CN109115442A - Micro-vibration analog platform and micro-vibration simulation system - Google Patents
Micro-vibration analog platform and micro-vibration simulation system Download PDFInfo
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- CN109115442A CN109115442A CN201811119174.4A CN201811119174A CN109115442A CN 109115442 A CN109115442 A CN 109115442A CN 201811119174 A CN201811119174 A CN 201811119174A CN 109115442 A CN109115442 A CN 109115442A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/06—Multidirectional test stands
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/022—Vibration control arrangements, e.g. for generating random vibrations
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Abstract
本发明实施例公开了一种微振动模拟平台，包括：基础工装，所述基础工装包括相互平行的第一表面和第二表面，以及连接第一表面和第二表面的侧面，其中，第一表面用于固定卫星模拟件，其中心为三维坐标系的原点，该三维坐标系包括位于第一表面内的X轴、Y轴和垂直于第一表面的Z轴；多个单轴电磁激励器包括：固定于基础工装侧面的第一、第二和第三单轴电磁激励器以及固定于第二表面的第四、第五和第六单轴电磁激励器；所述第二表面的中心位于所述Z轴上，所述第一方向、所述第二方向和所述第三方向中至少两个方向不平行，且所述第三方向不经过所述Z轴，该微振动模拟平台能够提供六个自由度的激振力，可以模拟六个自由度的扰动信号。
An embodiment of the present invention discloses a micro-vibration simulation platform, comprising: a basic tool, the basic tool includes a first surface and a second surface that are parallel to each other, and a side surface connecting the first surface and the second surface, wherein the first surface and the second surface are connected. The surface is used to fix the satellite simulation piece, the center of which is the origin of the three-dimensional coordinate system, and the three-dimensional coordinate system includes the X axis, the Y axis and the Z axis perpendicular to the first surface located in the first surface; a plurality of single-axis electromagnetic actuators It includes: the first, second and third uniaxial electromagnetic exciters fixed on the side of the basic tooling and the fourth, fifth and sixth uniaxial electromagnetic exciters fixed on the second surface; the center of the second surface is located at On the Z axis, at least two of the first direction, the second direction and the third direction are not parallel, and the third direction does not pass through the Z axis, the micro-vibration simulation platform can The excitation force of six degrees of freedom is provided, and the disturbance signal of six degrees of freedom can be simulated.
Description
Technical field
The present invention relates to field of aerospace technology more particularly to a kind of micro-vibration analog platforms and a kind of micro-vibration to simulate
System.
Background technique
Space optical remote sensor has highly important business and military value, is always the focus technology of various countries' concern,
But the various disturbances on spacecraft can bring to the image quality of space optical remote sensor and seriously affect.Therefore, into
The observation performance of one step raising space optical remote sensor, it is necessary to it is suitable to satellite platform micro-vibration environment to carry out space optical remote sensor
Research work in terms of answering property.
In this regard, having carried out many trials in micro-vibration test field both at home and abroad, currently, existing micro-vibration structure can only be defeated
The disturbing source of three degree of freedom out, i.e., existing micro-vibration structure can only simulate tri- directions X, Y, Z translational degree of freedom this three
The disturbing signal of a freedom degree, so that existing space optical sensor needs further satellite platform micro-vibration environmental suitability
It improves.
Summary of the invention
In order to solve the above technical problems, being capable of providing six the embodiment of the invention provides a kind of micro-vibration analog platform
The exciting force of freedom degree, closer to true micro-vibration environment, is conducive to so as to simulate the disturbing signal of six-freedom degree
Space optical remote sensor is improved to the adaptability of satellite platform micro-vibration environment.
To solve the above problems, the embodiment of the invention provides following technical solutions:
A kind of micro-vibration analog platform, comprising:
Basic tooling, the basis tooling includes the first surface and second surface being parallel to each other, and connection described the
The side on one surface and the second surface, wherein the first surface is used for fixed satellite simulating piece, the first surface
Center is the origin of three-dimensional system of coordinate, the three-dimensional system of coordinate include X-axis in the first surface, Y-axis and perpendicular to
The Z axis of the first surface；
Multiple single shaft electromagnetic drivers, the multiple single shaft electromagnetic driver include: to be fixed on the basic tooling side
The first uniaxial electromagnetic driver, the second uniaxial electromagnetic driver and third single shaft electromagnetic driver and be fixed on described second
The uniaxial electromagnetic driver of the 4th of surface, the 5th uniaxial electromagnetic driver and the 6th uniaxial electromagnetic driver；
Wherein, the described first uniaxial electromagnetic driver does back and forth movement, the first direction and the Y-axis along first direction
Form the first angle；
Described second uniaxial electromagnetic driver does back and forth movement in a second direction, and the second direction is formed with the Y-axis
Second angle；
The third single shaft electromagnetic driver does back and forth movement along third direction, and the third direction is formed with the Y-axis
Third angle；
Described 4th uniaxial electromagnetic driver does back and forth movement along fourth direction, and the fourth direction is parallel to the Z axis；
Described 5th uniaxial electromagnetic driver does back and forth movement along the 5th direction, and the described 5th is oriented parallel to the Z axis；
Described 6th uniaxial electromagnetic driver does back and forth movement along the 6th direction, and the described 6th is oriented parallel to the Z axis；
Wherein, the center of the second surface is located on the Z axis, the first direction, the second direction and described
At least two directions are not parallel in third direction, and the third direction is without the Z axis.
Optionally, the first direction passes through the Z axis；The second direction passes through the Z axis.
Optionally, first angle is 0 °, and second angle is 90 °.
Optionally, the described 4th uniaxial electromagnetic driver, the 5th uniaxial electromagnetic driver and the 6th uniaxial electricity
Magnetic pumping device is equal to the distance between the center of the second surface.
Optionally, the described 4th uniaxial electromagnetic driver, the 5th uniaxial electromagnetic driver and the 6th uniaxial electricity
The center of the projection of any two single shaft electromagnetic driver on the first surface and the first surface in magnetic pumping device
Angle formed by line between center is 120 °.
Optionally, the first direction, second direction and the third direction are in the same plane, which is parallel to
The second surface.
Optionally, there is the first groove, the second groove and third groove, the described 4th uniaxial electromagnetism in the second surface
Driver is fixed in first groove, and the 5th uniaxial electromagnetic driver is fixed in second groove, and described the
Six uniaxial electromagnetic drivers are fixed in the third groove.
Optionally, first groove, second groove and the third groove are circular groove.
Optionally, also there are multiple 4th grooves in the second surface.
A kind of micro-vibration simulation system, including micro-vibration analog platform described in any of the above embodiments and control device,
The control device is used to be based on target output signal, generates control signal, output is to the multiple uniaxial electromagnetism
Driver controls the multiple uniaxial electromagnetic driver and carries out back and forth movement.
Compared with prior art, above-mentioned technical proposal has the advantage that
Micro-vibration analog platform provided by the embodiment of the present invention, the first single shaft including doing back and forth movement along first direction
Electromagnetic driver does the second uniaxial electromagnetic driver of back and forth movement in a second direction and does the of back and forth movement along third direction
Three uniaxial electromagnetic drivers, wherein at least two directions are not in the first direction, the second direction and the third direction
In parallel, and the third direction is without the Z axis, so that the first uniaxial electromagnetic driver, the second uniaxial electromagnetic excitation
Device and third single shaft electromagnetic driver can provide the exciting force of five freedom degrees, the respectively exciting along the translational degree of freedom of Y-axis
Power, along the exciting force of the translational degree of freedom of X-axis, around the exciting force of the rotational freedom of X-axis, the rotational freedom around Y-axis swashs
Shake power, and the exciting force of rotational freedom about the z axis.The 4th uniaxial electromagnetic excitation again due to being fixed on the second surface
The back and forth movement direction of device, the 5th uniaxial electromagnetic driver and the 6th uniaxial electromagnetic driver is each parallel to the Z axis, to make
The 4th uniaxial electromagnetic driver, the 5th uniaxial electromagnetic driver and the 6th uniaxial electromagnetic excitation of the second surface must be fixed on
Device can also at least provide the exciting force of the translational degree of freedom along Z axis, and therefore, micro-vibration analog platform provided by the invention can
The exciting force of six-freedom degree is provided, so as to simulate the disturbing signal of six-freedom degree, closer to true micro-vibration ring
Border is conducive to improve space optical remote sensor to the adaptability of satellite platform micro-vibration environment.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of micro-vibration analog platform provided in an embodiment of the present invention；
Fig. 2 is the top view of micro-vibration analog platform shown in fig. 1；
Fig. 3 is a kind of cross-sectional view of voice coil motor provided in an embodiment of the present invention；
Fig. 4 is the signal of one kind provided in an embodiment of the present invention multiple uniaxial electromagnetic drivers and basic tooling relative position
Figure；
Fig. 5 is another multiple uniaxial electromagnetic driver provided in an embodiment of the present invention and basis tooling relative position shows
It is intended to；
Fig. 6 is another multiple uniaxial electromagnetic driver provided in an embodiment of the present invention and basis tooling relative position shows
It is intended to；
Fig. 7 is the multiple uniaxial electromagnetic drivers of another kind provided in an embodiment of the present invention and basis tooling relative position shows
It is intended to；
Fig. 8 is another multiple uniaxial electromagnetic driver provided in an embodiment of the present invention and basis tooling relative position shows
It is intended to；
Fig. 9 is the multiple uniaxial electromagnetic drivers of another kind provided in an embodiment of the present invention and basis tooling relative position shows
It is intended to；
Figure 10 is another multiple uniaxial electromagnetic driver provided in an embodiment of the present invention and basic tooling relative position
Schematic diagram；
Figure 11 is the multiple uniaxial electromagnetic drivers of another kind provided in an embodiment of the present invention and basic tooling relative position
Schematic diagram；
Figure 12 is another multiple uniaxial electromagnetic driver provided in an embodiment of the present invention and basic tooling relative position
Schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but the present invention can be with
Implemented using other than the one described here other way, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by the specific embodiments disclosed below.
Secondly, combination schematic diagram of the present invention is described in detail, when describing the embodiments of the present invention, for purposes of illustration only, table
Show that the sectional view of device architecture can disobey general proportion and make partial enlargement, and the schematic diagram is example, is not answered herein
Limit the scope of protection of the invention.In addition, the three-dimensional space of length, width and depth should be included in actual fabrication.
Just as described in the background section, since existing micro-vibration structure can only export the micro-vibration of three degree of freedom,
I.e. existing micro-vibration structure can only simulate the disturbing signal of three degree of freedom so that existing space optical sensor is flat to satellite
Platform micro-vibration environmental suitability needs to be further increased.
Inventor the study found that space micro-vibration generation when mainly being worked by equipment when space optical remote sensor works,
Typical vibration source includes solar array driving mechanism, attitude-adjusting system, cooling body, life support system of space station etc..This
A little vibrations have the characteristics that distribution bandwidth, vibration mode are various.These micro-vibrations equipment of less demanding to general precision is not
It will cause very big influence, but the focal length of the large space telescope in space optical remote sensor is big, resolution requirement is high, even if micro-
The picture point movement that small vibration also results in the rear end focal plane of space telescope is more than allowed band, causes image fuzzy, at
The decline of image quality amount.
In view of this, the embodiment of the invention provides a kind of micro-vibration analog platforms.Fig. 1 shows the embodiment of the present invention and mentions
A kind of structural schematic diagram of the micro-vibration analog platform supplied, Fig. 2 are the top view of micro-vibration analog platform shown in fig. 1, such as Fig. 1
With shown in Fig. 2, which includes:
Basic tooling 100, the basis tooling 100 include the first surface and second surface being parallel to each other, and connection
The side 101 of the first surface and the second surface, wherein the first surface is used for fixed satellite simulating piece, described
The center of first surface is the origin of three-dimensional system of coordinate, and the three-dimensional system of coordinate includes the X-axis being located in the first surface, Y
Axis and Z axis perpendicular to the first surface；
Multiple single shaft electromagnetic drivers, the multiple single shaft electromagnetic driver include: to be fixed on the basic tooling side
The first uniaxial electromagnetic driver 1, second uniaxial electromagnetic driver 2 and third single shaft electromagnetic driver 3 and be fixed on described
The uniaxial electromagnetic driver 5 of uniaxial electromagnetic driver the 4, the 5th of the 4th of second surface and the 6th uniaxial electromagnetic driver 6；
Wherein, the described first uniaxial electromagnetic driver 1 does back and forth movement along first direction A, the first direction A with it is described
Y-axis forms the first angle；B does back and forth movement to the second uniaxial electromagnetic driver 2 in a second direction, the second direction B with
The Y-axis forms the second angle；The third single shaft electromagnetic driver 3 does back and forth movement, the third direction along third direction C
C and the Y-axis form third angle；Described 4th uniaxial electromagnetic driver 4 does back and forth movement, the four directions along fourth direction
To being parallel to the Z axis；Described 5th uniaxial electromagnetic driver 5 does back and forth movement along the 5th direction, and the 5th direction is parallel
In the Z axis；Described 6th uniaxial electromagnetic driver 6 does back and forth movement along the 6th direction, and the described 6th is oriented parallel to the Z
Axis；Wherein, the center of the second surface is located on the Z axis, the first direction A, the second direction B and the third
At least two directions are not parallel in the C of direction, and the third direction C is without the Z axis.
It should be noted that in embodiments of the present invention, the double-head arrow in figure is the past of corresponding uniaxial electromagnetic driver
The direction of movement is returned, the space coordinate of each single shaft electromagnetic driver is different, and any two single shaft electromagnetic driver cannot be handed over
Folded setting.
Specifically, on the basis of the above embodiments, in one embodiment of the invention, the single shaft electromagnetic driver
The direction of motion for the motor for doing back and forth movement along center axis thereof, i.e., the described uniaxial electromagnetic driver is parallel to central shaft
Line, optionally, the single shaft electromagnetic driver can be voice coil motor.
As shown in figure 3, in one embodiment of the invention, the voice coil motor includes shell 7, and it is located in shell
Mover 8, stator 9, through stator and mover axis 10 and be separately positioned on the spring leaf 11 at 10 both ends of axis, further include being used for
Shell 7 is fixed on the basic second surface of tooling 100 or the pedestal 12 of side, the voice coil motor can be along axial direction
(i.e. the direction of axis extension) does back and forth movement, provides axial exciting force, wherein axial is that the uniaxial electromagnetic driver is done back and forth
Move the direction.Since the axis both ends in voice coil motor are mounted with spring leaf, so that voice coil motor is providing axially
When exciting force, the lateral stiffness of axis is can be improved in both ends spring leaf, and axis is prevented to be swung left and right, and improves the lateral fundamental frequency of axis, into
And improve the precision of the axial exciting force of voice coil motor output.
Micro-vibration analog platform provided by the embodiment of the present invention, the first list including doing back and forth movement along first direction A
Axis electromagnetic driver, B does the second uniaxial electromagnetic driver of back and forth movement and does back and forth movement along third direction C in a second direction
Third single shaft electromagnetic driver, wherein at least two in the first direction A, the second direction B and the third direction C
A direction is not parallel, and the third direction C is without the Z axis, so that the first uniaxial electromagnetic driver, second uniaxial
Electromagnetic driver and third single shaft electromagnetic driver can provide the exciting force of five freedom degrees, respectively edge in space coordinates
The exciting force of the translational degree of freedom of Y-axis, along the exciting force of the translational degree of freedom of X-axis, around the exciting force of the rotational freedom of X-axis,
The exciting force of rotational freedom around the exciting force of the rotational freedom of Y-axis, and about the z axis.Again due to being fixed on described second
The back and forth movement direction of the uniaxial electromagnetic driver of the 4th of surface, the 5th uniaxial electromagnetic driver and the 6th uniaxial electromagnetic driver
Each parallel to the Z axis, so that being fixed on the 4th uniaxial electromagnetic driver of the second surface, the 5th uniaxial electromagnetism swashs
The exciting force of the translational degree of freedom along Z axis can also at least be provided by encouraging device and the 6th uniaxial electromagnetic driver, and therefore, the present invention mentions
The micro-vibration analog platform of confession is capable of providing the exciting force of six-freedom degree, so as to simulate the disturbance letter of six-freedom degree
Number, closer to true micro-vibration environment, be conducive to improve adaptation of the space optical remote sensor to satellite platform micro-vibration environment
Property.
It should be noted that before paying close attention to satellite platform micro-vibration environment, it is external to carry out in micro-vibration test field
Many to attempt, China has carried out correlation test, not yet system comprehensively primarily directed to micro-vibration source or the transmitting of micro-vibration structure
Carry out micro-vibration test, just begins to focus on satellite platform micro-vibration environment until the 1980s is external, and carried out correlation
Research work, and think the maximum disturbing source of spacecraft be counteraction flyback disturbance and heat shake.Exist to carry out spacecraft
Rail micro-vibration environmental experiment obtains the fine motion force characteristic of in-orbit spacecraft structure, needs to simulate satellite micro-vibration environment,
And research both domestic and external focuses primarily upon theoretical modeling emulation, not yet forms unified micro-vibration methods of experiments.
Although the simulation of micro-vibration environment can use the true disturbance equipments such as gyro, counteraction flyback, it utilizes
This kind of mode simulates micro-vibration, and economic cost is high and can only simulate single disturbing source, and disturbs when the test of practical micro-vibration
Equipment has performance changes that are multiple, therefore can not effectively examining load under different vibration levels.And use electromagnetic type or mechanical sharp
Device simulation micro-vibration environment is encouraged, just can be well solved these problems, but it is only capable of providing the disturbance of three degree of freedom both at home and abroad
Source.
Specifically, the structure for being capable of providing the disturbing source of three degree of freedom at present is orthogonal formula structure, three uniaxial electricity
Magnetic pumping device is respectively along the X-axis of three-dimensional system of coordinate, Y-axis, Z axis setting, and three uniaxial electromagnetic drivers are respectively along three-dimensional coordinate
The X-axis of system, Y-axis, Z axis do back and forth movement.The orthogonal formula structure provided at present is merely able to provide the translational degree of freedom along X-axis
The exciting force of exciting force, the exciting force along the translational degree of freedom of Y-axis and the translational degree of freedom along Z axis, and orthogonal formula structure compares
Loosely, fundamental frequency is lower.And multiple uniaxial electromagnetic drivers provided in the present invention may include at least six single shaft electromagnetic excitation
Device is illustrated by taking 6 uniaxial electromagnetic drivers as an example, wherein three uniaxial electromagnetic drivers are fixed on the side of basic tooling
Face, three uniaxial electromagnetic drivers are fixed on the second surface of basic tooling, so that the micro-vibration analog platform can not only mention
For the exciting force of six-freedom degree, and it is compact-sized, and fundamental frequency is higher, so that the exciting of micro-vibration analog platform output
The precision that power simulates the disturbing signal of true environment is high.
Optionally, the value range of the first angle is 0-90 degree, including endpoint value；The value range of second angle is 0-90
Degree, including endpoint value；The value range of third angle is 0-90 degree, including endpoint value.
Since first direction A and second direction B can pass through Z axis, all Z axis can also be passed through without Z axis or one,
One, without Z axis, is specifically described below with reference to multiple uniaxial electromagnetic drivers and the relative position of basic tooling:
Based on any of the above embodiments, in one embodiment of the invention, as shown in figure 4, with described first
Direction A is without the Z axis, and the second direction B is without the Z axis, and the third direction C is without the Z axis, and
One angle is 0 degree, and the second angle is 90 degree, for third angle is 90 degree, in embodiments of the present invention, due to the first uniaxial electricity
The first direction A of magnetic pumping device is without the Z axis, and the first angle that the first direction A and the Y-axis are formed is 0 degree,
So that the described first uniaxial electromagnetic driver is capable of providing the exciting of three degree of freedom when doing back and forth movement along first direction A
Power, the respectively exciting force along the translational degree of freedom of Y-axis, around the rotational freedom of X-axis exciting force and rotation about the z axis from
By the exciting force spent；And the second direction B of the second uniaxial electromagnetic driver is without the Z axis, and the second direction B and institute
The second angle for stating Y-axis formation is 90 degree, so that the second uniaxial electromagnetic driver energy when B does back and forth movement in a second direction
Enough provide the exciting force of three degree of freedom, the respectively exciting force along the translational degree of freedom of X-axis, around the rotational freedom of Y-axis
Exciting force, and the exciting force of rotational freedom about the z axis；The third direction C of the third single shaft electromagnetic driver is without Z
Axis, and the third angle that the third direction C and the Y-axis are formed is 90 degree, so that the third single shaft electromagnetic excitation
Device is capable of providing the exciting force of three degree of freedom when doing back and forth movement along third direction C, respectively along the translational degree of freedom of X-axis
Exciting force, around the exciting force of the rotational freedom of Y-axis and the exciting force of rotational freedom about the z axis.From the foregoing, it will be observed that being fixed on
First uniaxial electromagnetic driver of the basis tooling side, the second uniaxial electromagnetic driver and third single shaft electromagnetic driver are total
It is capable of providing the exciting force of the translational degree of freedom along Y-axis altogether, along the exciting force of the translational degree of freedom of X-axis, around the rotatably mounted of X-axis
The exciting force of degree, the exciting force of the rotational freedom around the exciting force of the rotational freedom of Y-axis, and about the z axis, this five freedom
The exciting force of degree.The 4th uniaxial electromagnetic driver, the 5th uniaxial electromagnetic driver again due to being fixed on the second surface and
The back and forth movement direction of 6th uniaxial electromagnetic driver is each parallel to the Z axis, so that being fixed on the second surface
4th uniaxial electromagnetic driver, the 5th uniaxial electromagnetic driver and the 6th uniaxial electromagnetic driver are at least capable of providing along Z axis
The exciting force of translational degree of freedom, therefore, micro-vibration analog platform provided by the invention are capable of providing the exciting force of six-freedom degree,
So as to simulate the disturbing signal of six-freedom degree, closer to true micro-vibration environment, it is distant to be conducive to raising space optics
Sensor improves the observation performance of space optical remote sensor to satellite platform micro-vibration environmental suitability.
On the basis of the above embodiments, in one embodiment of the invention, as shown in figure 5, with the first direction A
Without the Z axis, the second direction B is without the Z axis, and the third direction C is without the Z axis, and first presss from both sides
Angle be 0 degree, the second angle is 90 degree, for third angle is 30 degree, due to first single shaft electromagnetic driver first direction A not
By the Z axis, and the first angle that the first direction A and the Y-axis are formed is 0 degree, so that described first is uniaxial
Electromagnetic driver is capable of providing the exciting force of three degree of freedom when doing back and forth movement along first direction A, respectively along the translation of Y-axis
The exciting force of freedom degree, around the exciting force of the rotational freedom of X-axis and the exciting force of rotational freedom about the z axis；And second
The second direction B of uniaxial electromagnetic driver is without the Z axis, and the second angle that the second direction B and the Y-axis are formed
It is 90 degree, so that the second uniaxial electromagnetic driver is capable of providing three degree of freedom when B does back and forth movement in a second direction
Exciting force, the respectively exciting force along the translational degree of freedom of X-axis, around the exciting force of the rotational freedom of Y-axis, and about the z axis
The exciting force of rotational freedom；The third direction C of the third single shaft electromagnetic driver is without Z axis, and the third direction C
The third angle formed with the Y-axis is 60 degree, so that the third single shaft electromagnetic driver is done back and forth along third direction C
The exciting force of five freedom degrees, the respectively exciting force along the translational degree of freedom of X-axis are capable of providing when movement, along the translation of Y-axis
The exciting force of freedom degree, around the exciting force of the rotational freedom of X-axis, around the exciting force and about the z axis of the rotational freedom of Y-axis
The exciting force of rotational freedom.From the foregoing, it will be observed that being fixed on the first uniaxial electromagnetic driver, the second list of the basic tooling side
Axis electromagnetic driver and third single shaft electromagnetic driver are capable of providing the exciting force of the translational degree of freedom along Y-axis in total, along X-axis
The exciting force of translational degree of freedom, around the exciting force of the rotational freedom of X-axis, around the exciting force of the rotational freedom of Y-axis, and around
The exciting force of the rotational freedom of Z axis, the exciting force of this five freedom degrees.The 4th again due to being fixed on the second surface is single
The back and forth movement direction of axis electromagnetic driver, the 5th uniaxial electromagnetic driver and the 6th uniaxial electromagnetic driver is each parallel to described
Z axis, so that it is single to be fixed on the 4th uniaxial electromagnetic driver of the second surface, the 5th uniaxial electromagnetic driver and the 6th
Axis electromagnetic driver can also at least provide the exciting force of the translational degree of freedom along Z axis, therefore, micro-vibration mould provided by the invention
Quasi- platform is capable of providing the exciting force of six-freedom degree, so as to simulate the disturbing signal of six-freedom degree, closer to really
Micro-vibration environment, be conducive to improve space optical remote sensor to satellite platform micro-vibration environmental suitability, and then improve space
The observation performance of optical sensor.
On the basis of the above embodiments, in one embodiment of the invention, as shown in fig. 6, with the first direction A
By the Z axis, the second direction B is without the Z axis, and the third direction C is without the Z axis, and the first angle
It is 0 degree, the second angle is 90 degree, for third angle is 0 degree, since the first direction A of the first uniaxial electromagnetic driver passes through
The Z axis, and the first angle that the first direction A and the Y-axis are formed is 0 degree, so that the described first uniaxial electromagnetism
Driver is capable of providing the exciting force of two freedom degrees, the respectively freedom along Y-axis translation when doing back and forth movement along first direction A
The exciting force of degree, and the exciting force of freedom degree turned about the X axis, and the second direction B of the second uniaxial electromagnetic driver without
The Z axis is crossed, and the second angle that the second direction B and the Y-axis are formed is 90 degree, so that the second uniaxial electromagnetism swashs
Device is capable of providing three degree of freedom exciting force when B does back and forth movement in a second direction is encouraged, respectively along the translational degree of freedom of X-axis
Exciting force, around the exciting force of the rotational freedom of Y-axis and the exciting force of rotational freedom about the z axis；The third is uniaxial
The third direction C of electromagnetic driver is without Z axis, and the third angle that the third direction C and the Y-axis are formed is 0 degree, from
And the third single shaft electromagnetic driver is made to be capable of providing the exciting of three degree of freedom when doing back and forth movement along third direction C
Power, the respectively exciting force along the translational degree of freedom of Y-axis, around the rotational freedom of X-axis exciting force and rotation about the z axis from
By the exciting force spent.From the foregoing, it will be observed that being fixed on the first uniaxial electromagnetic driver of the basic tooling side, the second uniaxial electromagnetism
Driver and third single shaft electromagnetic driver are capable of providing the exciting force of the translational degree of freedom along Y-axis in total, along X-axis translation from
By the exciting force spent, around the exciting force of the rotational freedom of X-axis, around the exciting force of the rotational freedom of Y-axis, and about the z axis
The exciting force of rotational freedom, the exciting force of this five freedom degrees.The 4th uniaxial electricity again due to being fixed on the second surface
The back and forth movement direction of magnetic pumping device, the 5th uniaxial electromagnetic driver and the 6th uniaxial electromagnetic driver each parallel to the Z axis,
So that being fixed on the 4th uniaxial electromagnetic driver of the second surface, the 5th uniaxial electromagnetic driver and the 6th uniaxial electricity
Magnetic pumping device can also at least provide the exciting force of the translational degree of freedom along Z axis, and therefore, micro-vibration simulation provided by the invention is flat
Platform is capable of providing the exciting force of six-freedom degree, closer true micro- so as to simulate the disturbing signal of six-freedom degree
Vibration environment is conducive to improve space optical remote sensor to satellite platform micro-vibration environmental suitability, and then improves space optics
The observation performance of remote sensor.
In another embodiment that this is invented in fact, as shown in fig. 7, the Z axis is passed through with the first direction A, it is described
Second direction B is without the Z axis, and the third direction C is without the Z axis, and the first angle is 90 degree, and the second angle is
90 degree, for third angle is 0 degree, since the first direction A of the first uniaxial electromagnetic driver passes through the Z axis, and described the
The first angle that one direction A and the Y-axis are formed is 90 degree, so that the described first uniaxial electromagnetic driver is along first direction
A is capable of providing the exciting force of two freedom degrees, the respectively exciting force along the freedom degree of X-axis translation when doing back and forth movement, and
Around the exciting force of the freedom degree of Y-axis rotation, and the second direction B of the second uniaxial electromagnetic driver is without the Z axis, and described
The second angle that second direction B and the Y-axis are formed is 90 degree, so that the second uniaxial electromagnetic driver B in a second direction
The exciting force of three degree of freedom, the respectively exciting force along the translational degree of freedom of X-axis are capable of providing when doing back and forth movement, around Y-axis
Rotational freedom exciting force, and the exciting force of rotational freedom about the z axis；The of the third single shaft electromagnetic driver
Three direction C are without Z axis, and the third angle that the third direction C and the Y-axis are formed is 0 degree, so that the third
Uniaxial electromagnetic driver is capable of providing the exciting force of three degree of freedom when doing back and forth movement along third direction C, respectively along Y-axis
The exciting force of translational degree of freedom, around the exciting force of the rotational freedom of X-axis and the exciting force of rotational freedom about the z axis.By
Above it is found that being fixed on the first uniaxial electromagnetic driver of the basic tooling side, the second uniaxial electromagnetic driver and third list
Axis electromagnetic driver is capable of providing the exciting force of the translational degree of freedom along X-axis in total, along the exciting force of the translational degree of freedom of X-axis,
Around the exciting force of the rotational freedom of X-axis, rotational freedom around the exciting force of the rotational freedom of Y-axis, and about the z axis swashs
Vibration power, the exciting force of this five freedom degrees.The 4th uniaxial electromagnetic driver, the 5th list again due to being fixed on the second surface
The back and forth movement direction of axis electromagnetic driver and the 6th uniaxial electromagnetic driver is each parallel to the Z axis, so that being fixed on
The uniaxial electromagnetic driver of the 4th of the second surface, the 5th uniaxial electromagnetic driver and the 6th uniaxial electromagnetic driver are at least also
It is capable of providing the exciting force of the translational degree of freedom along Z axis, therefore, micro-vibration analog platform provided by the invention is capable of providing six
The exciting force of freedom degree, closer to true micro-vibration environment, is conducive to so as to simulate the disturbing signal of six-freedom degree
Space optical remote sensor is improved to satellite platform micro-vibration environmental suitability, and then improves the observation of space optical remote sensor
Energy.
In another embodiment that this is invented in fact, as shown in figure 8, the Z axis is passed through with the first direction A, it is described
Second direction B is without the Z axis, and the third direction C is without the Z axis, and the first angle is 0 degree, and the second angle is 0
Degree, for third angle is 60 degree, since the first direction A of the first uniaxial electromagnetic driver passes through the Z axis, and described first
The first angle that direction A and the Y-axis are formed is 0 degree, so that the described first uniaxial electromagnetic driver is done along first direction A
It is capable of providing the exciting force of two freedom degrees when back and forth movement, respectively the exciting force along the freedom degree of Y-axis translation, and around
The exciting force of the freedom degree of X-axis rotation, and the second direction B of the second uniaxial electromagnetic driver is without the Z axis, and described the
The second angle that two direction B and the Y-axis are formed is 0 degree so that the second uniaxial electromagnetic driver in a second direction B do it is past
The exciting force that three degree of freedom is capable of providing when movement, the respectively exciting force along the translational degree of freedom of Y-axis are returned, around turning for X-axis
The exciting force of dynamic freedom degree, and the exciting force of rotational freedom about the z axis；The third party of the third single shaft electromagnetic driver
To C without Z axis, and the third angle that the third direction C and the Y-axis are formed is 60 degree, so that the third list
Axis electromagnetic driver is capable of providing the exciting force of five freedom degrees when doing back and forth movement along third direction C, respectively along the flat of X-axis
The exciting force of dynamic freedom degree, along the exciting force of the translational degree of freedom of Y-axis, around the exciting force of the rotational freedom of X-axis, around Y-axis
The exciting force of the exciting force of rotational freedom and rotational freedom about the z axis.From the foregoing, it will be observed that being fixed on the basic tooling side
The uniaxial electromagnetic driver of the first of face, the second uniaxial electromagnetic driver and third single shaft electromagnetic driver are capable of providing in total along Y
The exciting force of the translational degree of freedom of axis, along the exciting force of the translational degree of freedom of X-axis, around the exciting force of the rotational freedom of X-axis, around
The exciting force of the rotational freedom of Y-axis, and the exciting force of rotational freedom about the z axis, the exciting force of this five freedom degrees.Again
The 4th uniaxial electromagnetic driver, the 5th uniaxial electromagnetic driver and the 6th uniaxial electromagnetism due to being fixed on the second surface swash
The back and forth movement direction of device is encouraged each parallel to the Z axis, so that the 4th uniaxial electromagnetism for being fixed on the second surface swashs
Translational degree of freedom along Z axis can also at least be provided by encouraging device, the 5th uniaxial electromagnetic driver and the 6th uniaxial electromagnetic driver
Exciting force, therefore, micro-vibration analog platform provided by the invention are capable of providing the exciting force of six-freedom degree, so as to simulate
It is flat to satellite to be conducive to raising space optical remote sensor closer to true micro-vibration environment for the disturbing signal of six-freedom degree
Platform micro-vibration environmental suitability, and then improve the observation performance of space optical remote sensor.
On the basis of the above embodiments, in one embodiment that this is invented in fact, as shown in figure 9, with the first party
Pass through the Z axis to A, the second direction B is without the Z axis, and the third direction C is without the Z axis, and first presss from both sides
Angle is 30 degree, and the second angle is 0 degree, for third angle is 90 degree, due to the first direction A warp of the first uniaxial electromagnetic driver
The Z axis is crossed, and the first angle that the first direction A and the Y-axis are formed is 30 degree, so that the described first uniaxial electricity
Magnetic pumping device is capable of providing the exciting force of four freedom degrees when doing back and forth movement along first direction A, respectively along X-axis translation
The exciting force of freedom degree, the exciting force of the freedom degree turned about the X axis, the exciting force of the freedom degree of Y-axis translation, and turn around Y-axis
The exciting force of dynamic freedom degree, and the second direction B of the second uniaxial electromagnetic driver is without the Z axis, and the second party
The second angle formed to B and the Y-axis is 0 degree, so that B does round-trip fortune to the second uniaxial electromagnetic driver in a second direction
The exciting force of three degree of freedom, the respectively exciting force along the translational degree of freedom of Y-axis are capable of providing when dynamic, around X-axis rotation from
The exciting force of rotational freedom by the exciting force spent, and about the z axis；The third direction C of the third single shaft electromagnetic driver
Without Z axis, and the third angle that the third direction C and the Y-axis are formed is 90 degree, so that the uniaxial electricity of the third
Magnetic pumping device is capable of providing the exciting force of three degree of freedom when doing back and forth movement along third direction C, respectively certainly along the translation of X-axis
By the exciting force spent, around the exciting force of the rotational freedom of Y-axis and the exciting force of rotational freedom about the z axis.From the foregoing, it will be observed that
The the first uniaxial electromagnetic driver, the second uniaxial electromagnetic driver and third single shaft electromagnetism for being fixed on the basic tooling side swash
The exciting force for encouraging the translational degree of freedom that device is capable of providing in total along Y-axis, along the exciting force of the translational degree of freedom of X-axis, around turning for X-axis
The exciting force of dynamic freedom degree, the exciting force of the rotational freedom around the exciting force of the rotational freedom of Y-axis, and about the z axis, this five
The exciting force of a freedom degree.The 4th uniaxial electromagnetic driver, the 5th uniaxial electromagnetism again due to being fixed on the second surface swash
The back and forth movement direction of device and the 6th uniaxial electromagnetic driver is encouraged each parallel to the Z axis, so that being fixed on described second
The uniaxial electromagnetic driver of the 4th of surface, the 5th uniaxial electromagnetic driver and the 6th uniaxial electromagnetic driver can also at least provide
Along the exciting force of the translational degree of freedom of Z axis, therefore, micro-vibration analog platform provided by the invention is capable of providing six-freedom degree
Exciting force, closer to true micro-vibration environment, is conducive to improve space so as to simulate the disturbing signal of six-freedom degree
Optical sensor improves the observation performance of space optical remote sensor to satellite platform micro-vibration environmental suitability.
In invention other embodiments, as long as the first direction A passes through the Z axis, and the first angle is not 0 degree or 90
When spending, the described first uniaxial electromagnetic driver can provide the exciting force of four freedom degrees, the respectively freedom degree along X-axis translation
Exciting force, the exciting force of the freedom degree turned about the X axis, Y-axis translation freedom degree exciting force, and around Y-axis rotation from
By the exciting force spent, moreover, because the third direction C of the third single shaft electromagnetic driver is without the Z axis, so that
The third single shaft electromagnetic driver is capable of providing the exciting force for the freedom degree that one turns about the Z axis.In addition, being fixed on described
The uniaxial electromagnetic driver of the 4th of two surfaces, the 5th uniaxial electromagnetic driver and the 6th uniaxial electromagnetic driver are at least capable of providing
The exciting force of one freedom degree along Z axis translation, then the second direction B of the described second uniaxial electromagnetic driver can pass through institute
Z axis is stated, it can also be without the Z axis, as long as the uniaxial electromagnetic driver of discord described first and third single shaft electromagnetic driver
Setting position have an impact, and keep the weight balancing of entire micro-vibration analog platform.The present invention and without limitation, tool
Body depends on the circumstances.
On the basis of the above embodiments, in one embodiment that this is invented in fact, as shown in Figure 10, with the first party
Pass through the Z axis to A, the second direction B passes through the Z axis, and the third direction C is without the Z axis, and the first angle
It is 0 degree, the second angle is 90 degree, for third angle is 90 degree, since the first direction A of the first uniaxial electromagnetic driver passes through
The Z axis, and the first angle that the first direction A and the Y-axis are formed is 0 degree, so that the described first uniaxial electromagnetism
Driver is capable of providing the exciting force of two freedom degrees when doing back and forth movement along first direction A, respectively along Y-axis translation from
By the exciting force spent, and the exciting force of freedom degree turned about the X axis, and the second direction B warp of the second uniaxial electromagnetic driver
The Z axis is crossed, and the second angle that the second direction B and the Y-axis are formed is 90 degree, so that the second uniaxial electromagnetism swashs
Device is capable of providing two freedom degrees exciting force when B does back and forth movement in a second direction is encouraged, respectively along the translational degree of freedom of X-axis
Exciting force and the rotational freedom around Y-axis exciting force；The third direction C of the third single shaft electromagnetic driver without
Z axis, and the third angle that the third direction C and the Y-axis are formed is 90 degree, so that the third single shaft electromagnetic excitation
Device is capable of providing the exciting force of three degree of freedom when doing back and forth movement along third direction C, respectively along the translational degree of freedom of X-axis
Exciting force, around the exciting force of the rotational freedom of Y-axis and the exciting force of rotational freedom about the z axis.From the foregoing, it will be observed that being fixed on
First uniaxial electromagnetic driver of the basis tooling side, the second uniaxial electromagnetic driver and third single shaft electromagnetic driver are total
It is capable of providing the exciting force of the translational degree of freedom along Y-axis altogether, along the exciting force of the translational degree of freedom of X-axis, around the rotatably mounted of X-axis
The exciting force of degree, the exciting force of the rotational freedom around the exciting force of the rotational freedom of Y-axis, and about the z axis, this five freedom
The exciting force of degree.The 4th uniaxial electromagnetic driver, the 5th uniaxial electromagnetic driver again due to being fixed on the second surface and
The back and forth movement direction of 6th uniaxial electromagnetic driver is each parallel to the Z axis, so that being fixed on the second surface
4th uniaxial electromagnetic driver, the 5th uniaxial electromagnetic driver and the 6th uniaxial electromagnetic driver can also at least be provided along Z axis
Translational degree of freedom exciting force, therefore, micro-vibration analog platform provided by the invention is capable of providing the exciting of six-freedom degree
Power, closer to true micro-vibration environment, is conducive to improve space optics so as to simulate the disturbing signal of six-freedom degree
Remote sensor improves the observation performance of space optical remote sensor to satellite platform micro-vibration environmental suitability.
On the basis of the above embodiments, in one embodiment that this is invented in fact, as shown in figure 11, with the first party
Pass through the Z axis to A, the second direction B passes through the Z axis, and the third direction C is without the Z axis, and the first angle
It is 0 degree, the second angle is 90 degree, for third angle is 60 degree, since the first direction A of the first uniaxial electromagnetic driver passes through
The Z axis, and the first angle that the first direction A and the Y-axis are formed is 0 degree, so that the described first uniaxial electromagnetism
Driver is capable of providing the exciting force of two freedom degrees when doing back and forth movement along first direction A, respectively along Y-axis translation from
By the exciting force spent, and the exciting force of freedom degree turned about the X axis, and the second direction B warp of the second uniaxial electromagnetic driver
The Z axis is crossed, and the second angle that the second direction B and the Y-axis are formed is 90 degree, so that the second uniaxial electromagnetism swashs
Device is capable of providing two freedom degrees exciting force when B does back and forth movement in a second direction is encouraged, respectively along the translational degree of freedom of X-axis
Exciting force and the rotational freedom around Y-axis exciting force；The third direction C of the third single shaft electromagnetic driver without
Z axis, and the third angle that the third direction C and the Y-axis are formed is 60 degree, so that the third single shaft electromagnetic excitation
Device is capable of providing the exciting force of five freedom degrees when doing back and forth movement along third direction C, respectively along the translational degree of freedom of X-axis
Exciting force, along the exciting force of the translational degree of freedom of Y-axis, around the exciting force of the rotational freedom of X-axis, around the rotational freedom of Y-axis
Exciting force and rotational freedom about the z axis exciting force.From the foregoing, it will be observed that be fixed on the basic tooling side first is single
Axis electromagnetic driver, the second uniaxial electromagnetic driver and third single shaft electromagnetic driver be capable of providing in total the translation along Y-axis from
By the exciting force spent, along the exciting force of the translational degree of freedom of X-axis, around the exciting force of the rotational freedom of X-axis, around the rotation of Y-axis
The exciting force of freedom degree, and the exciting force of rotational freedom about the z axis, the exciting force of this five freedom degrees.Again due to fixation
In the past of the 4th uniaxial electromagnetic driver of the second surface, the 5th uniaxial electromagnetic driver and the 6th uniaxial electromagnetic driver
The direction of motion is returned each parallel to the Z axis, so that being fixed on the 4th uniaxial electromagnetic driver, the 5th of the second surface
Uniaxial electromagnetic driver and the 6th uniaxial electromagnetic driver can also at least provide the exciting force of the translational degree of freedom along Z axis, because
This, micro-vibration analog platform provided by the invention is capable of providing the exciting force of six-freedom degree, so as to simulate six freedom
The disturbing signal of degree is conducive to improve space optical remote sensor to satellite platform micro-vibration closer to true micro-vibration environment
Environmental suitability, and then improve the observation performance of space optical remote sensor.
On the basis of the above embodiments, first direction A described in the present embodiment, second direction B and the third direction C
It is in the same plane, which is parallel to the second surface, moreover, because the first direction A and the Y-axis form the
One 0 degree of angle, the second direction B and the Y-axis form 90 degree of the second angle, the third direction C and Y-axis formation the
Three 60 degree of angles, so that the described first uniaxial electromagnetic driver is parallel to Y-axis, the second uniaxial electromagnetic driver is parallel to X
The third angle that axis and the third single shaft electromagnetic driver and Y-axis are formed is 60 degree, that is to say, that above-mentioned single shaft electromagnetic excitation
Device is in specific position, so that the described first uniaxial electromagnetic driver, the second uniaxial electromagnetic driver and third are uniaxial
Distribution of the electromagnetic driver in the basic tooling is simple, and then in the axial excitation for obtaining each uniaxial electromagnetic driver output
When power, calculation amount is smaller.
On the basis of the above embodiments, in one embodiment that this is invented in fact, as shown in figure 12, with the first party
Pass through the Z axis to A, the second direction B passes through the Z axis, and the third direction C is without the Z axis, and the first angle
It is 30 degree, the second angle is 90 degree, for third angle is 90 degree, due to the first direction A warp of the first uniaxial electromagnetic driver
The Z axis is crossed, and the first angle that the first direction A and the Y-axis are formed is 30 degree, so that the described first uniaxial electricity
Magnetic pumping device is capable of providing the exciting force of four freedom degrees when doing back and forth movement along first direction A, respectively along X-axis translation from
By the exciting force spent, the exciting force of the freedom degree turned about the X axis, the exciting force of the freedom degree of Y-axis translation, and rotated around Y-axis
Freedom degree exciting force, and the second direction B of the second uniaxial electromagnetic driver passes through the Z axis, and the second direction B with
The second angle that the Y-axis is formed is 90 degree, so that the second uniaxial electromagnetic driver is when B does back and forth movement in a second direction
It is capable of providing the exciting force of two freedom degrees, respectively along the exciting force of the translational degree of freedom of X-axis and around the rotatably mounted of Y-axis
The exciting force of degree；The third direction C of the third single shaft electromagnetic driver is without Z axis, and the third direction C and Y
The third angle that axis is formed is 90 degree, so that when the third single shaft electromagnetic driver does back and forth movement along third direction C
It is capable of providing the exciting force of three degree of freedom, the respectively exciting force along the translational degree of freedom of X-axis, around the rotational freedom of Y-axis
Exciting force and rotational freedom about the z axis exciting force.From the foregoing, it will be observed that be fixed on the basic tooling side first is single
Axis electromagnetic driver, the second uniaxial electromagnetic driver and third single shaft electromagnetic driver be capable of providing in total the translation along Y-axis from
By the exciting force spent, along the exciting force of the translational degree of freedom of X-axis, around the exciting force of the rotational freedom of X-axis, around the rotation of Y-axis
The exciting force of freedom degree, and the exciting force of rotational freedom about the z axis, the exciting force of this five freedom degrees.Again due to fixation
In the past of the 4th uniaxial electromagnetic driver of the second surface, the 5th uniaxial electromagnetic driver and the 6th uniaxial electromagnetic driver
The direction of motion is returned each parallel to the Z axis, so that being fixed on the 4th uniaxial electromagnetic driver, the 5th of the second surface
Uniaxial electromagnetic driver and the 6th uniaxial electromagnetic driver can also at least provide the exciting force of the translational degree of freedom along Z axis, because
This, micro-vibration analog platform provided by the invention is capable of providing the exciting force of six-freedom degree, so as to simulate six freedom
The disturbing signal of degree is conducive to improve space optical remote sensor to satellite platform micro-vibration closer to true micro-vibration environment
Environmental suitability, and then improve the observation performance of space optical remote sensor.
In invention other embodiments, as long as the first direction A passes through the Z axis, and the first angle is not 0 degree or 90
When spending, the described first uniaxial electromagnetic driver, which does back and forth movement along first direction A, can provide the exciting force of four freedom degrees, point
The exciting force for the freedom degree that Wei not be translatable along X-axis, the exciting force of the freedom degree turned about the X axis, the exciting of the freedom degree of Y-axis translation
Power, and the exciting force of the freedom degree around Y-axis rotation, moreover, because the third direction C of the third single shaft electromagnetic driver is not
By the Z axis, therefore, when taking what value regardless of the third angle of the third single shaft electromagnetic driver, the third is uniaxial electric
Magnetic pumping device does the exciting force that back and forth movement is capable of providing the freedom degree that one turns about the Z axis along third direction C.In addition, solid
Due to the second surface the 4th uniaxial electromagnetic driver, the 5th uniaxial electromagnetic driver and the 6th uniaxial electromagnetic driver extremely
It is capable of providing the exciting force of a freedom degree along Z axis translation less, then the second angle of the described second uniaxial electromagnetic driver
Any value of 0-90 degree can be taken.The present invention and without limitation, specifically depends on the circumstances.
Optionally, the described 4th uniaxial electromagnetic driver, the 5th uniaxial electromagnetic driver and the 6th uniaxial electricity
Magnetic pumping device is equal to the distance between the center of the second surface.It should be noted that the described 4th uniaxial electromagnetic excitation
Device, the 5th uniaxial electromagnetic driver, single shaft electromagnetic driver described in any two in the 6th uniaxial electromagnetic driver
It is equal at the center of first surface projection to distance a of the second surface between the center that the first surface projects.Moreover,
It is fixed on the 4th uniaxial electromagnetic driver, the 5th uniaxial electromagnetic driver and the 6th uniaxial electromagnetic driver of the second surface
It is bigger in the distance between the center that the first surface projects of projection and second surface of first surface, when single the 4th
In the case that the exciting force of axis electromagnetic driver, the 5th uniaxial electromagnetic driver and the 6th uniaxial electromagnetic driver output is constant,
Such structure can make the 4th uniaxial electromagnetic driver, the 5th uniaxial electromagnetic driver and the 6th single shaft of micro-vibration analog platform
Electromagnetic driver output torque is larger, and control precision is higher.
On the basis of the above embodiments, in one embodiment that this is invented in fact, the described 4th uniaxial electromagnetic driver,
Any two single shaft electromagnetic driver is described in described 5th uniaxial electromagnetic driver and the 6th uniaxial electromagnetic driver
Angle formed by line between the center of projection on first surface and the center of the first surface is 120 degree, to make
The described 4th uniaxial electromagnetic driver, the 5th uniaxial electromagnetic driver and the 6th uniaxial electromagnetic driver is obtained uniformly to divide
Cloth is in second surface.
On the basis of the above embodiments, in one embodiment that this is invented in fact, referring to shown in figure 1 above, described second
There is the first groove, the second groove and third groove, it is recessed that the described 4th uniaxial electromagnetic driver 4 is fixed on described first in surface
In slot, the described 5th uniaxial electromagnetic driver 5 is fixed in second groove, and the described 6th uniaxial electromagnetic driver 6 is fixed
In in the third groove, due to the described 4th uniaxial electromagnetic driver, the 5th uniaxial electromagnetic driver and the described 6th
Uniaxial electromagnetic driver is correspondingly arranged in the first groove in second surface, the second groove and third groove, so that institute
It is compact-sized to state micro-vibration analog platform, saves space, and since the first groove, the second groove and third groove are arranged on basis
In tooling, to alleviate the weight of basic tooling, and then basic tooling is reduced to the damage of each uniaxial electromagnetic driver power output
Consumption, so that above-mentioned single shaft electromagnetic driver is larger by being delivered in the exciting force exported at basic tooling installation interface.
It should be noted that first groove, second groove and the third groove are in the first surface
Projection of shape can for circle, rectangular, the arbitrary shapes such as hexagon or triangle.Optionally, first groove, described
Two grooves and the third groove are circular groove, and since the exterior contour of the uniaxial electromagnetic driver sets for arc
It sets, so that circular groove preferably fixes the uniaxial electromagnetic driver, so that the micro-vibration analog platform is more stable.
On the basis of the above embodiments, described with continued reference to shown in figure 1 above in one embodiment that this is invented in fact
Also there are multiple 4th grooves in second surface, for mitigating the weight of the basic tooling, be further reduced basic tooling certainly
The loss of body energy is so that the exciting force that is exported of single shaft electromagnetic driver is larger.
Correspondingly, the simulation system includes: micro-vibration analog platform the present invention also provides a kind of micro-vibration simulation system
And control device, the micro-vibration analog platform are micro-vibration analog platform provided by any of the above-described embodiment；The control
Device processed is used to be based on target output signal, generates control signal, and output is to the multiple uniaxial electromagnetic driver, described in control
Multiple single shaft electromagnetic drivers carry out back and forth movement.
It should be noted that multiple uniaxial electromagnetic drivers in the micro-vibration analog platform are transmitted by signal respectively
Line is electrically connected with control device.The single shaft electromagnetic driver upon the reception of control signals, carries out back and forth movement, so that
Micro-vibration analog platform exports simulated target signal, and it is micro- which can be obtained this compared with target output signal
The simulation precision of vibration simulation platform.
In simulation system provided by the invention, the control device is based on target output signal, generates control signal, and will
The control signal of generation is exported to the multiple uniaxial electromagnetic driver, is controlled the multiple uniaxial electromagnetic driver and is carried out back and forth
Movement, so that the micro-vibration analog platform can simulate the exciting force of six-freedom degree.
It should be noted that the target output signal can be true disturbance experiments data, due to public in the present invention
The micro-vibration analog platform opened is capable of providing a plurality of types of disturbing sources, as long as control device is based on true disturbance experiments data
Control signal is generated, and the control signal is exported to the multiple uniaxial electromagnetic driver, controls the multiple uniaxial electromagnetism
Driver carries out back and forth movement, that is, may make the micro-vibration analog platform that can simulate the exciting force of six-freedom degree, thus
It simulates close to true micro-vibration environment.
Specifically, in one embodiment of the invention, the control device realizes that space solves in real time by control strategy
Coupling, to realize the control to the multiple uniaxial electromagnetic driver.Wherein, the control strategy in the present invention refers to: by biography
Delivery function takes generalized inverse to obtain control function.When needing micro-vibration analog platform to export simulated target signal, control device will
Target output signal obtains control signal multiplied by control function, and the control signal is input in micro-vibration analog platform
Multiple single shaft electromagnetic drivers control the multiple uniaxial electromagnetic driver and carry out back and forth movement, export the simulated target letter
Number.
It should be noted that transmission function is that the experimental data based on multiple groups target output signal and control signal acquires
, for characterize be input to the control device target output signal and the control device output control signal between close
One function of system.Due to being obtained based on the target output signal for being input to the control device using the transmission function
The control signal for obtaining the control device output has been well known to those skilled in the art, this is no longer described in detail.
Since orthogonal formula structure is more open in the prior art, fundamental frequency is low, so that for controlling the structure output three
The bandwidth frequency of the simulation system of the disturbing source of a freedom degree is relatively low.And multiple uniaxial electromagnetic drivers provided in the present invention
It may include at least six single shaft electromagnetic driver, be illustrated by taking 6 uniaxial electromagnetic drivers as an example, wherein three uniaxial electricity
Magnetic pumping device is fixed on the side of basic tooling, and three uniaxial electromagnetic drivers are fixed on the second surface of basic tooling, so that
The micro-vibration analog platform can not only provide the exciting force of six-freedom degree, and compact-sized, and fundamental frequency is higher, so that being used for
Control the micro-vibration analog platform output six-freedom degree exciting force simulation system bandwidth frequency be greater than it is existing orthogonal
The bandwidth frequency of the simulation system of formula configuration, so that control of the micro-vibration analog platform in the bandwidth of the simulation system
Precision processed is more preferable.
Optionally, the value range of the output frequency bandwidth of simulation system of the invention is 10Hz-300Hz, so that institute
The output frequency error of micro-vibration analog platform is stated within 2%, exports vibration level error within 10%.
In summary, micro-vibration analog platform provided by the invention is capable of providing the exciting force of six-freedom degree, so as to
To simulate the disturbing signal of six-freedom degree, closer to true micro-vibration environment, be conducive to improve space optical remote sensor pair
Satellite platform micro-vibration environmental suitability, and then improve the observation performance of space optical remote sensor.
Various pieces are described in a progressive manner in this specification, and what each some importance illustrated is and other parts
Difference, same and similar part may refer to each other between various pieces.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to embodiment illustrated herein, and is to fit to consistent with the principles and novel features disclosed in this article
Widest scope.
Claims (10)
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| CN201811119174.4A CN109115442B (en) | 2018-09-25 | 2018-09-25 | Micro-vibration simulation platform and micro-vibration simulation system |
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| CN201811119174.4A CN109115442B (en) | 2018-09-25 | 2018-09-25 | Micro-vibration simulation platform and micro-vibration simulation system |
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| CN112484948A (en) * | 2020-11-05 | 2021-03-12 | 国家能源集团乌海能源有限责任公司 | Piezoelectric trapping test system |
| WO2021078044A1 (en) * | 2019-10-22 | 2021-04-29 | 北京航天希尔测试技术有限公司 | Electrically excited six-degrees-of-freedom vibration test device |
| CN112880953A (en) * | 2021-01-21 | 2021-06-01 | 复旦大学 | Vibration test device and vibration test method |
| AU2019429490B2 (en) * | 2019-02-13 | 2021-08-26 | Anhui University of Science and Technology | Six-degree-of-freedom series-parallel electromagnetic vibration test stand |
| CN113998160A (en) * | 2021-11-10 | 2022-02-01 | 中国科学院长春光学精密机械与物理研究所 | Integrated gravity unloading mechanism |
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| CN115615645A (en) * | 2022-11-14 | 2023-01-17 | 中国科学院长春光学精密机械与物理研究所 | A single-degree-of-freedom micro-vibration simulator |
| CN116213233A (en) * | 2023-02-24 | 2023-06-06 | 中国科学院长春光学精密机械与物理研究所 | Method and device for frequency multiplication suppression of micro-vibration simulator |
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