CN104753744A - Bus single-machine fully-autonomous online test method and test system - Google Patents
Bus single-machine fully-autonomous online test method and test system Download PDFInfo
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Abstract
The invention discloses a bus single-machine fully-automatic online test method and a test system. The method comprises the following steps: S1, detecting the working time of a tested single machine by adopting a synchronous time detection module; S2, carrying out the periodic circulating feedback for the tested single machine by adopting a message circulating detection module; S3, transmitting a self-detection signal to each tested single machine by virtue of a single-machine self-detection module, and enabling each single machine to complete the self detection; S4, carrying out the mode code response test for each tested single machine by virtue of a mode code response module; S5, verifying and testing each tested single machine by virtue of a verification test module. By adopting the bus single-machine fully-autonomous online test method and the test system, the test can be completely autonomously carried out in a flow manner by virtue of online bus message organization, main functions of a coverage communication interface, a circuit and an on-rocket product can be tested, and the working state of the on-rocket product is evaluated; the health diagnosis and decision for satellites, aircrafts, airships and rocket on-oribit bus single machines can be carried out.
Description
Technical field
The present invention relates to single machine test field, particularly a kind of complete autonomous on-line testing method of bus unit and test macro.
Background technology
Along with the reinforcement that modern aerospace electron synthesization requires, be that the intelligent unit of representative becomes main flow gradually with MIL-STD-1553B, it has the features such as transmission rate is fast, compound mode is flexible, is widely used on the spacecraft such as rocket, guided missile.The intelligent unit that modern spacecraft and armament systems relate to is many, and each unit is powerful, and integrated level is high.
Stand-alone device test mainly adopts the pattern of excitation+sampling, and by applying pumping signal at unit input, the signal simultaneously measuring unit output carries out judging that whether Output rusults is reasonable, thus reaches test purpose.
The test of space industry and testing equipment and unit mainly use dummycable to carry out Signal transmissions, and test cable is numerous, require high to wire cable; Testing equipment and software many, test interface disunity, test job amount is large.Particularly fault is difficult to simulation, and the performance index under abnormal conditions are difficult to examination, and testing adequacy is difficult to ensure.Domestic space industry not yet openly reports arrow ground, device ground and the ground integrated test of star, and the technology of autonomous Gernral Check-up and decision-making is in-orbit applied.
Summary of the invention
The object of this invention is to provide a kind of complete autonomous on-line testing method of bus unit and test macro, can entirely test by autonomous, the online bus message tissue of procedure, the major function of product on Test coverage communication interface, path and arrow, and provide the evaluation of product working status on arrow; Also can be used for the Gernral Check-up of bus unit and the decision-making in-orbit of satellite, aircraft, airship and rocket simultaneously.
In order to realize above object, the present invention is achieved by the following technical solutions:
A kind of complete autonomous on-line testing method of bus unit, be characterized in, the method comprises:
S1, the carrying out to the tested unit operating time detects detection module lock in time;
S2, message loop detection module carries out periodic cycle feedback to tested unit;
S3, unit selftest module sends self-test signal to each tested unit, makes the unit described in each complete self-inspection;
S4, mode code respond module carries out mode code response test to described tested unit;
S5, check test module carries out check test to described tested unit.
Described S1 specifically comprises:
S1.A, lock in time, detection module sent time synchronized instruction to tested unit;
S1.B, the time message that lock in time, detection module sent according to tested unit, detection time, whether by synchronously, if so, then performs S1.C, if not, then performs S1.B.1;
S1.C, control module sends the synchronous mode code instruction that takes off of broadcast to tested unit;
S1.D, the whether reset of the tested unit time described in judgement, if not, then performs S1.E, if so, then performs S1.D.1;
S1.E, records and the synchronous mode code instruction that takes off of tested unit response broadcast described in showing is correct;
S1.F, control module sends Non-Broadcast Multicast Access to tested unit and to take off synchronous mode code instruction;
S1.G, the whether reset of the tested unit time described in judgement, if not, then performs S1.H, if so, then performs S1.G.1;
S1.H, records the synchronous mode code instruction and tested unit response Non-Broadcast Multicast Access described in showing takes off correct;
S1.B.1, record is displaying time timing error information also;
S1.D.1, records and the synchronous mode code instruction mistake of taking off of tested unit response broadcast described in showing, and performs S1.F;
S1.G.1, records the synchronous mode code instruction mistake and tested unit response Non-Broadcast Multicast Access described in showing takes off.
Described S2 specifically comprises:
S2.1, message loop detection module sends cycle detection message to tested unit;
S2.2, within the time of presetting, the back production of message loop detection module is by 32 bit data of the subaddressing of measured motor;
S2.3, judges the 32 bit data whether negate of the described subaddressing of back production, if so, then performs S2.4, if not, then perform S2.3.1;
S2.4, records and to show cycle detection state correct;
S2.3.1, records and shows cycle detection status error.
Described cycle detection message is: the cycle detection message of broadcast or Non-Broadcast Multicast Access cycle detection message.
Described S3 specifically comprises:
S3.1, control module is to tested unit sending mode code unlocking signal;
S3.2, the back production of unit selftest module is by the self-inspection information of the subaddressing of measured motor;
S3.3, control module sends to tested unit and starts Auto-Sensing Mode coded signal;
S3.4, within the time of presetting, the back production of unit selftest module is by the self-inspection information of the subaddressing of measured motor and resolve self-inspection status word;
S3.5, judges whether the time of described self-inspection information upgrades, and if so, then performs S3.6, if not, then performs S3.5.1;
S3.6, whether the self-inspection status word described in judgement is 0 entirely, if so, then performs S3.7, if not, then performs S3.6.1;
S3.7, shows tested unit self-inspection state correct;
S3.8, control module is to tested unit sending mode code locking signal, and tested unit locks after obtaining mode code locking signal;
S3.5.1, records and shows self-inspection information and do not upgrade, and performs S3.8;
S3.6.1, records and shows tested unit and make mistakes, and perform S3.8.
Described S4 comprises:
S4.1, mode code respond module, to tested unit sending mode code instruction, judges that whether initial condition is correct, if correctly, then performs S4.2, if mistake, then perform S4.1.1;
S4.2, control module is to tested unit sending mode code unlock command;
S4.3, whether the mode code described in judgement unlocks correct, if correctly, then performs S4.4, if mistake, then performs S4.3.1;
S4.4, control module is to tested unit sending mode code lock instruction;
S4.5, whether the mode code locking described in judgement is correct, if correctly, then performs S4.6, if mistake, then performs S4.5.1;
S4.6, Report mode code response test completes;
S4.1.1, Report mode code initial condition arranges mistake;
S4.3.1, the mode code described in report unlocks mistake;
S4.5.1, the mode code locking mistake described in report.
Described S5 comprises:
S5.1, check test module sends CRC check information to tested unit, and described control information is with cyclic redundancy check (CRC) code;
S5.2, whether the CRC check information described in correction verification module verification is correct, if correctly, then described tested unit is according to the prescribed response of bus communication protocol, if mistake, then tested unit does not respond.
The complete autonomous Online Transaction Processing of a kind of bus unit, is characterized in, described system by bus respectively unit tested with several be connected;
Described system comprises control module, detection module lock in time be connected with control module respectively, message loop detection module, unit selftest module, mode code respond module and check test module.
The present invention compared with prior art, has the following advantages:
1. utilize 1553B bus communication means, devise integrated on-line testing scheme, automatically realize arrow ground connecting path switching controls and impedance matching;
2. pair method of testing designs, and makes on arrow that system testing is meeting under spreadability prerequisite, easy and quick;
3. simplify test process, save the testing time, reduce human failure in test process;
4. have wide range of applications, the health status that realizes being applied to the star of operation on orbit, arrow, device and ship after adaptability change detects and decision-making.
Accompanying drawing explanation
Fig. 1 is the flow chart of the complete autonomous on-line testing method of a kind of bus unit of the present invention.
Embodiment
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the present invention is further elaborated.
See Fig. 1, a kind of complete autonomous on-line testing method of bus unit, the method comprises:
S1, the carrying out to the tested unit operating time detects detection module lock in time;
S2, message loop detection module carries out periodic cycle feedback to tested unit;
S3, unit selftest module sends self-test signal to each tested unit, makes the unit described in each complete self-inspection;
S4, mode code respond module carries out mode code response test to described tested unit;
S5, check test module carries out check test to described tested unit.
Above-mentioned S1 specifically comprises:
S1.A, lock in time, detection module sent time synchronized instruction to tested unit;
S1.B, the time message that lock in time, detection module sent according to tested unit, detection time, whether by synchronously, if so, then performs S1.C, if not, then performs S1.B.1;
S1.C, control module sends the synchronous mode code instruction that takes off of broadcast to tested unit;
S1.D, the whether reset of the tested unit time described in judgement, if not, then performs S1.E, if so, then performs S1.D.1;
S1.E, records and the synchronous mode code instruction that takes off of tested unit response broadcast described in showing is correct;
S1.F, control module sends Non-Broadcast Multicast Access to tested unit and to take off synchronous mode code instruction;
S1.G, the whether reset of the tested unit time described in judgement, if not, then performs S1.H, if so, then performs S1.G.1;
S1.H, records the synchronous mode code instruction and tested unit response Non-Broadcast Multicast Access described in showing takes off correct;
S1.B.1, record is displaying time timing error information also;
S1.D.1, records and the synchronous mode code instruction mistake of taking off of tested unit response broadcast described in showing, and performs S1.F;
S1.G.1, records the synchronous mode code instruction mistake and tested unit response Non-Broadcast Multicast Access described in showing takes off.
For general controller, turn level controller and also can carry out time synchronized by above-mentioned steps.
Above-mentioned S2 specifically comprises:
S2.1, message loop detection module sends cycle detection message to the subaddressing of tested unit;
S2.2, after tested unit receives cycle detection message, after data step-by-step negate, and within the time of presetting, the back production of message loop detection module is by 32 bit data of the subaddressing of measured motor;
S2.3, judges the 32 bit data whether negate of the described subaddressing of back production, if so, then performs S2.4, if not, then perform S2.3.1;
S2.4, records and to show cycle detection state correct;
S2.3.1, records and shows cycle detection status error.
Above-mentioned cycle detection message is: the cycle detection message of broadcast or Non-Broadcast Multicast Access cycle detection message.
Above-mentioned S3 specifically comprises:
S3.1, control module is to tested unit sending mode code unlocking signal;
S3.2, the back production of unit selftest module is by the self-inspection information of the subaddressing of measured motor;
S3.3, control module sends to tested unit and starts Auto-Sensing Mode coded signal;
S3.4, within the time of presetting, the back production of unit selftest module is by the self-inspection information of the subaddressing of measured motor and resolve self-inspection status word;
S3.5, judges whether the time of described self-inspection information upgrades, and if so, then performs S3.6, if not, then performs S3.5.1;
S3.6, whether the self-inspection status word described in judgement is 0 entirely, if so, then performs S3.7, if not, then performs S3.6.1;
S3.7, shows tested unit self-inspection state correct;
S3.8, control module is to tested unit sending mode code locking signal, and tested unit locks after obtaining mode code locking signal;
S3.5.1, records and shows self-inspection information and do not upgrade, and performs S3.8;
S3.6.1, records and shows tested unit and make mistakes, and perform S3.8.
Above-mentioned S4 comprises:
S4.1, mode code respond module, to tested unit sending mode code instruction, judges that whether initial condition is correct, if correctly, then performs S4.2, if mistake, then perform S4.1.1;
S4.2, control module is to tested unit sending mode code unlock command;
S4.3, whether the mode code described in judgement unlocks correct, if correctly, then performs S4.4, if mistake, then performs S4.3.1;
S4.4, control module is to tested unit sending mode code lock instruction;
S4.5, whether the mode code locking described in judgement is correct, if correctly, then performs S4.6, if mistake, then performs S4.5.1;
S4.6, Report mode code response test completes;
S4.1.1, Report mode code initial condition arranges mistake;
S4.3.1, the mode code described in report unlocks mistake;
S4.5.1, the mode code locking mistake described in report.
Above-mentioned S5 comprises:
S5.1, check test module sends CRC check information to tested unit, and described control information is with cyclic redundancy check (CRC) code;
S5.2, whether the CRC check information described in correction verification module verification is correct, if correctly, then described tested unit is according to the prescribed response of bus communication protocol, if mistake, then tested unit does not respond.
Concrete, in above-mentioned steps S5.2, CRC check information is the mode code lockout message of the time synchronized message of CRC check mistake and/or the mode code unblock message of CRC check mistake and/or CRC check mistake.
The complete autonomous Online Transaction Processing of a kind of bus unit, described system by 1553B bus respectively unit tested with several be connected; Described system comprises control module, detection module lock in time be connected with control module respectively, message loop detection module, unit selftest module, mode code respond module and check test module.
When test event, this system can carry out ground test or remote testing, during ground test; tested unit adopts bus multiplexer to realize and bus widening; after ground test terminates, tested unit is separated with bus switch, and bus is separated to adopt and realizes containing two coaxial digital-to-analogue mixed loading separation connector.
In sum, the complete autonomous on-line testing method of a kind of bus unit of the present invention and test macro, entirely can test by autonomous, the online bus message tissue of procedure, the major function of product on Test coverage communication interface, path and arrow, and provide the evaluation of product working status on arrow; Also can be used for the Gernral Check-up of bus unit and the decision-making in-orbit of satellite, aircraft, airship and rocket simultaneously.
Although content of the present invention has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (8)
1. the complete autonomous on-line testing method of bus unit, it is characterized in that, the method comprises:
S1, the carrying out to the tested unit operating time detects detection module lock in time;
S2, message loop detection module carries out periodic cycle feedback to tested unit;
S3, unit selftest module sends self-test signal to each tested unit, makes the unit described in each complete self-inspection;
S4, mode code respond module carries out mode code response test to described tested unit;
S5, check test module carries out check test to described tested unit.
2. the complete autonomous on-line testing method of bus unit as claimed in claim 1, it is characterized in that, described S1 specifically comprises:
S1.A, lock in time, detection module sent time synchronized instruction to tested unit;
S1.B, the time message that lock in time, detection module sent according to tested unit, detection time, whether by synchronously, if so, then performs S1.C, if not, then performs S1.B.1;
S1.C, control module sends the synchronous mode code instruction that takes off of broadcast to tested unit;
S1.D, the whether reset of the tested unit time described in judgement, if not, then performs S1.E, if so, then performs S1.D.1;
S1.E, records and the synchronous mode code instruction that takes off of tested unit response broadcast described in showing is correct;
S1.F, control module sends Non-Broadcast Multicast Access to tested unit and to take off synchronous mode code instruction;
S1.G, the whether reset of the tested unit time described in judgement, if not, then performs S1.H, if so, then performs S1.G.1;
S1.H, records the synchronous mode code instruction and tested unit response Non-Broadcast Multicast Access described in showing takes off correct;
S1.B.1, record is displaying time timing error information also;
S1.D.1, records and the synchronous mode code instruction mistake of taking off of tested unit response broadcast described in showing, and performs S1.F;
S1.G.1, records the synchronous mode code instruction mistake and tested unit response Non-Broadcast Multicast Access described in showing takes off.
3. the complete autonomous on-line testing method of bus unit as claimed in claim 1, it is characterized in that, described S2 specifically comprises:
S2.1, message loop detection module sends cycle detection message to tested unit;
S2.2, within the time of presetting, the back production of message loop detection module is by 32 bit data of the subaddressing of measured motor;
S2.3, judges the 32 bit data whether negate of the described subaddressing of back production, if so, then performs S2.4, if not, then perform S2.3.1;
S2.4, records and to show cycle detection state correct;
S2.3.1, records and shows cycle detection status error.
4. the complete autonomous on-line testing method of bus unit as claimed in claim 3, it is characterized in that, described cycle detection message is: the cycle detection message of broadcast or Non-Broadcast Multicast Access cycle detection message.
5. the complete autonomous on-line testing method of bus unit as claimed in claim 1, it is characterized in that, described S3 specifically comprises:
S3.1, control module is to tested unit sending mode code unlocking signal;
S3.2, the back production of unit selftest module is by the self-inspection information of the subaddressing of measured motor;
S3.3, control module sends to tested unit and starts Auto-Sensing Mode coded signal;
S3.4, within the time of presetting, the back production of unit selftest module is by the self-inspection information of the subaddressing of measured motor and resolve self-inspection status word;
S3.5, judges whether the time of described self-inspection information upgrades, and if so, then performs S3.6, if not, then performs S3.5.1;
S3.6, whether the self-inspection status word described in judgement is 0 entirely, if so, then performs S3.7, if not, then performs S3.6.1;
S3.7, shows tested unit self-inspection state correct;
S3.8, control module is to tested unit sending mode code locking signal, and tested unit locks after obtaining mode code locking signal;
S3.5.1, records and shows self-inspection information and do not upgrade, and performs S3.8;
S3.6.1, records and shows tested unit and make mistakes, and perform S3.8.
6. the complete autonomous on-line testing method of bus unit as claimed in claim 1, it is characterized in that, described S4 comprises:
S4.1, mode code respond module, to tested unit sending mode code instruction, judges that whether initial condition is correct, if correctly, then performs S4.2, if mistake, then perform S4.1.1;
S4.2, control module is to tested unit sending mode code unlock command;
S4.3, whether the mode code described in judgement unlocks correct, if correctly, then performs S4.4, if mistake, then performs S4.3.1;
S4.4, control module is to tested unit sending mode code lock instruction;
S4.5, whether the mode code locking described in judgement is correct, if correctly, then performs S4.6, if mistake, then performs S4.5.1;
S4.6, Report mode code response test completes;
S4.1.1, Report mode code initial condition arranges mistake;
S4.3.1, the mode code described in report unlocks mistake;
S4.5.1, the mode code locking mistake described in report.
7. the complete autonomous on-line testing method of bus unit as claimed in claim 1, it is characterized in that, described S5 comprises:
S5.1, check test module sends CRC check information to tested unit, and described control information is with cyclic redundancy check (CRC) code;
S5.2, whether the CRC check information described in correction verification module verification is correct, if correctly, then described tested unit is according to the prescribed response of bus communication protocol, if mistake, then tested unit does not respond.
8. the complete autonomous Online Transaction Processing of bus unit, is characterized in that, described system by bus respectively unit tested with several be connected;
Described system comprises control module, detection module lock in time be connected with control module respectively, message loop detection module, unit selftest module, mode code respond module and check test module.
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