CN103516560B - Method and scene setting method that test MVB network interface card AB road redundancy is switched - Google Patents
Method and scene setting method that test MVB network interface card AB road redundancy is switched Download PDFInfo
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- CN103516560B CN103516560B CN201310385393.8A CN201310385393A CN103516560B CN 103516560 B CN103516560 B CN 103516560B CN 201310385393 A CN201310385393 A CN 201310385393A CN 103516560 B CN103516560 B CN 103516560B
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Abstract
The invention discloses the method that a kind of MVB of test network interface card AB road redundancy is switched: disturbed AB part of path is set, tested MVB network interface card is set in correct duty of each period; A circuit between test network interface card; B circuit between test network interface card; In conjunction with tested MVB network interface card at A circuit and B circuit the tested MVB network interface card AB of the condition judgement road redundancy when tested switch reliability. The invention also discloses the scrnario testing method that a kind of MVB of test network interface card AB road redundancy is switched, the method that application testing MVB network interface card AB road redundancy is switched under different scenes is tested it, to check the fault-tolerance of tested MVB network interface card simultaneously.
Description
Technical field
The present invention relates to field of hardware, particularly a kind of test MVB network interface card AB roadMethod and scene setting method that redundancy is switched.
Background technology
MVB (MultifunctionVehicleBus, hereinafter to be referred as MVB) netNetwork is TCN (TrainCommunicationNetwork, hereinafter to be referred as TCN)Necessary component. With other several general fieldbus LonWorks, WordFIP,CAN etc., application is ON TRAINS compared, and MVB switches in real-time, AB road redundancy canBy sides such as property, manageability, media access control method, addressing system, communication service kindsFace has certain advantage. In order to ensure AB road redundancy switching reliability, MVB network can be adoptedUse the featuring diplonema redundancy scheme being formed by A line and two communication lines of B line, one, these two circuitsAs trusting line, another is as redundant line. Article two, circuit receives number from MVB network simultaneouslyAccording to, in the time that trust line goes wrong, wrong such as receiving data or receive data,Trusting line redundant line switches. The feelings that the scheme of featuring diplonema redundancy can be disturbed at a circuitUnder condition, continue normal network service, therefore in actual TCN train network application, quilt is wideGeneral use. MVB network need to be by special MVB network interface card access, and AB line redundancy is switchedIt is an important step of MVB network interface card functional test.
In international standard IEC61375-1, switch when carrying out A line and B line redundancy,And when state is subject to for trusting A line (LineATrusted is called for short LAT) and redundant lineDisturbing (RedundantLineDisturbed is called for short RLD) set or replacement has provided detailedDefinition. But, do not provide the correctness of how A line B line redundancy being switched to testMethod. In the uniformity test standard of IEC61375-2, do not relate to A line B line redundancy yetSwitch and carry out the fully content of test. In concrete practice, some manufacturers possibility basis oneselfUnderstand and simplify or redefine. In actual MVB network interface card research and development, lack effectivelyMethod of testing and platform, superfluous fully to check whether MVB network interface card has correctly realized AB lineRemaining handoff functionality. As far as we know, not right in current application both domestic and external and granted patent yetThe content of answering.
Summary of the invention
(1) technical problem that will solve
The object of the invention is to solve at present imperfect test MVB network interface card AB line superfluousCotangent changes the problem of Function detection specification and method.
(2) technical scheme
The present invention adopts following technical scheme:
Test the method that MVB network interface card AB road redundancy is switched, comprise the following steps:
1) disturbed AB part of path is set, AB part of path comprises A part of path and B circuitSection, arranges tested MVB network interface card in correct duty of each period;
2) test A circuit,
First disturb A circuit from original state, then remove interference, finally again to A circuitDisturb,
And detect the duty of tested MVB network interface card in the time that A circuit is tested;
3) test b circuit,
First disturb B circuit from original state, then remove interference,
Again load from A circuit the state then removing interference and disturb B circuit, then removeTo the interference of B circuit,
And detect the duty of tested MVB network interface card in the time that B circuit is tested;
4) in conjunction with tested MVB network interface card at A circuit and the tested condition judgement quilt of B circuitSurvey MVB network interface card AB road redundancy and switch reliability.
Preferably, in described step 1), disturbed AB part of path is:
AB part of path between tested MVB network interface card and standard MVB network interface card and two standardsAB part of path between MVB network interface card.
Preferably, be set tested each period of MVB network interface card described in described step 1) correctDuty, be respectively:
Original state is set to 80; The correct shape that after interference A circuit, tested MVB network interface card reachesState is set to 40; Removing the correct status that the tested MVB network interface card of A line-hit reaches is set to00; The correct status that after interference B circuit, tested MVB network interface card reaches is set to C0.
Preferably, described step 2) in the decision method of duty of tested MVB network interface cardFor, in the time that described network interface card meets following duty of testing simultaneously, tested MVB network interface card existsDuty when A circuit is tested is correct duty, the work shape that test should meetState is:
When described network interface card duty is 80, disturb A circuit, the duty of described network interface card becomesIt is 40 o'clock;
When described network interface card duty is 40, remove the interference to A circuit, the work of described network interface cardBecome at 00 o'clock as state;
When described network interface card duty is 00, disturb A circuit, the duty of described network interface card becomesIt is 40 o'clock.
Preferably, the decision method of the duty of tested MVB network interface card in described step 3)For, in the time that described network interface card meets following duty of testing simultaneously, tested MVB network interface cardDuty in the time that B circuit is tested is correct duty, the work that test should meetState is:
When described network interface card duty is 80, disturb B circuit, the duty of described network interface card becomesDuring for C0;
When described network interface card duty is 00, disturb B circuit, the duty of described network interface card becomesDuring for C0;
When described network interface card duty is C0, remove the interference to A circuit, described network interface cardDuty becomes at 80 o'clock.
Preferably, the tested MVB network interface card AB road redundancy of described step 4) is switched reliabilityDetermination methods be that and if only if tested MVB network interface card is at A circuit and B circuit when testedDuty while being all correct duty, tested MVB network interface card AB road redundancySwitching reliability meets the demands.
Test the scene setting method that MVB network interface card AB road redundancy is switched, arrange multipleApplication scenarios, utilizes the method described in claim 1 all to test every kind of scene, when andOnly, in the time that the test of every kind of scene all meets test request, tested MVB network interface card is by test.
Preferably, many application scenarios are divided into basic scene and complex scene.
Preferably, the method to set up of basic scene is:
A. standard MVB Network card setup is that main equipment, port are provided with source port and egress mouth,Tested MVB Network card setup is from equipment, and port is provided with source port and egress mouth;
B. standard MVB Network card setup is that main equipment, port setting only have source port, testedMVB Network card setup is from equipment, and port setting only has egress mouth;
C. standard MVB Network card setup is that main equipment, port setting only have egress mouth, testedMVB Network card setup is from equipment, and port setting only has source port;
D. tested MVB Network card setup is that main equipment, port are provided with source port and egress mouth,Standard MVB Network card setup is from equipment, and port is provided with source port and egress mouth;
E. tested MVB Network card setup is that main equipment, port setting only have source port, standardMVB Network card setup is from equipment, and port setting only has egress mouth;
F. tested MVB Network card setup is that main equipment, port setting only have egress mouth, standardMVB Network card setup is from equipment, and port setting only has source port.
Preferably, the method to set up of complex scene is that the first and second standard MVB nets are setCard and tested MVB network interface card topological structure and the master slave relation on network is right respectivelyDescribed 3 equipment had both existed source port also to have the situation of egress mouth, and only had source port or placeThe situation of port is tested, and the topological structure of 3 equipment and master slave relation are:
A. by the first standard MVB network interface card, tested MVB network interface card and the second standard network interface card according toStatement order forms MVB network from left to right. Wherein, the first standard MVB Network card setupFor main equipment, tested MVB Network card setup are for to be set to from establishing from equipment, the second standard network interface cardStandby;
B. by the first standard MVB network interface card, the second standard MVB network interface card and tested MVB netCard forms MVB network from left to right according to statement order. Wherein, the first standard MVB netCard is set to main equipment, the second standard MVB Network card setup is from equipment, tested MVB netCard is set to from equipment;
C. by tested MVB network interface card, the first standard MVB network interface card and the second standard MVB netCard forms MVB network from left to right according to statement order. Wherein, tested MVB network interface card is establishedBe set to main equipment, the first standard MVB Network card setup for from equipment, the second standard Network card setupFor from equipment.
(3) beneficial effect
The present invention, by adopting the technological means in technical scheme of the present invention, has formulated testMethod and scene setting method that MVB network interface card AB road redundancy is switched, solved at present and do not hadKind test MVB network interface card AB road redundancy is switched the problem of reliability detection specification and method.
Brief description of the drawings
Shown in Fig. 1 is the side that a kind of MVB of test network interface card AB of the present invention road redundancy is switchedThe AB drive test examination platform architecture schematic diagram of method;
Shown in Fig. 2 is the side that a kind of MVB of test network interface card AB of the present invention road redundancy is switchedMethod and the state diagram of expectation test result.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described further.Following examples are only for the present invention is described, but are not used for limiting the scope of the invention.
If Fig. 1 is a kind of MVB of the test network interface card AB of the present invention road redundancy method switchedAB drive test examination platform architecture schematic diagram, embodiments of the invention are applied platform as shown in Figure 1Complete dependence test.
Embodiment
The MVB network A B road test platform of the present embodiment, comprises following equipment:
MVB network interface card to be measured, is called for short IUT; Industrial control computer A, connects by PC104Mouth is connected with MVB network interface card to be measured, for implementation of test cases; Standard MVB network interface card TE1And TE2, there is bus management ability, be connected with MVB network interface card to be measured by MVB bus,Carry out normal data communication. Industrial control computer B1 and B2, connect by PC104 respectivelyMouth is connected with TE2 with standard MVB network interface card TE1, for implementation of test cases; MVB netNetwork supervisory programme, runs on industrial control computer A upper, and the corresponding address reading on network is establishedStandby device status word information.
Test process will cover the disturbed various situations of A line B line, judges main for the correctness of resultObserve following two kinds of results. The one, whether process data can proper communication, proper communication meaningThink of be can each process data port can regulation eigenperiod in by the number of source portAccording to sending to accurately on all egress mouths. The LAT of the 2nd, IUT device status word and RLDDisturbed according on network line of flag bit, has correct set and reset. LAT and RLDRespectively the 8th and the 9th of 16 device status words. In the time that LAT is 1, represent ALine is for trusting line; In the time that RLD is 1, represent that circuit is disturbed. We are with after device status word 8Position value 00,40,80 or C0 represent the different value condition of LAT and RLD.
When test, respectively A road and B road are implemented to disturb, then remove interference, detect testedWhether the device status word of network interface card meets expection AB road redundancy switches reliability, as shown in Figure 2.
Disturbed AB part of path is set. The method that disturbed AB part of path is set is:
The AB circuit arranging between tested MVB network interface card and standard MVB network interface card is disturbedAB part of path;
Arranging by the AB circuit between two standard MVB network interface cards is disturbed AB part of path.
Tested correct duty of each period of MVB network interface card is set, the work shape that it is correctState is respectively:
Original state is set to 80(hexadecimal, and highest order represents LAT, inferior high bit representationRLD); The correct status that after interference A circuit, tested MVB network interface card reaches is set to 40(tenSenary); Remove the correct status that the tested MVB network interface card of A line-hit reaches and be set to 00(hexadecimal); The correct status that after interference B circuit, tested MVB network interface card reaches is set toC0(hexadecimal).
And if only if just can be judged to be to meet while meeting following duty for tested MVB network interface cardThe requirement of AB field of line scape switch test:
When described network interface card duty is 80, disturb A circuit, the duty of described network interface card becomesIt is 40 o'clock;
When described network interface card duty is 40, remove the interference to A circuit, the work of described network interface cardBecome at 00 o'clock as state;
When described network interface card duty is 00, disturb A circuit, the duty of described network interface card becomesIt is 40 o'clock;
When described network interface card duty is 80, disturb B circuit, the duty of described network interface card becomesDuring for C0;
When described network interface card duty is 00, disturb B circuit, the duty of described network interface card becomesDuring for C0;
When described network interface card duty is C0, remove the interference to A circuit, described network interface cardDuty becomes at 80 o'clock.
Finish after above-mentioned test, more tested MVB network interface card is carried out the different scene in the situation thatTest, all adopts method of testing as shown in Figure 2 to test to every kind of scene, and and if only ifWhen the test of every kind of scene all meets test request, tested MVB network interface card is by test.
First application scenarios is set, and application scenarios is divided into basic scene and complex scene.
The method to set up of basic scene is:
A. standard MVB Network card setup is that main equipment, port are provided with source port and egress mouth,Tested MVB Network card setup is from equipment, and port is provided with source port and egress mouth;
B. standard MVB Network card setup is that main equipment, port setting only have source port, testedMVB Network card setup is from equipment, and port setting only has egress mouth;
C. standard MVB Network card setup is that main equipment, port setting only have egress mouth, testedMVB Network card setup is from equipment, and port setting only has source port;
D. tested MVB Network card setup is that main equipment, port are provided with source port and egress mouth,Standard MVB Network card setup is from equipment, and port is provided with source port and egress mouth;
E. tested MVB Network card setup is that main equipment, port setting only have source port, standardMVB Network card setup is from equipment, and port setting only has egress mouth;
F. tested MVB Network card setup is that main equipment, port setting only have egress mouth, standardMVB Network card setup is from equipment, and port setting only has source port.
The method to set up of complex scene is, the first and second standard MVB network interface cards and one are setTopological structure and the master slave relation of tested MVB network interface card on network, respectively to described 3Equipment had both existed source port also to have the situation of egress mouth, and only had the feelings of source port or egress mouthCondition is tested, and the topological structure of 3 equipment and master slave relation are:
A. by the first standard MVB network interface card, tested MVB network interface card and the second standard network interface card according toStatement order forms MVB network from left to right. Wherein, the first standard MVB Network card setupFor main equipment, tested MVB Network card setup are for to be set to from establishing from equipment, the second standard network interface cardStandby;
B. by the first standard MVB network interface card, the second standard MVB network interface card and tested MVB netCard forms MVB network from left to right according to statement order. Wherein, the first standard MVB netCard is set to main equipment, the second standard MVB Network card setup is from equipment, tested MVB netCard is set to from equipment;
C. by tested MVB network interface card, the first standard MVB network interface card and the second standard MVB netCard forms MVB network from left to right according to statement order. Wherein, tested MVB network interface card is establishedBe set to main equipment, the first standard MVB Network card setup for from equipment, the second standard Network card setupFor from equipment.
Send out any one in above two scenes of method test if adopt test as shown in Figure 2Time, when tested MVB network interface card is not operated in the duty of setting, tested MVB netBlock defective.
Above embodiment is only for the present invention is described, and limitation of the present invention is not relevantThe those of ordinary skill of technical field, without departing from the spirit and scope of the present invention,Can also make a variety of changes and modification, therefore all technical schemes that are equal to also belong to the present inventionProtection category.
Claims (10)
1. test the method that MVB network interface card AB road redundancy is switched, it is characterized in that the partyMethod comprises the following steps:
1) disturbed AB part of path is set, AB part of path comprises A part of path and B circuitSection, arranges tested MVB network interface card in correct duty of each period;
2) test A circuit,
First disturb A circuit from original state, then remove interference, finally again to A circuitDisturb,
And detect the duty of tested MVB network interface card in the time that A circuit is tested;
3) test b circuit,
First disturb B circuit from original state, then remove interference,
Again load from A circuit the state then removing interference and disturb B circuit, then removeTo the interference of B circuit,
And detect the duty of tested MVB network interface card in the time that B circuit is tested;
4) tested at A circuit and the tested condition judgement of B circuit in conjunction with tested MVB network interface cardMVB network interface card AB road redundancy is switched reliability.
2. a kind of side that MVB network interface card AB road redundancy is switched that tests according to claim 1Method, is characterized in that, described step 1) in disturbed AB part of path be:
AB part of path between tested MVB network interface card and standard MVB network interface card and two standardsAB part of path between MVB network interface card.
3. a kind of side that MVB network interface card AB road redundancy is switched that tests according to claim 2Method, is characterized in that, described step 1) described in be set just tested each period of MVB network interface cardTrue duty, is respectively:
Original state is set to 80; The correct status that after interference A circuit, tested MVB network interface card reachesBe set to 40; Remove the correct status that the tested MVB network interface card of A line-hit reaches and be set to 00;The correct status that after interference B circuit, tested MVB network interface card reaches is set to C0.
4. a kind of side that MVB network interface card AB road redundancy is switched that tests according to claim 3Method, is characterized in that, described step 2) in the judgement side of duty of tested MVB network interface cardMethod is, in the time that described network interface card meets following duty of testing simultaneously, tested MVB network interface card existsDuty when A circuit is tested is correct duty, the duty that test should be satisfiedFor:
When described network interface card duty is 80, disturb A circuit, the duty of described network interface card becomesIt is 40 o'clock;
When described network interface card duty is 40, remove the interference to A circuit, the work of described network interface cardBecome at 00 o'clock as state;
When described network interface card duty is 00, disturb A circuit, the duty of described network interface card becomesIt is 40 o'clock.
5. a kind of side that MVB network interface card AB road redundancy is switched that tests according to claim 4Method, is characterized in that, described step 3) in the judgement side of duty of tested MVB network interface cardMethod is, in the time that described network interface card meets following duty of testing simultaneously, and tested MVB network interface cardDuty in the time that B circuit is tested is correct duty, the work shape that test should meetState is:
When described network interface card duty is 80, disturb B circuit, the duty of described network interface card becomesDuring for C0;
When described network interface card duty is 00, disturb B circuit, the duty of described network interface card becomesDuring for C0;
When described network interface card duty is C0, remove the interference to B circuit, the work of described network interface cardBecome at 80 o'clock as state.
6. a kind of side that MVB network interface card AB road redundancy is switched that tests according to claim 1Method, described step 4) the tested MVB network interface card AB road redundancy judgement side of switching reliabilityMethod is, and if only if tested MVB network interface card is the duty when tested at A circuit and B circuitWhile being all correct duty, it is full that tested MVB network interface card AB road redundancy is switched reliabilityFoot requirement.
7. test the scene setting method that MVB network interface card AB road redundancy is switched, its feature existsIn, plurality of application scenes is set, utilize the method described in claim 1 all to carry out every kind of sceneTest, when the test of every kind of scene that and if only if all meets test request, tested MVB network interface cardBy test.
8. according to a kind of scene that MVB network interface card AB road redundancy is switched of testing claimed in claim 7Method to set up, is characterized in that, many application scenarios are divided into basic scene and complex scene.
9. according to a kind of scene that MVB network interface card AB road redundancy is switched of testing claimed in claim 8Method to set up, is characterized in that, the method to set up of basic scene is:
A. standard MVB Network card setup is that main equipment, port are provided with source port and egress mouth, quiltSurveying MVB Network card setup is from equipment, and port is provided with source port and egress mouth;
B. standard MVB Network card setup is that main equipment, port setting only have source port, tested MVBNetwork card setup is from equipment, and port setting only has egress mouth;
C. standard MVB Network card setup is that main equipment, port setting only have egress mouth, tested MVBNetwork card setup is from equipment, and port setting only has source port;
D. tested MVB Network card setup is that main equipment, port are provided with source port and egress mouth,Standard MVB Network card setup is from equipment, and port is provided with source port and egress mouth;
E. tested MVB Network card setup is that main equipment, port setting only have source port, standard MVBNetwork card setup is from equipment, and port setting only has egress mouth;
F. tested MVB Network card setup is that main equipment, port setting only have egress mouth, standard MVBNetwork card setup is from equipment, and port setting only has source port.
10. according to a kind of field that MVB network interface card AB road redundancy is switched of testing claimed in claim 8Scape method to set up, is characterized in that, the method to set up of complex scene is that the first and second marks are setAccurate MVB network interface card and tested MVB network interface card topological structure and the master slave relation on network,Respectively to the first standard MVB network interface card, the second standard MVB network interface card and tested MVB netCard had both existed source port also to have the situation of egress mouth, and only had the situation of source port or egress mouth to enterRow test, described the first standard MVB network interface card, the second standard MVB network interface card and tested MVBThe topological structure of network interface card and master slave relation are:
A. by the first standard MVB network interface card, tested MVB network interface card and the second standard network interface card according to oldState order and form from left to right MVB network; Wherein, the first standard MVB Network card setup is mainEquipment, tested MVB Network card setup are for to be set to from equipment from equipment, the second standard network interface card;
B. by the first standard MVB network interface card, the second standard MVB network interface card and tested MVB network interface cardForm from left to right MVB network according to statement order; Wherein, the first standard MVB network interface card is establishedBe set to main equipment, the second standard MVB Network card setup for from equipment, tested MVB Network card setupFor from equipment;
C. by tested MVB network interface card, the first standard MVB network interface card and the second standard MVB network interface cardForm from left to right MVB network according to statement order; Wherein, tested MVB Network card setup isMain equipment, the first standard MVB Network card setup are for to be set to from establishing from equipment, the second standard network interface cardStandby.
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| CN107231280A (en) * | 2017-06-22 | 2017-10-03 | 中车信息技术有限公司 | A kind of method and device of the circuit redundancy switching of MVB network card |
| CN107204899A (en) * | 2017-06-30 | 2017-09-26 | 郑州云海信息技术有限公司 | A kind of method of testing of network interface card, device and terminal |
| CN110654421B (en) * | 2019-11-08 | 2021-07-16 | 中车株洲电力机车有限公司 | Method and device for communication by using multifunctional vehicle bus |
| CN114679403A (en) * | 2022-03-04 | 2022-06-28 | 南京康曼电子科技有限公司 | MVB board card maintenance system |
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| CN1661505A (en) * | 2004-12-28 | 2005-08-31 | 株洲时代集团公司 | General multifunctional bus interface for vehicles |
| CN201193041Y (en) * | 2008-08-14 | 2009-02-11 | 铁道部运输局 | Traction control system based on TCN network |
| CN202713346U (en) * | 2012-07-27 | 2013-01-30 | 中国北车股份有限公司大连电力牵引研发中心 | Multifunctional vehicle bus interference device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1661505A (en) * | 2004-12-28 | 2005-08-31 | 株洲时代集团公司 | General multifunctional bus interface for vehicles |
| CN201193041Y (en) * | 2008-08-14 | 2009-02-11 | 铁道部运输局 | Traction control system based on TCN network |
| CN202713346U (en) * | 2012-07-27 | 2013-01-30 | 中国北车股份有限公司大连电力牵引研发中心 | Multifunctional vehicle bus interference device |
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Address after: 100084 Haidian District Tsinghua Yuan Beijing No. 1 Co-patentee after: CRRC INFOTECH CO., LTD. Patentee after: Tsinghua University Address before: 100084 Beijing Haidian District Tsinghua Yuan 100084-82 mailbox Co-patentee before: T H Soft Information Technology Co., Ltd. Patentee before: Tsinghua University |