CN105807750A - Semi-physical simulation test device and test method for transmission control unit of urban rail vehicle - Google Patents

Semi-physical simulation test device and test method for transmission control unit of urban rail vehicle Download PDF

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Publication number
CN105807750A
CN105807750A CN201410839666.6A CN201410839666A CN105807750A CN 105807750 A CN105807750 A CN 105807750A CN 201410839666 A CN201410839666 A CN 201410839666A CN 105807750 A CN105807750 A CN 105807750A
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signal
unit
main control
control computer
data
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CN105807750B (en
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段静
苏理
陈明奎
李进进
余长超
李想利
莫伟书
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Zhuzhou CRRC Times Electric Co Ltd
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Zhuzhou CSR Times Electric Co Ltd
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Abstract

The invention discloses a semi-physical simulation test device for a transmission control unit of an urban rail vehicle. The device comprises a main control computer, a switch, a data interface conversion unit and a signal conversion system, wherein the main control computer is separately connected with a communication conversion unit of the signal conversion system and a physical controller via the switch; the switch is a transfer station of network data, and is used for transmitting the network data among the main control computer, the communication conversion unit of the signal conversion system and the tested physical controller; through the data interface conversion unit, the main control computer directly controls in and out of signals of an analog output unit of the signal conversion system via a data conversion card; and the signal conversion system is connected with the physical controller via an external interface, and is used for conditioning signals and converting network signals. The device has the advantages of simplifying the operation, improving the design efficiency, comprehensively testing and verifying the traction and transmission functions of urban rail vehicles and the like.

Description

The semi-hardware type simulation test device of a kind of city rail vehicle motion control unit and method of testing
Technical field
Present invention relates generally to the field tests of city rail vehicle motion control unit, refer in particular to a kind of semi-hardware type simulation test device suitable in city rail vehicle motion control unit and method of testing.
Background technology
Motion control unit is one of key equipment of rolling stock, has the title of " heart " of rolling stock.Its Main Function is to provide stable Traction Drive to control for city rail vehicle, and it the most directly affects traffic safety and the operational efficiency of rolling stock.Motion control unit is usually entered the veneers such as ejecting plate, signal transducer, pulse conditioning plate, motor control panel, aid in treatment plate formed by power panel, CPU board, numeral, each veneer is inserted in a control unit in some way, is carried out transmission and the reception etc. of the data exchange between each veneer and control command by backboard.The logical control program of rolling stock operates in the CPU card of gear unit, and due to vehicle difference, logic control mode is also widely different.
In the design process of city rail vehicle motion control unit, after designer develops motion control unit, how motion control unit cabinet function is carried out efficient, test reliably, and lookup and the eliminating of logic control fault is carried out according to test result, to understand the every logic function controlling cabinet in time, it it is the necessary problems faced of rolling stock motion control unit exploitation manufacturing firm.
In traditional approach, designer is after developing motion control unit, itself and other electrical equipments are arranged on city rail vehicle, the functional test of gear unit is carried out when actual running environment, in actual operation debugging process, designer finds mistake, carries out logic correction, manually recorded fault message.So could judge whether the control logic of development and function meet the demand of client.And different vehicles all needs to repeat the debugging process of getting on the bus of this complexity, cycle length, cost are high, efficiency is low.Moreover, the rolling stock for complex and expensive carries out trail run debugging test, is that client is unacceptable.
Therefore, it is highly desirable to research a kind of in laboratory just energy simulating vehicle actual environment, the method carrying out debugging vehicle gear unit logic software, thus verifying the correctness of gear unit, improving efficiency, reducing 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, and the present invention provides a kind of can simplify operation, raising design efficiency, the semi-hardware type simulation test device that can carry out the city rail vehicle motion control unit of city rail vehicle Traction Drive complete function test checking and method of testing.
For solving above-mentioned technical problem, the present invention by the following technical solutions:
The semi-hardware type simulation test device of a kind of city rail vehicle motion control unit, including main control computer, switch, data-interface converting unit and signal translating system;Wherein:
Described main control computer is respectively connected with the communication converting unit of signal translating system, controller in kind by switch;
Described switch is the terminal of network data, is used between main control computer, the communication converting unit of signal translating system, tested controller in kind, network data is carried out data transmission;
The conversion of described data-interface is entered out by the signal of the simulation output unit of the direct control signal converting system of data conversion card for main control computer;
Described signal translating system is connected with controller in kind by external interface, is used for carrying out the conditioning of signal and the conversion process of network signal.
As a further improvement on the present invention: described main control computer has ethernet interface, the described main control computer communication converting unit by Ethernet control signal converting system, it is used for sending and receiving the network signal of controller in kind.
As a further improvement on the present invention: described main control computer has the first data conversion card, the second data conversion card, the 3rd data conversion card and the 4th data conversion card;
As a further improvement on the present invention: described signal translating system includes communication converting unit, more than one simulation output unit, more than one numeral enter out unit, voltage conversion unit, current conversion unit and pulse conditioning unit;It is two that described numeral enters out unit, and respectively the first numeral enters out unit and the second numeral enters out unit;Described simulation output unit is two, respectively the first simulation output unit and the second simulation output unit.
First data conversion card of described main control computer is directly connected to the second simulation output unit of the signal translating system that the first of signal translating system simulates output unit, the first numeral enters out unit, the first numeral enters out unit and is connected by data-interface converting unit;
As a further improvement on the present invention: the second data conversion card of described main control computer connects the voltage conversion unit of signal translating system, current conversion unit;
As a further improvement on the present invention: the 3rd data conversion card of described main control computer connects the pulse conditioning unit of signal translating system;
As a further improvement on the present invention: the 4th data conversion card of described main control computer connects controller in kind.
As a further improvement on the present invention: described communication converting unit is used for receiving the network signal of main control computer, it is converted into another network data in controller in kind, it is achieved the network communication of simulation and controller in kind;The function of described first simulation output unit is output multi-channel pwm signal, delivers to controller in kind;Described first numeral enters out unit for passing through to receive the instruction of the first data conversion card, sends/receive the 110V digital I/O signal of controller in kind;Described second numeral enters out unit for passing through to receive the instruction of the first data conversion card, sends/receive the 24V digital I/O signal of controller in kind;Described second simulation output unit is used for by receiving the first data conversion card instruction through data-interface conversion, sends 60V analogue signal controller extremely in kind;Described voltage conversion unit is used for by receiving the second data conversion card signal, carries out voltage signal and converts transmission controller extremely in kind;The function of described current conversion unit is the control by the 3rd data conversion card, carries out the conversion of current signal;Described pulse conditioning unit carries out pulses switch mainly for the signal that the 4th data conversion card of main control computer sends, and sends to controller in kind.
As a further improvement on the present invention: in described main control computer, be provided with the environmental model for simulating vehicle real time execution.
The present invention further provides a kind of method of testing based on above-mentioned simulation testing device, first the external model of vehicle in city rail vehicle running is constructed, by the environmental simulation of main control computer, transmitting signals to signal translating system and carry out signal conversion and conditioning, described controller in kind meets actual service condition normal operation of getting on the bus.
As a further improvement on the present invention: first pass through simulation testing software on main control computer, construct motion control unit peripheral environment model, simulate city rail vehicle environmental variable in running, needed for motion control unit;Software model data are sent to signal translating system and controller in kind by described main control computer, and model data is carried out signal conversion by described signal translating system, are transformed to actual outside hard signal and the network signal of tested controller in kind;Described tested controller in kind, by receiving the hard signal from the network signal of signal translating system, main control computer and signal translating system, carries out logic control computing;Simultaneously, tested controller in kind exports signal according to logical operations, through the signal processing of signal translating system or the data conversion card of main control computer, vehicle actual motion signal is converted to the adoptable signal of test environment, is carried out the passback of real time data by the data conversion card of main control computer;And tested controller output network signal in kind to the communication converting unit of signal translating system carries out network data flow conversion, it is sent to main control computer by switch.
As a further improvement on the present invention: described environmental model includes:
Driver Consoles model, is used for simulating driver driving, the Work condition analogue running execution operation to car load, operates accordingly according to the needs that system is run;
Main circuit electrical model, for the main circuit electrical characteristic that analog systems is run;
Net pressing mold type, for simulating the net voltage fluctuation phenomenon in actual vehicle running environment;
Motion model, calculates according to parameter, builds the modelling of the power under traction, running under braking operating mode, rate signal;
Voltage-Current model, is simulated for middle dc voltage, electric current, chopper current, inverter current signal;
Brake model, it is judged that under damped condition, the motion model of the running under braking resistance of simulation car load;
Temperature model, for the variations in temperature in simulated machine motor process.
Compared with prior art, it is an advantage of the current invention that:
1, the semi-hardware type simulation test device of the city rail vehicle motion control unit of the present invention and method of testing, the debugging efficiency of motion control unit logic software can be improved, effectively reduce operation debugging risk of getting on the bus, shorten the product export cycle, reduce the system cost testing device with real-time processor, for a set of economical and practical use for laboratory test device, motion control unit design department can by this device, and what carry out city rail vehicle Traction Drive function tests checking comprehensively.
2, the present invention can quickly realize the measurement to city rail vehicle gear unit various functions, is greatly improved work efficiency;And the logic programming department being available for urban rail transmission controlling machine case uses, design department is facilitated to carry out lookup and the eliminating etc. of fault according to test result.By adopting methods and apparatus of the present invention, the test result of urban rail transmission controlling machine case effectively can be managed, for instance can easily test process data be carried out selectivity monitor in real time, historical data playback etc..
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of semi-hardware type simulation test device of the present invention.
Marginal data:
100, main control computer;110, the first data conversion card;120, environmental model;130, the second data conversion card;140, the 3rd data conversion card;150, the 4th data conversion card;200, switch;300, data-interface converting unit;400, signal translating system;410, communication converting unit;420, the first simulation output unit;430, the first numeral enters out unit;440, the second numeral enters out unit;450, the second simulation output unit;460, voltage conversion unit;470, current conversion unit;480, pulse conditioning unit.
Detailed description of the invention
Below with reference to Figure of description and specific embodiment, the present invention is described in further details.
As it is shown in figure 1, the semi-hardware type simulation test device of a kind of city rail vehicle motion control unit of the present invention, including main control computer 100, switch 200, data-interface converting unit 300 and signal translating system 400;The Ethernet interface of main control computer 100 is respectively connected with the communication converting unit 410 of signal translating system 400, controller in kind by switch 200.Signal translating system 400 is connected with controller in kind by external interface.Switch 200 is the terminal of ethernet network data, and it is responsible between main control computer 100, the communication converting unit 410 of signal translating system 400, tested controller in kind, ethernet network data are carried out data transmission;Data-interface converting unit 300 is mainly used in the signal of the main control computer 100 simulation output unit by the direct control signal converting system 400 of data conversion card and enters out.The major function of signal translating system 400 is by the conditioning of signal and the conversion process of network signal.
Wherein, main control computer 100 has ethernet interface and several data conversion card, and in this example, data conversion card includes the first data conversion card the 110, second data conversion card the 130, the 3rd data conversion card 140 and the 4th data conversion card 150.
Signal translating system 400 includes communication converting unit 410, more than one simulation output unit, more than one numeral enter out unit, voltage conversion unit 460, current conversion unit 470 and pulse conditioning unit 480, in this example, it is two that numeral enters out unit, and respectively the first numeral enters out unit 430 and the second numeral enters out unit 440;Simulation output unit is two, respectively the first simulation output unit 420 and the second simulation output unit 450.
First data conversion card 110 of main control computer 100 be directly connected to signal translating system 400 first simulation output unit the 420, first numeral enter out unit the 430, second numeral enter out unit 440 and by data-interface converting unit 300 connect signal translating system 400 second simulation output unit 450.
Second data conversion card 130 of main control computer 100 connects the voltage conversion unit 460 of signal translating system 400, current conversion unit 470.
3rd data conversion card 140 of main control computer 100 connects the pulse conditioning unit 480 of signal translating system 400.
4th data conversion card 150 of main control computer 100 connects controller in kind.
Main control computer 100 is the industrial control computer being mounted with test program, and major function is to provide the user a good test operation platform.In addition main control computer 100 also has following four function: one is the communication converting unit 410 by Ethernet control signal converting system 400, is used for sending and receiving the network signal of controller in kind;Two is that first simulation output unit the 420, first numeral by the first data conversion card 110 and signal translating system 400 enters out unit the 430, second numeral and enters out unit 440 and be connected, and simulates output unit 450 by data-interface converting unit 300 with the second of signal translating system 400 and be connected;Three is be connected with signal translating system 400 by the second data conversion card the 130, the 3rd data conversion card 140, and then the analog quantity of the voltage conversion unit 460 of control signal converting system 400, current conversion unit 470, pulse conditioning unit 480 and digital quantity regulation etc..Additionally, in test process, main control computer 100 according to simulating vehicle run-time environment model 120, can arbitrarily select digital signal or analogue signal to monitor in real time, and the supervision of process data, preservation, historical data playback and the display etc. of real time fail can be carried out.
The major function of signal translating system 400 is by the conditioning of signal and the conversion process of network signal.Wherein, the function of communication converting unit 410 is to receive the network signal of main control computer 100, is converted into another network data in controller in kind, it is achieved the network communication of simulation and controller in kind.The function of the first simulation output unit 420 is output multi-channel pwm signal, delivers to controller in kind.It is the instruction by receiving the first data conversion card 110 that first numeral enters out the function of unit 430, sends/receive the 110V digital I/O signal of controller in kind.It is the instruction by receiving the first data conversion card 110 that second numeral enters out the function of unit 440, sends/receive the 24V digital I/O signal of controller in kind.The function of the second simulation output unit 450 is by receiving the first data conversion card 110 instruction through data-interface converting unit 300, sends 60V analogue signal controller extremely in kind.The function of voltage conversion unit 460 is by receiving the second data conversion card 130 signal, carries out voltage signal and converts transmission controller extremely in kind.The function of current conversion unit 470 is the control by the 3rd data conversion card 140, carries out the conversion of current signal.Pulse conditioning unit 480 carries out pulses switch mainly for the signal that the 4th data conversion card 150 of main control computer 100 sends, and sends to controller in kind.
As from the foregoing, the semi-hardware type simulation test device of the present invention is the test builds actual signal to motion control unit, the models such as the traction main circuit of city rail vehicle, motion model, brake model, temperature model, Voltage-Current model, department's control platform are built by main control computer 100, and it is arranged on the data conversion board etc. in main control computer 100, model signals is passed through the signal condition of signal translating system 400, converts the actual signal needed for motion control unit in vehicle operation to.Additionally, the motion control unit control by logic software, carries out logical judgment by the external signal collected, and makes and controls operation accordingly, simultaneously by the data conversion card in induction signal output to signal translating system 400 and main control computer 100, it is achieved the closed loop control of whole test environment.
In other embodiments, data-interface converting unit 300 can also directly adopt bus form, and this also should belong to protection scope of the present invention.
The present invention further provides a kind of method of testing based on above-mentioned simulation testing device, that is: the external model of vehicle in city rail vehicle running is constructed, by the environmental simulation of main control computer 100, transmit signals to signal translating system 400 and carry out signal conversion and conditioning;Controller in kind meets actual service condition normal operation of getting on the bus, and so just can be implemented in laboratory and motion control unit logic function software is tested.
When specifically applying, detailed process is as follows:
S1: construct motion control unit peripheral environment model 120 on main control computer 100 by simulation testing software.
The environmental model 120 of motion control unit specifically includes that driver Consoles model, main circuit electrical model, net pressing mold type, motion model, Voltage-Current model, brake model, temperature model etc..Driver Consoles model is mainly used in simulation driver driving, the Work condition analogue running execution operation to car load, operates accordingly according to the needs that system is run.Main circuit electrical model is the main circuit electrical characteristic run for analog systems, mainly includes analog quantity, digital quantity etc..Net voltage fluctuation phenomenon in net pressing mold type main analog actual vehicle running environment.Motion model is to calculate according to parameter, builds the modelling of the signals such as the power under traction, running under braking operating mode, speed.Voltage-Current model is simulated mainly for signals such as middle dc voltage, electric current, chopper current, inverter currents.Brake model is to judge under damped condition, the motion model of the running under braking resistance of simulation car load.Temperature model is the variations in temperature in simulated machine motor process.
S2: half object test environment is mutual with the signal of tested controller in kind
Main control computer 100, by the environmental model 120 of the outside of above-mentioned structure, simulates city rail vehicle environmental variable in running, needed for motion control unit.Outside main control computer 100, convert card and Ethernet interface, switch 200, data-interface converting unit 300 by several data and software model data are sent to signal translating system 400 and controller in kind.Wherein, data convert card and include the first data conversion card the 110, second data conversion card the 130, the 3rd data conversion card 140 and the 4th data conversion card 150.
Model data is carried out signal conversion by signal translating system 400, is transformed to actual outside hard signal and the network signal of tested controller in kind.Its rule of conversion is completely the same with the Changing Pattern of the true peripheral device port value in vehicle actual moving process.
Tested controller in kind, by receiving the hard signal from the network signal of signal translating system 400, main control computer 100 and signal translating system 400, carries out logic control computing.Simultaneously, tested controller in kind exports signal according to logical operations, signal processing through signal translating system 400 or the data conversion card of main control computer 100, vehicle actual motion signal is converted to the adoptable signal of test environment, is carried out the passback of real time data by the data conversion card of main control computer 100;And tested controller output network signal in kind to the communication converting unit 410 of signal translating system 400 carries out network data flow conversion, it is sent to main control computer 100 by switch 200.It is achieved thereby that in the closed loop test of semi-hardware type simulation test environment with tested controller in kind.
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 (10)

1. the semi-hardware type simulation test device of a city rail vehicle motion control unit, it is characterised in that include main control computer (100), switch (200), data-interface converting unit (300) and signal translating system (400);Wherein:
Described main control computer (100) is respectively connected with the communication converting unit (410) of signal translating system (400), controller in kind by switch (200);
The terminal that described switch (200) is network data, is used between main control computer (100), the communication converting unit (410) of signal translating system (400), tested controller in kind, network data is carried out data transmission;
Described data-interface converting unit (300) is entered out by the signal of the simulation output unit of the direct control signal converting system (400) of data conversion card for main control computer (100);
Described signal translating system (400) is connected with controller in kind by external interface, is used for carrying out the conditioning of signal and the conversion process of network signal.
2. the semi-hardware type simulation test device of city rail vehicle motion control unit according to claim 1, it is characterized in that, described main control computer (100) has ethernet interface, the described main control computer (100) the communication converting unit (410) by Ethernet control signal converting system (400), is used for sending and receiving the network signal of controller in kind.
3. the semi-hardware type simulation test device of city rail vehicle motion control unit according to claim 1, it is characterized in that, described main control computer (100) has the first data conversion card (110), the second data conversion card (130), the 3rd data conversion card (140) and the 4th data conversion card (150).
4. the semi-hardware type simulation test device of city rail vehicle motion control unit according to claim 3, it is characterized in that, described signal translating system (400) includes communication converting unit (410), more than one simulation output unit, more than one numeral enter out unit, voltage conversion unit (460), current conversion unit (470) and pulse conditioning unit (480);It is two that described numeral enters out unit, and respectively the first numeral enters out unit (430) and the second numeral enters out unit (440);Described simulation output unit is two, respectively the first simulation output unit (420) and the second simulation output unit (450).
5. the semi-hardware type simulation test device of city rail vehicle motion control unit according to claim 4, it is characterised in that
First data conversion card (110) of described main control computer (100) is directly connected to the first simulation output unit (420) of signal translating system (400), the first numeral enters out unit (430), the second numeral enters out unit (440) and passes through the second simulation output unit (450) of the signal translating system (400) that data-interface converting unit (300) connects;
Second data conversion card (130) of described main control computer (100) connects the voltage conversion unit (460) of signal translating system (400), current conversion unit (470);
3rd data conversion card (140) of described main control computer (100) connects the pulse conditioning unit (480) of signal translating system (400);
4th data conversion card (150) of described main control computer (100) connects controller in kind.
6. the semi-hardware type simulation test device of city rail vehicle motion control unit according to claim 5, it is characterized in that, described communication converting unit (410) is used for receiving the network signal of main control computer (100), it is converted into another network data in controller in kind, it is achieved the network communication of simulation and controller in kind;The function of described first simulation output unit (420) is output multi-channel pwm signal, delivers to controller in kind;Described first numeral enters out unit (430) and is used for the instruction by receiving the first data conversion card (110), sends/receive the 110V digital I/O signal of controller in kind;Described second numeral enters out unit (440) and is used for the instruction by receiving the first data conversion card (110), sends/receive the 24V digital I/O signal of controller in kind;Described second simulation output unit (450) is used for by receiving the first data conversion card (110) instruction through data-interface converting unit (300), sends 60V analogue signal controller extremely in kind;Described voltage conversion unit (460) is used for by receiving the second data conversion card (130) signal, carries out voltage signal and converts transmission controller extremely in kind;The function of described current conversion unit (470) is the control by the 3rd data conversion card (140), carries out the conversion of current signal;Described pulse conditioning unit (480) carries out pulses switch mainly for the signal that the 4th data conversion card (150) of main control computer (100) sends, and sends to controller in kind.
7. the semi-hardware type simulation test device of the city rail vehicle motion control unit according to any one in claim 1~6, it is characterised in that be provided with the environmental model (120) for simulating vehicle real time execution in described main control computer (100).
8. the method for testing based on above-mentioned simulation testing device, it is characterized in that, first the external model of vehicle in city rail vehicle running is constructed, environmental simulation by main control computer (100), transmitting signals to signal translating system (400) and carry out signal conversion and conditioning, described controller in kind meets actual service condition normal operation of getting on the bus.
9. method of testing according to claim 8, it is characterized in that, first pass through simulation testing software on main control computer (100), construct motion control unit peripheral environment model (120), simulate city rail vehicle environmental variable in running, needed for motion control unit;Software model data are sent to signal translating system (400) and controller in kind by described main control computer (100), model data is carried out signal conversion by described signal translating system (400), is transformed to actual outside hard signal and the network signal of tested controller in kind;Described tested controller in kind, by receiving the hard signal from the network signal of signal translating system (400), main control computer (100) and signal translating system (400), carries out logic control computing;Simultaneously, tested controller in kind exports signal according to logical operations, signal processing through signal translating system (400) or the data conversion card of main control computer (100), vehicle actual motion signal is converted to the adoptable signal of test environment, is carried out the passback of real time data by the data conversion card of main control computer (100);And tested controller output network signal in kind to the communication converting unit (410) of signal translating system (400) carries out network data flow conversion, it is sent to main control computer (100) by switch (200).
10. method of testing according to claim 8 or claim 9, it is characterised in that described environmental model (120) including:
Driver Consoles model, is used for simulating driver driving, the Work condition analogue running execution operation to car load, operates accordingly according to the needs that system is run;
Main circuit electrical model, for the main circuit electrical characteristic that analog systems is run;
Net pressing mold type, for simulating the net voltage fluctuation phenomenon in actual vehicle running environment;
Motion model, calculates according to parameter, builds the modelling of the power under traction, running under braking operating mode, rate signal;
Voltage-Current model, is simulated for middle dc voltage, electric current, chopper current, inverter current signal;
Brake model, it is judged that under damped condition, the motion model of the running under braking resistance of simulation car load;
Temperature model, for the variations in temperature in simulated machine motor process.
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CN108255145B (en) * 2016-12-29 2020-11-17 株洲中车时代电气股份有限公司 Test system and method for vehicle transmission control unit
CN109491369A (en) * 2018-12-05 2019-03-19 百度在线网络技术(北京)有限公司 Performance estimating method, device, equipment and the medium of the practical control unit of vehicle
CN110751873A (en) * 2019-11-15 2020-02-04 郑州意昂新能源汽车科技有限公司 Method for interconnecting whole vehicle electric control practical training platform of new energy automobile and actual vehicle

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