CN105759631A - Train network control system semi-physical simulation testing system and method - Google Patents
Train network control system semi-physical simulation testing system and method Download PDFInfo
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- CN105759631A CN105759631A CN201610181237.3A CN201610181237A CN105759631A CN 105759631 A CN105759631 A CN 105759631A CN 201610181237 A CN201610181237 A CN 201610181237A CN 105759631 A CN105759631 A CN 105759631A
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Abstract
The invention discloses a train network control system semi-physical simulation testing system comprising a simulation testing host and a data conversion module. The data conversion module is separately connected with the simulation testing host and a train network control system. The invention further discloses a testing method comprising the followings steps of: S01, a test starts and the simulation testing host simulates a control unit in a train to send testing instructions of various control unit simulating models to the data conversion module; S02, the data conversion module unpacks the testing instructions into MVB data and sends the MVB data to the train network control system; S03, a tested train network control system receives the MVB data and then feeds a feedback signal converted by the data conversion module back to the simulation testing host; and S04, the simulation testing host determines whether the tested train network control system operates normally or not according to the running states of the various control unit simulating models. The train network control system semi-physical simulation testing system and method has high testing precision and convenient operation.
Description
Technical field
The invention mainly relates to train network technical field, refer in particular to a kind of train network control system semi-hardware type simulation test system and method.
Background technology
In recent years, along with technology of track traffic is fast-developing, user and passenger to the safety of train, comfortableness, the feature of environmental protection, energy saving requirement improve constantly, the function making Train Control is more complicated；The market competition globalizes, and makes the construction cycle more shorten.Therefore from 2008, domestic rail vehicle began with the train bus-line network based on IEC61375 standard and realizes train complex control and fault state monitoring, in order to meet the needs of user and the market competition.
Train network control system realizes the nerve of rail vehicle and the function of brain, it is responsible for the functions such as the control of car load, status monitoring, accident analysis, safe guiding, third party device associated there is numerous, such as traction control unit (DCU), auxiliary converter control unit (ACU), brak control unit (BCU), remote I/O unit (RIOM) etc.；Train network control system interface is more, possesses and has MVB interface, WTB interface, I/O interface, 485 interfaces etc..Train network control system is needed to test, a set of Simulation Test Environment consistent with train network control system peripheral environment must be built, build the test environment of 1:1 according to the configuring condition of every train for each project, will be with the increase of project makes the cost of test environment increase, place increases, and maintenance workload increases.
Train network control system is on stream, it is necessary to develop according to the third party device such as condition such as traction control unit (DCU), auxiliary converter control unit (ACU), brak control unit (BCU), remote I/O unit (RIOM), rail vehicle running environment that the demand of client, train network load.After train puts into operation, for the feedback of the problem found in running and client, software need to be optimized maintenance.In exploitation and maintenance process, the function of train network control system whether safety, complete, reliable, whether performance is stable etc. is required for constantly debugging and test checking proves.
Debugging and the test event of train network control system are various, and owing to field adjustable efficiency is affected by factors, debugging cycle is relatively long, and network control system controls logic to obtain complete validation difficulty relatively greatly at the scene, and the time is also longer.Factors above considerably increases the integrated cost of development project, including human cost, opportunity cost and commissioning device cost.
Summary of the invention
The technical problem to be solved in the present invention is that for the technical problem that prior art exists, the present invention provides the train network control system semi-hardware type simulation test system that a kind of simple in construction, measuring accuracy are high, and provides a kind of easy and simple to handle, train network control system half-practicality imitation test method that measuring accuracy is high mutually.
For solving above-mentioned technical problem, the technical scheme that the present invention proposes is:
A kind of train network control system semi-hardware type simulation test system, including emulation testing main frame and data conversion module, described data conversion module is connected with emulation testing main frame and tested train network control system respectively；Described emulation testing main frame is used for setting up each control unit phantom of train, and simulate each control unit phantom through Ethernet to data conversion module send test instruction, described data conversion module is used for receiving test instruction and changing into MVB data, retransmit to tested train network control system, tested train control system receive MVB data and process by analysis after transmission feedback signal to data conversion module, described data conversion module sends to emulation testing main frame after feedback signal being converted, described emulation testing main frame passes through the running status testing each control unit test model to judge that whether tested train network control system is working properly.
Further improvement as technique scheme:
Also including serial server, described serial server is connected with emulation testing main frame and tested train network control system respectively, is connected with emulation testing main frame by industry ethernet after the serial on modules in tested train network control system is debugged communication interface set.
The control unit phantom that described emulation testing main frame is set up includes traction control unit phantom, auxiliary converter control unit phantom, brak control unit phantom and remote I/O control unit phantom, and each phantom carries out data interaction each through industry ethernet and data conversion module.
Described emulation testing main frame is connected to realize the mutual of data with described data conversion module by Ethernet switch.
Also include cabinet, DC source and alternating current power supply it is provided with in described cabinet, described DC source, serial server, data conversion module and tested train network control system are mounted on the front of cabinet and are arranged in order from bottom to up, and described alternating current power supply is installed on the back side of described cabinet.
The invention also discloses a kind of method of testing based on train network control system semi-hardware type simulation test system as above, comprise the following steps:
S01, test start, the control unit being associated with tested train network control system simulated by described emulation testing main frame, and set up corresponding control unit phantom, by industry ethernet, the test instruction of each control unit phantom is sent to data conversion module；
Test instruction solution is bundled into MVB data by S02, described data conversion module, sends MVB data to tested train network control system through MVB；
After S03, tested train network control system receive MVB data, sending feedback signal to data conversion module, data conversion module sends to emulation testing main frame after feedback signal being converted again；
S04, described emulation testing main frame according to the running status of each control unit phantom to judge that whether tested train network control system working properly.
Further improvement as technique scheme:
Described data conversion module gathers the feedback signal of tested train network control system by the fixing cycle.
Compared with prior art, it is an advantage of the current invention that:
The train network control system semi-hardware type simulation test system of the present invention, simulate, by emulation testing main frame, the control unit being associated with tested train network control system and set up phantom, sent by phantom and test instruction accordingly, send after converting then through data conversion module to tested train network control system, tested train network control system sends corresponding feedback command based on test instruction again, send to emulation testing main frame through data conversion module, test the running status of each phantom on main frame again through test emulation and remove to judge tested train network control system whether normal operation；Due to the fact that the closed loop test between test instruction and feedback command, its measuring accuracy is higher, and simple in construction.
Accompanying drawing explanation
Fig. 1 is the system block diagram of the present invention.
Fig. 2 is the MVB topological diagram of present system.
Fig. 3 is the WTB topological diagram of present system.
Fig. 4 is the main TV structure schematic diagram of cabinet in present system.
Fig. 5 is the backsight structural representation of cabinet in present system.
Number in the figure represents: 1, emulation testing main frame；2, data conversion module；3, serial server；4, tested train network control system；41, CCU unit；42, IDU display；5, Ethernet switch；6, DC source；7, alternating current power supply；8, cabinet；81, multiple unit socket.
Detailed description of the invention
Below in conjunction with Figure of description and specific embodiment, the invention will be further described.
As shown in Figures 1 to 5, the train network control system semi-hardware type simulation test system of the present embodiment, including emulation testing main frame 1 and data conversion module, data conversion module 2 is connected with emulation testing main frame 1 and tested train network control system 4 respectively；Emulation testing main frame 1 is used for setting up each control unit phantom of train, and simulate each control unit phantom through Ethernet to data conversion module 2 send test instruction, data conversion module is used for receiving test instruction and changing into MVB data, retransmit to tested train network control system 4, tested train control system receive MVB data and process by analysis after transmission feedback signal to data conversion module 2, data conversion module 2 sends to emulation testing main frame 1 after feedback signal being converted, whether emulation testing main frame 1 is working properly to judge tested train network control system 4 by the running status testing each control unit test model.The emulation test system simple in construction of the present invention, and adopt the closed loop test between test instruction and feedback command, its measuring accuracy is higher.
In the present embodiment, also include serial server 3, serial server 3 is connected with emulation testing main frame 1 and tested train network control system 4 respectively, is connected with emulation testing main frame 1 by industry ethernet after the serial on modules in tested train network control system 4 is debugged communication interface set, consequently facilitating be uniformly controlled, manage and monitor each serial equipment, it is possible to make developer concentrate the equipment to tested network control system carry out AccessPort and safeguard more new procedures after being directly connected into Ethernet with exploitation PC.
In the present embodiment, the control unit phantom that emulation testing main frame 1 is set up includes traction control unit phantom, auxiliary converter control unit phantom, brak control unit phantom and remote I/O control unit phantom, each phantom carries out data interaction each through industry ethernet and data conversion module 2, wherein the abbreviation of each control unit is respectively: traction control unit is DCU, auxiliary converter control unit is ACU, brak control unit is BCU and remote I/O unit is RIOM, and each control unit phantom is connected to realize the mutual of data with data conversion module 2 each through Ethernet switch 5 in emulation testing main frame 1, Ethernet switch 5 is for by all of equipment networking with Ethernet interface.By Ethernet switch 5, serial server 3, each model etc. with Ethernet interface are coupled together, so that being uniformly controlled, managing, monitoring each ethernet device, it is achieved by single-point, the Ethernet interface equipment of car load is debugged, software upgrading and fault data download etc..
In the present embodiment, also include cabinet 8, DC source 6 and alternating current power supply 7 it is provided with in cabinet 8, DC source 6 and alternating current power supply 7 provide power supply for each self-corresponding equipment, wherein DC source 6, serial server 3, data conversion module 2 and tested train network control system 4 are mounted on the front of cabinet 8 and are arranged in order from bottom to up, alternating current power supply 7 is installed on the back side of cabinet 8, by each integration of equipments at same cabinet 8, thus simple to operate, easy to maintenance.Train network control system in the present embodiment includes CCU unit 41 and two IDU display 42, wherein CCU unit 41 is CPU, CPU is installed on the top in cabinet 8 front, additionally CCU unit 41 is by three GWM modules and ERM module composition, wherein three GWM modules are integrated vehicle control module, MVB management module and WTB Gateway Function respectively, and ERM module is event logging module.
In the present embodiment, the WTB bus network topology of semi-matter simulating system is as shown in Figure 3, the WTB cable of both direction is connected to the heavily loaded socket at cabinet 8 back side, is connected two heavily loaded sockets by line transfer between cabinet 8 with cabinet 8, it may be achieved the heavy UNICOM news between rolling stock.Between cabinet, the exchange of CL1, CL2 multiple unit socket 81 connects and can realize locomotive different directions and heavily join, CL2 such as the CL1 and cabinet y of cabinet x is connected, the CL1 of the CL1 and cabinet y of cabinet x is connected, the CL1 of the CL2 and cabinet y of cabinet x is connected, the CL2 of the CL2 and cabinet y of cabinet x is connected, and the heavily connection of the simulation two above rolling stock different directions of row connects.
The invention also discloses a kind of train network control system half-practicality imitation test method, comprise the following steps:
S01, test start, the control unit being associated with tested train network control system 4 simulated by emulation testing main frame 1, and set up the control unit phantom of correspondence, the test instruction of each control unit phantom being sent to data conversion module 2 with the form of UPD packet by industry ethernet, wherein each control unit includes traction control cells D CU, auxiliary converter control unit ACU, brak control unit BCU and remote I/O unit R IOM；
The test instruction of UPD data packet form is unpacked the distribution MVB port to agreement by S02, data conversion module 2, sends MVB data to tested train network control system 4 through MVB；
After S03, tested train network control system 4 receive MVB data, analyze accordingly, feedback signal is sent to MVB, data conversion module 2 gathers, according to the fixing cycle (such as with 128s for a cycle), the data that tested train network control system 4 sends, and feedback signal changes into UPD form and sends to emulation testing main frame 1；
S04, emulation testing main frame 1 get the data fed back, and data are distributed to each control unit phantom, and whether the running status according to each control unit phantom is working properly to judge tested train network control system 4.
Below for remote I/O unit R IOM, the method for testing of the present invention is described further:
(1), click emulation testing main frame 1 software interface in pantograph rising bow button, send pantograph rising bow order；
(2), input bit corresponding in RIOM phantom is by set；
(3), the correspondence position position in the Ethernet data bag of data conversion module issued by emulation testing main frame 1；
(4), data conversion module receive UDP message bag and resolve into MVB packet, transmit data to MVB, pantograph rising bow order be sent to instruction MVB port (in MVB, CCU think this port be actual RIOM equipment send data)；
(5), CCU receive this instruction, through internal logic computing judge, send a feedback command；
(6), data conversion module receive the instruction of CCU, be converted to Ethernet data bag and send each phantom of emulation testing main frame 1 to；
(7), phantom judges that the feedback command of CCU is simulated on software interface and is judged that whether this instruction of train network control system is correct by bow action.
Below being only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment, and all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that, for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, should be regarded as protection scope of the present invention.
Claims (7)
1. a train network control system semi-hardware type simulation test system, it is characterized in that, including emulation testing main frame (1) and data conversion module (2), described data conversion module (2) is connected with emulation testing main frame (1) and tested train network control system (4) respectively；Described emulation testing main frame (1) is used for setting up each control unit phantom of train, and simulate each control unit phantom through Ethernet to data conversion module (2) send test instruction, described data conversion module (2) is used for receiving test instruction and changing into MVB data, retransmit to tested train network control system (4), tested train control system receive MVB data and process by analysis after transmission feedback signal to data conversion module (2), described data conversion module (2) sends to emulation testing main frame (1) after feedback signal being converted, whether described emulation testing main frame (1) is working properly to judge tested train network control system (4) by the running status testing each control unit test model.
2. train network control system semi-hardware type simulation test system according to claim 1, it is characterized in that, also including serial server (3), described serial server (3) is connected with emulation testing main frame (1) and tested train network control system (4) respectively, is connected with emulation testing main frame (1) by industry ethernet after the serial on modules in tested train network control system (4) is debugged communication interface set.
3. train network control system semi-hardware type simulation test system according to claim 1 and 2, it is characterized in that, the control unit phantom that described emulation testing main frame (1) is set up includes traction control unit phantom, auxiliary converter control unit phantom, brak control unit phantom and remote I/O control unit phantom, and each phantom carries out data interaction each through industry ethernet and data conversion module (2).
4. train network control system semi-hardware type simulation test system according to claim 3, it is characterised in that described emulation testing main frame (1) is connected to realize the mutual of data with described data conversion module (2) by Ethernet switch (5).
5. train network control system semi-hardware type simulation test system according to claim 1 and 2, it is characterized in that, also include cabinet (8), DC source (6) and alternating current power supply (7) it is provided with in described cabinet (8), described DC source (6), serial server (3), data conversion module (2) and tested train network control system (4) are mounted on the front of cabinet (8) and are arranged in order from bottom to up, and described alternating current power supply (7) is installed on the back side of described cabinet (8).
6. the method for testing based on the train network control system semi-hardware type simulation test system described in any one in claim 1 to 5, it is characterised in that comprise the following steps:
S01, test start, described emulation testing main frame (1) simulates the control unit being associated with tested train network control system (4), and set up corresponding control unit phantom, by industry ethernet, the test instruction of each control unit phantom is sent to data conversion module (2)；
Test instruction solution is bundled into MVB data by S02, described data conversion module (2), sends MVB data to tested train network control system (4) through MVB；
After S03, tested train network control system (4) receive MVB data, sending feedback signal to data conversion module (2), data conversion module (2) sends to emulation testing main frame (1) after feedback signal being converted again；
Whether S04, described emulation testing main frame (1) be working properly to judge tested train network control system (4) according to the running status of each control unit phantom.
7. train network control system half Case Simulation method of testing according to claim 5, it is characterised in that described data conversion module (2) gathers the feedback signal of tested train network control system (4) by the fixing cycle.
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