CN204065697U - A kind of automatic testing equipment of avionics system - Google Patents
A kind of automatic testing equipment of avionics system Download PDFInfo
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Abstract
A kind of automatic testing equipment of avionics system, be connected in tested avionics system (1), it is constructed as follows: carrier aircraft flight simulator (2), store Combinations simulator (3), admittance driver (4), non-avionics system emulator (5), test master control platform (6), each target simulator (7), integrated test system (8), judgement and register system (9), prompt system (10), this device passes through store Combinations simulator, each target simulator, admittance driver, the test accessories such as carrier aircraft flight simulator carry out the connection of Real-time Network, the each test accessory of automatic control produces the signal with strict sequential order in each inspection step, and under the control of test master control platform, by a kind of method that can be called as retrieval type automatic decision, carry out the judgement of data correctness, thus complete automatic test, by this utility model, effectively improve the efficiency of avionics system test, and improve the comprehensive of test automatically to a great extent.
Description
Technical field
The utility model relates to structural design and the applied technical field of the test macro of avionics system, specifically provides a kind of automatic testing equipment of avionics system.
Background technology
At present in avionics system integration testing, what adopt the judgement of data stream is artificial judgment or static automatic decision.Artificial judgment wastes time and energy, and not only delays product delivery progress, and may produce the situation of erroneous judgement of failing to judge.And so-called static automatic decision, exactly after certain checks that step operation terminates, control test macro to gather the data stream on Current bus, and the determination methods that on this acquisition time of automatic decision, the correctness of all data describes as patent " Aerial Electronic Equipment function test system " is middle, the patent No.: ZL201220652188.4.Although such judgement improves testing efficiency to a certain extent, owing to just determining the judgement of time point to one, if data stream is dynamic change in one operation, just can only judge the correctness of last beat of data, cause judgement not comprehensive.And the operation of each simulator and driver all needs manually to carry out at present, if the sequential unmet demand of operation, or there are some operate misss, often cause data automatic decision result to be mistake, the carrying out of impact test.
People urgently wish the automatic testing equipment obtaining the excellent avionics system of a kind of technique effect.
Utility model content
The purpose of this utility model is to provide the automatic testing equipment of the excellent avionics system of a kind of technique effect.
The automatic testing equipment of avionics system described in the utility model, be connected in tested avionics system 1, it is characterized in that: the automatic testing equipment of described avionics system is constructed as follows: carrier aircraft flight simulator 2, store Combinations simulator 3, admittance driver 4, non-avionics system emulator 5, test master control platform 6, each target simulator 7, integrated test system 8, judgement and register system 9, prompt system 10; Wherein:
For avionics system provides the carrier aircraft flight simulator 2 of the flight parameter of simulation to be connected with air data computer with the inertial navigation unit of avionics system, receive the power supply of avionics system, heat, the orders such as store Combinations transmitting, and the store Combinations simulator 3 of simulating the state of each hanging point store Combinations is connected with avionics system 1, for avionics system provides the radio environment of simulation, as Tacan number of units certificate, the admittance driver 4 of Data-Link information etc. is connected with avionics system 1, the Mechatronic Systems of simulated aircraft is connected with avionics system with the non-avionics system emulator 5 of flight control system, each target simulator 7 is connected with avionics system 1, integrated test system 8 is connected with avionics system 1, control the corresponding data that integrated test system gathers avionics system, and forward these data to judgement and register system, control the automatic decision that it carries out data, and the test master control platform 6 recording data and judged result is by being connected with integrated test system 8 with the Real-time Network of various original test accessory, the each equipment of automatic control produces the data needed, owing to being the control of Real-time Network, so these data have sequential accurately, and the problem of operate miss can not be there is, meanwhile, test master control platform 6 and also operation indicating is sent to avionics system display control apparatus.
Test accessory also can be the combination of multiple subsystem; Under current procedures, automatically control each equipment produce the data needed.Owing to being the control of Real-time Network, so these data have sequential accurately, and the problem of operate miss can not be there is; The judgement data of integrated test system 8 collection being carried out to automatic decision is connected with test master control platform 6 by Real-time Network with register system 9, and prompt system 10 is connected with test master control platform 6 by Real-time Network.
Described carrier aircraft flight simulator 2 adopts computing machine to install the form of board 21, comprise board 21 and real-time network interface card 14, wherein the carrier aircraft flight parameter that computing module in carrier aircraft flight simulator generates is sent to inertial navigation set 11 in tested avionics system 1 and air data computer 12 by board passage by board 21; Real-time network interface card 14 is connected with Real-time Network switch 13 by optical-fibre channel, thus be connected in automatic testing equipment, the carrier aircraft original state parameter and the change that realize the transmission of reception test master control platform 6 control, carry out the calculating of carrier aircraft flight parameter accordingly, so that flight parameter result of calculation is sent to tested avionics system 1; Meanwhile, carrier aircraft flight simulator 2 receives target original state parameter and the change control of the transmission of test master control platform 6, carries out the flight simulation of target accordingly, and the real-time flight parameter of target is returned to test master control platform 1, to be transmitted to each target simulator 7;
Described board 21 is specially ARINC429 board.
Described store Combinations simulator 3 emulates control response logic and the function that the various store Combinations of extension joined by aircraft, gather and/or receive all information that in tested avionics system, plug-in property management reason subsystem exports to store Combinations, simultaneously by true store Combinations steering logic loopback message, real-time network interface card 14 is installed in store Combinations simulator, to be connected on the Real-time Network switch 13 of automatic testing equipment, receive the store Combinations state setup control parameter that test master control platform 6 sends, to complete the simulation of store Combinations.
The radio environment that avionics system receives simulated by described admittance driver 4, and given the admittance equipment of tested avionics system by the mode that radio frequency injects; Admittance driver 4 be the combination in any of the subsystems such as compass driver, Tacan driver, Data-Link information incentive device or one of them;
See accompanying drawing 5, the control module 41 of admittance driver 4 realizes the Systematical control of driver, and the excitation control of analog radio-frequency signal, data processing and signal transacting, and by the connection of real-time network interface card 14 with Real-time Network switch 13, the connection of master control platform 6 is tested in implementation and testing environment, receive the control of test master control platform 6, and the status information of loopback self.
Non-avionics system emulator 5 adopts open industrial computer to add extended housing, and configure analog output interface circuit plate, discrete magnitude output interface plate, synchronous tolerance output interface plate, frequency quantity output interface plate, universal serial bus RS-422 interface board, ARINC429 interface board on this basis as the main body of avionics system emulator, by cable butting on the machine of transit cable box and tested avionics system, realize the test to each system.And by the connection of real-time network interface card and Real-time Network switch, the test master control platform in implementation and testing environment mutual, receives the non-avionics setup parameter that test master control platform sends, produces non-avionics signal to simulate.
The form that test master control platform 6 installs real-time network interface card with computing machine exists, wherein network interface card 14 is connected on the Real-time Network switch 13 of automatic testing equipment by optical-fibre channel in real time, send original state parameter and the change control of carrier aircraft and target to carrier aircraft flight simulator 2, and receive the target of carrier aircraft flight simulator loopback; Store Combinations state setup control parameter is sent to store Combinations simulator 3; Admittance excitation correlation behavior setup parameter is sent to admittance driver 4; The target component that carrier aircraft flight simulator calculates in real time is forwarded to each target simulator 7; Non-avionics setup parameter is sent to non-avionics system emulator 5; Send starting record and stopping record order of each step to integrated test system 8, and receive the test data of testing master control platform and returning; The test data that test master control platform returns is sent to judgement and register system 9, and the automatic decision result that reception judges and register system returns and corresponding data; The operation indicating that each step should carry out is sent to prompt system 10.The parameter of more than testing the transmission of master control platform 6 all can send according to corresponding testing procedure automatically.
Described each target simulator 7 is multiple target simulators, comprise the combination in any of radar simulator, light thunder target simulator, electronic warfare target simulator etc. or one of them; Each simulator is equipped with real-time network interface card 14, be connected on the Real-time Network switch 13 of automatic testing equipment, receive the target flight parameter that automatic testing equipment forwards from carrier aircraft flight simulator 2, to complete the generation of respective objects signal, and finally give tested avionics system corresponding sensor device with the mode of radio frequency injection or radiation mode;
See accompanying drawing 6, each target simulator be a kind of typical connected mode: radar simulator 71, light thunder target simulator 72, electronic warfare target simulator 73 are all connected with Real-time Network switch 13 by optical-fibre channel, receive the target component of carrier aircraft flight simulator 2 calculating in real time that test master control platform 6 forwards, thus each target simulator completes the generation of respective objects signal, to inject with radio frequency or the mode of radiation sends to radar 74, light thunder 75, electronic warfare 76 3 subsystems of tested avionics system.
The type of attachment that described integrated test system 8 inside is core with inner Real-time Network switch 81, see accompanying drawing 7, computer for controlling 85 will be gathered, collecting computer 82 is connected on inner Real-time Network switch 81, collecting computer quantity can increase and decrease to some extent according to testing requirement, wherein collecting computer 82 completes collection to be measured in tested avionics system, such as: switching value, analog quantity, frequency quantity, synchronous tolerance, RS-422 signal, ARINC429 signal, the collection of GJB289A bus signals and video pictures, store, and control corresponding institute image data to be sent to gather computer for controlling 85 according to gathering the unified of computer for controlling 85, gathering computer for controlling 85 is that collecting computer broadcasts unified timestamp by Real-time Network, and the image data received being controlled by self mails to test master control platform 6 by Real-time Network switch 13, and receive starting that test master control platform sends and gather and stop acquisition, to control the data acquisition that corresponding collecting computer completes a certain process.
The form that judgement and register system 9 install real-time network interface card 14 and mass storage device with computing machine exists, wherein network interface card 14 is connected on the Real-time Network switch 13 of automatic testing equipment in real time, receive the judgement control command of test master control platform 6, and receive the process data collected from the integrated test system of test master control platform 6 forwarding, to carry out automatic decision to these data, and judged result and corresponding data are recorded in the mass storage device of self, and judged result and corresponding data are returned to test master control platform 6 with display.
The form that prompt system 10 installs real-time network interface card 14 with computing machine exists, wherein network interface card 14 is connected on the Real-time Network switch 13 of automatic testing equipment in real time, usually this prompt system is positioned over the place needing to carry out test operation, the operation that each testing procedure receiving the transmission of test master control platform 6 should carry out, to point out test operation personnel.
Described carrier aircraft flight simulator 2 is connected with avionics system by HB6069 bus, described store Combinations simulator 3 is connected with avionics system 1 by bus and/or discrete magnitude cable, non-avionics system emulator 5 is connected with avionics system by RS-422 bus, and non-avionics system emulator 5 comprises RS-422 bus, analog quantity, discrete magnitude, frequency quantity etc. with the connection of avionics system; Integrated test system 8 is connected with avionics system 1 with non-bus by bus,
As follows to the automatic testing process of certain step:
Test master control platform 6 is provided with " starting record " and " terminating record " button, control beginning and the end of record and automatic decision, when satisfied record and automatic decision condition, namely now each test accessory has been ready to and has provided the signal needed before step starts, and the display control apparatus of avionics system 1 completes the beamhouse operation in early stage, click " starting record " button, now control by test master control platform 6 emulation that all test accessories produce agreement in advance, simulation, pumping signal, display control apparatus operating personnel carry out the operation of relevant device according to the prompting that test master control platform produces, when step completes, click " terminating record " button, the whole test macro of control is ordered to complete the test of this step by test master control platform 6 according to tester, stop the transmission of corresponding test auxiliary signal, and data retransmission integrated test system 8 collected gives judgement and register system 9, judgement and register system 9 complete the automatic decision of data correctness, and record data and judged result.
Adopt the mode of loading script in integrated test system 8, specify that each testing procedure needs the data block gathered.Each data block comprises the free data of one group of band.
Judgement and register system 9 carry out automatic decision to these data;
The process of data automatic decision is as follows:
To each testing procedure, comprise multiple determining step, each determining step comprises again the judgement of one or more data item; The script that each data item comprises comprises following information:
1 retrieval type: as being 0, represents that retrieval meets the data of value conditions after time reference adds delay time; As being 1, representing and extracting first data after time reference adds delay time, to carry out the judgement of respective value;
2 data types: comprise meaning type, integer, floating type;
Data value judges number: number as being 0, then represents the judgement not needing to carry out data value, and being at this moment generally only needs to carry out the judgement with last process time difference, or only as the time reference of next process, and be indifferent to the occurrence of data; Number as being other value, then the number of the correct situation of presentation data value;
3 value=a and error range or b and error range ... " data value judgement number " determines by above to comprise how many kinds of situation;
4 supervision time are poor: Yes/No specifies whether check the mistiming with last process; For first process, this entry invalidation;
5 mistiming scopes: only have a upper entry to be "Yes", this entry is just effective; Specified the allowed band to the mistiming of a upper process corresponding time;
6 time references: if this value is 0, expression is not the time reference of next process; If be non-zero numerical value, represent " a upper time reference " identical therewith in next process with this item number according to the current time of correspondence for time reference, start to retrieve corresponding data after adding time delay at this moment; If this process comprises multinomial " time reference " identical data, then corresponding time reference is times the latest corresponding to these data.For last process, this entry invalidation;
A time reference on 7: obtain the time the latest that in a upper process, this time reference is corresponding with this.For first process, this entry invalidation;
8 time delays: as the compensation of time reference, such as some equipment needs certain hour after in stable condition, just can export the numerical value of regulation, and extract such data just needs after time reference, add certain time delay.
For the test of each step, carry out continuous acquisition to one or more data item, the collection result of certain data item may be do not adopt data, or collects many beat of data, and each beat of data contains corresponding time and data value.
When being defined in judgement, one group of data value of arranging in advance is retrieved in one group of data item of arranging in advance, or after certain delay time, one group of data of extracting directly regulation, if do not look for the data value of full regulation, this step mistake of direct judgement, if look for complete and judge that all extracting directly data are correct, then continue in the data item of arranging in advance in current or another group, from upper one group of data corresponding end time or the data value retrieving another group agreement in advance after adding certain time delay, or another group data of extracting directly, judge whether all to retrieve, and extracting directly data are correct, as required simultaneously, whether individual data is judged with mistiming of last process corresponding data within the stipulated time, if all passed through, then proceed the retrieval of next process and extract judgement, the like, until retrieve and extracted the data value of all prior agreements, thus complete the judgement of one group of process.Also many groups process can be judged as required.
The mode of the constantly multiple data item setting of retrieval is as mentioned above taked to carry out the automatic testing equipment of the judgement of paired data stream transmission procedure.
Test accessory in avionics system test environment to be connected by Real-time Network, and under test master control platform unified controls, the simulation of needs, emulation, pumping signal are produced automatically to each testing procedure.
The automatic testing equipment used in avionics system test described in the utility model, this device passes through store Combinations simulator, each target simulator, admittance driver, the test accessories such as carrier aircraft flight simulator carry out the connection of Real-time Network, the each test accessory of automatic control produces the signal with strict sequential order in each inspection step, and under the control of test master control platform, by a kind of method that can be called as retrieval type automatic decision, carry out the judgement of data correctness, thus complete automatic test, by this utility model, effectively improve the efficiency of avionics system test, and improve the comprehensive of test automatically to a great extent.
Accompanying drawing explanation
Below in conjunction with drawings and the embodiments, the utility model is described in further detail:
Fig. 1 is the automatic testing equipment theory diagram of avionics system;
Fig. 2 is that the automatic testing equipment of avionics system and the one of tested avionics system are cross-linked graph of a relation;
Fig. 3 is a kind of data flow diagram of tested avionics system;
Fig. 4 is carrier aircraft flight simulator theory diagram;
Fig. 5 is admittance driver theory diagram;
Fig. 6 is each target simulator theory diagram;
Fig. 7 is integrated test system theory diagram;
Embodiment
Embodiment 1
The automatic testing equipment of avionics system described in the present embodiment, be connected in tested avionics system 1, it is characterized in that: the automatic testing equipment of described avionics system is constructed as follows: carrier aircraft flight simulator 2, store Combinations simulator 3, admittance driver 4, non-avionics system emulator 5, test master control platform 6, each target simulator 7, integrated test system 8, judgement and register system 9, prompt system 10; Wherein:
For avionics system provides the carrier aircraft flight simulator 2 of the flight parameter of simulation to be connected with air data computer with the inertial navigation unit of avionics system, receive the power supply of avionics system, heat, the orders such as store Combinations transmitting, and the store Combinations simulator 3 of simulating the state of each hanging point store Combinations is connected with avionics system 1, for avionics system provides the radio environment of simulation, as Tacan number of units certificate, the admittance driver 4 of Data-Link information etc. is connected with avionics system 1, the Mechatronic Systems of simulated aircraft is connected with avionics system with the non-avionics system emulator 5 of flight control system, each target simulator 7 is connected with avionics system 1, integrated test system 8 is connected with avionics system 1, control the corresponding data that integrated test system gathers avionics system, and forward these data to judgement and register system, control the automatic decision that it carries out data, and the test master control platform 6 recording data and judged result is by being connected with integrated test system 8 with the Real-time Network of various original test accessory, the each equipment of automatic control produces the data needed, owing to being the control of Real-time Network, so these data have sequential accurately, and the problem of operate miss can not be there is, meanwhile, test master control platform 6 and also operation indicating is sent to avionics system display control apparatus.
Test accessory also can be the combination of multiple subsystem; Under current procedures, automatically control each equipment produce the data needed.Owing to being the control of Real-time Network, so these data have sequential accurately, and the problem of operate miss can not be there is; The judgement data of integrated test system 8 collection being carried out to automatic decision is connected with test master control platform 6 by Real-time Network with register system 9, and prompt system 10 is connected with test master control platform 6 by Real-time Network.
Described carrier aircraft flight simulator 2 adopts computing machine to install the form of board 21, comprise board 21 and real-time network interface card 14, wherein the carrier aircraft flight parameter that computing module in carrier aircraft flight simulator generates is sent to inertial navigation set 11 in tested avionics system 1 and air data computer 12 by board passage by board 21; Real-time network interface card 14 is connected with Real-time Network switch 13 by optical-fibre channel, thus be connected in automatic testing equipment, the carrier aircraft original state parameter and the change that realize the transmission of reception test master control platform 6 control, carry out the calculating of carrier aircraft flight parameter accordingly, so that flight parameter result of calculation is sent to tested avionics system 1; Meanwhile, carrier aircraft flight simulator 2 receives target original state parameter and the change control of the transmission of test master control platform 6, carries out the flight simulation of target accordingly, and the real-time flight parameter of target is returned to test master control platform 1, to be transmitted to each target simulator 7;
Described board 21 is specially ARINC429 board.
Described store Combinations simulator 3 emulates control response logic and the function that the various store Combinations of extension joined by aircraft, gather and/or receive all information that in tested avionics system, plug-in property management reason subsystem exports to store Combinations, simultaneously by true store Combinations steering logic loopback message, real-time network interface card 14 is installed in store Combinations simulator, to be connected on the Real-time Network switch 13 of automatic testing equipment, receive the store Combinations state setup control parameter that test master control platform 6 sends, to complete the simulation of store Combinations.
The radio environment that avionics system receives simulated by described admittance driver 4, and given the admittance equipment of tested avionics system by the mode that radio frequency injects; Admittance driver 4 be the combination in any of the subsystems such as compass driver, Tacan driver, Data-Link information incentive device or one of them;
See accompanying drawing 5, the control module 41 of admittance driver 4 realizes the Systematical control of driver, and the excitation control of analog radio-frequency signal, data processing and signal transacting, and by the connection of real-time network interface card 14 with Real-time Network switch 13, the connection of master control platform 6 is tested in implementation and testing environment, receive the control of test master control platform 6, and the status information of loopback self.
Non-avionics system emulator 5 adopts open industrial computer to add extended housing, and configure analog output interface circuit plate, discrete magnitude output interface plate, synchronous tolerance output interface plate, frequency quantity output interface plate, universal serial bus RS-422 interface board, ARINC429 interface board on this basis as main body day of avionics system emulator, by cable butting on the machine of transit cable box and tested avionics system, realize the test to each system.And by the connection of real-time network interface card and Real-time Network switch, the test master control platform in implementation and testing environment mutual, receives the non-avionics setup parameter that test master control platform sends, produces non-avionics signal to simulate.
The form that test master control platform 6 installs real-time network interface card with computing machine exists, wherein network interface card 14 is connected on the Real-time Network switch 13 of automatic testing equipment by optical-fibre channel in real time, send original state parameter and the change control of carrier aircraft and target to carrier aircraft flight simulator 2, and receive the target of carrier aircraft flight simulator loopback; Store Combinations state setup control parameter is sent to store Combinations simulator 3; Admittance excitation correlation behavior setup parameter is sent to admittance driver 4; The target component that carrier aircraft flight simulator calculates in real time is forwarded to each target simulator 7; Non-avionics setup parameter is sent to non-avionics system emulator 5; Send starting record and stopping record order of each step to integrated test system 8, and receive the test data of testing master control platform and returning; The test data that test master control platform returns is sent to judgement and register system 9, and the automatic decision result that reception judges and register system returns and corresponding data; The operation indicating that each step should carry out is sent to prompt system 10.The parameter of more than testing the transmission of master control platform 6 all can send according to corresponding testing procedure automatically.
Described each target simulator 7 is multiple target simulators, comprise the combination in any of radar simulator, light thunder target simulator, electronic warfare target simulator etc. or one of them; Each simulator is equipped with real-time network interface card 14, be connected on the Real-time Network switch 13 of automatic testing equipment, receive the target flight parameter that automatic testing equipment forwards from carrier aircraft flight simulator 2, to complete the generation of respective objects signal, and finally give tested avionics system corresponding sensor device with the mode of radio frequency injection or radiation mode;
See accompanying drawing 6, each target simulator be a kind of typical connected mode: radar simulator 71, light thunder target simulator 72, electronic warfare target simulator 73 are all connected with Real-time Network switch 13 by optical-fibre channel, receive the target component of carrier aircraft flight simulator 2 calculating in real time that test master control platform 6 forwards, thus each target simulator completes the generation of respective objects signal, to inject with radio frequency or the mode of radiation sends to radar 74, light thunder 75, electronic warfare 76 3 subsystems of tested avionics system.
The type of attachment that described integrated test system 8 inside is core with inner Real-time Network switch 81, see accompanying drawing 7, computer for controlling 85 will be gathered, collecting computer 82 is connected on inner Real-time Network switch 81, collecting computer quantity can increase and decrease to some extent according to testing requirement, , wherein collecting computer 82 completes collection to be measured in tested avionics system, such as: switching value, analog quantity, frequency quantity, synchronous tolerance, RS-422 signal, ARINC429 signal, the collection of GJB289A bus signals and video pictures, store, and control corresponding institute image data to be sent to gather computer for controlling 85 according to gathering the unified of computer for controlling 85, gathering computer for controlling 85 is that collecting computer broadcasts unified timestamp by Real-time Network, and the image data received being controlled by self mails to test master control platform 6 by Real-time Network switch 13, and receive starting that test master control platform sends and gather and stop acquisition, to control the data acquisition that corresponding collecting computer completes a certain process.
The form that judgement and register system 9 install real-time network interface card 14 and mass storage device with computing machine exists, wherein network interface card 14 is connected on the Real-time Network switch 13 of automatic testing equipment in real time, receive the judgement control command of test master control platform 6, and receive the process data collected from the integrated test system of test master control platform 6 forwarding, to carry out automatic decision to these data, and judged result and corresponding data are recorded in the mass storage device of self, and judged result and corresponding data are returned to test master control platform 6 with display.
The form that prompt system 10 installs real-time network interface card 14 with computing machine exists, wherein network interface card 14 is connected on the Real-time Network switch 13 of automatic testing equipment in real time, usually this prompt system is positioned over the place needing to carry out test operation, the operation that each testing procedure receiving the transmission of test master control platform 6 should carry out, to point out test operation personnel.
Described carrier aircraft flight simulator 2 is connected with avionics system by HB6069 bus, described store Combinations simulator 3 is connected with avionics system 1 by bus and/or discrete magnitude cable, non-avionics system emulator 5 is connected with avionics system by RS-422 bus, and non-avionics system emulator 5 comprises RS-422 bus, analog quantity, discrete magnitude, frequency quantity etc. with the connection of avionics system; Integrated test system 8 is connected with avionics system 1 with non-bus by bus,
As follows to the automatic testing process of certain step:
Test master control platform 6 is provided with " starting record " and " terminating record " button, control beginning and the end of record and automatic decision, when satisfied record and automatic decision condition, namely now each test accessory has been ready to and has provided the signal needed before step starts, and the display control apparatus of avionics system 1 completes the beamhouse operation in early stage, click " starting record " button, now control by test master control platform 6 emulation that all test accessories produce agreement in advance, simulation, pumping signal, display control apparatus operating personnel carry out the operation of relevant device according to the prompting that test master control platform produces, when step completes, click " terminating record " button, the whole proving installation of control is ordered to complete the test of this step by test master control platform 6 according to tester, stop the transmission of corresponding test auxiliary signal, and data retransmission integrated test system 8 collected gives judgement and register system 9, judgement and register system 9 complete the automatic decision of data correctness, and record data and judged result.
Adopt the mode of loading script in integrated test system 8, specify that each testing procedure needs the data block gathered.Each data block comprises the free data of one group of band.
Judgement and register system 9 carry out automatic decision to these data;
The process of data automatic decision is as follows:
To each testing procedure, comprise multiple determining step, each determining step comprises again the judgement of one or more data item; The script that each data item comprises comprises following information:
1 retrieval type: as being 0, represents that retrieval meets the data of value conditions after time reference adds delay time; As being 1, representing and extracting first data after time reference adds delay time, to carry out the judgement of respective value;
2 data types: comprise meaning type, integer, floating type;
Data value judges number: number as being 0, then represents the judgement not needing to carry out data value, and being at this moment generally only needs to carry out the judgement with last process time difference, or only as the time reference of next process, and be indifferent to the occurrence of data; Number as being other value, then the number of the correct situation of presentation data value;
3 value=a and error range or b and error range ... " data value judgement number " determines by above to comprise how many kinds of situation;
4 supervision time are poor: Yes/No specifies whether check the mistiming with last process; For first process, this entry invalidation;
5 mistiming scopes: only have a upper entry to be "Yes", this entry is just effective; Specified the allowed band to the mistiming of a upper process corresponding time;
6 time references: if this value is 0, expression is not the time reference of next process; If be non-zero numerical value, represent " a upper time reference " identical therewith in next process with this item number according to the current time of correspondence for time reference, start to retrieve corresponding data after adding time delay at this moment; If this process comprises multinomial " time reference " identical data, then corresponding time reference is times the latest corresponding to these data.For last process, this entry invalidation;
A time reference on 7: obtain the time the latest that in a upper process, this time reference is corresponding with this.For first process, this entry invalidation;
8 time delays: as the compensation of time reference, such as some equipment needs certain hour after in stable condition, just can export the numerical value of regulation, and extract such data just needs after time reference, add certain time delay.
For the test of each step, carry out continuous acquisition to one or more data item, the collection result of certain data item may be do not adopt data, or collects many beat of data, and each beat of data contains corresponding time and data value.
When being defined in judgement, one group of data value of arranging in advance is retrieved in one group of data item of arranging in advance, or after certain delay time, one group of data of extracting directly regulation, if do not look for the data value of full regulation, this step mistake of direct judgement, if look for complete and judge that all extracting directly data are correct, then continue in the data item of arranging in advance in current or another group, from upper one group of data corresponding end time or the data value retrieving another group agreement in advance after adding certain time delay, or another group data of extracting directly, judge whether all to retrieve, and extracting directly data are correct, as required simultaneously, whether individual data is judged with mistiming of last process corresponding data within the stipulated time, if all passed through, then proceed the retrieval of next process and extract judgement, the like, until retrieve and extracted the data value of all prior agreements, thus complete the judgement of one group of process.Also many groups process can be judged as required.
The mode of the constantly multiple data item setting of retrieval is as mentioned above taked to carry out the automatic testing equipment of the judgement of paired data stream transmission procedure.
Test accessory in avionics system test environment to be connected by Real-time Network, and under test master control platform unified controls, the simulation of needs, emulation, pumping signal are produced automatically to each testing procedure.
The automatic testing equipment used in avionics system test described in the present embodiment, this device passes through store Combinations simulator, each target simulator, admittance driver, the test accessories such as carrier aircraft flight simulator carry out the connection of Real-time Network, the each test accessory of automatic control produces the signal with strict sequential order in each inspection step, and under the control of test master control platform, by a kind of method that can be called as retrieval type automatic decision, carry out the judgement of data correctness, thus complete automatic test, by this embodiment, effectively improve the efficiency of avionics system test, and improve the comprehensive of test automatically to a great extent.
Embodiment 2
See accompanying drawing 2, tested avionics system 1 comprises control system, remote terminal 1, remote terminal 2.Radar simulator is connected by radio-frequency cable with remote terminal 2; For remote terminal 2 provides the target data of simulation; Carrier aircraft flight simulator is connected with remote terminal 1 and is connected by ARINC429 bus, for remote terminal 1 provides the carrier aircraft flight parameter of simulation; Remote terminal 1, remote terminal 2 are connected by bus with integrated test system with control, make integrated test system gather the data of tested avionics system; Simultaneously, radar simulator, carrier aircraft flight simulator 2, judgement are connected with Real-time Network switch 13 by optical-fibre channel with register system 9, integrated test system 8, test master control platform 6, prompt system 10, realize whole automatic testing equipment and complete test under the unified control of test master control platform.
In this testing procedure, in tested avionics system, the data stream transmitting of control system, remote terminal 1 and remote terminal 2 is as follows: control system sends order to remote terminal 1 by data item 1, sends order to remote terminal 2 by data item 2; After two remote terminals receive orders, respectively by data item 3 and data item 4 return state, it is all correct that the state returned for remote terminal 1 comprises two kinds, but require that the response time is within 100ms, remote terminal 1 sends the stable data before being different from 300ms of clapping to remote terminal 2 by data item 5 more after 300ms simultaneously, requires that mistiming corresponding to many beat of data should be less than 200ms.
Respective stream of data is illustrated as follows:
The script edit that this testing procedure is corresponding is as follows:
Process 1:
1 data item 1: retrieval type=0, data type=meaning type, numerical value judges number=1, value=a, and the supervision time is poor=no, time reference=1, time delay=0
2 data item 2, retrieval type=0, data type=meaning type, numerical value judges number=1, value=b, and the supervision time is poor=no, time reference=2, time delay=0
Process 2:
1 data item 3: retrieval type=0, data type=meaning type, numerical value judges number=2, value=c or h, the supervision time is poor=be, mistiming scope=100ms, time reference=0, upper time reference=1, time delay=0
2 data item 4: retrieval type=0, data type=meaning type, numerical value judges number=1, value=data d, and the supervision time is poor=no, time reference=0, upper time reference=2, time delay=0
3 data item 5: retrieval type=1, data type=floating type, numerical value judges number=1, value=data e, and the supervision time is poor=no, time reference=1, upper time reference=1, time delay=300ms
Process 3:
1 data item 6: retrieval type=1, data type=floating type, numerical value judges number=0,
Supervision time is poor=be, mistiming scope=200ms, time reference=0, upper time reference=1
Above-mentioned script is utilized to judge:
First in data item 1 and data item 2, retrieve data a and data b, corresponding time hypothesis is respectively time 1 and time 2; Afterwards, at time 1 rear retrieve data c or h in data item 3, at time 2 rear retrieve data d in data 4, suppose that c and the d time of occurrence retrieved is respectively time 3 and time 4, the judgement time 3 is less than or equal to 100ms with the difference of time 1, simultaneously in data item 5, after time 1 time delay 300ms, extracts data, judge that these data should be e, the corresponding time is assumed to be the time 5; Last in data item 5, after the time 5, extract data, judge that the time of these data should differ within 200ms with the time 5.
If above-mentioned deterministic process can be carried out complete, then the judgement of this testing procedure is correct.
Claims (5)
1. the automatic testing equipment of an avionics system, be connected in tested avionics system (1), the automatic testing equipment of described avionics system comprises: test master control platform (6), integrated test system (8), judgement and register system (9); It is characterized in that: the automatic testing equipment of described avionics system also includes: carrier aircraft flight simulator (2), store Combinations simulator (3), admittance driver (4), non-avionics system emulator (5), each target simulator (7), prompt system (10); Wherein:
Carrier aircraft flight simulator (2) is connected with air data computer with the inertial navigation unit of avionics system, and store Combinations simulator (3), admittance driver (4), non-avionics system emulator (5), each target simulator (7), integrated test system (8) are connected with avionics system (1) respectively; Carrier aircraft flight simulator (2), store Combinations simulator (3), admittance driver (4), non-avionics system emulator (5), each target simulator (7), integrated test system (8), judgement are connected with test master control platform (6) respectively by Real-time Network with register system (9), prompt system (10).
2. according to the automatic testing equipment of avionics system described in claim 1, it is characterized in that: described carrier aircraft flight simulator (2) adopts computing machine to install the form of board (21), carrier aircraft flight simulator (2) comprises board (21) and real-time network interface card (14), and wherein the carrier aircraft flight parameter that computing module in carrier aircraft flight simulator generates is sent to inertial navigation set (11) in tested avionics system (1) and air data computer (12) by board passage by board (21); Real-time network interface card (14) is connected with Real-time Network switch (13) by optical-fibre channel.
3. according to the automatic testing equipment of avionics system described in claim 2, it is characterized in that: described each target simulator (7) is multiple target simulators, each simulator is equipped with real-time network interface card (14), is connected on the Real-time Network switch (13) of automatic testing equipment.
4. according to the automatic testing equipment of avionics system described in claim 3, it is characterized in that: described board (21) is specially ARINC429 board.
5. according to the automatic testing equipment of avionics system described in claim 4, it is characterized in that: described carrier aircraft flight simulator (2) is connected with avionics system by HB6069 bus, described store Combinations simulator (3) is connected with avionics system (1) by bus and/or discrete magnitude cable, non-avionics system emulator (5) is connected with avionics system by RS-422 bus, and integrated test system (8) is connected with avionics system with non-bus by bus.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103760439A (en) * | 2013-09-24 | 2014-04-30 | 中国航空工业集团公司沈阳飞机设计研究所 | Automatic test system of avionic system |
| CN105319463A (en) * | 2015-10-20 | 2016-02-10 | 沈阳航空航天大学 | Onboard ground test simulation exciter |
| CN108333958A (en) * | 2017-12-29 | 2018-07-27 | 北京航天测控技术有限公司 | A kind of multiplexing shape General Aviation Simulator |
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| CN113433922A (en) * | 2021-06-01 | 2021-09-24 | 中国航空工业集团公司沈阳飞机设计研究所 | Avionics system automatic test method and device |
| CN115173919A (en) * | 2022-05-27 | 2022-10-11 | 中国航空工业集团公司沈阳飞机设计研究所 | Air pull distance test method of launcher data chain |
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| CN103760439A (en) * | 2013-09-24 | 2014-04-30 | 中国航空工业集团公司沈阳飞机设计研究所 | Automatic test system of avionic system |
| CN103760439B (en) * | 2013-09-24 | 2016-04-06 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of Auto-Test System of avionics system |
| CN105319463A (en) * | 2015-10-20 | 2016-02-10 | 沈阳航空航天大学 | Onboard ground test simulation exciter |
| CN105319463B (en) * | 2015-10-20 | 2019-05-21 | 沈阳航空航天大学 | Machine upper ground surface test simulation driver |
| CN108333958A (en) * | 2017-12-29 | 2018-07-27 | 北京航天测控技术有限公司 | A kind of multiplexing shape General Aviation Simulator |
| CN109270918A (en) * | 2018-08-17 | 2019-01-25 | 国营芜湖机械厂 | A kind of aircraft avionics floor synthetic debugging system based on performance test |
| CN113433922A (en) * | 2021-06-01 | 2021-09-24 | 中国航空工业集团公司沈阳飞机设计研究所 | Avionics system automatic test method and device |
| CN115173919A (en) * | 2022-05-27 | 2022-10-11 | 中国航空工业集团公司沈阳飞机设计研究所 | Air pull distance test method of launcher data chain |
| CN115173919B (en) * | 2022-05-27 | 2023-11-28 | 中国航空工业集团公司沈阳飞机设计研究所 | Air pull-apart test method for data chain of emission |
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