CN102374870A - Test system and test method for satellite with high-precision split-type star sensor - Google Patents
Test system and test method for satellite with high-precision split-type star sensor Download PDFInfo
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- CN102374870A CN102374870A CN2010102549640A CN201010254964A CN102374870A CN 102374870 A CN102374870 A CN 102374870A CN 2010102549640 A CN2010102549640 A CN 2010102549640A CN 201010254964 A CN201010254964 A CN 201010254964A CN 102374870 A CN102374870 A CN 102374870A
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Abstract
The invention discloses a test method suitable for a high-precision split-type star sensor without a specialized test port. The test method is realized by a test system. The test system comprises a star map electrical signal simulator interface box, a star map electrical signal simulator personal computer (PC), a signal transmission cable for connection and a static multi-star simulator. The test method comprises the following steps of connecting the signal transmission cable and a socket of the star map electrical signal simulator interface box, connecting the star map electrical signal simulator interface box and the star map electrical signal simulator PC through the signal transmission cable, finishing electrical property test on a star sensor accessed into an attitude control system, pulling out the signal transmission cable, connecting the signal transmission cable and a head of the star sensor, installing the static multi-star simulator on the head of the star sensor, and finishing optical property test on the head of the star sensor. Based on the test system and the test method, electrical property and optical property tests on a star sensor can be realized only through finite cable plugging processes. The test method is simple, reliable, practical and safe, reduces test time, and improves test effectiveness.
Description
Technical field
The present invention relates to aerospace vehicle integration test technology, particularly a kind of test macro and method of testing of not having the split type star sensor dress of the high precision star of special test mouth.
Background technology
Star sensor all has outfit at present as a kind of general attitude measurement parts on most of satellite attitude control system, it has measuring accuracy height, no-rotary part, reliability height, long characteristics of life-span.By design feature; Star sensor can be divided into integral structure and split-type structural; The opticator CCD camera lens of integral structure and processor are one-piece constructions, and the CCD camera lens and the processor of split-type structural separate, and can be arranged in the different installation sites on the celestial body respectively; No matter integral structure or split-type structural; Overwhelming majority star sensor all has special test port on processor; During attitude control system closed-loop characteristic index test under putting in order the star condition; Generally star sensor test port signal is guided to the satellite pull-off plug through cable on the star, link to each other with uphole equipment, produce the required electric signal source simulated data of test by uphole equipment through pull-off plug; As the electric excitation signal input in star sensor when work on the satellite, can keep accomplishing detection under the motionless situation of cable connection status on the star like this to the star sensor electrical property.
Development along with the space science technology; In order to satisfy the high-precision attitude control requirement of China's remote sensing satellite; The attitude of satellite and orbit control subsystem have disposed the split type star sensor of high precision as measurement component; Because the split type star sensor of this type high precision does not have special-purpose test port, above-mentioned dress star method of testing is then inapplicable, can't accomplish the detection to star sensor electrical property and light function.
On the other hand, before satellites transmits, must test and estimate star sensor electrical performance indexes and optical function, and then have influence on attitude control subsystem closed-loop characteristic evaluation of indexes, can this normal transmission most important to satellite.Do not have at present to find explanation or report, do not collect both at home and abroad similarly data as yet yet about head it off.
Summary of the invention
In order to overcome the defective that above-mentioned prior art exists; The present invention provides a kind of high precision split type star sensor method of testing; Be applicable to the star sensor of no special test mouth, its electrical property and optical function are tested, guarantee security of products on the test clock star simultaneously.
To achieve these goals, technical scheme of the present invention is following:
The split type star sensor dress of a kind of high precision star test macro comprises star chart electric signal simulator interface case, star chart electric signal simulator PC, stube cable and static many star simulators.
The split type star sensor of said high precision is made up of star sensor head and processor, and said star sensitive process device is installed in the load cabin, and the star sensor head is installed in out of my cabin.
Said star chart electric signal simulator interface case connects star chart electric signal simulator PC through cable; The cable plug of said star sensor head connects signal-transmitting cable and power supply transmission cable respectively; Said star sensor head is connected the star sensor processor through signal-transmitting cable with the power supply transmission cable, and the many star simulators of said static state are installed on the said star sensor head out of my cabin.
Further, said signal-transmitting cable connects signal transmitted data interface employing LVDS interface;
Said star sensor processor connects the control computer on distribution line box and the satellite through cable respectively at the interface that connects power supply, the relative side of signal-transmitting cable.
Said star chart electric signal simulator PC connects the rail control testing apparatus through netting twine.
The many star simulators of said static state are connected on the light shield outer of star sensor head through the spring claw; Static many star simulators dispose the dry cell cabin; Use dry cell as power supply; Static many star simulators with star sensor head surface of contact through insulation processing, guaranteeing does not have safety hazards to product on the star.
The invention still further relates to star sensor dress star method of testing, star sensor electrical performance indexes and optical function are tested.
When (1) star sensor being carried out electric performance test; Use said star chart electric signal simulator interface case; Star chart electric signal simulator PC and stube cable; The plug of the signal-transmitting cable that connects the star sensor head with the power supply transmission cable broken off, and said signal-transmitting cable is connected on the socket of star chart electric signal simulator interface case, the fixed star star chart electric signal that use star chart electric signal simulator produces is as the electric excitation input of star sensor processor; Accomplish the electrical performance indexes test of star sensor access posture control system under the whole star, just the closed-loop characteristic index test.
When (2) star sensor being carried out the optical function test, signal-transmitting cable is extracted from the socket of star chart electric signal simulator interface case, recovered to connect the signal-transmitting cable and power supply transmission cable of star sensor head and star sensor processor; And will be used for static many star simulators that the star sensor optical property detects and be installed in the star sensor head, to accomplish the detection of star sensor head optical function.
Can intactly detect the electrical property and the optical function index test of whole star sensor according to above-mentioned method of testing, whether operate as normal is made correct evaluation and believable test data is provided for attitude control system before the satellites transmits.
The invention has the beneficial effects as follows; Solved test problem behind the star sensor dress star of this no special test mouth, obtained and do not change product installment state on the star, only the plug operation of the cable plug through limited number of time can be accomplished the detection to this star sensor electrical property and optical function; The electrical property of this type star sensor before test factory building, emission and the beneficial effect of optical property detection integrality have been satisfied; Improved the agility and the validity of test, shortened test period, had easy and simple to handle; Test coverage is complete, simple and reliable, safe characteristics.
Description of drawings
Fig. 1 is the scheme of installation of star sensor of the present invention.
Fig. 2 is a test macro composition frame chart of the present invention.
Among the figure, 1, the star sensor head, 2, the star sensor processor, 21, interface; 22, interface, 3, static many star simulators, 4, signal-transmitting cable, 5, the power supply transmission cable; 6, star chart electric signal simulator interface case, 61, socket, 7, star chart electric signal simulator PC, 71, interface; 8 stube cables, 9, the spring claw, 10, the dry cell cabin, 11, celestial body.
Embodiment:
Be easy to understand understanding in order to make creation characteristic of the present invention, technological means and to reach purpose, further set forth the present invention below in conjunction with specific embodiment.
Embodiment:
Referring to Fig. 1, star sensor head 1 is installed in celestial body 11 out of my cabin, has created condition for the installation of cable plug operation, static many star simulators 3, according to this layout characteristics, has formulated testing scheme of the present invention.
Fig. 1 has marked the installation effect synoptic diagram of static many star simulators 3 at star sensor head 1 simultaneously, and static many star simulators 3 are connected on the star sensor head 1 light shield outer through three spring claws 9, is easy to dismounting, and is simple to operate.
Static many star simulators 3 dispose dry cell cabin 10, are provided with the dry cell as power supply in the dry cell cabin 10, and the surface of contact of static many star simulators 3 and star sensor head 1 is through insulation processing, and guaranteeing does not have safety hazards to product on the star.
Fig. 2 is the test macro block diagram to the split type star sensor of high precision of no special test mouth; Said test macro comprises: static many star simulator 3, star chart electric signal simulator interface case 6; Star chart electric signal simulator PC 7; Stube cable 8, signal-transmitting cable 4 and power supply transmission cable 5, wherein stube cable 8 adopts 1394 model stube cables.
Star sensor head 1 is connected with star sensor processor 2 through signal-transmitting cable 4 and power supply transmission cable 5 respectively; Star chart electric signal simulator interface case 6 is connected with star chart electric signal simulator PC 7 through stube cable 8, and the interface 71 of star chart electric signal simulator PC 7 connects the rail control testing apparatus through netting twine; The interface 21 of star sensor processor 2 is linked control computer on the star through cable, and its interface 22 connects the distribution line box through cable.
When carrying out the closed loop test of star sensor electrical performance indexes, control computer through the relay in the distribution line box to star sensor processor 2 power up, control such as outage; Break off the signal-transmitting cable 4 and power supply transmission cable 5 that connect star sensor head 1; And signal-transmitting cable 4 is connected on the socket 61 of star chart electric signal simulator interface case, the fixed star star chart electric signal that produces through star chart electric signal simulator is as the electric excitation input of star sensor processor 2.
When carrying out star sensor optical property index test; Recover to connect star sensor head 1 and the signal-transmitting cable 4 of star sensor processor 2 and the transmission cable 5 of supplying power; And static many star simulators 3 are installed on star sensor head 1, detect in order to accomplish optical property.
The attitude of satellite simulated data that ground dynamics produces is sent to star chart electric signal simulator PC 7 through the LAN netting twine; Star chart electric signal simulator PC 7 sends to star sensor processor 2 through transmission line with the attitude-simulating data that produce; Control computer is gathered the attitude measurement data that star sensor processor 2 produces; And carry out attitude control, and steering order is sent to topworks, uphole equipment is gathered topworks's action effect and is sent to dynamics; Total system constitutes a closed loop; Become a real-time semi-physical system,, can detect attitude control system closed-loop characteristic index and whether the star sensor electrical performance indexes meets design requirement through said method.
More than show and described ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the instructions just explains principle of the present invention; The present invention also has various changes and modifications under the prerequisite that does not break away from spirit and scope of the invention, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (6)
1. the split type star sensor of high precision is adorned the star test macro; Be applicable to the star sensor of no special test mouth, it is characterized in that, comprise star chart electric signal simulator interface case; Star chart electric signal simulator PC; Stube cable and static many star simulators, said star chart electric signal simulator interface case is connected with star chart electric signal simulator PC through stube cable, and the many star simulators of said static state are installed in the star sensor head.
2. the split type star sensor dress of a kind of high precision according to claim 1 star test macro; It is characterized in that; The head of said split type star sensor is installed in celestial body out of my cabin; The star sensor processor is installed in the celestial body load cabin, and both are connected with the power supply transmission cable through the signal-transmitting cable of crossing cabin.
3. the split type star sensor of a kind of high precision according to claim 2 is adorned the star test macro, is used to connect the signal data transmission interface employing LVDS interface of signal-transmitting cable on the said star sensor head.
4. the split type star sensor dress of a kind of high precision according to claim 2 star test macro is characterized in that said star sensor processor connects control computer on the star through cable.
5. the split type star sensor dress of a kind of high precision according to claim 1 star test macro is characterized in that said star chart electric signal simulator PC connects the rail control testing apparatus through netting twine.
6. based on the split type star sensor dress of a kind of high precision of claim 1 star method of testing, it is characterized in that it may further comprise the steps:
(1) use above-mentioned test macro that star sensor is carried out electric performance test: to pull up the signal-transmitting cable and power supply transmission cable that are connected said star sensor head; And signal-transmitting cable is connected on the socket of star chart electric signal simulator interface case; Make it to be connected with the star sensor processor; Fixed star star chart electric signal through star chart electric signal simulator produces is imported as the electric excitation of said star sensor processor, accomplishes the electrical performance indexes test of star sensor access posture control system under the whole star;
(2) behind the completion electric performance test; When getting into the optical function detection; Pull out the signal-transmitting cable on the said star chart electric signal simulator interface case socket; Recover to connect signal-transmitting cable and power supply transmission cable between star sensor head and the star sensor processor, and the many star simulators of static state are installed on the said star sensor head, in order to accomplish the detection of star sensor optical property.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102549640A CN102374870A (en) | 2010-08-17 | 2010-08-17 | Test system and test method for satellite with high-precision split-type star sensor |
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| CN2010102549640A CN102374870A (en) | 2010-08-17 | 2010-08-17 | Test system and test method for satellite with high-precision split-type star sensor |
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| CN102374870A true CN102374870A (en) | 2012-03-14 |
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| CN2010102549640A Pending CN102374870A (en) | 2010-08-17 | 2010-08-17 | Test system and test method for satellite with high-precision split-type star sensor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404001A (en) * | 2016-10-31 | 2017-02-15 | 上海航天控制技术研究所 | Precision installation alignment device for star sensor and dynamic photostar simulator and testing method |
| CN109212343A (en) * | 2018-08-08 | 2019-01-15 | 上海航天控制技术研究所 | A kind of star sensor digital signal detection circuit system |
| CN110632623A (en) * | 2019-10-25 | 2019-12-31 | 山东华宇航天空间技术有限公司 | Whole-satellite automatic testing system |
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| CN100573088C (en) * | 2008-01-30 | 2009-12-23 | 北京航空航天大学 | Inject the star sensor function test method and the device of star chart based on electricity |
| CN101699222A (en) * | 2009-11-02 | 2010-04-28 | 中国人民解放军国防科学技术大学 | Star sensor calibrator and method for calibrating high-precision star sensor |
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2010
- 2010-08-17 CN CN2010102549640A patent/CN102374870A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100573088C (en) * | 2008-01-30 | 2009-12-23 | 北京航空航天大学 | Inject the star sensor function test method and the device of star chart based on electricity |
| CN101699222A (en) * | 2009-11-02 | 2010-04-28 | 中国人民解放军国防科学技术大学 | Star sensor calibrator and method for calibrating high-precision star sensor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404001A (en) * | 2016-10-31 | 2017-02-15 | 上海航天控制技术研究所 | Precision installation alignment device for star sensor and dynamic photostar simulator and testing method |
| CN106404001B (en) * | 2016-10-31 | 2019-05-28 | 上海航天控制技术研究所 | Star sensor and dynamic optical star simulator precision installation alignment device and test method |
| CN109212343A (en) * | 2018-08-08 | 2019-01-15 | 上海航天控制技术研究所 | A kind of star sensor digital signal detection circuit system |
| CN110632623A (en) * | 2019-10-25 | 2019-12-31 | 山东华宇航天空间技术有限公司 | Whole-satellite automatic testing system |
| CN110632623B (en) * | 2019-10-25 | 2023-06-30 | 山东华宇航天空间技术有限公司 | Whole-satellite automatic test system |
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Application publication date: 20120314 |