CN103488167B - The whole star method of testing of a kind of remote sensing satellite temperature controller - Google Patents
The whole star method of testing of a kind of remote sensing satellite temperature controller Download PDFInfo
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- CN103488167B CN103488167B CN201310446477.8A CN201310446477A CN103488167B CN 103488167 B CN103488167 B CN 103488167B CN 201310446477 A CN201310446477 A CN 201310446477A CN 103488167 B CN103488167 B CN 103488167B
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Abstract
The invention discloses a kind of remote sensing satellite temperature controller method of testing, the test macro of the present invention's design is made up 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 composition is simple, by achieving the control to temperature control loop to temperature controller transmission remote signal, without the need to developing dedicated ground testing apparatus, reduce the operation that star is other, the test of multichannel can be realized, by carrying out telesignalisation processing the interpretation realized each control loop, thus improve testing efficiency.This method of testing, by changing temperature control threshold value bound, demonstrates well heater temperature control adjusting thresholds function and autonomous temperature controlling function, shortens the test duration.
Description
Technical field
The present invention relates to a kind of test macro, particularly relate 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, by initiatively and the passive inside and outside environment heat interchange of control satellite, makes satellite and is arranged on the temperature of the product on satellite and other index of correlation meets manufacture claim.Thermal control subsystem temperature controller is the active temperature control equipment of satellite, mainly complete satellite fuel tank, fuel conduit, accumulator and need the temperature of the equipment (such as optical camera and structure, rotatable parts) of precision temperature control to control, in floor synthetic test, the function of the thermal control subsystem temperature controller that needs to make strict assessment and performance.As shown in Figure 1, existing method of testing the testing apparatus developed specially to be connected in series on star heating circuit on temperature control thermistor loop and star, utilize resistor network, adjustment thermistor resistance, simulation control temperature, checking temperature control threshold value autonomous management function, check the inspection of the amendment of temperature control threshold value bound and measuring accuracy, utilize Hall current measuring element to carry out the current measurement of heating circuit, check the integrality of heating circuit, avoid loop to occur the abnormal conditions of short circuit and open circuit.Due to star amounting to roads up to a hundred heating circuit, single only can measure 20 heating circuits, needs whole star power-off like this, and repeatedly plug on different stars is changed in plug, and complete all loops and measure, the test duration is long, and efficiency is low.In addition, because TH Temperature Quantity belongs to gradual amount remote measurement, on star, general employing gives tacit consent to the remote measurement fixed cycle, passes speed slow under remote measurement, 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, provides the whole star test macro of a kind of remote sensing satellite temperature controller and method of testing, and this system composition is simple, and testing efficiency is high, and this method of testing versatility is good, shortens 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 temperature control computing machine, Telemetering Data Processing computing machine, remote-control romote-sensing answering machine, remote processing unit and CPU (central processing unit) composition, temperature control computing machine sends temperature controller temperature control signals, temperature control signals is forwarded to remote processing unit by remote-control romote-sensing answering machine, temperature control signals is processed into temperature control instruction by remote processing unit, 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, the temperature information of each well heater is sent to temperature controller and converts telesignalisation to by temperature controller and sends by thermistor, telesignalisation passes through 1553B bus feedback to CPU (central processing unit), CPU (central processing unit) is resolved telesignalisation, telesignalisation after parsing transfers to Telemetering Data Processing computing machine through remote-control romote-sensing answering machine, Telemetering Data Processing computing machine processes the telesignalisation after parsing, obtain the temperature control situation of temperature controller to each well heater.
Utilize a method of testing for the whole star test macro of remote sensing satellite temperature controller, step is as follows:
(1) temperature controller powers up and makes temperature controller be in autonomous temperature control enable state;
(2) temperature control computer remote control sends out temperature control signals, and making temperature controller be in autonomous temperature control illegal state by the temperature control circuits be made up of temperature control computing machine, remote-control romote-sensing answering machine, remote control unit, CPU (central processing unit), temperature controller and well heater, institute's having heaters disconnects by temperature controller;
(3) after temperature controller powers up 30 minutes, the temperature information that thermistor records is transmitted back to Telemetering Data Processing computing machine by the thermometric circuit be made up of thermistor, temperature controller, CPU (central processing unit), remote-control romote-sensing answering machine and Telemetering Data Processing computing machine, and Telemetering Data Processing computer disposal also records the temperature value Ts of each well heater
1, Ts
2, Ts
3ts
i, wherein i is the number of well heater;
(4) when the temperature value of institute's having heaters be stabilized in ± 0.2 DEG C within the scope of time, temperature control computing machine set temperature controls threshold value, its scope is (Td=Tsi+2 DEG C, Tu=Tsi+5 DEG C), temperature control computing machine controls temperature controller and is in autonomous temperature control enable state, and this temperature control threshold (Td=Tsi+2 DEG C, Tu=Tsi+5 DEG C) is sent to temperature controller as temperature control instruction;
(5) when the environment temperature in satellite is lower than temperature control threshold lower limit Td=Tsi+2 DEG C, temperature controller independently connects well heater, and when the environment temperature in satellite is higher than temperature control threshold upper limit Tu=Tsi+5 DEG C, temperature controller independently disconnects well heater;
(6) temperature control computing machine resets temperature control threshold upper limit Tu=Ts
i+ 8 DEG C, temperature control computing machine is by temperature control threshold upper limit Tu=Ts
i+ 8 DEG C are sent to temperature controller as temperature control instruction;
(7) temperature control threshold upper limit Tu=Ts is not reached when all heater status are on-state
i+ 8 DEG C, time, it is Td=Ts that temperature control computing machine resets temperature control threshold lower limit
i-3 DEG C, the temperature control threshold upper limit is Tu=Ts
i-1, and by this temperature control threshold (Td=Ts
i-3 DEG C, Tu=Ts
i-1) temperature controller is sent to as temperature control instruction, when the environment temperature in satellite is higher than temperature control threshold upper limit Tu=Ts
iwhen-1, temperature controller independently disconnects institute's having heaters;
(8) complete test, temperature control computer remote control sends out temperature control signals makes temperature controller be in autonomous temperature control illegal state.
The present invention's beneficial effect is compared with prior art: the test macro of the present invention's design is made up 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 composition is simple, by achieving the control to temperature control loop to temperature controller transmission remote signal, without the need to developing dedicated ground testing apparatus, reduce the operation that star is other, the test of multichannel can be realized, by carrying out telesignalisation processing the interpretation realized each control loop, thus improve testing efficiency.This method of testing, by changing temperature control threshold value bound, demonstrates well heater temperature control adjusting thresholds function and autonomous temperature controlling function, shortens the test duration.
Accompanying drawing explanation
Fig. 1 is the connection diagram of existing testing apparatus and temperature controller;
Fig. 2 is the theory of constitution figure of test macro of the present invention;
Fig. 3 is the test flow chart of method of testing of the present invention.
Embodiment
Channel Access Data Unit unit (CADU) form that Satellite TT channel telemetry frame adopts CCSDSAOS to recommend, each subsystem telemetry parameter is encapsulated as remote measurement source bag E-PDU by satellite.Satellite adopts and entirely regulates DC bus system, is made up of two buses, every bar bus configures solar wing, two buses and powers to the load after the parallel connection of electrical power distribution device.Under normal operating conditions, whole star electric current is ± Y bus current summation, and when well heater is connected, the remote measurement of ± Y bus current is sampled successively, and alternately change not easily judges.Under satellite single busbar duty, bus current is single busbar electric current, and remote measurement is stablized.
As shown in Figure 2, test macro of the present invention is by temperature control computing machine, Telemetering Data Processing computing machine, remote-control romote-sensing answering machine, remote processing unit and CPU (central processing unit) composition, temperature control computing machine sends temperature controller temperature control signals, temperature control signals is forwarded to remote processing unit by remote-control romote-sensing answering machine, temperature control signals is processed into temperature control instruction by remote processing unit, 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, the temperature information of each well heater is sent to temperature controller and converts telesignalisation to by temperature controller and sends by thermistor, telesignalisation passes through 1553B bus feedback to CPU (central processing unit), CPU (central processing unit) is resolved telesignalisation, telesignalisation after parsing transfers to Telemetering Data Processing computing machine through remote-control romote-sensing answering machine, Telemetering Data Processing computing machine processes the telesignalisation after parsing, obtain the temperature control situation of temperature controller to each well heater.Temperature control threshold value comprises upper and lower bound, namely when environment temperature is lower than temperature control bottom threshold, well heater is independently connected, constant temperature rises until temperature control upper threshold, and well heater independently disconnects, and this state is temperature controller switch control rule, if environment temperature is in threshold range, temperature controller carries out ratio control, and namely 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 be in autonomous temperature control enable state;
(2) temperature control computer remote control sends out temperature control signals, and making temperature controller be in autonomous temperature control illegal state by the temperature control circuits be made up of temperature control computing machine, remote-control romote-sensing answering machine, remote control unit, CPU (central processing unit), temperature controller and well heater, institute's having heaters disconnects by temperature controller;
(3) after temperature controller powers up 30 minutes, the temperature information that thermistor records is transmitted back to Telemetering Data Processing computing machine by the thermometric circuit be made up of thermistor, temperature controller, CPU (central processing unit), remote-control romote-sensing answering machine and Telemetering Data Processing computing machine, and Telemetering Data Processing computer disposal also records the temperature value Ts of each well heater
1, Ts
2, Ts
3ts
i, wherein i is the number of well heater;
(4) when the temperature value of institute's having heaters be stabilized in ± 0.2 DEG C within the scope of time, temperature control computing machine set temperature controls threshold value, its scope is (Td=Tsi+2 DEG C, Tu=Tsi+5 DEG C), temperature control computing machine controls temperature controller and is in autonomous temperature control enable state, and this temperature control threshold (Td=Tsi+2 DEG C, Tu=Tsi+5 DEG C) is sent to temperature controller as temperature control instruction;
(5) when the environment temperature in satellite is lower than temperature control threshold lower limit Td=Tsi+2 DEG C, temperature controller independently connects well heater, and when the environment temperature in satellite is higher than temperature control threshold upper limit Tu=Tsi+5 DEG C, temperature controller independently disconnects well heater;
(6) temperature control computing machine resets temperature control threshold upper limit Tu=Ts
i+ 8 DEG C, temperature control computing machine is by temperature control threshold upper limit Tu=Ts
i+ 8 DEG C are sent to temperature controller as temperature control instruction;
(7) temperature control threshold upper limit Tu=Ts is not reached when all heater status are on-state
i+ 8 DEG C, time, it is Td=Ts that temperature control computing machine resets temperature control threshold lower limit
i-3 DEG C, the temperature control threshold upper limit is Tu=Ts
i-1, and by this temperature control threshold (Td=Ts
i-3 DEG C, Tu=Ts
i-1) temperature controller is sent to as temperature control instruction, when the environment temperature in satellite is higher than temperature control threshold upper limit Tu=Ts
iwhen-1, temperature controller independently disconnects institute's having heaters;
(8) complete test, temperature control computer remote control sends out temperature control signals makes temperature controller be in autonomous temperature control illegal state.
This test process, by changing temperature control threshold value bound, demonstrates well heater temperature control adjusting thresholds function and autonomous temperature controlling function.
The part that the present invention does not elaborate belongs to techniques well known.
Claims (1)
1. the whole star method of testing of remote sensing satellite temperature controller, is characterized in that:
(1) test macro be made up of temperature control computing machine, Telemetering Data Processing computing machine, remote-control romote-sensing answering machine, remote processing unit and CPU (central processing unit) is set up;
(2) temperature controller powers up and makes temperature controller be in autonomous temperature control enable state;
(3) temperature control computer remote control sends out temperature control signals, and making temperature controller be in autonomous temperature control illegal state by the temperature control circuits be made up of temperature control computing machine, remote-control romote-sensing answering machine, remote processing unit, CPU (central processing unit), temperature controller and well heater, institute's having heaters disconnects by temperature controller;
(4) after temperature controller powers up 30 minutes, the temperature information that thermistor records is transmitted back to Telemetering Data Processing computing machine by the thermometric circuit be made up of thermistor, temperature controller, CPU (central processing unit), remote-control romote-sensing answering machine and Telemetering Data Processing computing machine, and Telemetering Data Processing computer disposal also records the temperature value Ts of each well heater
1, Ts
2, Ts
3ts
i, wherein i is the number of well heater;
(5) when the temperature value of institute's having heaters be stabilized in ± 0.2 DEG C within the scope of time, temperature control computing machine set temperature controls threshold value, its scope is (Td=Tsi+2 DEG C, Tu=Tsi+5 DEG C), temperature control computing machine controls temperature controller and is in autonomous temperature control enable state, and this temperature control threshold (Td=Tsi+2 DEG C, Tu=Tsi+5 DEG C) is sent to temperature controller as temperature control instruction;
(6) when the environment temperature in satellite is lower than temperature control threshold lower limit Td=Tsi+2 DEG C, temperature controller independently connects well heater, and when the environment temperature in satellite is higher than temperature control threshold upper limit Tu=Tsi+5 DEG C, temperature controller independently disconnects well heater;
(7) temperature control computing machine resets temperature control threshold upper limit Tu=Ts
i+ 8 DEG C, temperature control computing machine is by temperature control threshold upper limit Tu=Ts
i+ 8 DEG C are sent to temperature controller as temperature control instruction;
(8) temperature control threshold upper limit Tu=Ts is not reached when all heater status are on-state
iwhen+8 DEG C, it is Td=Ts that temperature control computing machine resets temperature control threshold lower limit
i-3 DEG C, the temperature control threshold upper limit is Tu=Ts
i-1 DEG C, and by this temperature control threshold (Td=Ts
i-3 DEG C, Tu=Ts
i-1 DEG C) be sent to temperature controller as temperature control instruction, when the environment temperature in satellite is higher than temperature control threshold upper limit Tu=Ts
iwhen-1 DEG C, temperature controller independently disconnects institute's having heaters;
(9) complete test, temperature control computer remote control sends out temperature control signals makes temperature controller be in autonomous temperature control illegal state.
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109856995B (en) * | 2019-03-04 | 2021-12-07 | 北京空间飞行器总体设计部 | Whole-satellite control subsystem simulation platform for test method verification and evaluation |
| CN110018679B (en) * | 2019-04-11 | 2020-07-14 | 上海卫星工程研究所 | Closed-loop test system and test method for spacecraft autonomous temperature control system |
| 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 |
| CN112213576B (en) * | 2020-09-11 | 2024-03-26 | 北京空间飞行器总体设计部 | Polarity testing method of electric heater for spacecraft |
| 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 |
| 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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