CN106019157A - Motor detecting system and method and motor system - Google Patents
Motor detecting system and method and motor system Download PDFInfo
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- CN106019157A CN106019157A CN201610638483.7A CN201610638483A CN106019157A CN 106019157 A CN106019157 A CN 106019157A CN 201610638483 A CN201610638483 A CN 201610638483A CN 106019157 A CN106019157 A CN 106019157A
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- motor
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- main control
- electric machine
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
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- General Physics & Mathematics (AREA)
- Control Of Electric Motors In General (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
The invention discloses a motor detecting system and method and a motor system, and relates to the field of equipment debugging. The motor detecting system comprises a sampling module, a master control module and a human-computer interface, wherein the sampling module is used for collecting motor parameters; the master control module is connected with the sampling module and used for obtaining the motor parameters collected by the sampling module, receiving an instruction sent by the human-computer interface and sending the motor parameters to the human-computer interface when the instruction is a valuing instruction; the human-computer interface is connected with the master control module and used for judging whether a motor is qualified or not according to preset conditions and the motor parameters. Motor data can be monitored in real time, the motor state is automatically judged by means of the preset conditions, and accuracy of motor state detection is improved.
Description
Technical field
The present invention relates to equipment debugging field, particularly relate to a kind of motor detection system, method and
Electric system.
Background technology
At present, the application of direct current generator is more and more extensive, such as large batch of in high-grade air-conditioning make
With direct current generator.But direct current generator produces when detecting without special test system at present, is only capable of depending on
Power supply test is run by air-conditioning mainboard or simple motor.It addition, producing line, motor quality is tested
Rely on artificial judgement, easily cause erroneous judgement, and the test data of correspondence cannot record preservation,
Problem after sale the most just cannot be reviewed.The open a kind of electricity of the patent of Patent No. 200820225434.1
Machine debugging apparatus, by the device such as button and charactron, completes the start and stop to motor, rotating speed tune
The realization of the functions such as joint and rotating speed show, but cannot be to the actual operation parameters of motor and operation shape
State carries out detailed monitoring, also cannot real-time judge motor status.
Summary of the invention
The technical problem that the invention solves the problems that is to provide one can judge motor shape in time
The Intelligent Measurement scheme of state.
According to an aspect of the present invention, a kind of motor detection system is proposed, including: sampling module,
For gathering the parameter of electric machine；Main control module, is connected with sampling module, is used for obtaining sampling module
The parameter of electric machine gathered, and receive the instruction that man machine interface sends, when instruction instructs for value,
The parameter of electric machine is sent to man machine interface；Man machine interface, is connected with main control module, for basis
Pre-conditioned and the parameter of electric machine judges that motor is the most qualified.
Further, sampling module is used for gathering motor busbar voltage or/and bus current parameter.
Further, this motor detection system also includes electric energy metering module；Electric energy metering module
It is connected with sampling module, is used for gathering power of motor and/or power factor parameter；Sampling module is also
For obtaining power of motor and/or power factor parameter.
Further, main control module is additionally operable to judge whether the parameter of electric machine meets and presets ceiling
Part, if the parameter of electric machine is unsatisfactory for presetting protective condition, then cuts off motor power, and protection is believed
Breath transmission is reported to the police to man machine interface.
Further, main control module is additionally operable to receive the action command that man machine interface sends, according to
Action command controls relay and cut-offs or regulate motor speed.
Further, man machine interface is additionally operable to analyze the parameter of electric machine that main control module sends, and root
According to parameter of electric machine render history curve.
Further, this motor detection system also includes scanning device；Scanning device and man-machine boundary
Face connects, for the numbering of scan module；Man machine interface is for preserving numbering and the motor of motor
The mapping relations of parameter.
According to a further aspect in the invention, it is also proposed that a kind of electric system, including motor and above-mentioned
Motor detection system.
According to a further aspect in the invention, it is also proposed that a kind of electric machines test method, including sampling
Module receives the value instruction of main control module, sends the parameter of electric machine gathered to main control module；
Main control module receives the instruction that man machine interface sends, and when instruction instructs for value, is joined by motor
Number sends to man machine interface；Whether man machine interface judges motor according to pre-conditioned and the parameter of electric machine
Qualified.
Further, the parameter of electric machine transmission of collection is included by sampling module to main control module: adopt
Original mold block by gather motor busbar voltage or/and bus current parameter send to main control module.
Further, this electric machines test method also includes: sampling module will be by electric energy metrical mould
Power of motor and/or power factor parameter that block gathers send to main control module.
Further, this electric machines test method also includes: whether the master control module judges parameter of electric machine
Meet and preset protective condition；If the parameter of electric machine is unsatisfactory for presetting protective condition, main control module is then cut
Power machine power supply, and the transmission of protection information is reported to the police to man machine interface.
Further, this electric machines test method also includes: when instruction is for action command, master control
Module controls relay according to action command and cut-offs or regulate motor speed.
Further, this electric machines test method also includes: man machine interface is analyzed main control module and sent
The parameter of electric machine, and according to parameter of electric machine render history curve.
Further, this electric machines test method also includes: man machine interface is scanned by scanning device
The numbering of motor, preserves the numbering of motor and the mapping relations of the parameter of electric machine.
Compared with prior art, acquisition module of the present invention sends to master control mould after gathering the parameter of electric machine
Block, when main control module receives the value instruction of man machine interface, sends the parameter of electric machine to man-machine
Interface, according to pre-conditioned and the parameter of electric machine, man machine interface judges that motor is the most qualified.Therefore,
The present invention can monitor motor data in real time, and relies on pre-conditioned to motor status automatic decision,
Improve the accuracy of motor conditions sensed.
By detailed description to the exemplary embodiment of the present invention referring to the drawings, the present invention
Further feature and advantage will be made apparent from.
Accompanying drawing explanation
The accompanying drawing of the part constituting description describes embodiments of the invention, and together with saying
Bright book is together for explaining the principle of the present invention.
Referring to the drawings, according to detailed description below, the present invention can be more clearly understood from,
Wherein:
Fig. 1 is the structural representation of an embodiment of motor detection system of the present invention.
Fig. 2 is the structural representation of another embodiment of motor detection system of the present invention.
Fig. 3 is the schematic flow sheet of an embodiment of electric machines test method of the present invention.
Fig. 4 is the schematic flow sheet of another embodiment of electric machines test method of the present invention.
Fig. 5 is the structural representation of an embodiment of electric system of the present invention.
Detailed description of the invention
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should be noted that
Arrive: unless specifically stated otherwise, the parts illustrated the most in these embodiments and the phase of step
Layout, numerical expression and numerical value are not limited the scope of the invention.
Simultaneously, it should be appreciated that for the ease of describing, the chi of the various piece shown in accompanying drawing
Very little is not to draw according to actual proportionate relationship.
Description only actually at least one exemplary embodiment is illustrative below, certainly
Not as to the present invention and application thereof or any restriction of use.
May not make in detail for technology, method and apparatus known to person of ordinary skill in the relevant
Thin discussion, but in the appropriate case, described technology, method and apparatus should be considered to authorize to be said
A part for bright book.
Shown here with in all examples discussed, any occurrence should be construed as merely
Exemplary rather than conduct limits.Therefore, other example of exemplary embodiment can have
There is different values.
It should also be noted that similar label and letter expression similar terms in following accompanying drawing, therefore,
The most a certain Xiang Yi accompanying drawing is defined, then need not it is carried out in accompanying drawing subsequently
Discussed further.
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with tool
Body embodiment, and referring to the drawings, the present invention is described in more detail.
Fig. 1 is the structural representation of an embodiment of motor detection system of the present invention.This motor
Detecting system includes sampling module 110, main control module 120 and man machine interface 130, wherein:
Sampling module 110 is connected with motor, is used for gathering the parameter of electric machine.Sampling module 110 can
Thinking sampler, sampling module 110 can directly gather motor busbar voltage, bus current etc.
The parameter of electric machine, it is also possible to gather power of motor, current of electric, electricity by electric energy metering module
The parameters of electric machine such as acc power factor.After sampling module 110 gathers the parameter of electric machine, can be by motor
Parameter carries out edit, waits the value instruction of main control module 120.Such as self is gathered
The parameter of electric machine and the parameter of electric machine that obtained by electric energy metering module according to protocol requirement classification row
Sequence, in order to main control module is according to protocol identification data type.
Main control module 120 is connected with sampling module 110, is used for obtaining sampling module 110 and gathers
The parameter of electric machine, and receive man machine interface 130 send instruction, when instruction instruct for value time,
The parameter of electric machine is sent to man machine interface 130.Wherein, main control module 120 passes through communication mode
Obtain the parameter of electric machine from sampling module 110, and data are carried out preliminary arrangement, wait
The value instruction of man machine interface 130.Send when main control module 120 receives man machine interface 130
Instruction time, by corresponding protocol analysis, it is determined that this instruction is action command or value instruction,
When instructing for value, the parameter of electric machine is sent to man machine interface 130.Main control module 120 can
Think the concrete hardware unit of the compositions such as PLC, integrated circuit, associated components.
Man machine interface 130 is host computer, is connected with main control module 120, for according to presetting bar
Part and the parameter of electric machine judge that motor is the most qualified.When ratio is if desired for testing of electric motors rotating speed, man-machine boundary
Face 130 judge real electrical machinery rotating speed whether in rotating speed of target scope, if real electrical machinery rotating speed is not
Then judge that motor is defective in rotating speed of target scope.The most pre-conditioned can be according to different electricity
Machine test event determines, such as, can also compare actual power and target power, the reality of motor
Whether current of electric mates with target current.
In this embodiment, acquisition module sends to main control module, master control after gathering the parameter of electric machine
When module receives the value instruction of man machine interface, the parameter of electric machine is sent to man machine interface, people
According to pre-conditioned and the parameter of electric machine, machine interface judges that motor is the most qualified.Therefore, energy of the present invention
Enough motor data of monitoring in real time, and rely on pre-conditioned to motor status automatic decision, reduce people
The error brought for factor.
Fig. 2 is the structural representation of another embodiment of motor detection system of the present invention.This electricity
Machine testing system includes sampling module 210, main control module 220, man machine interface 230 and electric energy meter
Amount module 240.Wherein:
Electric energy metering module 240 can be electric energy metering machine, respectively with motor and sampling module
210 connect.Upon power-up of the system, electric energy metering module 240 can obtain motor the most in real time
The parameters of electric machine such as power, electric current, power factor, wait the instruction of sampling module 210 value.Adopt
Original mold block 210 obtains the parameter of electric machine from electric energy metering module 240 by communication, and synchronizes
Gather the parameters of electric machine such as motor busbar voltage, the data of acquisition are carried out edit, wait main
The value instruction of control module 220.
Main control module 220 obtains the parameter of electric machine from sampling module 210 by communication mode,
And data are carried out preliminary arrangement, wait the value instruction of man machine interface 230.When master control mould
When block 220 receives the instruction that man machine interface 230 sends, by corresponding protocol analysis, it is determined that
This instruction is action command or value instruction, if this instruction is action command, then and can basis
Concrete action command controls relay and cut-offs or regulate motor speed；Refer to if this instruction is value
Order, then send the parameter of electric machine obtained to man machine interface 230.It addition, main control module 220
Key parameter can also be contrasted with the protective condition preset, automatic when exceeding protection value
Cut off motor power to synchronize that protection information is sent to man machine interface and report to the police, such as judge electric current,
Whether temperature parameter exceedes threshold value, if exceeding threshold value, protects motor and system.
After man machine interface 230 receives the parameter of electric machine of main control module 220, by corresponding motor
Parameter according to protocol analysis out, is respectively displayed in touch screen correspondence project, and by touch screen
The decision condition preset, carries out automatic decision to whether qualified motor is.It addition, man machine interface 230
After being analyzed by the parameter of electric machine that main control module 220 is sent, the history curve of correspondence can be drawn
For subsequent data analysis, and corresponding data can be stored in case follow-up lookup.
In this embodiment, acquisition module sends to main control module, master control after gathering the parameter of electric machine
When module receives the value instruction of man machine interface, the parameter of electric machine is sent to man machine interface, people
According to pre-conditioned and the parameter of electric machine, machine interface judges that motor is the most qualified.Therefore, energy of the present invention
Enough motor data of monitoring in real time, and rely on pre-conditioned to motor status automatic decision, reduce people
The error brought for factor.It addition, man machine interface is by drawing the history curve of the parameter of electric machine,
Test event long-term to motor provides data record and searches foundation, is motor project development simultaneously
There is provided convenient with experimental evaluation.
In another embodiment of the present invention, this motor detection system can also include that barcode scanning sets
Standby 250, barcode scanning equipment 250 is connected with man machine interface 230, is used for reading motor encoder.Sweep
Motor numbering is sent to man machine interface 230 by decoding apparatus 250, in order to shown by motor encoder
In man machine interface, man machine interface 230 proceeds by electromechanical testing after reading successfully, such as, and work
Make personnel by man machine interface 230, the test event that selection is corresponding, touch man machine interface 230
Corresponding start button, sends correspondence system enabled instruction and surveys to main control module 220, unlatching correspondence
Die trial formula, when man machine interface 230 receives the parameter of electric machine that main control module 220 sends, from
Moving is saved in below this coding by test data, to realize motor encoder and test data a pair
One preserves, in order to the reviewing of data after sale.
In one embodiment, it is also possible to by the preset test condition of man machine interface 230, real
Being automatically obtained of existing electromechanical testing flow process.For example, it is desired to during the high-low pressure adaptability of testing of electric motors,
Motor can be accessed high pressure (420V) and within 1 hour, access low pressure (230V) again 1 hour, as
This circulation is gone down, and reduces manual intervention.
In another embodiment of the present invention, Switching Power Supply 260 and emergency stop switch are also included
270, Switching Power Supply 260 is connected with main control module 220 and motor respectively, for main control module
220 and motor be powered.Emergency stop switch 270 respectively with Switching Power Supply 260 and electric energy metrical
Module 240 connects.Emergency stop switch 270 can disconnect motor detection system and access all of civil power
Power supply, ensures the safety of whole system.
In an embodiment of the present invention, in order to protect the safety of motor detection system, can be by
Sampling module 210 and main control module 220 carry out isolation power supply.Due to sampling module 210 part
Need with motor strong power part altogether, for prevent motor section separate existing abnormal time burn main control module
220 and man machine interface 230, by main control module 220 and sampling module 210 by optocoupler or other
Mode is isolated, therefore needs separately power supply.
Fig. 3 is the schematic flow sheet of an embodiment of electric machines test method of the present invention.This motor
Detection method comprises the following steps:
In step 310, sampling module receives the value instruction of main control module, the motor that will gather
Parameter sends to main control module.Wherein, sampling module can directly gather motor busbar voltage,
The parameters of electric machine such as bus current, it is also possible to gather power of motor, merit by electric energy metering module
The parameters of electric machine such as rate factor, the parameter of electric machine that self is gathered by sampling module and pass through electric energy metrical
The parameter of electric machine that module obtains is according to protocol requirement classification and ordination, in order to main control module is according to agreement
Identify data type.
In step 320, main control module receives the instruction that man machine interface sends, when instruction is value
During instruction, the parameter of electric machine is sent to man machine interface.Main control module is obtained by communication mode
From the parameter of electric machine of sampling module, and data are carried out preliminary arrangement, wait man machine interface
Value instructs.When main control module receives the instruction that man machine interface sends, by corresponding agreement
Resolve, it is determined that this instruction is action command or value instruction, when instructing for value, by motor
Parameter sends to man machine interface.
In step 130, according to pre-conditioned and the parameter of electric machine, man machine interface judges whether motor closes
Lattice.For example, it is desired to during testing of electric motors rotating speed, man machine interface judges that whether real electrical machinery rotating speed exists
Rotating speed of target scope, if real electrical machinery rotating speed is not in rotating speed of target scope, judges that motor does not conforms to
Lattice.
In this embodiment, acquisition module sends to main control module, master control after gathering the parameter of electric machine
When module receives the value instruction of man machine interface, the parameter of electric machine is sent to man machine interface, people
According to pre-conditioned and the parameter of electric machine, machine interface judges that motor is the most qualified.Therefore, energy of the present invention
Enough motor data of monitoring in real time, and rely on pre-conditioned to motor status automatic decision, reduce people
The error brought for factor.
Fig. 4 is the schematic flow sheet of another embodiment of electric machines test method of the present invention.This electricity
Machine testing method comprises the following steps:
In step 410, select corresponding test event by man machine interface, touch man machine interface
Corresponding start button, sends correspondence system enabled instruction to main control module, unlatching correspondence test mould
Formula.
In step 420, master control module judges instruction is value instruction or action command, if
Value instructs, then perform step 430, if action command, then performs step 490.
In step 430, main control module obtains the parameter of electric machine that sampling module gathers, and by motor
Parameter sends to man machine interface.Wherein, after system electrification, electric energy metering module obtains the most in real time
The parameters of electric machine such as power taking acc power, electric current, power factor.Sampling module obtains by communication
From the parameter of electric machine of electric energy metering module, and the parameter of electric machine such as synchronous acquisition motor busbar voltage,
The data of acquisition are carried out edit, waits the value instruction of main control module.
The method can also include step 440, and it is pre-whether the master control module judges parameter of electric machine meets
If protective condition, if being unsatisfactory for, then perform step 450, otherwise, perform step 460.
In step 450, protection information is sent to by main control module automatic cut-off motor line lock
Man machine interface is reported to the police.
In step 460, the parameter of electric machine is sent to man machine interface by main control module.
In step 470, man machine interface by the corresponding parameter of electric machine according to protocol analysis out, divides
Do not show in touch screen correspondence project, and the decision condition preset by touch screen, motor is closed
Whether lattice carry out automatic decision.
In step 480, man machine interface draws corresponding history curve according to the parameter of electric machine, after supplying
Continuous data analysis uses, and can corresponding data be stored in case follow-up lookup.
When scanning device, the parameter of electric machine can also be saved under this coding by man machine interface automatically
Side, to realize the preservation one to one of motor encoder and the parameter of electric machine, in order to the reviewing of data after sale.
In step 490, control relay according to concrete action command and cut-off or regulate motor speed
Degree.
In this embodiment, realized display and the storage of motor data by man machine interface, complete
The transmission of slave computer action command；By in the preset test condition of man machine interface, motor can be realized
Being automatically obtained of testing process, and intelligent decision motor is the most qualified and storage test data, subtracts
Few manual intervention.Simultaneously can realize motor encoder and data one to one to producing line electromechanical testing data
Preserve, facilitate the lookup of follow-up problem after sale and review；Number is provided for the long-term test event of motor
According to record and lookup foundation, provide convenient for motor project development and experimental evaluation simultaneously.
Fig. 5 is the structural representation of an embodiment of electric system of the present invention.This electric system
Including motor detection system 510 and motor 520, motor 520 can be direct current generator.Wherein
Motor detection system 510 monitors the parameter of electric machine of motor 520 in real time, and according to default condition
The state of motor 520 is carried out automatic decision, reduces the error that anthropic factor brings, improve
The accuracy of motor conditions sensed.It addition, motor detection system 510 can also preserve motor 520
Coding and the mapping relations of the parameter of electric machine, facilitate the lookup of follow-up problem after sale and review.
So far, the present invention is described in detail.In order to avoid covering the design of the present invention, do not have
It is described details more known in the field.Those skilled in the art as described above,
Completely it can be appreciated how implement technical scheme disclosed herein.
Method and the device of the present invention may be achieved in many ways.Such as, can be by soft
Part, hardware, firmware or software, hardware, any combination of firmware realize the side of the present invention
Method and device.For the said sequence of step of described method merely to illustrate, this
The step of the method for invention is not limited to order described in detail above, the most especially
Explanation.Additionally, in certain embodiments, also can be embodied as the present invention recording at record medium
In program, these programs include the machine readable instructions for realizing the method according to the invention.
Thus, the present invention also covers the record of the program for performing the method according to the invention that stores and is situated between
Matter.
Although some specific embodiments of the present invention being described in detail by example,
But it should be appreciated by those skilled in the art, above example is not merely to illustrate, and not
It is to limit the scope of the present invention.It should be appreciated by those skilled in the art, can without departing from
In the case of scope and spirit of the present invention, above example is modified.The model of the present invention
Enclose and be defined by the following claims.
Claims (15)
1. a motor detection system, it is characterised in that including:
Sampling module, is used for gathering the parameter of electric machine；
Main control module, is connected with described sampling module, for obtaining what described sampling module gathered
The parameter of electric machine, and receive the instruction that man machine interface sends, when described instruction is value instruction,
The described parameter of electric machine is sent to described man machine interface；
Man machine interface, is connected with described main control module, for according to pre-conditioned and described motor
Parameter judges that motor is the most qualified.
System the most according to claim 1, it is characterised in that described sampling module is used
In gathering motor busbar voltage or/and bus current parameter.
System the most according to claim 2, it is characterised in that also include electric energy metrical
Module；
Described electric energy metering module is connected with described sampling module, be used for gathering power of motor and/
Or power factor parameter；
Described sampling module is additionally operable to obtain described power of motor and/or power factor parameter.
System the most according to claim 1, it is characterised in that described main control module is also
Protective condition is preset, if the described parameter of electric machine is discontented with for judging whether the described parameter of electric machine meets
Foot presets protective condition, then cut off motor power, and send protection information to described man-machine boundary
Report to the police in face.
System the most according to claim 1, it is characterised in that described main control module is also
For receiving the action command that described man machine interface sends, control relay according to described action command
Device cut-offs or regulates motor speed.
6. according to the arbitrary described system of claim 1-5, it is characterised in that described man-machine
Interface is additionally operable to analyze the parameter of electric machine that described main control module sends, and according to the described parameter of electric machine
Render history curve.
7. according to the arbitrary described system of claim 1-5, it is characterised in that also include sweeping
Retouch equipment；
Described scanning device is connected with described man machine interface, for scanning the numbering of described motor；
The mapping of described man machine interface numbering with the described parameter of electric machine for preserving described motor
Relation.
8. an electric system, it is characterised in that include that motor and claim 1-7 are arbitrary
Described motor detection system.
9. an electric machines test method, it is characterised in that including:
Sampling module receives the value instruction of main control module, sends the parameter of electric machine gathered to institute
State main control module；
Described main control module receives the instruction that man machine interface sends, when described instruction is value instruction
Time, the described parameter of electric machine is sent to described man machine interface；
According to the pre-conditioned and described parameter of electric machine, described man machine interface judges that motor is the most qualified.
Method the most according to claim 9, it is characterised in that described sampling module will
The parameter of electric machine gathered sends extremely described main control module and includes:
Described sampling module by gather motor busbar voltage or/and bus current parameter send extremely
Described main control module.
11. methods according to claim 10, it is characterised in that also include:
Described sampling module by the power of motor gathered by electric energy metering module and/or power because of
Number parameter sends to described main control module.
12. methods according to claim 9, it is characterised in that also include:
Whether the parameter of electric machine described in described master control module judges meets is preset protective condition；
If the described parameter of electric machine is unsatisfactory for presetting protective condition, described main control module then cuts off motor
Power supply, and the transmission of protection information is reported to the police to described man machine interface.
13. methods according to claim 9, it is characterised in that also include:
When described instruction is action command, described main control module controls according to described action command
Relay cut-offs or regulates motor speed.
14. according to the method described in claim 9-13, it is characterised in that also include:
The parameter of electric machine that described main control module sends is analyzed in described man machine interface, and according to described electricity
Machine parameter render history curve.
15. according to the method described in claim 9-13, it is characterised in that also include:
Described man machine interface scans the numbering of described motor by scanning device, preserves described motor
Numbering and the mapping relations of the described parameter of electric machine.
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| CN201610638483.7A CN106019157A (en) | 2016-08-05 | 2016-08-05 | Motor detecting system and method and motor system |
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| CN201610638483.7A CN106019157A (en) | 2016-08-05 | 2016-08-05 | Motor detecting system and method and motor system |
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| CN106908726A (en) * | 2017-03-09 | 2017-06-30 | 迈普通信技术股份有限公司 | The working condition detecting system of direct current generator, method and the network equipment |
| CN107422259A (en) * | 2017-05-24 | 2017-12-01 | 歌尔股份有限公司 | The test system and its method of testing of a kind of brushless electric machine |
| CN108521247A (en) * | 2018-04-11 | 2018-09-11 | 航天科技控股集团股份有限公司 | Multigroup Servo Motor Control System Based on CAN Bus Communication |
| CN108536105A (en) * | 2018-04-11 | 2018-09-14 | 航天科技控股集团股份有限公司 | Multigroup control method of servo motor based on CAN bus communication |
| CN115267314A (en) * | 2022-05-30 | 2022-11-01 | 国网安徽省电力有限公司电力科学研究院 | Motor output power waveform on-line monitoring device |
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