CN105807750B - A kind of the semi-hardware type simulation test device and test method of city rail vehicle motion control unit - Google Patents

A kind of the semi-hardware type simulation test device and test method of city rail vehicle motion control unit Download PDF

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CN105807750B
CN105807750B CN201410839666.6A CN201410839666A CN105807750B CN 105807750 B CN105807750 B CN 105807750B CN 201410839666 A CN201410839666 A CN 201410839666A CN 105807750 B CN105807750 B CN 105807750B
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signal
unit
data
main control
control computer
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CN105807750A (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 kind of semi-hardware type simulation test devices of city rail vehicle motion control unit, including main control computer, interchanger, data-interface converting unit and signal translating system;Wherein: the main control computer is respectively connected with by the communication converting unit of interchanger and signal translating system, controller in kind;The interchanger is the terminal of network data, for network data is carried out data transmitting between main control computer, the communication converting unit of signal translating system, tested controller in kind;Signal of the data-interface conversion for the simulation output unit that main control computer directly controls signal translating system by data conversion card enters out;The signal translating system is connected by external interface with controller in kind, for carrying out the conditioning of signal and the conversion process of network signal.The present invention has many advantages, such as that operation can be simplified, improves design efficiency, can carry out the full-featured test verifying of city rail vehicle Traction Drive.

Description

A kind of semi-hardware type simulation test device of city rail vehicle motion control unit and test Method
Technical field
Present invention relates generally to the testing fields of city rail vehicle motion control unit, refer in particular to a kind of suitable for city rail vehicle The semi-hardware type simulation test device and test method of motion control unit.
Background technique
Motion control unit is one of key equipment of rolling stock, there is the title of " heart " of rolling stock.It is main Effect is that stable Traction Drive control is provided for city rail vehicle, it most directly influences the traffic safety and operation of rolling stock Efficiency.Motion control unit is usually to enter ejecting plate, signal transducer, pulse conditioning plate, motor control by power panel, CPU board, number The veneers such as making sheet, aid in treatment plate composition, each veneer are inserted in a control unit in some way, carry out each list by backboard Data exchange and control command between plate send and receive.It is single that the logical control program of rolling stock operates in transmission The CPU card of member, 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 efficiently, reliably test, and looking into for logic control failure is carried out according to test result It looks for and excludes, be rolling stock motion control unit exploitation manufactory to understand every logic function of control cabinet in time Family must problems faced.
In traditional approach, designer is mounted on city with other electrical equipments after developing motion control unit, by it In rail vehicle, the functional test of gear unit is carried out under the conditions of actual running environment, in actual operation debugging process, Designer has found mistake, carries out logic amendment, manually recorded fault message.It could judge that the control of development is patrolled in this way It collects and whether function meets the needs of client.And different vehicles all needs to repeat this complicated debugging process of getting on the bus, the period is long, At high cost, low efficiency.Moreover trial operation debugging test is carried out for the rolling stock of complex and expensive, is that client is unacceptable.
Therefore, it is highly desirable to study one kind in laboratory energy simulating vehicle actual environment, is passed to carry out debugging vehicle The method of moving cell logic software improves efficiency to verify the correctness of gear unit, reduces cost.
Summary of the invention
The technical problem to be solved in the present invention is that, for technical problem of the existing technology, the present invention provides one The city rail vehicle that kind can simplify operation, improve design efficiency, can carry out the full-featured test verifying of city rail vehicle Traction Drive The semi-hardware type simulation test device and test method of motion control unit.
In order to solve the above technical problems, the invention adopts the following technical scheme:
A kind of semi-hardware type simulation test device of city rail vehicle motion control unit, including main control computer, interchanger, number According to interface conversion unit and signal translating system;Wherein:
The main control computer distinguishes phase by interchanger and the communication converting unit of signal translating system, controller in kind Even;
The interchanger is the terminal of network data, is used to network data in main control computer, signal translating system Communication converting unit, data transmitting is carried out between tested controller in kind;
The data-interface conversion directly controls the mould of signal translating system for main control computer by data conversion card The signal of quasi- output unit enters out;
The signal translating system is connected by external interface with controller in kind, for carrying out conditioning and the net of signal The conversion process of network signal.
As a further improvement of the present invention: the main control computer has ethernet interface, and the master control calculates Machine controls the communication converting unit of signal translating system by Ethernet, for sending and receiving the network letter of controller in kind Number.
As a further improvement of the present invention: the main control computer has the first data conversion card, the second data conversion Card, third data conversion card and the 4th data conversion card;
As a further improvement of the present invention: the signal translating system includes communication converting unit, more than one mould Quasi- output unit, more than one number enter out unit, voltage conversion unit, current conversion unit and pulse conditioning unit;Institute Stating number to enter out unit is two, and respectively the first number enters out unit and the second number enters out unit;The simulation output list Member is two, respectively the first simulation output unit and the second simulation output unit.
First data conversion card of the main control computer be directly connected to signal translating system the first simulation output unit, The signal translating system that first number enters out unit, the first number enters out unit and is connected by data-interface converting unit Second simulation output unit;
As a further improvement of the present invention: the second data conversion card connection signal converting system of the main control computer Voltage conversion unit, current conversion unit;
As a further improvement of the present invention: the third data conversion card connection signal converting system of the main control computer Pulse conditioning unit;
As a further improvement of the present invention: the 4th data conversion card of the main control computer connects controller in kind.
As a further improvement of the present invention: the communication converting unit is used to receive the network signal of main control computer, Another network data being converted into controller in kind realizes the network communication of simulation with controller in kind;It is described The function of first simulation output unit is output multi-channel pwm signal, is sent to controller in kind;First number enters out unit use Come the instruction by receiving the first data conversion card, transmission/reception material object controller 110V digital I/O signal;Second number Word enters out unit and is used to pass through the instruction for receiving the first data conversion card, transmission/reception material object controller 24V Digital I/O letter Number;The second simulation output unit is used to issue by receiving the first data conversion card instruction by data-interface conversion 60V analog signal is to controller in kind;The voltage conversion unit is used to carry out electricity by receiving the second data conversion card signal Pressure signal conversion is sent to controller in kind;The function of the current conversion unit be by the control of third data conversion card, Carry out the conversion of current signal;The letter that the pulse conditioning unit is issued mainly for the 4th data conversion card of main control computer Number carry out pulses switch, be sent to controller in kind.
As a further improvement of the present invention: the ring for simulating vehicle real time execution is provided in the main control computer Border model.
The present invention further provides a kind of test methods based on above-mentioned simulation testing device, construct city rail vehicle first The external model of vehicle in operational process, by the environmental simulation of main control computer, transmit signals to signal translating system into The conversion of row signal and conditioning, the material object controller meet service condition normal work of actually getting on the bus.
As a further improvement of the present invention: transmission control being constructed on main control computer by simulation testing software first Unit peripheral environment model processed simulates city rail vehicle in the process of running, environmental variance needed for motion control unit;The master Computer is controlled by software model data transmission to signal translating system and controller in kind, the signal translating system is by pattern number According to signal conversion is carried out, it is transformed to the practical external hard signal and network signal of tested controller in kind;The tested material object Controller by receiving the hard signal of network signal from signal translating system, main control computer and signal translating system, Carry out logic control computing;Meanwhile controller in kind is tested according to logical operation output signal, through signal translating system or master control Vehicle actual motion signal is converted to the test adoptable signal of environment, led to by the signal processing of the data conversion card of computer The data conversion card for crossing main control computer carries out the passback of real time data;And tested controller output network signal in kind is extremely believed The communication converting unit of number converting system carries out network data flow transformation, is sent to main control computer by interchanger.
As a further improvement of the present invention: the environmental model includes:
Driver Consoles model executes the Work condition analogue of operation to the operation of vehicle, according to being for simulating driver driving System operation needs to carry out corresponding operation;
Main circuit electrical model, the main circuit electrical characteristic for simulation system operation;
Network pressure model, for simulating the net voltage fluctuation phenomenon in actual vehicle running environment;
Motion model is calculated according to parameter, building traction, the modelling of the power under running under braking operating condition, speed signal;
Voltage-Current model is simulated for middle dc voltage, electric current, chopper current, inverter current signal;
Brake model judges the motion model for the running under braking resistance that vehicle is simulated under damped condition;
Temperature model, for the temperature change in simulated machine motion process.
Compared with the prior art, the advantages of the present invention are as follows:
1, the semi-hardware type simulation test device and test method of city rail vehicle motion control unit of the invention, can be improved The debugging efficiency of motion control unit logic software is effectively reduced operation debugging risk of getting on the bus, shortens the product export period, reduces System cost with real-time processor test device, is a set of economical and practical use for laboratory test device, and transmission control is single Meta design department by the device, can carry out comprehensive test verifying of city rail vehicle Traction Drive function.
2, the present invention can quickly realize the measurement to city rail vehicle gear unit various functions, be greatly improved work effect Rate;And for the use of the logic programming department of urban rail transmission controlling machine case, design department is facilitated to be carried out according to test result Lookup and exclusion of failure etc..It, can be to the test result of urban rail transmission controlling machine case by using methods and apparatus of the present invention It is effectively managed, such as selective real-time monitoring, historical data playback etc. easily can be carried out to test process data.
Detailed description of the invention
Fig. 1 is the 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, third data conversion card;150, the 4th data conversion card;200, interchanger;300, data-interface converting unit;400, believe Number converting system;410, converting unit is communicated;420, the first simulation output unit;430, the first number enters out unit;440, Two numbers enter out unit;450, the second simulation output unit;460, voltage conversion unit;470, current conversion unit;480, arteries and veins Rush conditioning unit.
Specific embodiment
The present invention is described in further details below with reference to Figure of description and specific embodiment.
As shown in Figure 1, a kind of semi-hardware type simulation test device of city rail vehicle motion control unit of the invention, including master Control computer 100, interchanger 200, data-interface converting unit 300 and signal translating system 400;Main control computer 100 with Too network interface is respectively connected with by interchanger 200 and the communication converting unit 410 of signal translating system 400, controller in kind.Letter Number converting system 400 is connected by external interface with material object controller.Interchanger 200 is the terminal of ethernet network data, It is responsible for ethernet network data in main control computer 100, the communication converting unit 410 of signal translating system 400, tested Data transmitting is carried out between controller in kind;Data-interface converting unit 300 is mainly used for main control computer 100 and is turned by data The signal for changing the simulation output unit that card directly controls signal translating system 400 enters out.The major function of signal translating system 400 It is the conversion process for the conditioning and network signal for carrying out signal.
Wherein, main control computer 100 has ethernet interface and several data conversion cards, and data turn in this example Changing card includes the first data conversion card 110, the second data conversion card 130, third 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 Number enters out unit, voltage conversion unit 460, current conversion unit 470 and pulse conditioning unit 480, and in this example, number enters Unit is two out, and respectively the first number enters out unit 430 and the second number enters out unit 440;Simulation output unit is two It is a, respectively the first simulation output unit 420 and the second simulation output unit 450.
First data conversion card 110 of main control computer 100 is directly connected to the first simulation output of signal translating system 400 Unit 420, the first number enter out unit 430, the second number enters out unit 440 and are connected by data-interface converting unit 300 Second simulation output unit 450 of the signal translating system 400 connect.
The voltage conversion unit 460 of the 130 connection signal converting system 400 of the second data conversion card of main control computer 100, Current conversion unit 470.
The pulse conditioning unit 480 of the 140 connection signal converting system 400 of third data conversion card of main control computer 100.
4th data conversion card 150 of main control computer 100 connects controller in kind.
Main control computer 100 is the industrial control computer for being mounted with test program, and major function is provided for user One good test operation platform.Furthermore main control computer 100 also has the function of following four: believing first is that being controlled by Ethernet The communication converting unit 410 of number converting system 400, for sending and receiving the network signal of controller in kind;Second is that passing through the One data conversion card 110 and the first simulation output unit 420 of signal translating system 400, the first number enter out unit 430, the Two numbers enter out unit 440 and are connected, and pass through the second mould of data-interface converting unit 300 and signal translating system 400 Quasi- output unit 450 connects;Third is that passing through the second data conversion card 130, third data conversion card 140 and signal translating system 400 are connected, and then control voltage conversion unit 460, current conversion unit 470, the pulse conditioning list of signal translating system 400 The analog quantity of member 480 and digital quantity regulation etc..In addition, during the test, main control computer 100 can be according to simulating vehicle Run-time environment model 120, it is any that digital signal or analog signal is selected to carry out real-time monitoring, and number of passes can be carried out According to monitoring, preservation, historical data playback and the display of real time fail etc..
The major function of signal translating system 400 is the conditioning for carrying out signal and the conversion process of network signal.Wherein, The function of communication converting unit 410 is the network signal for receiving main control computer 100, is converted into another in controller in kind A kind of outer network data realizes the network communication of simulation with controller in kind.The function of first simulation output unit 420 is output Multi-channel PWM signal is sent to controller in kind.The function that first number enters out unit 430 is by receiving the first data conversion card 110 instruction, transmission/reception material object controller 110V digital I/O signal.The function that second number enters out unit 440 is to pass through Receive the instruction of the first data conversion card 110, transmission/reception material object controller 24V digital I/O signal.Second simulation output list The function of member 450 is to issue 60V mould by receiving the first data conversion card 110 instruction Jing Guo data-interface converting unit 300 Intend signal to controller in kind.The function of voltage conversion unit 460 is carried out by receiving 130 signal of the second data conversion card Voltage signal conversion is sent to controller in kind.The function of current conversion unit 470 is the control by third data conversion card 140 System, carries out the conversion of current signal.Fourth data conversion card 150 of the pulse conditioning unit 480 mainly for main control computer 100 The signal of sending carries out pulses switch, is sent to controller in kind.
From the foregoing, it will be observed that semi-hardware type simulation test device of the invention is the practical letter of test building to motion control unit Number, traction main circuit, motion model, brake model, temperature model, the voltage of city rail vehicle are built by main control computer 100 The models, and the data conversion board being mounted in main control computer 100 such as current model, department's control platform etc., model signals are led to The signal condition for crossing signal translating system 400 is converted into actual signal needed for motion control unit in vehicle operation.Separately Outside, collected external signal is carried out logic judgment, makes corresponding control by motion control unit by the control of logic software System operation, while the data conversion card into signal translating system 400 and main control computer 100 will be exported to induction signal, it realizes The closed-loop control of entire test environment.
In other embodiments, bus form also can be directly used in data-interface converting unit 300, this also should belong to this The protection scope of invention.
The present invention further provides a kind of test methods based on above-mentioned simulation testing device, it may be assumed that constructs city rail vehicle The external model of vehicle transmits signals to signal translating system by the environmental simulation of main control computer 100 in operational process 400 carry out signal conversion and conditioning;Controller in kind meets service condition normal work of actually getting on the bus, and can so realize Motion control unit logic function software is tested in laboratory.
In specific application, detailed process is as follows:
S1: motion control unit peripheral environment model is constructed on main control computer 100 by simulation testing software 120。
The environmental model 120 of motion control unit specifically includes that driver Consoles model, main circuit electrical model, network pressure Model, motion model, Voltage-Current model, brake model, temperature model etc..Driver Consoles model is mainly used for simulating driver It drives, the Work condition analogue of operation is executed to the operation of vehicle, need to carry out corresponding operation according to system operation.Main circuit electricity Gas model is the main circuit electrical characteristic for simulation system operation, mainly includes analog quantity, digital quantity etc..Network pressure model is main Simulate the net voltage fluctuation phenomenon in actual vehicle running environment.Motion model is calculated according to parameter, building traction, running under braking The modelling of the signals such as power, speed under operating condition.Voltage-Current model is mainly for middle dc voltage, electric current, copped wave electricity The signals such as stream, inverter current are simulated.Brake model is the running under braking resistance for judging to simulate vehicle under damped condition Motion model.Temperature model is the temperature change in simulated machine motion process.
The signal interaction of S2: half object test environment and tested controller in kind
Main control computer 100 simulates city rail vehicle in operational process by the environmental model 120 of the outside of above-mentioned building In, environmental variance needed for motion control unit.Outside main control computer 100, card and Ethernet are converted by several data Interface, interchanger 200, data-interface converting unit 300 control software model data transmission to signal translating system 400 and material object Device processed.Wherein, data conversion card includes the first data conversion card 110, the second data conversion card 130, third 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 the practical outside of tested controller in kind Hard signal and network signal.The variation of true peripheral device port value in its rule of conversion and vehicle actual moving process is advised It restrains completely the same.
Tested material object controller is by receiving network signal, main control computer 100 and letter from signal translating system 400 The hard signal of number converting system 400 carries out logic control computing.Meanwhile tested controller in kind is exported according to logical operation Signal, the signal processing of the data conversion card through signal translating system 400 or main control computer 100 believe vehicle actual motion The test adoptable signal of environment number is converted to, the data conversion card for passing through main control computer 100 carries out the passback of real time data; And the communication converting unit 410 that tested controller in kind exports network signal to signal translating system 400 carries out network data Rheology is changed, and is sent to main control computer 100 by interchanger 200.To realize in semi-hardware type simulation test environment and be tested The closed loop test of controller in kind.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment, All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention should be regarded as protection of the invention Range.

Claims (8)

1. a kind of semi-hardware type simulation test device of city rail vehicle motion control unit, which is characterized in that including main control computer (100), interchanger (200), data-interface converting unit (300) and signal translating system (400);Wherein:
The main control computer (100) by the communication converting units (410) of interchanger (200) and signal translating system (400), Controller in kind is respectively connected with;
The interchanger (200) is the terminal of network data, is used to turn network data in main control computer (100), signal Data transmitting is carried out between the communication converting unit (410) for changing system (400), the controller in kind being tested;
The data-interface converting unit (300) directly controls signal by data conversion card for main control computer (100) and turns The signal for changing the simulation output unit of system (400) enters out;
The signal translating system (400) by external interface with material object controller be connected, for carry out signal conditioning and The conversion process of network signal;
The main control computer (100) has ethernet interface, and the main control computer (100) is controlled by Ethernet believes The communication converting unit (410) of number converting system (400), for sending and receiving the network signal of controller in kind;
There are the main control computer (100) the first data conversion card (110), the second data conversion card (130), third data to turn Change card (140) and the 4th data conversion card (150).
2. the semi-hardware type simulation test device of city rail vehicle motion control unit according to claim 1, which is characterized in that The signal translating system (400) include communication converting unit (410), two simulation output units, two numbers enter out unit, Voltage conversion unit (460), current conversion unit (470) and pulse conditioning unit (480);Two numbers enter out unit point Not Wei the first number enter out unit (430) and the second number enters out unit (440);Two simulation output units are respectively One simulation output unit (420) and the second simulation output unit (450).
3. the semi-hardware type simulation test device of city rail vehicle motion control unit according to claim 2, which is characterized in that
The first data conversion card (110) of the main control computer (100) is directly connected to the first mould of signal translating system (400) Quasi- output unit (420), the first number enters out unit (430), the second number enters out unit (440) and is turned by data-interface Change the second simulation output unit (450) of the signal translating system (400) of unit (300) connection;
The voltage of the second data conversion card (130) the connection signal converting system (400) of the main control computer (100) is converted single First (460), current conversion unit (470);
The pulse of third data conversion card (140) the connection signal converting system (400) of the main control computer (100) improves single First (480);
4th data conversion card (150) of the main control computer (100) connects controller in kind.
4. the semi-hardware type simulation test device of city rail vehicle motion control unit according to claim 3, which is characterized in that Communication converting unit (410) is used to receive the network signal of main control computer (100), is converted into controller in kind Another network data, realize the network communication of simulation with controller in kind;The first simulation output unit (420) Function is output multi-channel pwm signal, is sent to controller in kind;First number enters out unit (430) and is used to by receiving the The instruction of one data conversion card (110), transmission/reception material object controller 110V digital I/O signal;Second number enters out Unit (440) is used to the instruction by receiving the first data conversion card (110), transmission/reception material object controller 24V Digital I/O Signal;The second simulation output unit (450) is used to pass through by receiving first data of data-interface converting unit (300) Transition card (110) instruction issues 60V analog signal to controller in kind;The voltage conversion unit (460) is used to pass through reception Second data conversion card (130) signal carries out voltage signal conversion and is sent to controller in kind;The current conversion unit (470) function is to carry out the conversion of current signal by the control of third data conversion card (140);The pulse conditioning is single The signal that first (480) are issued mainly for the 4th data conversion card (150) of main control computer (100) carries out pulses switch, hair It send to controller in kind.
5. the semi-hardware type simulation test of city rail vehicle motion control unit described according to claim 1~any one of 4 fills It sets, which is characterized in that the environmental model (120) for simulating vehicle real time execution is provided in the main control computer (100).
6. a kind of test method based on simulation testing device described in any one of Claims 1 to 5, which is characterized in that first The external model for first constructing vehicle in city rail vehicle operational process, by the environmental simulation of main control computer (100), by signal It is sent to the conversion of signal translating system (400) progress signal and conditioning, the material object controller meets service condition of actually getting on the bus It works normally.
7. test method according to claim 6, which is characterized in that first by simulation testing software in main control computer (100) motion control unit peripheral environment model (120) is constructed on, in the process of running, transmission controls simulation city rail vehicle Environmental variance needed for unit;The main control computer (100) by software model data transmission to signal translating system (400) and Model data is carried out signal conversion by controller in kind, the signal translating system (400), is transformed to tested controller in kind Practical external hard signal and network signal;The tested controller in kind is by receiving from signal translating system (400) The hard signal of network signal, main control computer (100) and signal translating system (400) carries out logic control computing;Meanwhile Tested material object controller is according to logical operation output signal, the data through signal translating system (400) or main control computer (100) Vehicle actual motion signal is converted to the test adoptable signal of environment, passes through main control computer by the signal processing of transition card (100) data conversion card carries out the passback of real time data;And tested controller in kind exports network signal to signal and converts The communication converting unit (410) of system (400) carries out network data flow transformation, is sent to master control by interchanger (200) and calculates Machine (100).
8. test method according to claim 6 or 7, which is characterized in that environmental model (120) includes:
Driver Consoles model executes the Work condition analogue of operation to the operation of vehicle, is transported according to system for simulating driver driving Capable needs to carry out corresponding operation;
Main circuit electrical model, the main circuit electrical characteristic for simulation system operation;
Network pressure model, for simulating the net voltage fluctuation phenomenon in actual vehicle running environment;
Motion model is calculated according to parameter, building traction, the modelling of the power under running under braking operating condition, speed signal;
Voltage-Current model is simulated for middle dc voltage, electric current, chopper current, inverter current signal;
Brake model judges the motion model for the running under braking resistance that vehicle is simulated under damped condition;
Temperature model, for the temperature change in simulated machine motion process.
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