CN102075523B - Simulation device for network control logic verification of motor train unit - Google Patents
Simulation device for network control logic verification of motor train unit Download PDFInfo
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Abstract
The invention relates to a simulation device for network control logic verification of a motor train unit, and belongs to the technical field of traffic control. The simulation device comprises first and second master controllers, a wire train bus simulator, a driver operating interface host, first and second protocol converters, and first and second simulation computers. The master control units of the device are realized by adopting a high-performance floating point digital signal processor (DSP) of target identification (TI) and mount two multifunctional vehicle buses respectively; a wire train bus is realized through a simulator to connect the two multifunctional vehicle buses, and realizes data transceiving function under a wire train bus protocol on the interior; the interaction of the master control units and the motor train unit equipment is realized by adopting an Ethernet, a personal computer (PC) machine is further accessed to the Ethernet through an Ethernet card, and conversion of a multifunctional vehicle bus protocol and an Ethernet protocol is realized in the PC machine; and finally, the PC machine of the simulation motor train unit equipment is accessed to the Ethernet. The device has high verification efficiency, strong reusability and low cost, and is convenient to maintain.
Description
Technical field
The present invention relates to a kind of simulator for network control logic verification of motor train unit, belong to technical field of traffic control.
Background technology
Motor train unit integrates many parts such as machinery, electric power, electronics, control unit and pneumatic means, is a kind of track vehicle of high speed, is also a kind of very complicated giant mechanical and electrical equipment simultaneously.Compare with the power-centralized type train, the power distribute type EMU with motor-driven power wheel to dispersed placement in the more piece compartment, thereby electric equipment is numerous, device structure is complicated, electrical characteristic is various.Train network control system is a distributed system with high reliability, high-security applications demand, and it is by the capital equipment on Information Monitoring and transmission command management train, for the safe operation of EMU provides technical guarantee.Motor train unit train network control system guarantees one of train safe, core technology reliable, efficiently operation, is the key technology equipment of realizing bullet train.
At present, the train network control system that China has independent intellectual property right still is in conceptual phase, and technology is full maturity not yet.Build emulation, the verification platform of motor train unit network control system, laboratory tests and verification environment can not only be provided for the research and development of key equipment, can also provide an effective technical support for the integration testing of system and the analysis verification of innovation scheme.
Traditional functional test or logic verification method come from the test of digital circuit substantially.General way is by test code, comprises that excitation produces, interpretation of result, realizes the functional verification of logic system.The motor train unit network control system is spatially or in logic all the large scale system of a complexity, carries out functional test if the method for test code is write in independent dependence, and not only workload is huge and correctness also is difficult to guarantee.Along with improving constantly of computing power, the current analogue simulation that carries out large scale system has become possibility.What generally, Computer Simulation was studied mostly is the physical characteristic of goal systems.The emulation of motor train unit network control system is except the physical characteristic (train resistance) of system itself, and what relate to is the logic behaviour of network control system more.
Summary of the invention
The objective of the invention is to propose a kind of simulator for network control logic verification of motor train unit, realize the logic checking of motor train unit network control system, and introduce Ethernet performance evaluating afterwards in controlling network, and reduce the difficulty of checking, and improve the correctness of checking.
The simulator that is used for network control logic verification of motor train unit that the present invention proposes comprises:
the first master controller, be used for receiving front train runing parameters and the front train apparatus status signal that the first simulation computer sends, and with control logic, the front train runing parameters and the front train apparatus status signal that receive are processed, obtain front train control signal and front train apparatus control signal, and front train control signal and front train apparatus control signal are sent to the first simulation computer, the front train apparatus status signal that will receive simultaneously and front train runing parameters are issued driver operation interface main frame, the first master controller is connected with driver operation interface main frame by multifunction vehicle bus and wired train bus simulator,
the second master controller, be used for receiving rear train runing parameters and the rear train apparatus status signal that the second simulation computer sends, and with control logic, the rear train runing parameters and the rear train apparatus status signal that receive are processed, obtain rear train control signal and rear train apparatus control signal, and rear train control signal and rear train apparatus control signal are sent to the second simulation computer, the rear train apparatus status signal that will receive simultaneously and rear train runing parameters are issued driver operation interface main frame, the second master controller is connected with driver operation interface main frame by multifunction vehicle bus and wired train bus simulator,
The wired train bus simulator be used for to connect two multifunction vehicle bus, realizes communicating by letter between the first master controller and the second master controller, and two ports of wired train bus simulator are connected with multifunction vehicle bus respectively;
Driver operation interface main frame, be used for to show front train runing parameters and front train apparatus status signal and rear train runing parameters and rear train apparatus status signal that the first master controller and the second master controller are sent, driver operation interface main frame is connected with the second master controller with the first master controller by multifunction vehicle bus respectively;
The first protocol converter and second protocol transducer are respectively used to carry out the communication Protocol Conversion between Ethernet and multifunction vehicle bus, realize the data communication of Ethernet and multifunction vehicle bus;
The first simulation computer, for generation of front train runing parameters and front train apparatus status signal, and this signal is sent to the first master controller, receive front train operation control signal and front train apparatus control signal that the first master controller is sent, carry out obtaining after simulation calculation current operational factor and the equipment state signal of front train according to control signal, the first simulation computer is by the Ethernet card access network based on ethernet;
The second simulation computer, for generation of rear train runing parameters and rear train apparatus status signal, and this signal is sent to the second master controller, receive rear train operation control signal and rear train apparatus control signal that the second master controller is sent, carry out obtaining after simulation calculation current operational factor and the equipment state signal of rear train according to control signal, the second simulation computer is by the Ethernet card access network based on ethernet.
In above-mentioned simulator, described wired train bus simulator comprises:
The multifunction vehicle bus network interface card, be used for receiving the data of multifunction vehicle bus, and the data that receive are sent to data cache module, and reading out data and send to multifunction vehicle bus from data cache module, the multifunction vehicle bus network interface card is connected with multifunction vehicle bus;
The first data cache module and the second data cache module, be respectively used to receive the data that the multifunction vehicle bus network interface card sends, store and be forwarded to the wired train bus protocol conversion module, receive the data of wired train bus protocol conversion module, store and be forwarded to the multifunction vehicle bus network interface card, data cache module is connected with the wired train bus protocol conversion module with the multifunction vehicle bus network interface card respectively;
The wired train bus protocol conversion module, be used for from the first data cache module or the second data cache module reading out data, and the data transaction that reads is become data under the wired train bus agreement, again this data transaction is become the data under the multifunction vehicle bus agreement, processing is obtained data write the second data cache module or the first data cache module.
In above-mentioned simulator, described the first protocol converter and second protocol transducer comprise respectively:
The multifunction vehicle bus network interface card receives the data of multifunction vehicle bus, and sends to data cache module, and from the data cache module reading out data and send to multifunction vehicle bus, the multifunction vehicle bus network interface card is connected with multifunction vehicle bus;
Ethernet card receives the data of Ethernet, and sends to data cache module, and from the data cache module reading out data and send to Ethernet, Ethernet card is connected with Ethernet;
The 3rd data cache module, the transceiving data for storage and forwarding multifunction vehicle bus network interface card and multifunction vehicle bus protocol conversion module connects multifunction vehicle bus network interface card and multifunction vehicle bus protocol conversion module;
The 4th data cache module, the transceiving data for storage and forwarding Ethernet card and multifunction vehicle bus protocol conversion module connects Ethernet card and multifunction vehicle bus protocol conversion module;
The multifunction vehicle bus protocol conversion module, receive the data that the multifunction vehicle bus network interface card is sent, and be sent to Ethernet card after being converted to data under Ethernet protocol, receive the data that Ethernet card is sent, and being sent to the multifunction vehicle bus network interface card after being converted to data under the multifunction vehicle bus agreement, the multifunction vehicle bus protocol conversion module is connected with Ethernet card with the multifunction vehicle bus network interface card by data cache module respectively.
Advantage of the present invention is to be convenient to the logic of motor train unit network control system is verified in the running environment of laboratory environment Imitating motor train unit, and verification efficiency is high, reusability is strong, easy to maintenance, and cost is lower.Simultaneously, adopt ethernet communication between motor train unit main control unit in the present invention and controlled plant, completed the Ethernet of motor train unit network control system and realized under laboratory environment, for the motor train unit control system design of a new generation provides support platform with exploitation.
Description of drawings
Fig. 1 is the structured flowchart of simulator of the present invention.
Fig. 2 is the structured flowchart of wired train bus simulator in simulator of the present invention.
Fig. 3 is the structured flowchart of protocol converter in simulator of the present invention.
Embodiment
The simulator that is used for network control logic verification of motor train unit that the present invention proposes, its structured flowchart comprises as shown in Figure 1:
the first master controller, be used for receiving front train runing parameters and the front train apparatus status signal that the first simulation computer sends, and with control logic, the front train runing parameters and the front train apparatus status signal that receive are processed, obtain front train control signal and front train apparatus control signal, and front train control signal and front train apparatus control signal are sent to the first simulation computer, the front train apparatus status signal that will receive simultaneously and front train runing parameters are issued driver operation interface main frame, the first master controller is connected with driver operation interface main frame by multifunction vehicle bus and wired train bus simulator,
the second master controller, be used for receiving rear train runing parameters and the rear train apparatus status signal that the second simulation computer sends, and with control logic, the rear train runing parameters and the rear train apparatus status signal that receive are processed, obtain rear train control signal and rear train apparatus control signal, and rear train control signal and rear train apparatus control signal are sent to the second simulation computer, the rear train apparatus status signal that will receive simultaneously and rear train runing parameters are issued driver operation interface main frame, the second master controller is connected with driver operation interface main frame by multifunction vehicle bus and wired train bus simulator,
The wired train bus simulator be used for to connect two multifunction vehicle bus, realizes communicating by letter between the first master controller and the second master controller, and two ports of wired train bus simulator are connected with multifunction vehicle bus respectively;
Driver operation interface main frame, be used for to show front train runing parameters and front train apparatus status signal and rear train runing parameters and rear train apparatus status signal that the first master controller and the second master controller are sent, driver operation interface main frame is connected with the second master controller with the first master controller by multifunction vehicle bus respectively;
The first protocol converter and second protocol transducer are respectively used to carry out the communication Protocol Conversion between Ethernet and multifunction vehicle bus, realize the data communication of Ethernet and multifunction vehicle bus;
The first simulation computer, for generation of front train runing parameters and front train apparatus status signal, and this signal is sent to the first master controller, receive front train operation control signal and front train apparatus control signal that the first master controller is sent, carry out obtaining after simulation calculation current operational factor and the equipment state signal of front train according to control signal, the first simulation computer is by the Ethernet card access network based on ethernet;
The second simulation computer, for generation of rear train runing parameters and rear train apparatus status signal, and this signal is sent to the second master controller, receive rear train operation control signal and rear train apparatus control signal that the second master controller is sent, carry out obtaining after simulation calculation current operational factor and the equipment state signal of rear train according to control signal, the second simulation computer is by the Ethernet card access network based on ethernet.
In above-mentioned simulator, the structured flowchart of described wired train bus simulator comprises as shown in Figure 2:
The multifunction vehicle bus network interface card, be used for receiving the data of multifunction vehicle bus, and the data that receive are sent to data cache module, and reading out data and send to multifunction vehicle bus from data cache module, the multifunction vehicle bus network interface card is connected with multifunction vehicle bus;
The first data cache module and the second data cache module, be respectively used to receive the data that the multifunction vehicle bus network interface card sends, store and be forwarded to the wired train bus protocol conversion module, receive the data of wired train bus protocol conversion module, store and be forwarded to the multifunction vehicle bus network interface card, data cache module is connected with the wired train bus protocol conversion module with the multifunction vehicle bus network interface card respectively;
The wired train bus protocol conversion module, be used for from the first data cache module or the second data cache module reading out data, and the data transaction that reads is become data under the wired train bus agreement, again this data transaction is become the data under the multifunction vehicle bus agreement, processing is obtained data write the second data cache module or the first data cache module.
In above-mentioned simulator, the structure of described the first protocol converter and second protocol transducer comprises respectively as shown in Figure 3:
The multifunction vehicle bus network interface card receives the data of multifunction vehicle bus, and sends to data cache module, and from the data cache module reading out data and send to multifunction vehicle bus, the multifunction vehicle bus network interface card is connected with multifunction vehicle bus;
Ethernet card receives the data of Ethernet, and sends to data cache module, and from the data cache module reading out data and send to Ethernet, Ethernet card is connected with Ethernet;
The 3rd data cache module, the transceiving data for storage and forwarding multifunction vehicle bus network interface card and multifunction vehicle bus protocol conversion module connects multifunction vehicle bus network interface card and multifunction vehicle bus protocol conversion module;
The 4th data cache module, the transceiving data for storage and forwarding Ethernet card and multifunction vehicle bus protocol conversion module connects Ethernet card and multifunction vehicle bus protocol conversion module;
The multifunction vehicle bus protocol conversion module, receive the data that the multifunction vehicle bus network interface card is sent, and be sent to Ethernet card after being converted to data under Ethernet protocol, receive the data that Ethernet card is sent, and being sent to the multifunction vehicle bus network interface card after being converted to data under the multifunction vehicle bus agreement, the multifunction vehicle bus protocol conversion module is connected with Ethernet card with the multifunction vehicle bus network interface card by data cache module respectively.
The motor train unit network control system structurally can be divided into master controller, ancillary equipment and communication network three partial contents.Logic control and the condition monitoring program of having solidified respectively half train in two master controllers.Particular hardware realizes, in simulator of the present invention, adopt the high performance float-point DSP of TI company as main controller, concrete model is TMS320C6713B-300, lay respectively at two headstocks of motor train unit, the communication between main control unit adopts wired train bus to realize.
At first, with two master controller access wired train bus simulators, main control unit and multifunction vehicle bus all adopt motor train unit in kind herein by two multifunction vehicle bus.The first is because the logic core of motor train unit network control system is main control unit, so main purpose of the present invention also can be described as the logic function of checking motor train unit controller in kind; On the other hand, the controller material object only provides the cause of multifunction vehicle bus interface, can only will connect by the form of multifunction vehicle bus a main control unit under laboratory environment and connect.train runing parameters and train apparatus status signal that master controller sends by the simulation computer that receives lower floor, and with control logic, the train runing parameters and the train apparatus status signal that receive are processed, obtain Train Control signal and train apparatus control signal, and Train Control signal and train apparatus control signal are sent to simulation computer, simultaneously the train apparatus status signal that receives and train runing parameters are issued driver operation interface main frame, controller is connected with driver operation interface main frame by multifunction vehicle bus and wired train bus simulator,
Driver operation interface main frame is used for the train runing parameters and the train apparatus status signal that show that master controller is sent.Will for the PC of driver operation interface simulation by two moving function vehicle bus network interface cards simultaneously carries in two moving function vehicle bus, realize the interactive function of logic testing personnel and train simulation system.The objective of the invention is the checking of motor train unit control logic, so the operation interface here is different from actual driver operation interface, except having the basic interface interface of driver operation, need simultaneously to provide the condition monitoring of train underlying device, and the variable query interface of analogue system internal logic.Driver operation interface main frame is connected with the second master controller with the first master controller by multifunction vehicle bus respectively;
The function of wired train bus simulator is to realize the communication of equipment room on two moving function vehicle bus, for fear of the address conflict between two moving function vehicle bus equipment, so need to carry out bridge joint by the wired train bus simulator, between finishing equipment across bus communication.By a PC that two moving function vehicle bus network interface cards are housed, two moving function vehicle bus are connected, realize virtual wired train bus agreement in PC inside, realize acceptance and the forwarding capability of data.That wherein, moving function vehicle bus network interface card particular hardware adopts is the D013 of Switzerland Duagon company.Two ports of wired train bus simulator are connected with multifunction vehicle bus respectively;
Protocol converter, the communication Protocol Conversion for carrying out between Ethernet and multifunction vehicle bus realizes the data communication of Ethernet and multifunction vehicle bus.Another characteristics of the present invention are exactly the impact that checking Ethernet motor train unit is controlled network performance.Ethernet relies on it at a high speed, and advantage is extensively adopted by industrial circle easily.Because problems such as the real-time of motor train unit control network and electromagnetic interference, the imagination of Industrial Ethernet being introduced real-time control network not yet realizes.The present invention uses the moving function vehicle bus between main control unit and train intelligent control unit instead Ethernet and replaces, and tests final control performance.The protocol converter implementation procedure is: by at PC of moving function vehicle bus carry, and then PC is accessed local ethernet by Ethernet card, in the inner conversion that realizes moving function vehicle bus agreement and Ethernet protocol of PC; At last with the PC access network based on ethernet of emulation motor train unit equipment.
The present invention of the ancillary equipment of motor train unit adopts simulation computer to realize.Under laboratory environment, be unpractical with the motor train unit controlled plant of reality access analogue system, so the present invention realizes the simulation of train apparatus model by the PC of an operational outfit simulation software.Here the train apparatus model that relates to mainly comprises basic Modeling Method for Train Dynamics, traction control unit, brak control unit, Auxiliary Control Element etc.Simulation computer is by producing train runing parameters and train apparatus status signal, and this signal is sent to master controller, receive train operation control signal and train apparatus control signal that master controller is sent, carry out obtaining after simulation calculation current operational factor and the equipment state signal of train according to control signal.Simulation computer is by the Ethernet card access network based on ethernet.
Claims (2)
1. simulator that is used for network control logic verification of motor train unit is characterized in that this simulator comprises:
the first master controller, be used for receiving front train runing parameters and the front train apparatus status signal that the first simulation computer sends, and with control logic, the front train runing parameters and the front train apparatus status signal that receive are processed, obtain front train control signal and front train apparatus control signal, and front train control signal and front train apparatus control signal are sent to the first simulation computer, the front train apparatus status signal that will receive simultaneously and front train runing parameters are issued driver operation interface main frame, the first master controller is connected with driver operation interface main frame by multifunction vehicle bus and wired train bus simulator,
the second master controller, be used for receiving rear train runing parameters and the rear train apparatus status signal that the second simulation computer sends, and with control logic, the rear train runing parameters and the rear train apparatus status signal that receive are processed, obtain rear train control signal and rear train apparatus control signal, and rear train control signal and rear train apparatus control signal are sent to the second simulation computer, the rear train apparatus status signal that will receive simultaneously and rear train runing parameters are issued driver operation interface main frame, the second master controller is connected with driver operation interface main frame by multifunction vehicle bus and wired train bus simulator,
the wired train bus simulator, be used for connecting two multifunction vehicle bus, realize communicating by letter between the first master controller and the second master controller, two ports of wired train bus simulator are connected with multifunction vehicle bus respectively, described wired train bus simulator comprises: the multifunction vehicle bus network interface card, be used for receiving the data of multifunction vehicle bus, and the data that receive are sent to data cache module, reading out data and send to multifunction vehicle bus from data cache module, the multifunction vehicle bus network interface card is connected with multifunction vehicle bus, the first data cache module and the second data cache module, be respectively used to receive the data that the multifunction vehicle bus network interface card sends, store and be forwarded to the wired train bus protocol conversion module, receive the data of wired train bus protocol conversion module, store and be forwarded to the multifunction vehicle bus network interface card, data cache module is connected with the wired train bus protocol conversion module with the multifunction vehicle bus network interface card respectively, the wired train bus protocol conversion module, be used for from the first data cache module or the second data cache module reading out data, and the data transaction that reads is become data under the wired train bus agreement, again this data transaction is become the data under the multifunction vehicle bus agreement, processing is obtained data write the second data cache module or the first data cache module,
Driver operation interface main frame, be used for to show front train runing parameters and front train apparatus status signal and rear train runing parameters and rear train apparatus status signal that the first master controller and the second master controller are sent, driver operation interface main frame is connected with the second master controller with the first master controller by multifunction vehicle bus respectively;
The first protocol converter and second protocol transducer are respectively used to carry out the communication Protocol Conversion between Ethernet and multifunction vehicle bus, realize the data communication of Ethernet and multifunction vehicle bus;
The first simulation computer, for generation of front train runing parameters and front train apparatus status signal, and this signal is sent to the first master controller, receive front train operation control signal and front train apparatus control signal that the first master controller is sent, carry out obtaining after simulation calculation current operational factor and the equipment state signal of front train according to control signal, the first simulation computer is by the Ethernet card access network based on ethernet;
The second simulation computer, for generation of rear train runing parameters and rear train apparatus status signal, and this signal is sent to the second master controller, receive rear train operation control signal and rear train apparatus control signal that the second master controller is sent, carry out obtaining after simulation calculation current operational factor and the equipment state signal of rear train according to control signal, the second simulation computer is by the Ethernet card access network based on ethernet.
2. simulator as claimed in claim 1 is characterized in that wherein said the first protocol converter and second protocol transducer comprise respectively:
The multifunction vehicle bus network interface card receives the data of multifunction vehicle bus, and sends to data cache module, and from the data cache module reading out data and send to multifunction vehicle bus, the multifunction vehicle bus network interface card is connected with multifunction vehicle bus;
Ethernet card receives the data of Ethernet, and sends to data cache module, and from the data cache module reading out data and send to Ethernet, Ethernet card is connected with Ethernet;
The 3rd data cache module, the transceiving data for storage and forwarding multifunction vehicle bus network interface card and multifunction vehicle bus protocol conversion module connects multifunction vehicle bus network interface card and multifunction vehicle bus protocol conversion module;
The 4th data cache module, the transceiving data for storage and forwarding Ethernet card and multifunction vehicle bus protocol conversion module connects Ethernet card and multifunction vehicle bus protocol conversion module;
The multifunction vehicle bus protocol conversion module, receive the data that the multifunction vehicle bus network interface card is sent, and be sent to Ethernet card after being converted to data under Ethernet protocol, receive the data that Ethernet card is sent, and being sent to the multifunction vehicle bus network interface card after being converted to data under the multifunction vehicle bus agreement, the multifunction vehicle bus protocol conversion module is connected with Ethernet card with the multifunction vehicle bus network interface card by data cache module respectively.
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