CN103488167A - Whole-spacecraft test system and test method for remote sensing satellite temperature controller - Google Patents
Whole-spacecraft test system and test method for remote sensing satellite temperature controller Download PDFInfo
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- CN103488167A CN103488167A CN201310446477.8A CN201310446477A CN103488167A CN 103488167 A CN103488167 A CN 103488167A CN 201310446477 A CN201310446477 A CN 201310446477A CN 103488167 A CN103488167 A CN 103488167A
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Abstract
The invention discloses a whole-spacecraft test system and test method for a remote sensing satellite temperature controller. The test system is composed of a temperature control computer, a telemetry data processing computer, a remote control telemetry responder, a remote control processing unit and a central processing unit. The components of the system are simple, control over temperature control loops is achieved by sending a remote control signal to the temperature controller, special ground test devices do not need to be developed, operations near a spacecraft are reduced, a multi-path test can be achieved, interpretation on each temperature control loop can be achieved by processing the remote control signal, and then the test efficiency is improved. According to the test method, by changing the upper limit and the lower limit of a temperature control threshold value, the temperature control threshold value regulation function and the automatic temperature control function of a heater are verified, and test time is shortened.
Description
Technical field
The present invention relates to a kind of test macro, relate in particular to a kind of remote sensing satellite temperature controller test macro and method of testing, be mainly used in the integration test of whole galaxy irrespective of size, belong to technical field of measurement and test.
Background technology
Thermal control subsystem is the important subsystem of satellite, and by initiatively and the passive inside and outside environment heat interchange of control satellite, the temperature and other index of correlation that make satellite and be arranged on the product on satellite meet manufacture claim.The thermal control subsystem temperature controller is the active temperature controlling instruments of satellite, mainly complete satellite fuel tank, fuel conduit, accumulator and need the temperature of the equipment (for example optical camera and structure, rotatable parts) of precision temperature control to control, in the floor synthetic test, function and the performance of the thermal control subsystem temperature controller of need to making strict assessment.As shown in Figure 1, existing method of testing be will be specially the testing apparatus of development be connected in series on star heating circuit on temperature control thermistor loop and star, utilize resistor network, adjust the thermistor resistance, simulation control temperature, checking temperature control threshold value autonomous management function, check that temperature control threshold value bound is revised and the inspection of measuring accuracy, utilize the Hall current measuring element to carry out the current measurement of heating circuit, check the integrality of heating circuit, avoid loop short circuit and the abnormal conditions that open circuit to occur.Owing to amounting to roads up to a hundred heating circuit on star, single only can be measured 20 heating circuits, needs so whole star outage, and repeatedly plug on different stars is changed in plug, completes all loops and measures, and the test duration is long, and efficiency is low.In addition, because the TH Temperature Quantity belongs to gradual amount remote measurement, on star, general the employing given tacit consent to the remote measurement fixed cycle, passes speed under remote measurement slow, waits for that the remote measurement criterion time is long.
Summary of the invention
Technical matters to be solved by this invention is: overcome the deficiencies in the prior art, the whole star test macro of a kind of remote sensing satellite temperature controller and method of testing are provided, this system forms simple, and testing efficiency is high, and this method of testing versatility is good, has shortened the test duration.
Technical scheme of the present invention is: the whole star test macro of a kind of remote sensing satellite temperature controller, by the temperature control computing machine, the Telemetering Data Processing computing machine, the remote-control romote-sensing answering machine, remote processing unit and CPU (central processing unit) form, the temperature control computing machine sends the temperature controller temperature control signals, temperature control signals is forwarded to the remote processing unit by the remote-control romote-sensing answering machine, the remote processing unit is processed into temperature control instruction by temperature control signals, temperature control instruction becomes the receivable steering order of temperature controller by central processing unit for processing, this steering order is sent to temperature controller by 1553B, temperature controller is heated to corresponding well heater according to steering order, thermistor is sent to the temperature information of each well heater temperature controller and converts telesignalisation to by temperature controller and sends, telesignalisation feeds back to CPU (central processing unit) by the 1553B bus, CPU (central processing unit) is resolved telesignalisation, telesignalisation after parsing transfers to the Telemetering Data Processing computing machine through the remote-control romote-sensing answering machine, the Telemetering Data Processing computing machine is processed the telesignalisation after resolving, obtain the temperature control situation of temperature controller to each well heater.
A kind of method of testing of utilizing the whole star test macro of remote sensing satellite temperature controller, step is as follows:
(1) temperature controller powers up and makes temperature controller in autonomous temperature control enable state;
(2) the temperature control computer remote control is sent out temperature control signals, and making temperature controller in autonomous temperature control illegal state by the temperature control circuits formed by temperature control computing machine, remote-control romote-sensing answering machine, remote control unit, CPU (central processing unit), temperature controller and well heater, temperature controller disconnects institute's having heaters;
(3) after temperature controller powers up 30 minutes, the temperature information that thermistor records is transmitted back to the Telemetering Data Processing computing machine by the thermometric circuit be comprised of thermistor, temperature controller, CPU (central processing unit), remote-control romote-sensing answering machine and Telemetering Data Processing computing machine, and the temperature value Ts of each well heater is processed and recorded to the Telemetering Data Processing computing machine
1, Ts
2, Ts
3ts
i, the number that wherein i is well heater;
(4) in the time of in be stabilized in ± 0.2 ℃ of scope of the temperature value when institute's having heaters, temperature control computer installation temperature is controlled threshold value, its scope is (Td=Tsi+2 ℃, Tu=Tsi+5 ℃), temperature control computer control temperature controller is in autonomous temperature control enable state, and this temperature control threshold value (Td=Tsi+2 ℃, Tu=Tsi+5 ℃) is sent to temperature controller as temperature control instruction;
(5) when the environment temperature in satellite is controlled Td=Tsi+2 ℃ of threshold value lower limit lower than temperature, temperature controller is independently connected well heater, and when the environment temperature in satellite is controlled Tu=Tsi+5 ℃ of upper threshold higher than temperature, temperature controller independently disconnects well heater;
(6) the temperature control computing machine resets temperature and controls upper threshold Tu=Ts
i+ 8 ℃, the temperature control computing machine is controlled upper threshold Tu=Ts by temperature
i+ 8 ℃ are sent to temperature controller as temperature control instruction;
(7) when all heater status are on-state and do not reach temperature and control upper threshold Tu=Ts
i+ 8 ℃, the time, the temperature control computing machine resets under temperature control threshold value and is limited to Td=Ts
i-3 ℃, it is Tu=Ts that temperature is controlled upper threshold
i-1, and this temperature is controlled to threshold value (Td=Ts
i-3 ℃, Tu=Ts
i-1) be sent to temperature controller as temperature control instruction, the environment temperature in satellite is controlled upper threshold Tu=Ts higher than temperature
i-1 o'clock, temperature controller independently disconnected institute's having heaters;
(8) complete test, the temperature control computer remote control is sent out temperature control signals makes temperature controller in autonomous temperature control illegal state.
The present invention's beneficial effect compared with prior art is: the test macro of the present invention's design is comprised of temperature control computing machine, Telemetering Data Processing computing machine, remote-control romote-sensing answering machine, remote processing unit and CPU (central processing unit), system forms simple, realized the control to the temperature control loop by temperature controller, sending remote signal, without development dedicated ground testing apparatus, reduce the other operation of star, can realize the test of multichannel, by telesignalisation being processed to the interpretation realized each control loop, thereby improved testing efficiency.This method of testing, by changing temperature control threshold value bound, has been verified well heater temperature control threshold value adjustment function and autonomous temperature controlling function, has shortened the test duration.
The accompanying drawing explanation
Fig. 1 is the connection diagram of existing testing apparatus and temperature controller;
The theory of constitution figure that Fig. 2 is test macro of the present invention;
The test flow chart that Fig. 3 is method of testing of the present invention.
Embodiment
Channel Access Data Unit unit (CADU) form that Satellite TT channel telemetry frame adopts CCSDS AOS to recommend, satellite is encapsulated as remote measurement source bag E-PDU by each subsystem telemetry parameter.Satellite adopts the full DC bus system of regulating, and two buses, consists of, and on every bus, a sun wing of configuration, two buses power to the load after the parallel connection of power supply distributor.Under normal operating conditions, whole star electric current is ± Y bus current summation that when well heater is connected, the remote measurement of ± Y bus current is sampled successively, alternately changes and is difficult for judgement.Under satellite single busbar duty, bus current is the single busbar electric current, and remote measurement is stable.
As shown in Figure 2, test macro of the present invention is by the temperature control computing machine, the Telemetering Data Processing computing machine, the remote-control romote-sensing answering machine, remote processing unit and CPU (central processing unit) form, the temperature control computing machine sends the temperature controller temperature control signals, temperature control signals is forwarded to the remote processing unit by the remote-control romote-sensing answering machine, the remote processing unit is processed into temperature control instruction by temperature control signals, temperature control instruction becomes the receivable steering order of temperature controller by central processing unit for processing, this steering order is sent to temperature controller by 1553B, temperature controller is heated to corresponding well heater according to steering order, thermistor is sent to the temperature information of each well heater temperature controller and converts telesignalisation to by temperature controller and sends, telesignalisation feeds back to CPU (central processing unit) by the 1553B bus, CPU (central processing unit) is resolved telesignalisation, telesignalisation after parsing transfers to the Telemetering Data Processing computing machine through the remote-control romote-sensing answering machine, the Telemetering Data Processing computing machine is processed the telesignalisation after resolving, obtain the temperature control situation of temperature controller to each well heater.The temperature control threshold value comprises upper and lower bound, be that environment temperature is lower than prescribing a time limit under the temperature control threshold value, well heater is independently connected, temperature continue to rise until the temperature control upper threshold, and well heater independently disconnects, and this state is that the temperature controller switch is controlled, if environment temperature is in threshold range, temperature controller carries out proportional control, and, in a control cycle, well heater is for being switched on or switched off state.
As shown in Figure 3, method of testing step of the present invention is as follows:
(1) temperature controller powers up and makes temperature controller in autonomous temperature control enable state;
(2) the temperature control computer remote control is sent out temperature control signals, and making temperature controller in autonomous temperature control illegal state by the temperature control circuits formed by temperature control computing machine, remote-control romote-sensing answering machine, remote control unit, CPU (central processing unit), temperature controller and well heater, temperature controller disconnects institute's having heaters;
(3) after temperature controller powers up 30 minutes, the temperature information that thermistor records is transmitted back to the Telemetering Data Processing computing machine by the thermometric circuit be comprised of thermistor, temperature controller, CPU (central processing unit), remote-control romote-sensing answering machine and Telemetering Data Processing computing machine, and the temperature value Ts of each well heater is processed and recorded to the Telemetering Data Processing computing machine
1, Ts
2, Ts
3ts
i, the number that wherein i is well heater;
(4) in the time of in be stabilized in ± 0.2 ℃ of scope of the temperature value when institute's having heaters, temperature control computer installation temperature is controlled threshold value, its scope is (Td=Tsi+2 ℃, Tu=Tsi+5 ℃), temperature control computer control temperature controller is in autonomous temperature control enable state, and this temperature control threshold value (Td=Tsi+2 ℃, Tu=Tsi+5 ℃) is sent to temperature controller as temperature control instruction;
(5) when the environment temperature in satellite is controlled Td=Tsi+2 ℃ of threshold value lower limit lower than temperature, temperature controller is independently connected well heater, and when the environment temperature in satellite is controlled Tu=Tsi+5 ℃ of upper threshold higher than temperature, temperature controller independently disconnects well heater;
(6) the temperature control computing machine resets temperature and controls upper threshold Tu=Ts
i+ 8 ℃, the temperature control computing machine is controlled upper threshold Tu=Ts by temperature
i+ 8 ℃ are sent to temperature controller as temperature control instruction;
(7) when all heater status are on-state and do not reach temperature and control upper threshold Tu=Ts
i+ 8 ℃, the time, the temperature control computing machine resets under temperature control threshold value and is limited to Td=Ts
i-3 ℃, it is Tu=Ts that temperature is controlled upper threshold
i-1, and this temperature is controlled to threshold value (Td=Ts
i-3 ℃, Tu=Ts
i-1) be sent to temperature controller as temperature control instruction, the environment temperature in satellite is controlled upper threshold Tu=Ts higher than temperature
i-1 o'clock, temperature controller independently disconnected institute's having heaters;
(8) complete test, the temperature control computer remote control is sent out temperature control signals makes temperature controller in autonomous temperature control illegal state.
This test process, by changing temperature control threshold value bound, has been verified well heater temperature control threshold value adjustment function and autonomous temperature controlling function.
The part that the present invention does not elaborate belongs to techniques well known.
Claims (2)
1. the whole star test macro of remote sensing satellite temperature controller, it is characterized in that: by the temperature control computing machine, the Telemetering Data Processing computing machine, the remote-control romote-sensing answering machine, remote processing unit and CPU (central processing unit) form, the temperature control computing machine sends the temperature controller temperature control signals, temperature control signals is forwarded to the remote processing unit by the remote-control romote-sensing answering machine, the remote processing unit is processed into temperature control instruction by temperature control signals, temperature control instruction becomes the receivable steering order of temperature controller by central processing unit for processing, this steering order is sent to temperature controller by 1553B, temperature controller is heated to corresponding well heater according to steering order, thermistor is sent to the temperature information of each well heater temperature controller and converts telesignalisation to by temperature controller and sends, telesignalisation feeds back to CPU (central processing unit) by the 1553B bus, CPU (central processing unit) is resolved telesignalisation, telesignalisation after parsing transfers to the Telemetering Data Processing computing machine through the remote-control romote-sensing answering machine, the Telemetering Data Processing computing machine is processed the telesignalisation after resolving, obtain the temperature control situation of temperature controller to each well heater.
2. a method of testing of utilizing the whole star test macro of remote sensing satellite temperature controller is characterized in that step is as follows:
(1) temperature controller powers up and makes temperature controller in autonomous temperature control enable state;
(2) the temperature control computer remote control is sent out temperature control signals, and making temperature controller in autonomous temperature control illegal state by the temperature control circuits formed by temperature control computing machine, remote-control romote-sensing answering machine, remote control unit, CPU (central processing unit), temperature controller and well heater, temperature controller disconnects institute's having heaters;
(3) after temperature controller powers up 30 minutes, the temperature information that thermistor records is transmitted back to the Telemetering Data Processing computing machine by the thermometric circuit be comprised of thermistor, temperature controller, CPU (central processing unit), remote-control romote-sensing answering machine and Telemetering Data Processing computing machine, and the temperature value Ts of each well heater is processed and recorded to the Telemetering Data Processing computing machine
1, Ts
2, Ts
3ts
i, the number that wherein i is well heater;
(4) in the time of in be stabilized in ± 0.2 ℃ of scope of the temperature value when institute's having heaters, temperature control computer installation temperature is controlled threshold value, its scope is (Td=Tsi+2 ℃, Tu=Tsi+5 ℃), temperature control computer control temperature controller is in autonomous temperature control enable state, and this temperature control threshold value (Td=Tsi+2 ℃, Tu=Tsi+5 ℃) is sent to temperature controller as temperature control instruction;
(5) when the environment temperature in satellite is controlled Td=Tsi+2 ℃ of threshold value lower limit lower than temperature, temperature controller is independently connected well heater, and when the environment temperature in satellite is controlled Tu=Tsi+5 ℃ of upper threshold higher than temperature, temperature controller independently disconnects well heater;
(6) the temperature control computing machine resets temperature and controls upper threshold Tu=Ts
i+ 8 ℃, the temperature control computing machine is controlled upper threshold Tu=Ts by temperature
i+ 8 ℃ are sent to temperature controller as temperature control instruction;
(7) when all heater status are on-state and do not reach temperature and control upper threshold Tu=Ts
i+ 8 ℃, the time, the temperature control computing machine resets under temperature control threshold value and is limited to Td=Ts
i-3 ℃, it is Tu=Ts that temperature is controlled upper threshold
i-1, and this temperature is controlled to threshold value (Td=Ts
i-3 ℃, Tu=Ts
i-1) be sent to temperature controller as temperature control instruction, the environment temperature in satellite is controlled upper threshold Tu=Ts higher than temperature
i-1 o'clock, temperature controller independently disconnected institute's having heaters;
(8) complete test, the temperature control computer remote control is sent out temperature control signals makes temperature controller in autonomous temperature control illegal state.
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Cited By (6)
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| CN109856995A (en) * | 2019-03-04 | 2019-06-07 | 北京空间飞行器总体设计部 | A kind of whole star control subsystem analog platform towards test method verifying assessment |
| CN110018679A (en) * | 2019-04-11 | 2019-07-16 | 上海卫星工程研究所 | The autonomous temperature control system closed loop test system of spacecraft and test method |
| CN111796304A (en) * | 2020-06-24 | 2020-10-20 | 深圳航天东方红海特卫星有限公司 | Universal serial port tester for microsatellite |
| CN112213576A (en) * | 2020-09-11 | 2021-01-12 | 北京空间飞行器总体设计部 | Polarity test method for electric heater for spacecraft |
| CN112527029A (en) * | 2020-12-07 | 2021-03-19 | 上海卫星工程研究所 | Wireless passive temperature control system applied to satellite thermal control system |
| CN116820073A (en) * | 2023-08-30 | 2023-09-29 | 北京国电高科科技有限公司 | Test system, method, electronic device and storage medium |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856995A (en) * | 2019-03-04 | 2019-06-07 | 北京空间飞行器总体设计部 | A kind of whole star control subsystem analog platform towards test method verifying assessment |
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| CN112527029B (en) * | 2020-12-07 | 2022-03-18 | 上海卫星工程研究所 | Wireless passive temperature control system applied to satellite thermal control system |
| CN116820073A (en) * | 2023-08-30 | 2023-09-29 | 北京国电高科科技有限公司 | Test system, method, electronic device and storage medium |
| CN116820073B (en) * | 2023-08-30 | 2023-11-14 | 北京国电高科科技有限公司 | Test system, method, electronic device and storage medium |
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