CN102999425A - Housekeeping software simulation test system based on technology of virtual instrument - Google Patents
Housekeeping software simulation test system based on technology of virtual instrument Download PDFInfo
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Abstract
The invention relates to a satellite signal simulation technology and a virtual instrument technology, and discloses a housekeeping software simulation test system based on technology of a virtual instrument. The housekeeping software simulation test system comprises an industrial personal computer, an analog/digital signal input and output card, a serial port card, a CAN (Controller Area Network) bus card, and an FPGA (Field Programmable Gate Array) high-speed transmission card, wherein the industrial personal computer is connected with the cards, and the cards are connected with a housekeeping computer. The simulation test system functionally comprises a satellite separation module, a direct remote control module, an analog quantity telemetering module, a remote control digital input module, a telemetering reception and analysis module, a programmable command receiving module, a GPS (Global Position System) second signal module, a time reference module, a CAN data simulation module, a data transmission module and a serial port communication module. The housekeeping software simulation test system is formed by frame type hardware, and is programmed by the flexible software modules. Compared with the prior art, the housekeeping software simulation test system has the beneficial effects of being simple in structure, convenient to operate, short in development period, being widely suitable for various types of housekeeping software, and meeting flexibly-changed dynamic tests and nonstandard signal tests.
Description
Technical field
The present invention relates to a kind of housekeeping software emulation test system, particularly a kind of housekeeping software emulation test system based on virtual instrument technique.
Background technology
Because the reliability requirement of space equipment is very high, and can the software reliability of equipment and robustness be its key factor that well move under rugged surroundings, so the critical software of these space equipments all will carry out strict integration test before dispatching from the factory.
At present, domestic a lot of software evaluation mechanism mainly adopts dual mode to carry out software test.One is used designer's joint-trial environment and is replaced the independent development test board to carry out software test, and the method can't be carried out the test of fault use-case, can't change peripheral environment, can not carry out comprehensive third party autonomous test.Its two, the test board that exploitation is complementary with it for single tested software, this method can only be applied to certain fixedly certain software of model, very flexible, the wasting of resources, and test period is longer.These two kinds of method of testings all can't satisfy the polytypic test assignment that the present cycle is short, task is heavy, finish the software test of polytypic multi-series in the urgent need to developing a kind of test macro with dirigibility, versatility.
External most of Software Testing Tool all is for the static test of software and Application and Development, for flexible and changeable dynamic test and the test of non-standard signal, does not have corresponding test macro.
That is to say, lack now the test macro for dynamic test and non-standard signal test.Especially for existing polytypic housekeeping software, need each test macro of exploitation to be complementary with it, exist the construction cycle long, the problem of very flexible.
Summary of the invention
For the limitation of existing test macro, technical matters to be solved by this invention is to satisfy the software test requirement of quickness and high efficiency for the polytypic housekeeping software provides general test macro, solves the problem that existing test macro versatility is poor, the construction cycle is long.
For achieving the above object, the present invention is achieved by the following technical solutions:
Housekeeping software emulation test system based on virtual instrument technique, comprise the PXI industrial computer, the analog/digital signal input-output unit, serial port device, the CAN bus unit, FPGA high-speed transfer device, described PXI industrial computer and analog/digital signal input-output unit, serial port device, the CAN bus unit, FPGA high-speed transfer device links to each other by the PXI bus respectively, it consists of the hardware environment of housekeeping software emulation test system, emulation to whole system is finished by the master control of PXI industrial computer, it is by described each the device work of the total line coordination of PXI, and each device has the Star Service computing machine of housekeeping software to be connected with operation.
The analog/digital signal input-output unit adopts analog/digital signal input-output card PXI-6259.
The AO0 mouth that the satellite and the rocket separation module that simulation sends satellite and the rocket separation signal is used PXI-6259 is that the delivery outlet of satellite and the rocket separation signal separates port and links to each other with the Star Service computing machine satellite and the rocket; Before the satellite and the rocket can be set flexibly separate with separate after signal level, but the delivery time of control signal.
The AI0-AI11 port that simulation receives the analog quantity telemetry module application PXI-6259 integrated circuit board of analog quantity telesignalisation is connected with 12 tunnel analog quantity remote measurement ports of Star Service computing machine, receives 12 tunnel simulating signals from the Star Service computing machine; But the real-time rendering figure carries out 12 road analog signalses to be shown.
The analog/digital signal input-output unit also adopts regularly and digital input/output cards PXI-6624.
The ctr0-ctr7 port that simulation sends the direct remote control module application PXI-6624 integrated circuit board 1 of direct telecommand is connected with 8 tunnel direct remote control port of Star Service computing machine, can send 8 tunnel direct telecommands, the significant level that sends instruction can be set, instruction level width, steering order delivery time are set.
Ctr0 and the ctr1 port and whole second signal port of 2 road GPS of Star Service computing machine that simulation sends GPS signaling module application in the whole second PXI-6624 integrated circuit board 2 of whole second signal of GPS links to each other, and per second produces the low level pulse signal of one fixed width to the Star Service computing machine; Dutycycle and the cycle of low level pulse signal can be set, but the control signal delivery time.
The ctr2 of the time reference module application PXI-6624 integrated circuit board 2 of simulation transmitting time reference signal links to each other with 2 road time reference signal ports of Star Service computing machine with the ctr3 port, produces the square-wave signal of two-way 5MHz to the Star Service computing machine.
The CAN bus unit adopts CAN bus card PXI-8464.
Simulated dual links to each other with the CAN A/B bus of Star Service computing machine with CAN1 to the CAN0 of the CAN data simulation module application PXI-8464 of CAN communication, realizes the simulation of slave computer CAN bus functionality; Can realize reception and the transmission of CAN data, can carry out normal CAN communication test and fault test, can carry out the CAN Data Analysis, but automatic or manual be replied CAN information.
Serial port device adopts serial port board PXI-8431,2 road RS422 interfaces that described simulated dual is used PXI-8431 to the serial communication modular of asynchronous serial communication link to each other with the Star Service computing machine, the simulation slave computer carries out asynchronous RS422 with the Star Service computing machine and communicates by letter, the reception of realization communication data and replying; Can control the repeat-back delay time, and the storage of the file of supported data.
FPGA high-speed transfer device adopts FPGA high-speed transfer card PXI-7813r.
Simulation sends the remote control of remote-control data and annotates DIO0-DIO2 and the DGND that the digital-to-analogue piece is used PXI-7813r integrated circuit board Connector0, link to each other with ground with four-wire system remote control notes number interface gate, clock, the data of Star Service computing machine, can send 260 bytes with interior data by automatic or manual; Can edit flexibly remote-control data, can be from file reading out data or save data to file, but automatic parity checking, framing produces clock, gate, data and ground four-wire system coding automatically.
The remote measurement reception that simulation receives telemetry links to each other with gate, clock, the data of Star Service computer telemetry system 1 interface with the DIO3-DIO5 that parsing module is used PXI-7813r integrated circuit board Connector0, the DIO6-DIO8 of Connector0 links to each other with gate, clock, the data of Star Service computer telemetry system 2 interfaces, the DGND port of PXI-7813r integrated circuit board links to each other with the ground of remote measurement 1 with remote measurement 2, receives simultaneously the two-way telemetry; Can carry out real time parsing and demonstration to the telemetry bag of a plurality of types.
Draw transfer box to link to each other on 100 road DIO that the program control command receiver module that simulation receives program control command is used PXI-7813r and the 5V, the DIO0-DIO39 of Connector1, the DIO0-DIO39 of Connector2, the DIO0-DIO19 of Connector3 receives 100 road OC door program control signals from the Star Service computing machine simultaneously; Can record the program control command time of reception, the style of writing of going forward side by side part storage and tabulation show.
The synchronous RS422 signal of 12 road DIO simulation two-way that the digital transmission module of simulation bidirectional data transmission function is used PXI-7813r links to each other with the 12 ways biography interface of Star Service computing machine, and the gate, clock and the data-signal that produce difference offer the Star Service computing machine; Can receive in real time and show the RS422 data from the Star Service computing machine, and the storage of the file of supported data.
The whole applying virtual technical devices of above-mentioned module realize having good human-computer interaction interface.This emulation test system is operation in a single day, and all modules have all entered the concurrent working state, and can set gradually and flexible operating modules on the interface.Compared with prior art, its beneficial effect is: system architecture is simple, and is easy to operate, friendly interface, and the construction cycle is short.When carrying out system debug and checking, only need to be connected with the tested software unit by the physical interface of emulation test system, just can carry out the test of different software, highly versatile by the difference configuration to this emulation test system interface; By just can realize the fault input to the parameter modification of this emulation test system man-machine interface, dirigibility is strong.
Description of drawings
Fig. 1 is housekeeping software emulation test system structural representation of the present invention;
Fig. 2 is the housekeeping software emulation test system structural drawing of one embodiment of the invention;
Fig. 3 is the housekeeping software emulation test system of realization one embodiment of the invention and the data flow diagram of tested software.
Embodiment
Below in conjunction with embodiment the present invention is elaborated, present embodiment is implemented under take technical solution of the present invention as prerequisite, has provided detailed embodiment, but protection scope of the present invention is not limited to following embodiment.
Existing emulation test system generally comprises satellite and the rocket separation module in function, directly digital-to-analogue piece, remote measurement reception and parsing module, program control command receiver module, GPS whole second of signaling module, time reference module, CAN data simulation module, digital transmission module, serial communication modular are annotated in remote control module, analog quantity telemetry module, remote control.
Housekeeping software emulation test system of the present invention, comprise the PXI industrial computer, the analog/digital signal input-output unit, serial port device, the CAN bus unit, FPGA high-speed transfer device, described PXI industrial computer and analog/digital signal input-output unit, serial port device, the CAN bus unit, FPGA high-speed transfer device links to each other by the PXI bus respectively, it consists of the hardware environment of housekeeping software emulation test system, emulation to whole system is finished by the master control of PXI industrial computer, it is by described each the device work of the total line coordination of PXI, each device is connected with the Star Service computing machine, and housekeeping software operates on the Star Service computing machine.
When carrying out system debug and checking, only need to be connected with the tested software unit by the physical interface of analogue system, just can carry out the test of different software, highly versatile by the difference configuration to this system interface.
Example one
As shown in Figure 2, be the housekeeping software emulation test system structural drawing of one embodiment of the invention.Whole emulation test system comprises the PXI industrial computer, PXI-6259 integrated circuit board 2, two PXI6624 integrated circuit boards 3, PXI-8431 serial port board 4, PXI-8464 CAN bus card 6 and PXI-7813rFPGA high-speed transfer card 5, these integrated circuit boards are connected with industrial computer by the PXI bus, consist of the hardware environment of housekeeping software emulation test system.Each software module based on virtual instrument technique can comprise 11, be respectively: digital-to-analogue piece 10, remote measurement reception and parsing module 11, program control command receiver module 12, GPS whole second signaling module 13, time reference module 14, CAN data simulation module 15, digital transmission module 16 and serial communication modular 17 are annotated in satellite and the rocket separation module 7, direct remote control module 8, analog quantity telemetry module 9, remote control
One simulation sends the satellite and the rocket separation module 7 of satellite and the rocket separation signal, is located on the PXI-6259 integrated circuit board 2;
One simulation sends the direct remote control module 8 of direct telecommand, is located on the PXI-6624 integrated circuit board 3;
One simulation receives the analog quantity telemetry module 9 of analog quantity telesignalisation, is located on the PXI-6259 integrated circuit board 2;
One simulation sends the remote control of remote-control data and annotates digital-to-analogue piece 10, is located on the PXI-7813r integrated circuit board 5;
One simulation receives remote measurement reception and the parsing module 11 of telemetry, is located on the PXI-7813r integrated circuit board 5;
One simulation receives the program control command receiver module 12 of program control command, is located on the PXI-7813r integrated circuit board 5;
One simulation sends whole second signaling module 13 of GPS of whole second signal of GPS, is located on the PXI-6624 integrated circuit board 3;
The time reference module 14 of one simulation transmitting time reference signal is located on the PXI-6624 integrated circuit board 3;
One simulated dual is located on the PXI-8464 integrated circuit board 6 to the CAN data simulation module 15 of CAN communication;
The digital transmission module 16 of one simulation bidirectional data transmission function is located on the PXI-7813r integrated circuit board 5;
One simulated dual is located on the PXI-8431 integrated circuit board 4 to the serial communication modular 17 of asynchronous serial communication;
Above-mentioned 11 modules operate on the PXI industrial computer simultaneously, and hardware integrated circuit board PXI-6259, two PXI-6624, PXI-7813r, PXI-8431, PXI-8464 are arranged in order at the PXI of industrial computer slot, wherein:
Satellite and the rocket separation module 7: the AO0 port of using PXI-6259 separates port with the satellite and the rocket of Star Service computing machine and is connected, and sends satellite and the rocket separation signal.
Direct remote control module 8: the ctr0-ctr7 port of using PXI-6624 integrated circuit board 1 is connected with 8 tunnel direct remote control port of Star Service computing machine, sends 8 road low level pulse signals.
Analog quantity telemetry module 9: the AI0-AI11 port of using the PXI-6259 integrated circuit board links to each other with the analog quantity remote measurement port of Star Service computing machine, receives 12 tunnel simulating signals from the Star Service computing machine.
Digital-to-analogue piece 10 is annotated in remote control: use DIO0-DIO2 and the DGND of PXI-7813r integrated circuit board Connector0, link to each other with ground with four-wire system remote control notes number interface gate, clock, the data of Star Service computing machine, can send 260 bytes with interior data by automatic or manual.
Remote measurement reception and parsing module 11: the DIO3-DIO5 that uses PXI-7813r integrated circuit board Connector0 links to each other with gate, clock, the data of remote measurement 1 interface of Star Service computing machine, the DIO6-DIO8 of Connector0 links to each other with gate, clock, the data of remote measurement 2 interfaces of Star Service computing machine, the DGND port of PXI-7813r integrated circuit board links to each other with the ground of remote measurement 1 with remote measurement 2, receive simultaneously the two-way telemetry, and resolve in detail.
Program control command receiver module 12: the DIO0-DIO39 that uses 100 road DIO(Connector1 of PXI-7813r, the DIO0-DIO39 of Connector2, the DIO0-DIO19 of Connector3) with on the 5V draw transfer box to link to each other, reception is from 100 road OC door program control signals of Star Service computing machine, the time of reception of recording instruction, the style of writing of going forward side by side part storage and tabulation show.
Whole second signaling module 13 of GPS: whole second signal port of ctr0 and ctr1 port and 2 road GPS of Star Service computing machine of using PXI-6624 integrated circuit board 2 links to each other, the low level pulse signal that per second produces one fixed width offers the Star Service computing machine, dutycycle and the cycle of pulse signal can be set, but the delivery time of control signal.
Time reference module 14: adopt the ctr2 of PXI-6624 integrated circuit board 2 to link to each other with 2 road time reference signal ports of Star Service computing machine with the ctr3 port, produce the square-wave signal of two-way 5MHz to the Star Service computing machine.
CAN data simulation module 15: the CAN0 that uses PXI-8464 links to each other with the CAN A/B bus of Star Service computing machine with CAN1, realizes the CAN bus functionality simulation of slave computer, realizes normal CAN communication test and the fault test of tested software.
Digital transmission module 16: the DIO10-DIO21 that uses 12 road DIO(Connector0 of PXI-7813r) the synchronous RS422 signal of simulation two-way (each 6 tunnel) links to each other with the 12 ways biography interface of Star Service computing machine, the gate, clock and the data-signal that produce difference offer the Star Service computing machine, and receive in real time and show RS422 data from the Star Service computing machine.
Serial communication modular 17: 2 road RS422 interfaces of using PXI-8431 link to each other with the Star Service computing machine, and the simulation slave computer carries out asynchronous RS422 with the Star Service computing machine communicates by letter, the reception of realization communication data and replying.
As shown in Figure 3, be the housekeeping software emulation test system of one embodiment of the invention and the data flow diagram of tested software.Cable part between the emulation test system and Star Service computing machine among Fig. 2 has been described out intuitively.Housekeeping software emulation test system based on virtual instrument technique can be annotated number four-wire system signal, GPS whole second of signal, time reference signal for the Star Service computing machine provides D/A satellite and the rocket separation signal, the direct remote signal of OC door, remote control, A/D analog quantity telesignalisation, four-wire system spread spectrum telesignalisation, OC door program control signal from the Star Service computing machine be can receive, can two-way synchronous RS422 digital transmission communication, asynchronous RS422 serial communication and CAN bus communication be carried out with the Star Service computing machine.
Should be understood that method and system as described herein can be with various forms of hardware, software, firmware, dedicated processor or their combination realization.Especially, a part at least of the present invention comprises that the application program of programmed instruction preferably realizes.These programmed instruction positively are included in one or more program storage device and (are included but not limited to hard disk, magnetic floppy disc, RAM, ROM, CDROM etc.) inner, and can be by any equipment or machine that comprises appropriate configuration, for example a kind of universal digital computer with processor, internal memory and input/output interface is carried out.It should also be understood that because the building block of some systems of describing in the accompanying drawing and treatment step are preferably realized with software so the connection between the system module (the perhaps logic flow of method step) may be different, this depends on programming mode of the present invention.According to guidance given here, those of ordinary skill in the related art can design these and similar embodiment of the present invention.
More than disclosed only be the application's a specific embodiment, but the application is not limited thereto, the changes that any person skilled in the art can think of all should drop in the application's the protection domain.
Claims (16)
1. housekeeping software emulation test system based on virtual instrument technique, it is characterized in that, comprise the PXI industrial computer, the analog/digital signal input-output unit, serial port device, the CAN bus unit, FPGA high-speed transfer device, described PXI industrial computer and analog/digital signal input-output unit, serial port device, the CAN bus unit, FPGA high-speed transfer device links to each other by the PXI bus respectively, it consists of the hardware environment of housekeeping software emulation test system, emulation to whole system is finished by the master control of PXI industrial computer, it is by described each the device work of the total line coordination of PXI, and each device has the Star Service computing machine of housekeeping software to be connected with operation.
2. the housekeeping software emulation test system based on virtual instrument technique as claimed in claim 1 is characterized in that, described analog/digital signal input-output unit adopts analog/digital signal input-output card PXI-6259.
3. the housekeeping software emulation test system based on virtual instrument technique as claimed in claim 2, it is characterized in that the AO0 mouth that the satellite and the rocket separation module that described simulation sends satellite and the rocket separation signal is used PXI-6259 is that the delivery outlet of satellite and the rocket separation signal separates port and links to each other with the Star Service computing machine satellite and the rocket; Before the satellite and the rocket can be set flexibly separate with separate after signal level, but the delivery time of control signal.
4. the housekeeping software emulation test system based on virtual instrument technique as claimed in claim 2, it is characterized in that, the AI0-AI11 port that described simulation receives the analog quantity telemetry module application PXI-6259 integrated circuit board of analog quantity telesignalisation is connected with 12 tunnel analog quantity remote measurement ports of Star Service computing machine, receives 12 tunnel simulating signals from the Star Service computing machine; But the real-time rendering figure carries out 12 road analog signalses to be shown.
5. the housekeeping software emulation test system based on virtual instrument technique as claimed in claim 1 or 2 is characterized in that, described analog/digital signal input-output unit also adopts regularly and digital I/O PXI-6624.
6. as claimed in claim 5 based on the system of the housekeeping software emulation testing of virtual instrument technique, it is characterized in that, the ctr0-ctr7 port that described simulation sends the direct remote control module application PXI-6624 integrated circuit board 1 of direct telecommand is connected with 8 tunnel direct remote control port of Star Service computing machine, to send 8 tunnel direct telecommands, the significant level that sends instruction can be set, instruction level width, steering order delivery time are set.
7. the housekeeping software emulation test system based on virtual instrument technique as claimed in claim 5, it is characterized in that: ctr0 and the ctr1 port and whole second signal port of 2 road GPS of Star Service computing machine that described simulation sends GPS signaling module application in the whole second PXI-6624 integrated circuit board 2 of whole second signal of GPS links to each other, and per second produces the low level pulse signal of one fixed width to the Star Service computing machine; Dutycycle and the cycle of low level pulse signal can be set, but the control signal delivery time.
8. the housekeeping software emulation test system based on virtual instrument technique as claimed in claim 5, it is characterized in that: the ctr2 of the time reference module application PXI-6624 integrated circuit board 2 of described simulation transmitting time reference signal links to each other with 2 road time reference signal ports of Star Service computing machine with the ctr3 port, produces the square-wave signal of two-way 5MHz to the Star Service computing machine.
9. the housekeeping software emulation test system based on virtual instrument technique as claimed in claim 1 is characterized in that: described CAN bus unit employing CAN bus card PXI-8464.
10. the housekeeping software emulation test system based on virtual instrument technique as claimed in claim 9, it is characterized in that: described simulated dual links to each other with the CAN A/B bus of Star Service computing machine with CAN1 to the CAN0 of the CAN data simulation module application PXI-8464 of CAN communication, realizes the simulation of slave computer CAN bus functionality; Can realize reception and the transmission of CAN data, can carry out normal CAN communication test and fault test, can carry out the CAN Data Analysis, but automatic or manual be replied CAN information.
11. the housekeeping software emulation test system based on virtual instrument technique as claimed in claim 1, it is characterized in that: described serial port device adopts serial port board PXI-8431,2 road RS422 interfaces that simulated dual is used PXI-8431 to the serial communication modular of asynchronous serial communication link to each other with the Star Service computing machine, the simulation slave computer carries out asynchronous RS422 with the Star Service computing machine and communicates by letter, the reception of realization communication data and replying; Can control the repeat-back delay time, and the storage of the file of supported data.
12. the housekeeping software emulation test system based on virtual instrument technique as claimed in claim 1 is characterized in that: described FPGA high-speed transfer device adopts FPGA high-speed transfer card PXI-7813r.
13. the housekeeping software emulation test system based on virtual instrument technique as claimed in claim 12, it is characterized in that: described simulation sends the remote control of remote-control data and annotates DIO0-DIO2 and the DGND that the digital-to-analogue piece is used PXI-7813r integrated circuit board Connector0, link to each other with ground with four-wire system remote control notes number interface gate, clock, the data of Star Service computing machine, can send 260 bytes with interior data by automatic or manual; Can edit flexibly remote-control data, can be from file reading out data or save data to file, but automatic parity checking, framing produces clock, gate, data and ground four-wire system coding automatically.
14. the housekeeping software emulation test system based on virtual instrument technique as claimed in claim 12, it is characterized in that: the remote measurement reception that described simulation receives telemetry links to each other with gate, clock, the data of Star Service computer telemetry system 1 interface with the DIO3-DIO5 that parsing module is used PXI-7813r integrated circuit board Connector0, the DIO6-DIO8 of Connector0 links to each other with gate, clock, the data of Star Service computer telemetry system 2 interfaces, the DGND port of PXI-7813r integrated circuit board links to each other with the ground of remote measurement 1 with remote measurement 2, receives simultaneously the two-way telemetry; Can carry out real time parsing and demonstration to the telemetry bag of a plurality of types.
15. the housekeeping software emulation test system based on virtual instrument technique as claimed in claim 12, it is characterized in that: draw transfer box to link to each other on 100 road DIO that the program control command receiver module that described simulation receives program control command is used PXI-7813r and the 5V, the DIO0-DIO39 of Connector1, the DIO0-DIO39 of Connector2, the DIO0-DIO19 of Connector3 receives 100 road OC door program control signals from the Star Service computing machine simultaneously; Can record the program control command time of reception, the style of writing of going forward side by side part storage and tabulation show.
16. the housekeeping software emulation test system based on virtual instrument technique as claimed in claim 12, it is characterized in that: the synchronous RS422 signal of 12 road DIO simulation two-way that the digital transmission module of described simulation bidirectional data transmission function is used PXI-7813r links to each other with the 12 ways biography interface of Star Service computing machine, and the gate, clock and the data-signal that produce difference offer the Star Service computing machine; Can receive in real time and show the RS422 data from the Star Service computing machine, and the storage of the file of supported data.
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