CN104443450A - Ground verification system and method based on microsatellite navigation system - Google Patents
Ground verification system and method based on microsatellite navigation system Download PDFInfo
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- CN104443450A CN104443450A CN201410611936.8A CN201410611936A CN104443450A CN 104443450 A CN104443450 A CN 104443450A CN 201410611936 A CN201410611936 A CN 201410611936A CN 104443450 A CN104443450 A CN 104443450A
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- 108091092878 Microsatellite Proteins 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000012795 verification Methods 0.000 title claims abstract description 22
- 238000004088 simulation Methods 0.000 claims abstract description 22
- 238000013459 approach Methods 0.000 claims description 26
- 238000012544 monitoring process Methods 0.000 claims description 18
- 230000000007 visual effect Effects 0.000 claims description 14
- 238000004321 preservation Methods 0.000 claims description 8
- 238000010146 3D printing Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000012360 testing method Methods 0.000 description 6
- 238000007667 floating Methods 0.000 description 3
- 238000010200 validation analysis Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Abstract
The invention provides a ground verification system based on a microsatellite navigation system. The ground verification system comprises a non-cooperative small-sized target simulation system and the microsatellite navigation system. The microsatellite navigation system comprises an approaching microsatellite. The non-cooperative small-sized target simulation system is used for simulating the relative movement between the non-cooperative small-sized target simulation system and the approaching microsatellite. The microsatellite navigation system is used for navigating the relative movement between the non-cooperative small-sized target simulation system and the approaching microsatellite. The invention further provides a corresponding method. The non-cooperative small-sized target simulation system comprises an unmanned aerial vehicle, a triaxial cloud deck and a non-cooperative small-sized target simulator. The unmanned aerial vehicle is connected with the non-cooperative small-sized target simulator through the triaxial cloud deck. By the adoption of the ground verification system and method, the advanced unmanned aerial vehicle is adopted, and the relative movement between the approaching microsatellite and a non-cooperative small-sized target can be simulated in a high-precision mode.
Description
Technical field
The present invention relates to Satellite Navigation Technique, particularly, relate to a kind of micro-satellite navigation system ground verification system of approaching based on non-cooperation small size target and method.
Background technology
At space industry, the satellite navigation system approached at ground validation based target has semi-physical simulation and air floating table two kinds of methods usually.Semi-physical simulation method and satellite navigation system adopt real product and algorithm, adopt computer modeling to be approached the status flag of target and motion feature, and above information are input to by ground test interface in the measurement components in satellite navigation system.Air floating table method is namely at satellite with approached and target installs special gas foot, make satellite and approached target to be suspended on air floating table by gas foot is jet, then by being arranged on satellite and being approached the relative motion in process by the propelling unit simulation both sides approached in target.
Current space industry does not find explanation or the report of the similar correlation technique with the present invention, not yet collects similar data both at home and abroad yet.
Summary of the invention
For defect of the prior art, the object of this invention is to provide a kind of micro-satellite navigation system ground verification method approached based on non-cooperation small size target, can significantly reduce ground validation cost and resource consumption on the basis not reducing test accuracy.
The micro-satellite navigation system ground verification system provided according to an aspect of the present invention, comprises non-cooperation small size target simulation system and micro-satellite navigation system;
Micro-satellite navigation system comprises and approaches micro-satellite;
Described non-cooperation small size target simulation system is for simulating non-cooperation small size analog system and the described relative motion approached between micro-satellite; Described micro-satellite navigation system is used for non-cooperation small size target simulation system and the described navigation approaching micro-satellite relative motion.
Preferably, described non-cooperation small size target simulation system comprises unmanned vehicle, three axle The Cloud Terraces and non-cooperation small size target simulator;
Described unmanned vehicle connects described non-cooperation small size target simulator by described three axle The Cloud Terraces;
Described non-cooperation small size target simulator has the profile of non-cooperation small size target;
Described unmanned vehicle is for the relative motion of simulating non-cooperation small size target and approach between micro-satellite;
Described three axle The Cloud Terraces are for keeping the relative position between unmanned vehicle and non-cooperation small size target simulator.
Preferably, described micro-satellite navigation system also comprises multi-vision visual navigating instrument and space micro low coverage acquisition radar;
Approach described in described multi-vision visual navigating instrument is arranged on the top board of micro-satellite, for non-cooperation small size target simulator apart from approach micro-satellite be closely time navigation;
Space micro low coverage acquisition radar be arranged on approach micro-satellite top board on, for non-cooperation small size target simulator apart from the navigation approached when micro-satellite is medium and long distance;
Described approach micro-satellite for the raw navigation information of space micro low coverage acquisition radar and multi-vision visual navigating instrument is carried out treatment and analysis generate navigation feedback information.
Preferably, also comprise flying vehicles control ground station,
Flying vehicles control ground station is used for the transmission of unmanned vehicle control command, the reception of the state of flight of described unmanned vehicle, analysis, display and preservation.
Preferably, satellite radio monitoring equipment is also comprised;
Described satellite radio monitoring equipment is used for reception, analyzes, shows and preserves described navigation feedback information.
Preferably, described non-cooperation small size target simulator adopts 3D printing technique to make.
Preferably, described state of flight comprises any one in GPS information, attitude information, elevation information and velocity information or appoints multiple.
The micro-satellite navigation system ground verification method provided according to another aspect of the present invention, comprises the steps:
Step 1: non-cooperation small size target simulator is mounted on unmanned vehicle by three axle The Cloud Terraces;
Step 2: flying vehicles control ground station control unmanned vehicle declines from approaching directly over micro-satellite according to projected path and speed, the simultaneously state of flight of real-time reception, analysis, display and preservation unmanned vehicle;
Step 3: multi-vision visual navigating instrument and space micro low coverage acquisition radar are measured in real time to the locus of non-cooperation small size target simulator and speed, and the raw navigation information of measurement is passed to approach micro-satellite, send to satellite radio monitoring equipment after generating navigation feedback information;
Step 4: the navigation feedback information that comparison is kept at the unmanned vehicle Flight Condition Data in flying vehicles control ground station and is kept in satellite radio monitoring equipment.
Compared with prior art, the present invention has following beneficial effect:
1, the present invention adopts advanced unmanned vehicle, carries out high-precision simulation to the relative motion approached between micro-satellite and non-cooperation small size target;
2, the present invention adopts advanced 3D printing technique, reappears the geometric shape of non-cooperation small size target completely;
3, the required distance of certification testing horizontal direction is converted to the required distance of vertical direction by the present invention by the unmanned vehicle with hovering function;
4, implementation procedure of the present invention and equipment needed thereby are simple, significantly reduce test time cost and through costly.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is principle of the present invention composition schematic block diagram.
In figure:
1 is unmanned vehicle;
2 is three axle The Cloud Terraces;
3 is non-cooperation small size target simulator;
4 is multi-vision visual navigating instrument;
5 is space micro low coverage acquisition radar;
6 for approaching micro-satellite;
7 is satellite radio monitoring equipment;
8 is flying vehicles control ground station;
9 is ground.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
Core concept of the present invention is, a kind of micro-satellite navigation system ground verification method approached based on non-cooperation small size target is provided, realized the checking approaching micro-satellite navigation system by the motion of ground simulation non-cooperation small size target, comprise unmanned vehicle 1, three axle The Cloud Terrace 2, non-cooperation small size target simulator 3, multi-vision visual navigating instrument 4, space micro low coverage acquisition radar 5, approach micro-satellite 6, satellite radio monitoring equipment 7 and flying vehicles control ground station 8.Micro-satellite navigation system ground verification method provided by the invention, under the prerequisite of non-cooperation small size target, utilizes advanced unmanned vehicle and 3D printing technique, the basis not reducing test accuracy considerably reduces ground validation cost and resource consumption.
As shown in Figure 1, micro-satellite navigation system ground verification system provided by the invention comprises: non-cooperation small size target simulation system and micro-satellite navigation system; Micro-satellite navigation system comprises and approaches micro-satellite 6;
Described non-cooperation small size target simulation system is for simulating non-cooperation small size analog system and the described relative motion approached between micro-satellite 6; Described micro-satellite navigation system is used for non-cooperation small size target simulation system and the described navigation approaching the relative motion of micro-satellite 6.
Described non-cooperation small size target simulation system comprises unmanned vehicle 1, three axle The Cloud Terrace 2 and non-cooperation small size target simulator 3; State unmanned vehicle 1 and connect described non-cooperation small size target simulator 3 by described three axle The Cloud Terraces 2.
Unmanned vehicle 1, has and locates hovering, Remote flight, the monitoring of state of flight and remote data transmission function in the air, for simulating the relative motion between non-cooperation small size target and micro-satellite.Described state of flight comprises any one in GPS information, attitude information, elevation information and velocity information or appoints multiple.Wherein the ceiling altitude of unmanned vehicle 1 is not less than 1000 meters, and hovering attitude accuracy is not less than 1 degree, and positioning precision is not less than 0.3 meter,
Three axle The Cloud Terraces 2, for keeping the relative position between unmanned vehicle 1 and non-cooperation small size target simulator 3.
Non-cooperation small size target simulator 3, is consistent with non-cooperation small size target shape, and leaves the adaptable interface with three axle The Cloud Terraces.Described non-cooperation small size target simulator 3 adopts 3D printing technique to make.
Multi-vision visual navigating instrument 4, be arranged on approach micro-satellite 6 top board on, for non-cooperation small size target simulator 3 apart from approach micro-satellite 6 be closely time navigation, be closely between 0.1m ~ 35m.
Space micro low coverage acquisition radar 5, be arranged on approach micro-satellite 6 top board on, for non-cooperation small size target simulator 3 apart from navigation when to approach micro-satellite 6 be medium and long distance, between medium and long distance 30m ~ 120m.
Approach micro-satellite 6, for the treatment and analysis of the raw information by space micro low coverage acquisition radar 5 and multi-vision visual navigating instrument 4, generate navigation feedback information and send to satellite radio monitoring equipment 7 by radio channel.
Satellite radio monitoring equipment 7, approaches micro-satellite 6 navigationsystem feedack for reception, analysis, display and preservation.
Flying vehicles control ground station 8, for the transmission of unmanned vehicle 1 control command, the reception of aircraft flight state, analysis, display and preservation.
Micro-satellite navigation system ground verification method principle of work provided by the invention is as follows:
At calm open field, non-cooperation small size target simulator 3 is mounted on unmanned vehicle 1 by three axle The Cloud Terraces 2, and keep stable relative position with unmanned vehicle 1, flying vehicles control ground station 8 controls unmanned vehicle 1 and declines according to projected path and speed from approaching directly over micro-satellite 6 1000 meters, simultaneously the GPS information, attitude information, elevation information and the velocity information that are sent by radio channel of real-time reception, analysis, display and preservation unmanned vehicle 1.Be arranged on and approach multi-vision visual navigating instrument 4 on micro-satellite 6 and space micro low coverage acquisition radar 5 is measured in real time to the locus of non-cooperation small size target simulator 3 and speed, and the raw information of measurement is passed to approach micro-satellite 6, after approaching micro-satellite 6 analyzing and processing, send to satellite radio monitoring equipment 7 by radio channel, be responsible for receiving, analyze, show and preserving by satellite radio monitoring equipment 7.Be kept at unmanned vehicle 1 Flight Condition Data in flying vehicles control ground station 8 by comparison after certification testing terminates and be kept at and approach all technical that micro-satellite 6 navigationsystem take off data can obtain the micro-satellite navigation system approached based on non-cooperation small size target in satellite radio monitoring equipment 7.
Micro-satellite navigation system ground verification method provided by the invention, comprises the steps:
Step 1: non-cooperation small size target simulator 3 is mounted on unmanned vehicle 1 by three axle The Cloud Terraces 2;
Step 2: flying vehicles control ground station 8 controls unmanned vehicle 1 and declines according to projected path and speed from approaching directly over micro-satellite 6, the simultaneously state of flight of real-time reception, analysis, display and preservation unmanned vehicle 1;
Step 3: multi-vision visual navigating instrument 4 and space micro low coverage acquisition radar 5 are measured in real time to the locus of non-cooperation small size target simulator 3 and speed, and the raw navigation information of measurement is passed to approach micro-satellite 6, send to satellite radio monitoring equipment 7 after generating navigation feedback information;
Step 4: the navigation feedback information that comparison is kept at unmanned vehicle 1 Flight Condition Data in flying vehicles control ground station 8 and is kept in satellite radio monitoring equipment 7.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (8)
1. a micro-satellite navigation system ground verification system, is characterized in that, comprises non-cooperation small size target simulation system and micro-satellite navigation system;
Micro-satellite navigation system comprises and approaches micro-satellite (6);
Described non-cooperation small size target simulation system is for simulating non-cooperation small size analog system and the described relative motion approached between micro-satellite (6); Described micro-satellite navigation system is used for non-cooperation small size target simulation system and the described navigation approaching micro-satellite (6) relative motion.
2. micro-satellite navigation system ground verification system according to claim 1, it is characterized in that, described non-cooperation small size target simulation system comprises unmanned vehicle (1), three axle The Cloud Terraces (2) and non-cooperation small size target simulator (3);
Described unmanned vehicle (1) connects described non-cooperation small size target simulator (3) by described three axle The Cloud Terraces (2);
Described non-cooperation small size target simulator (3) has the profile of non-cooperation small size target;
Described unmanned vehicle is for the relative motion of simulating non-cooperation small size target and approach between micro-satellite (6);
Described three axle The Cloud Terraces (2) are for keeping the relative position between unmanned vehicle (1) and non-cooperation small size target simulator (3).
3. micro-satellite navigation system ground verification system according to claim 2, is characterized in that, described micro-satellite navigation system also comprises multi-vision visual navigating instrument (4) and space micro low coverage acquisition radar (5);
Approach on the top board of micro-satellite (6) described in described multi-vision visual navigating instrument (4) is arranged on, for non-cooperation small size target simulator (3) apart from approach micro-satellite (6) be closely time navigation;
Space micro low coverage acquisition radar (5) be arranged on approach micro-satellite (6) top board on, for non-cooperation small size target simulator (3) apart from approaching micro-satellite (6) for navigation during medium and long distance;
The described micro-satellite (6) that approaches generates navigation feedback information for the raw navigation information of space micro low coverage acquisition radar (5) and multi-vision visual navigating instrument (4) being carried out treatment and analysis.
4. the micro-satellite navigation system ground verification system according to Claims 2 or 3, is characterized in that, also comprises flying vehicles control ground station (8),
Flying vehicles control ground station (8) for the transmission of unmanned vehicle (1) control command, the reception of the state of flight of described unmanned vehicle (1), analysis, display and preservation.
5. micro-satellite navigation system ground verification system according to claim 3, is characterized in that, also comprises satellite radio monitoring equipment (7);
Described satellite radio monitoring equipment (7) is for receiving, analyze, show and preserving described navigation feedback information.
6. micro-satellite navigation system ground verification system according to claim 2, is characterized in that, described non-cooperation small size target simulator (3) adopts 3D printing technique to make.
7. micro-satellite navigation system ground verification system according to claim 4, is characterized in that, described state of flight comprises any one in GPS information, attitude information, elevation information and velocity information or appoints multiple.
8. a micro-satellite navigation system ground verification method, is characterized in that, comprise the steps:
Step 1: non-cooperation small size target simulator (3) is mounted on unmanned vehicle (1) by three axle The Cloud Terraces (2);
Step 2: flying vehicles control ground station (8) controls unmanned vehicle (1) and declines according to projected path and speed from approaching directly over micro-satellite (6), the simultaneously state of flight of real-time reception, analysis, display and preservation unmanned vehicle (1);
Step 3: multi-vision visual navigating instrument (4) and space micro low coverage acquisition radar (5) are measured in real time to the locus of non-cooperation small size target simulator (3) and speed, and the raw navigation information of measurement is passed to approach micro-satellite (6), send to satellite radio monitoring equipment (7) after generating navigation feedback information;
Step 4: the navigation feedback information that comparison is kept at unmanned vehicle (1) Flight Condition Data in flying vehicles control ground station (8) and is kept in satellite radio monitoring equipment (7).
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| CN106443608A (en) * | 2016-11-03 | 2017-02-22 | 中国科学院电子学研究所 | Simulation testing device for onboard synthetic aperture radar |
| CN109476382A (en) * | 2016-03-07 | 2019-03-15 | 开放宇宙有限公司 | Apparatus and method for satellite payload development |
| CN114396948A (en) * | 2022-01-13 | 2022-04-26 | 中国科学院微小卫星创新研究院 | High-precision ground test system suitable for verifying autonomous navigation of multi-vision system |
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