CN103576669A - Remote control instruction traversal test device and traversal method thereof - Google Patents
Remote control instruction traversal test device and traversal method thereof Download PDFInfo
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- CN103576669A CN103576669A CN201210274782.9A CN201210274782A CN103576669A CN 103576669 A CN103576669 A CN 103576669A CN 201210274782 A CN201210274782 A CN 201210274782A CN 103576669 A CN103576669 A CN 103576669A
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Abstract
The invention discloses a remote control instruction traversal test device which comprises a remote control demodulator, a logic analyzing instrument, an oscilloscope, a direct current power supply, a digital multimeter, a remote control comprehensive test device, a remote control instruction detecting device, a first remote control instruction decoding unit and a second remote control instruction decoding unit, wherein the direct current power supply, the digital multimeter, the remote control comprehensive test device, the remote control instruction detecting device, the first remote control instruction decoding unit and the second remote control instruction decoding unit are connected with the remote control demodulator. The logic analyzing instrument and the oscilloscope are connected with the remote control instruction detecting device respectively. The first remote control instruction decoding unit and the second remote control instruction decoding unit are connected with the remote control instruction detecting device respectively. The remote control instruction traversal test device can meet the coverage requirement of an instruction traversal test. Meanwhile, the invention further discloses a remote control instruction traversal test method. As multiple instructions are sequentially tested and triggering conditions of the logic analyzing instrument are reasonably set, the coverage requirement of the instruction traversal test can be met.
Description
Technical field
The present invention relates to field of aerospace technology, relate in particular to a kind of telecommand traversal testing apparatus and traversal method of testing thereof.
Background technology
Highly reliable remote control equipment major function has been the injection of ground remote control instruction and spacecraft service data, by ground control, is controlled the operation of spacecraft and is returned.The reliability service of remote control equipment, is directly connected to the success or failure of spacecraft flight task and spacefarer's life security.
Because remote control equipment instruction is many, test one by one time and effort consuming, the interim remote control equipment instruction testing of XX airship model one is all taked to extract test, randomly draws part instruction, and its function, performance index are tested.This kind of method of testing can not guarantee that all command functions, performance are normal.
From XX airship model second phase Product Acceptance Review, totally strict many to the requirement contrast XX airship model first phase of command function test, in acceptance requirement, special proposition need be carried out the test of telecommand traversal, for this requirement, must formulate complete method of testing, guarantee to meet the spreadability requirement of instruction traversal test.
Therefore, be necessary to provide a kind of new instruction testing method, to meet the requirement of instruction traversal test.
Summary of the invention
The object of the present invention is to provide a kind of telecommand traversal testing apparatus and traversal method thereof, to meet the spreadability requirement of instruction traversal test.
For addressing the above problem, the present invention proposes a kind of telecommand traversal testing apparatus, for remote control equipment being carried out to the test of instruction traversal, comprise remote control detuner, logic analyser, oscillograph, and the direct supply being connected with described remote control detuner respectively, digital multimeter, remote-control integrated testing apparatus, telecommand checkout equipment, the first telecommand decoding unit and the second telecommand decoding unit; Wherein, described logic analyser and described oscillograph are connected with described telecommand checkout equipment respectively, and described the first telecommand decoding unit and described the second telecommand decoding unit are connected with described telecommand checkout equipment respectively.
Optionally, the test of described instruction traversal comprises leakage current traversal test and the test of instruction interface burr traversal when the test of instruction output pulse width traversal, the test of instruction conducting collector voltage traversal, the test of command switch driving force traversal, command switch disconnect.
Meanwhile, for addressing the above problem, the present invention also proposes a kind of telecommand traversal method of testing, utilizes above-mentioned telecommand testing apparatus to carry out the test of instruction traversal to remote control equipment, and the method comprises the following steps: 1) traversal test instruction output pulse width; 2) traversal test instruction conducting collector voltage; 3) traversal test instruction switch drive ability; 4) leakage current when traversal test instruction switch disconnects; 5) traversal test instruction interface burr.
Above-mentioned telecommand traversal method of testing, wherein, the concrete steps of described traversal test instruction output pulse width are: connect telecommand checkout equipment and remote-control integrated testing apparatus, described remote-control integrated testing apparatus sends whole telecommands continuously according to the time interval arranging, from telecommand checkout equipment, observe order-driven situation, with oscillograph, test one by one pulse width the record of telecommand.
Above-mentioned telecommand traversal method of testing, wherein, the concrete steps of described traversal test instruction conducting collector voltage are: connect telecommand checkout equipment and remote-control integrated testing apparatus, described remote-control integrated testing apparatus sends whole telecommands continuously according to the time interval arranging, from telecommand checkout equipment, observe order-driven situation, with oscillograph, test one by one conducting collector voltage the record of telecommand.
Above-mentioned telecommand traversal method of testing, wherein, the concrete steps of described traversal test instruction switch drive ability are: in telecommand checkout equipment, be designed to 130 Ω pull-up resistors, test Shi Mei road instruction circuit use+27V operating voltage, while being order-driven, Absorption Current is 208mA, and command switch driving force is greater than 200mA; While sending instruction, observe command adapted thereto pilot lamp ，Deng Liangji presentation directives driven on telecommand checkout equipment, meet index request.
Above-mentioned telecommand traversal method of testing, wherein, when described traversal test instruction switch disconnects, the concrete steps of leakage current are: in instruction not under driving condition, after use+27V power series 100K Ω resistance, be connected to the instruction output interface of equipment under test, described equipment under test refers to remote control detuner, the first telecommand decoding unit or the second telecommand decoding unit, use multimeter to measure the voltage of 100K Ω resistance and equipment under test link, leakage current when computations switch disconnects, leakage current is less than 100uA and meets index request.
Above-mentioned telecommand traversal method of testing, wherein, described traversal test instruction interface burr comprises the following steps: a) logic analyser connects telecommand checkout equipment, and telecommand checkout equipment connects first via instruction and exports and connect and draw power supply; B) logic analyser trigger condition is set to first via input non-complete " 1 ", and the sampling period is set to 5ns; C) switching on and shutting down equipment repeatedly; D) send all telecommands 1 time, while only sending to the first via instruction of current connection, logic analyser triggers; And only have current transmission instruction for " 0 ", all the other order lines are " 1 "; When transmission instruction is not the first via instruction of current connection, logic analyser does not trigger; E) change telecommand socket, connect the second tunnel instruction output, repeat a) ~ d) step, until all instructions are all completed.
Above-mentioned telecommand traversal method of testing, wherein, the number Wei48 road instruction of described first via instruction, the number Wei48 road instruction of described the second tunnel instruction.
Compared with prior art, telecommand traversal testing apparatus provided by the invention comprises remote control detuner, logic analyser, oscillograph, and the direct supply being connected with described remote control detuner respectively, digital multimeter, remote-control integrated testing apparatus, telecommand checkout equipment, the first telecommand decoding unit and the second telecommand decoding unit; Described logic analyser and described oscillograph are connected with described telecommand checkout equipment respectively, and described the first telecommand decoding unit and described the second telecommand decoding unit are connected with described telecommand checkout equipment respectively; Telecommand traversal testing apparatus provided by the invention can meet the spreadability requirement of instruction traversal test; Simultaneously telecommand traversal method of testing provided by the invention by successively to multichannel instruction test, and the trigger condition of logic analyser is rationally set, thereby can meets the spreadability requirement of instruction traversal test.
Accompanying drawing explanation
The telecommand that Fig. 1 provides for the embodiment of the present invention travels through the integrated connection schematic diagram of testing apparatus;
Leakage current traversal test connection diagram when the command switch that Fig. 2 provides for the embodiment of the present invention disconnects;
The instruction interface burr test logic analyser demonstration schematic diagram that Fig. 3 provides for the embodiment of the present invention.
Embodiment
The telecommand traversal testing apparatus and the traversal method thereof that the present invention are proposed below in conjunction with the drawings and specific embodiments are described in further detail.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only for convenient, the object of the aid illustration embodiment of the present invention lucidly.
Core concept of the present invention is, a kind of telecommand traversal testing apparatus is provided, comprise remote control detuner, logic analyser, oscillograph, and the direct supply being connected with described remote control detuner respectively, digital multimeter, remote-control integrated testing apparatus, telecommand checkout equipment, the first telecommand decoding unit and the second telecommand decoding unit; Described logic analyser and described oscillograph are connected with described telecommand checkout equipment respectively, and described the first telecommand decoding unit and described the second telecommand decoding unit are connected with described telecommand checkout equipment respectively; Telecommand traversal testing apparatus provided by the invention can meet the spreadability requirement of instruction traversal test; Meanwhile, also provide a kind of telecommand traversal method of testing, by successively to multichannel instruction test, and the trigger condition of logic analyser is rationally set, thereby can meets the spreadability requirement of instruction traversal test.
Please refer to Fig. 1, the telecommand that Fig. 1 provides for the embodiment of the present invention travels through the integrated connection schematic diagram of testing apparatus, as shown in Figure 1, the telecommand traversal testing apparatus that the embodiment of the present invention provides, for remote control equipment being carried out to the test of instruction traversal, comprise remote control detuner 101, logic analyser 102, oscillograph 103, and the direct supply 104 being connected with described remote control detuner 101 respectively, digital multimeter 105, remote-control integrated testing apparatus 106, telecommand checkout equipment 107, the first telecommand decoding unit 108, and the second telecommand decoding unit 109, wherein, described logic analyser 102 and described oscillograph 103 are connected with described telecommand checkout equipment 107 respectively, and described the first telecommand decoding unit 108 and described the second telecommand decoding unit 109 are connected with described telecommand checkout equipment 107 respectively.
Further, the test of described instruction traversal comprises leakage current traversal test and the test of instruction interface burr traversal when the test of instruction output pulse width traversal, the test of instruction conducting collector voltage traversal, the test of command switch driving force traversal, command switch disconnect.
Below method of testing and the test request of above-mentioned these instruction traversal tests are described respectively:
1) instruction output pulse width method of testing
Connect telecommand checkout equipment 107 and remote-control integrated testing apparatus 106, remote-control integrated testing apparatus 106 sends whole telecommands.From telecommand checkout equipment 107, observe order-driven situation (during order-driven, pilot lamp is bright), with pulse width the record of oscillograph 103 test telecommands; Because the whole telecommands of spacecraft have hundreds of bar, for convenient test, send continuously after can the interval that send instruction being set by remote-control integrated testing apparatus 106, with oscillograph 103, test one by one.
2) instruction conducting collector voltage method of testing
Connect telecommand checkout equipment 107 and remote-control integrated testing apparatus 106, remote-control integrated testing apparatus 106 sends whole telecommands.From telecommand checkout equipment 107, observe order-driven situation (during order-driven, pilot lamp is bright), with conducting collector voltage the record of oscillograph 103 test telecommands; Because the whole telecommands of spacecraft have hundreds of bar, for convenient test, send continuously after can the interval that send instruction being set by remote-control integrated testing apparatus 106, with oscillograph, test one by one.And this test can merge test with above-mentioned command pulse width, improves testing efficiency.
3) command switch driving force method of testing
In telecommand checkout equipment 106, be designed to 130 Ω pull-up resistors, test Shi Mei road instruction circuit use+27V operating voltage, in the time of can calculating order-driven, Absorption Current is 208mA, can declarative instruction switch drive ability be greater than 200mA; When remote-control integrated testing apparatus 106 sends instruction, observe command adapted thereto pilot lamp ，Deng Liangji presentation directives driven on telecommand checkout equipment 107, meet index request; This test also can merge test with above-mentioned command pulse width, improves testing efficiency.
4) drain current test method when command switch disconnects
In instruction not under driving condition, after use+27V power series 100K Ω resistance, be connected to the instruction output interface of equipment under test, described equipment under test refers to remote control detuner 101, the first telecommand decoding unit 108 or the second telecommand decoding unit 109, use multimeter to measure the voltage of 100K Ω resistance and equipment under test link, leakage current=(27-V)/100K Ω when computations switch disconnects, leakage current is less than 100uA and meets index request.Its test connection diagram as shown in Figure 2.
5) instruction interface burr method of testing
Instruction interface burr test is the test request totally proposing after XX airship model the second stage of the project starts, particular content be power on and command reception implementation in, can not there is the abnormal output signals such as burr in telecommand executive signal output port.Explanation about burr abnormal occurrence please refer to Fig. 3, shows and only have 1 place for " 0 " in Fig. 3, indicates that instruction output is correctly without burr, if occurred, surpass situation that 1 place is " 0 " and show on other order lines jaggedly, and be abnormal occurrence.
According to general requirement, instruction interface burr method of testing must cover following 2 points:
(1) device power moment in drone, on telecommand output interface, must not there is burr or other abnormal output signals;
(2), after sending certain telecommand, this telecommand interface has driver output simultaneously, must not occur burr or other abnormal output signals on other any instruction interfaces.
Because the whole telecommands of spacecraft have hundreds of bar, if the method with conventional oscillograph test, permutation and combination is too much, meet every instruction of test coverage requirement test, process takes time and effort, almost be difficult to realize, obviously with oscillograph, complete this test and do not possessed test operability, thereby the present invention select logic analyser to test.
This instruction interface burr method of testing comprises the following steps:
A) logic analyser connects telecommand checkout equipment, and telecommand checkout equipment connects first via instruction and exports and connect and draw power supply;
B) logic analyser trigger condition is set to first via input non-complete " 1 ", and the sampling period is set to 5ns;
C) switching on and shutting down equipment repeatedly; Observe logic analyser, if it is not triggered, devices illustrated power on this first via instruction with power process without burr;
D) send all telecommands 1 time, while only sending to the first via instruction of current connection, logic analyser triggers; And only have current transmission instruction for " 0 ", all the other order lines are " 1 "; When transmission instruction is not the first via instruction of current connection, logic analyser does not trigger; When explanation sends other telecommand, this first via instruction is without burr;
E) change telecommand socket, connect the second tunnel instruction output, repeat a) ~ d) step, until all instructions are all completed.
Further, the number Wei48 road instruction of described first via instruction; State the number Wei48 road instruction of the second tunnel instruction.Certainly, should be realized that, the number of the number of described first via instruction and described second instruction can also be other numeral according to physical condition, such as 50 etc.
Further, on described, draw power supply to be+5V.
Further, the number of times of described switching on and shutting down equipment is 3 times.
In sum, the invention provides a kind of telecommand traversal testing apparatus, comprise remote control detuner, logic analyser, oscillograph, and the direct supply being connected with described remote control detuner respectively, digital multimeter, remote-control integrated testing apparatus, telecommand checkout equipment, the first telecommand decoding unit and the second telecommand decoding unit; Described logic analyser and described oscillograph are connected with described telecommand checkout equipment respectively, and described the first telecommand decoding unit and described the second telecommand decoding unit are connected with described telecommand checkout equipment respectively; Telecommand traversal testing apparatus provided by the invention can meet the spreadability requirement of instruction traversal test; Simultaneously the present invention also provides a kind of telecommand traversal method of testing, by successively to multichannel instruction test, and the trigger condition of logic analyser is rationally set, thereby can meets the spreadability requirement of instruction traversal test.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (9)
1. a telecommand travels through testing apparatus, for remote control equipment being carried out to the test of instruction traversal, it is characterized in that, comprise remote control detuner, logic analyser, oscillograph, and the direct supply being connected with described remote control detuner respectively, digital multimeter, remote-control integrated testing apparatus, telecommand checkout equipment, the first telecommand decoding unit and the second telecommand decoding unit; Wherein, described logic analyser and described oscillograph are connected with described telecommand checkout equipment respectively, and described the first telecommand decoding unit and described the second telecommand decoding unit are connected with described telecommand checkout equipment respectively.
2. telecommand as claimed in claim 1 travels through testing apparatus, it is characterized in that, the test of described instruction traversal comprises leakage current traversal test and the test of instruction interface burr traversal when the test of instruction output pulse width traversal, the test of instruction conducting collector voltage traversal, the test of command switch driving force traversal, command switch disconnect.
3. a telecommand traversal method of testing, utilizes telecommand testing apparatus as claimed in claim 1 or 2 to carry out the test of instruction traversal to remote control equipment, it is characterized in that, comprises the following steps:
1) traversal test instruction output pulse width;
2) traversal test instruction conducting collector voltage;
3) traversal test instruction switch drive ability;
4) leakage current when traversal test instruction switch disconnects;
5) traversal test instruction interface burr.
4. telecommand as claimed in claim 3 travels through method of testing, it is characterized in that, the concrete steps of described traversal test instruction output pulse width are: connect telecommand checkout equipment and remote-control integrated testing apparatus, described remote-control integrated testing apparatus sends whole telecommands continuously according to the time interval arranging, from telecommand checkout equipment, observe order-driven situation, with oscillograph, test one by one pulse width the record of telecommand.
5. telecommand as claimed in claim 3 travels through method of testing, it is characterized in that, the concrete steps of described traversal test instruction conducting collector voltage are: connect telecommand checkout equipment and remote-control integrated testing apparatus, described remote-control integrated testing apparatus sends whole telecommands continuously according to the time interval arranging, from telecommand checkout equipment, observe order-driven situation, with oscillograph, test one by one conducting collector voltage the record of telecommand.
6. telecommand as claimed in claim 3 travels through method of testing, it is characterized in that, the concrete steps of described traversal test instruction switch drive ability are: in telecommand checkout equipment, be designed to 130 Ω pull-up resistors, test Shi Mei road instruction circuit use+27V operating voltage, while being order-driven, Absorption Current is 208mA, and command switch driving force is greater than 200mA; While sending instruction, observe command adapted thereto pilot lamp ，Deng Liangji presentation directives driven on telecommand checkout equipment, meet index request.
7. telecommand as claimed in claim 3 travels through method of testing, it is characterized in that, when described traversal test instruction switch disconnects, the concrete steps of leakage current are: in instruction not under driving condition, after use+27V power series 100K Ω resistance, be connected to the instruction output interface of equipment under test, described equipment under test refers to remote control detuner, the first telecommand decoding unit or the second telecommand decoding unit, use multimeter to measure the voltage of 100K Ω resistance and equipment under test link, leakage current when computations switch disconnects, leakage current is less than 100uA and meets index request.
8. telecommand traversal method of testing as claimed in claim 3, is characterized in that, described traversal test instruction interface burr comprises the following steps:
A) logic analyser connects telecommand checkout equipment, and telecommand checkout equipment connects first via instruction and exports and connect and draw power supply;
B) logic analyser trigger condition is set to first via input non-complete " 1 ", and the sampling period is set to 5ns;
C) switching on and shutting down equipment repeatedly;
D) send all telecommands 1 time, while only sending to the first via instruction of current connection, logic analyser triggers; And only have current transmission instruction for " 0 ", all the other order lines are " 1 "; When transmission instruction is not the first via instruction of current connection, logic analyser does not trigger;
E) change telecommand socket, connect the second tunnel instruction output, repeat a) ~ d) step, until all instructions are all completed.
9. traversal test instruction interface burr method as claimed in claim 8, is characterized in that the number Wei48 road instruction of described first via instruction, the number Wei48 road instruction of described the second tunnel instruction.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107741545A (en) * | 2017-10-27 | 2018-02-27 | 深圳航天东方红海特卫星有限公司 | A kind of portable 24 road OC instructions isolation detector of microsatellite |
| CN111476986A (en) * | 2020-03-10 | 2020-07-31 | 上海卫星工程研究所 | Remote control instruction pulse waveform test system and test method |
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| US5375011A (en) * | 1993-08-18 | 1994-12-20 | National Research Council Of Canada | Non-linear, real-time, micrometer resolution optical time domain reflectometers for optoelectronic circuits diagnostic and sensing applications |
| US7241986B2 (en) * | 2003-10-08 | 2007-07-10 | Mississippi State University | Fiber ringdown pressure/force sensors |
| CN101571830A (en) * | 2009-06-19 | 2009-11-04 | 北京航空航天大学 | Automatic closed loop test system of real-time embedded software |
| CN101866178A (en) * | 2010-06-18 | 2010-10-20 | 中国航天科技集团公司第五研究院第五一三研究所 | Spacecraft equipment ground testing system and method |
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- 2012-08-03 CN CN201210274782.9A patent/CN103576669B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5375011A (en) * | 1993-08-18 | 1994-12-20 | National Research Council Of Canada | Non-linear, real-time, micrometer resolution optical time domain reflectometers for optoelectronic circuits diagnostic and sensing applications |
| US7241986B2 (en) * | 2003-10-08 | 2007-07-10 | Mississippi State University | Fiber ringdown pressure/force sensors |
| CN101571830A (en) * | 2009-06-19 | 2009-11-04 | 北京航空航天大学 | Automatic closed loop test system of real-time embedded software |
| CN101866178A (en) * | 2010-06-18 | 2010-10-20 | 中国航天科技集团公司第五研究院第五一三研究所 | Spacecraft equipment ground testing system and method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107741545A (en) * | 2017-10-27 | 2018-02-27 | 深圳航天东方红海特卫星有限公司 | A kind of portable 24 road OC instructions isolation detector of microsatellite |
| CN111476986A (en) * | 2020-03-10 | 2020-07-31 | 上海卫星工程研究所 | Remote control instruction pulse waveform test system and test method |
| CN111476986B (en) * | 2020-03-10 | 2021-05-25 | 上海卫星工程研究所 | Remote control instruction pulse waveform testing method |
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