CN106970279A - The pure electric automobile pilot system and its test method of a variety of driving cycles can be achieved - Google Patents
The pure electric automobile pilot system and its test method of a variety of driving cycles can be achieved Download PDFInfo
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- CN106970279A CN106970279A CN201710197172.6A CN201710197172A CN106970279A CN 106970279 A CN106970279 A CN 106970279A CN 201710197172 A CN201710197172 A CN 201710197172A CN 106970279 A CN106970279 A CN 106970279A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
- G01R31/007—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks using microprocessors or computers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
- G01R31/387—Determining ampere-hour charge capacity or SoC
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- Electric Propulsion And Braking For Vehicles (AREA)
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Abstract
The present invention relates to the pure electric automobile pilot system and its test method for planting achievable a variety of driving cycles, entire car controller including stand main control module and for being tested vehicle performance, the stand main control module includes upper PC, and the upper PC is connected with power battery module, motor module, data acquisition with communication module, dynamometer machine load simulation module, road feel analog module and driver input module respectively by PXI real-time emulation systems；The upper PC carries out data interaction with PXI real-time emulation systems by TCP/IP, and simulation process is monitored；The upper PC and PXI real-time emulation systems are in communication with each other with entire car controller.The beneficial effects of the present invention are：A variety of driving cycles can be not only simulated, makes vehicle that there is preferable dynamic property and drives ride comfort, and breach traditional bench simulation and the actual emulation testing for driving disengaging of driver, the online pilot system of driver are realized, closer to real train test.
Description
Technical field
The present invention relates to automobile engine bench test technology, more particularly to a kind of pure electric automobile that a variety of driving cycles can be achieved
Pilot system and its test method.
Background technology
Relative to hybrid vehicle and fuel cell car, pure electric automobile replaces oil-burning machine with motor, pollution-free,
Noise is small, simple in construction compared with internal-combustion engines vehicle, be easy to maintenance, can reclaim braking and energy during descending, improve energy
Utilization ratio, and can be charged at night using cheap " paddy electricity " of power network, play the work for the peak-valley difference for stabilizing power network
With.Therefore, pure electric automobile is widely used.
The main test mode of electric car is generally divided into real steering vectors and tested on stand.Real steering vectors are needed special
Test site carry out.There is higher requirement to test site, vehicle and instrument.And engine bench test can be in vehicle physics sample car not
Formative stage, is tested vehicle performance, and in vehicle emulation, actual physical system is embedded into whole vehicle model, can
To improve simulation accuracy.
The content of the invention
The purpose of the present invention is that there is provided a kind of pure electronic vapour that a variety of driving cycles can be achieved for above weak point
Car pilot system and its test method, realize the simulation of various working.
The present invention solves the scheme that is used of technical problem：Including stand main control module and for being carried out to vehicle performance
The entire car controller of test, the stand main control module includes upper PC, and the upper PC passes through PXI real-time emulation systems
Respectively with power battery module, motor module, data acquisition and communication module, dynamometer machine load simulation module, road feel mould
Intend module and driver input module is connected；The upper PC carries out data with PXI real-time emulation systems by TCP/IP
Interaction, is monitored to simulation process；The upper PC and PXI real-time emulation systems are in communication with each other with entire car controller.
Further, the power battery module includes power battery pack and battery management system；The motor mould
Block includes motor and drive motor controller, and the drive motor controller is controlled to the rotating speed of motor；Institute
State data acquisition and communication module connects including power analyzer, speed/torque sensor and the conversion CAN of at least more than one
Mouthful；The dynamometer machine load simulation module includes dynamometer machine and Dynamometer Control device, and the dynamometer machine is used to track state of cyclic operation,
Load resistance suffered by two wheels of simulated automotive, the Dynamometer Control device is used for the control that moment of torsion is carried out to dynamometer machine；
The driver input module includes pilot set, steering wheel, accelerator pedal and brake pedal, to carry out driver behaviour
Simulate；The road feel analog module include pull pressure sensor, ball-screw and its guiding mechanism, direct current torque motor and its
Controller, to the real-time road feel in drive simulating.
Further, the speed/torque sensor is arranged on the output shaft of the motor, and the PXI is real-time
Analogue system is connected through CAN with Dynamometer Control device, the Dynamometer Control device dynamometer machine for connecting, and the rotating speed/
Torque sensor is electrically connected with the dynamometer machine.
Further, the motor uses permasyn morot, and the drive motor controller is permanent-magnet synchronous
Drive motor controller, the permanent-magnet synchronous driving motor controller is cooled down by the way of water cooling.
Further, the battery pack is electrically connected with power analyzer, and the power analyzer connection driving electricity
Machine controller and the PXI real-time emulation systems；The battery pack provides constant current, constant pressure or invariable power electricity for motor
Source, the power analyzer carries out electrical power analysis to motor.
Further, the PXI real-time emulation systems are divided into real-time control system and data collecting system, described real-time control
The real-time Controlling models of system operation Simulink processed, using Matlab/Simulink and VC hybrid programmings, by vehicle dynamic models
The dll files that can be called in LabVIEW are converted into, and call the clamping of PXI interface boards to receive entire car controller output data, by it
It is delivered in auto model and carries out simulation calculation；The PXI real-time emulation systems are connected with PXI interface boards, PXI interface boards
With CAN, AD/DA, IO, pulse signal acquisition mode, the PXI interfaces board is connected with entire car controller, by full-vehicle control
Policy download runs entire car controller and PXI into entire car controller, then and implements analogue system simultaneously, by real-time simulation come
Test and checking entire car controller, wherein, the Controlling model in integrated vehicle control tactics includes motor control, braking force distribution, change
Fast device gearshift control and battery management control.
Further, the upper PC includes display machine and main control computer, and main control computer is responsible for system control, and display machine is responsible for
The monitoring and display of system operational parameters；The upper PC sets up Labview/VeriStand test platforms, calls
The Dll files of Matlab/Simulink real-time Controlling models generation simultaneously import real-time simulation in LabviewRT, and by model
Input and output are matched with Hardware I/O mouthfuls, by the parameter of model and monitoring variable and Labview/VeriStand interface modules
Matched, realize the real-time display of data by Labview/VeriStand platforms, the upper PC by TCP/IP with
The PXI real-time emulation systems carry out data interaction, realize monitoring process；The PXI real-time emulation systems are according to LabviewRT
Middle real-time simulation is to power battery module, dynamometer machine load simulation module, motor module, power analyzer, speed/torque
Sensor is controlled.
Further, the upper PC is with patterned tests of the programmed environment exploitation based on CCP agreements of LabVIEW
Calibration software, realizes the communication between upper PC and entire car controller, real-time calibration optimization motor rotating speed, torque and
Battery charge state SOC, sets up Motor torque MAP, constantly adjustment demarcation MAP, the driving cycle and actual condition of simulation
It is basically identical.
The present invention also provides a kind of pure electric automobile pilot system according to achievable a variety of driving cycles described above
Test method,
Step S1：The human pilot tested selects pure electric vehicle pattern by the human-computer interaction interface of upper PC, simultaneously
The related vehicle parameter of input simultaneously selects traffic environment parameter；
Step S2:After stand main control module detects that corresponding hardware can be tested accordingly, pilot system starts to start；
Step S3：Road feel simulation system simulates real-time road feel, makes to be sitting in the driver on driver seat and feels what real vehicle drove
Situation;Pilot control steering wheel, accelerator pedal and brake pedal simulation real vehicle drive;
Step S4：Motor control strategy, auto model are generated into C code in Matlab environment, control strategy is downloaded
Into actual entire car controller, each road signal wire of entire car controller is accordingly connected on PXI interface boards, utilized simultaneously
Vehicle dynamic models are converted into the dll files that can be called in LabVIEW by Matlab/Simulink and VC hybrid programmings, and
The clamping of PXI interface boards is called to receive the output data of entire car controller, then upper electricity operation entire car controller and PXI real-time simulations system
System, obtains vehicle simulation result.
Further, in step s3, driver input module is adjusted according to road condition target vehicle speed and actual vehicle speed
Gas pedal or brake pedal, entire car controller receive throttle or brake signal, and send torque control to drive motor controller
Value processed, drive motor controller control motor, speed probe measurement motor rotating speed is converted into actual vehicle speed feedback
To pilot model, the closed-loop control of speed is realized；Torque sensor measures motor output torque, the test of this torque actuated
Platform, obtains a rotating speed response, and rotating speed response obtains drive train inertia torque by actuation system models, and negative to road
Carry the response of mode input speed, the road load model output loading moment of resistance, drive train inertia torque and road load resistance
Square sum is the target torque to be simulated of dynamometer machine, and is controlled with dynamometer machine reality output torque feedback, is realized negative to road
The simulation of load.
Compared with prior art, the present invention has following beneficial effect：The present invention is programmed with LABVIEW language, is realized
The actual loading that is acted on during simulated automotive traveling on motor output shaft and with real steering vectors identical motor operation operating mode
Simulation；Rolling resistance, air drag and grade resistance during the load dynamometer machine simulated automotive traveling can also be real
Existing Brake energy recovery.Test calibration software based on CCP agreements is developed by the patterned programmed environments of LabVIEW, realized
Communication between upper PC and entire car controller, real-time calibration optimization motor rotating speed, torque and battery charge state
SOC, sets up Motor torque MAP, constantly adjustment demarcation MAP, vehicle is had preferable dynamic property and drives ride comfort, from
And realize different driving cycles.
Brief description of the drawings
Patent of the present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 illustrates for the framework of the pure electric automobile pilot system of achievable a variety of driving cycles of the embodiment of the present invention
Figure.
Fig. 2 is the control flow of the pure electric automobile test method of achievable a variety of driving cycles of the embodiment of the present invention
Figure.
Embodiment
The present invention is further described with reference to the accompanying drawings and detailed description.
As shown in Fig. 1~2, the present embodiment include stand main control module and the vehicle for being tested vehicle performance
Controller, the stand main control module include upper PC, the upper PC by PXI real-time emulation systems respectively with power
Battery module, motor module, data acquisition and communication module, dynamometer machine load simulation module, road feel analog module and
Driver input module is connected；The upper PC carries out data interaction with PXI real-time emulation systems by TCP/IP, to emulation
Process is monitored；The upper PC and PXI real-time emulation systems are in communication with each other with entire car controller.
From the foregoing, the beneficial effects of the present invention are：A variety of driving cycles can not only be simulated, make vehicle have compared with
Good dynamic property and ride comfort is driven, and breaches traditional bench simulation and the actual emulation testing for driving disengaging of driver,
The online pilot system of driver is realized, closer to real train test.
In the present embodiment, the power battery module includes power battery pack and battery management system；The driving electricity
Machine module includes motor and drive motor controller, and the drive motor controller is controlled to the rotating speed of motor
System；The data acquisition and communication module include power analyzer, speed/torque sensor and the conversion of at least more than one
CAN interface；The dynamometer machine load simulation module includes dynamometer machine and Dynamometer Control device, and the dynamometer machine, which is used to track, to be circulated
Operating mode, the load resistance suffered by two wheels of simulated automotive, the Dynamometer Control device is used to carry out moment of torsion to dynamometer machine
Control；The driver input module includes pilot set, steering wheel, accelerator pedal and brake pedal, to be driven
The person's of sailing operation simulation；The road feel analog module includes pull pressure sensor, ball-screw and its guiding mechanism, DC torque electricity
Machine and its controller, to the real-time road feel in drive simulating.
In the present embodiment, the speed/torque sensor is arranged on the output shaft of the motor, the PXI
Real-time emulation system is connected through CAN with Dynamometer Control device, the Dynamometer Control device dynamometer machine for connecting, and described turn
Speed/torque sensor is electrically connected with the dynamometer machine.
In the present embodiment, the motor uses permasyn morot, and the drive motor controller is permanent magnetism
Synchronous driving motor controller, the permanent-magnet synchronous driving motor controller is cooled down by the way of water cooling.
In the present embodiment, the battery pack is electrically connected with power analyzer, and the power analyzer connection drive
Dynamic electric machine controller and the PXI real-time emulation systems；The battery pack provides constant current, constant pressure or invariable power for motor
Power supply, the power analyzer carries out electrical power analysis to motor.
In the present embodiment, the PXI real-time emulation systems are divided into real-time control system and data collecting system, described
Real-time control system runs the real-time Controlling models of Simulink, and using Matlab/Simulink and VC hybrid programmings, vehicle is moved
Power model conversation is the dll files that can call in LabVIEW, and calls the clamping of PXI interface boards to receive entire car controller output number
According to passing it to and simulation calculation carried out in auto model；The PXI real-time emulation systems are connected with PXI interface boards, PXI
Interface board card has CAN, AD/DA, IO, pulse signal acquisition mode, and the PXI interfaces board is connected with entire car controller, will
Integrated vehicle control tactics are downloaded in entire car controller, then run entire car controller simultaneously and PXI implements analogue system, pass through reality
When emulate and test and verify entire car controller, wherein, the Controlling model in integrated vehicle control tactics includes motor control, brake force
Distribution, shift of transmission control and battery management control.
In the present embodiment, the upper PC includes display machine and main control computer, and main control computer is responsible for system control, shows machine
It is responsible for the monitoring and display of system operational parameters；The upper PC sets up Labview/VeriStand test platforms, calls
The Dll files of Matlab/Simulink real-time Controlling models generation simultaneously import real-time simulation in LabviewRT, and by model
Input and output are matched with Hardware I/O mouthfuls, by the parameter of model and monitoring variable and Labview/VeriStand interface modules
Matched, realize the real-time display of data by Labview/VeriStand platforms, the upper PC by TCP/IP with
The PXI real-time emulation systems carry out data interaction, realize monitoring process；The PXI real-time emulation systems are according to LabviewRT
Middle real-time simulation is to power battery module, dynamometer machine load simulation module, motor module, power analyzer, speed/torque
Sensor is controlled.
In the present embodiment, the upper PC is developed based on CCP agreements with the patterned programmed environments of LabVIEW
Test calibration software, realizes the communication between upper PC and entire car controller, real-time calibration optimization motor rotating speed, torque
And battery charge state SOC, Motor torque MAP is set up, constantly adjustment demarcation MAP, the driving cycle and reality of simulation
Operating mode is basically identical.
As shown in Fig. 2 the present invention also provides a kind of according to the pure electric automobile described above that a variety of driving cycles can be achieved
The test method of pilot system,
Step S1：The human pilot tested selects pure electric vehicle pattern by the human-computer interaction interface of upper PC, simultaneously
The related vehicle parameter of input simultaneously selects traffic environment parameter；
Step S2:After stand main control module detects that corresponding hardware can be tested accordingly, pilot system starts to start；
Step S3：Road feel simulation system simulates real-time road feel, makes to be sitting in the driver on driver seat and feels what real vehicle drove
Situation;Pilot control steering wheel, accelerator pedal and brake pedal simulation real vehicle drive;
Step S4：Motor control strategy, auto model are generated into C code in Matlab environment, control strategy is downloaded
Into actual entire car controller, each road signal wire of entire car controller is accordingly connected on PXI interface boards, utilized simultaneously
Vehicle dynamic models are converted into the dll files that can be called in LabVIEW by Matlab/Simulink and VC hybrid programmings, and
The clamping of PXI interface boards is called to receive the output data of entire car controller, then upper electricity operation entire car controller and PXI real-time simulations system
System, obtains vehicle simulation result.
In the present embodiment, in step s3, driver input module is according to road condition target vehicle speed and actual vehicle speed
Gas pedal or brake pedal are adjusted, entire car controller receives throttle or brake signal, and send and turn to drive motor controller
Square controlling value, drive motor controller control motor, speed probe measurement motor rotating speed is converted into actual vehicle speed
Pilot model is fed back to, the closed-loop control of speed is realized；Torque sensor measures motor output torque, this torque actuated
Test platform, obtains a rotating speed response, and rotating speed response obtains drive train inertia torque by actuation system models, and to road
Road load module input speed response, the road load model output loading moment of resistance, drive train inertia torque and road load
Moment of resistance sum is the target torque to be simulated of dynamometer machine, and is controlled with dynamometer machine reality output torque feedback, is realized to road
The simulation of road load.
As shown in Fig. 2 in step s 4, the upper PC is based on the patterned programmed environment exploitations of LabVIEW
The test calibration software of CCP agreements, realizes the communication between upper PC and entire car controller, real-time calibration optimization motor
Rotating speed, torque and battery charge state SOC, set up Motor torque MAP, constantly adjustment demarcation MAP, make vehicle have compared with
Good dynamic property and driving ride comfort, the driving cycle and actual condition of simulation are basically identical.
In summary, the pure electric automobile pilot system for achievable a variety of driving cycles that the present invention is provided and its experiment side
Method, can simulate a variety of driving cycles, vehicle is had preferable dynamic property and drive ride comfort, closer and real steering vectors.
The object, technical solutions and advantages of the present invention are further described by above-listed preferred embodiment, are answered
Understand, the foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. a kind of pure electric automobile pilot system that a variety of driving cycles can be achieved, it is characterised in that：Including stand main control module
With the entire car controller for being tested vehicle performance, the stand main control module includes upper PC, the upper PC
Machine by PXI real-time emulation systems respectively with power battery module, motor module, data acquisition and communication module, measurement of power
Machine load simulation module, road feel analog module and driver input module are connected；The upper PC and PXI real-time simulations system
System carries out data interaction by TCP/IP, and simulation process is monitored；The upper PC and PXI real-time emulation systems with
Entire car controller is in communication with each other.
2. a kind of pure electric automobile pilot system that a variety of driving cycles can be achieved according to claim 1, its feature exists
In：The power battery module includes power battery pack and battery management system；The motor module includes motor
And drive motor controller, the drive motor controller is controlled to the rotating speed of motor；The data acquisition and logical
Believe that module includes power analyzer, speed/torque sensor and the conversion CAN interface of at least more than one；The dynamometer machine
Load simulation module includes dynamometer machine and Dynamometer Control device, and the dynamometer machine is used to track state of cyclic operation, the two of simulated automotive
Load resistance suffered by individual wheel, the Dynamometer Control device is used for the control that moment of torsion is carried out to dynamometer machine；The driver is defeated
Entering module includes pilot set, steering wheel, accelerator pedal and brake pedal, to carry out driver's operation simulation；It is described
Road feel analog module includes pull pressure sensor, ball-screw and its guiding mechanism, direct current torque motor and its controller, is used to
Real-time road feel in drive simulating.
3. a kind of pure electric automobile pilot system that a variety of driving cycles can be achieved according to claim 2, its feature exists
In：The speed/torque sensor is arranged on the output shaft of the motor, and the PXI real-time emulation systems are total through CAN
Line is connected with Dynamometer Control device, the Dynamometer Control device dynamometer machine for connecting, and the speed/torque sensor with it is described
Dynamometer machine is electrically connected.
4. a kind of pure electric automobile pilot system that a variety of driving cycles can be achieved according to claim 2, its feature exists
In：The motor uses permasyn morot, and the drive motor controller is Permanent Magnet Synchronous Motor Controller, described
Permanent-magnet synchronous driving motor controller is cooled down by the way of water cooling.
5. a kind of pure electric automobile pilot system that a variety of driving cycles can be achieved according to claim 2, its feature exists
In：The battery pack is electrically connected with power analyzer, and the power analyzer connects the drive motor controller and described
PXI real-time emulation systems；The battery pack provides constant current, constant pressure or constant-power power source, the power analysis for motor
Instrument carries out electrical power analysis to motor.
6. a kind of pure electric automobile pilot system that a variety of driving cycles can be achieved according to claim 2, its feature exists
In：The PXI real-time emulation systems are divided into real-time control system and data collecting system, described real-time control system operation
The real-time Controlling models of Simulink, using Matlab/Simulink and VC hybrid programmings, vehicle dynamic models are converted into
The dll files that can be called in LabVIEW, and call the clamping of PXI interface boards to receive entire car controller output data, pass it to
Simulation calculation is carried out in auto model；The PXI real-time emulation systems are connected with PXI interface boards, and PXI interface board cards have
CAN, AD/DA, IO, pulse signal acquisition mode, the PXI interfaces board are connected with entire car controller, by integrated vehicle control tactics
Download in entire car controller, then run entire car controller simultaneously and PXI implements analogue system, tested by real-time simulation
With checking entire car controller, wherein, Controlling model in integrated vehicle control tactics includes motor control, braking force distribution, speed changer
Gearshift control and battery management control.
7. a kind of pure electric automobile pilot system that a variety of driving cycles can be achieved according to claim 6, its feature exists
In：The upper PC includes display machine and main control computer, and main control computer is responsible for system control, and display machine is responsible for system operational parameters
Monitoring and display；The upper PC sets up Labview/VeriStand test platforms, calls Matlab/Simulink real-time
The Dll files of Controlling model generation simultaneously import real-time simulation in LabviewRT, and by the input and output of model and Hardware I/O mouthfuls
Matched, the parameter of model and monitoring variable are matched with Labview/VeriStand interface modules, passed through
Labview/VeriStand platforms realize the real-time display of data, and the upper PC is imitated in real time by TCP/IP with the PXI
True system carries out data interaction, realizes monitoring process；The PXI real-time emulation systems are according to real-time simulation pair in LabviewRT
Power battery module, dynamometer machine load simulation module, motor module, power analyzer, speed/torque sensor are controlled
System.
8. a kind of pure electric automobile pilot system that a variety of driving cycles can be achieved according to claim 7, its feature exists
In：The upper PC is realized with patterned test calibration softwares of the programmed environment exploitation based on CCP agreements of LabVIEW
Communication between upper PC and entire car controller, real-time calibration optimization motor rotating speed, torque and battery charge state
SOC, sets up Motor torque MAP, constantly adjustment demarcation MAP, and the driving cycle and actual condition of simulation are basically identical.
9. a kind of test method for the pure electric automobile pilot system that can realize a variety of driving cycles according to claim 8,
It is characterized in that：
Step S1：The human pilot tested selects pure electric vehicle pattern by the human-computer interaction interface of upper PC, simultaneously
The related vehicle parameter of input simultaneously selects traffic environment parameter；
Step S2:After stand main control module detects that corresponding hardware can be tested accordingly, pilot system starts to start；
Step S3：Road feel simulation system simulates real-time road feel, makes to be sitting in the driver on driver seat and feels what real vehicle drove
Situation;Pilot control steering wheel, accelerator pedal and brake pedal simulation real vehicle drive;
Step S4：Motor control strategy, auto model are generated into C code in Matlab environment, control strategy is downloaded
Into actual entire car controller, each road signal wire of entire car controller is accordingly connected on PXI interface boards, utilized simultaneously
Vehicle dynamic models are converted into the dll files that can be called in LabVIEW by Matlab/Simulink and VC hybrid programmings, and
The clamping of PXI interface boards is called to receive the output data of entire car controller, then upper electricity operation entire car controller and PXI real-time simulations system
System, obtains vehicle simulation result.
10. the test method of the pure electric automobile pilot system according to claim 9 that a variety of driving cycles can be achieved, its
It is characterised by, in step s3, driver input module adjusts gas pedal according to road condition target vehicle speed and actual vehicle speed
Or brake pedal, entire car controller receives throttle or brake signal, and sends torque control value to drive motor controller, drives
Motor controller controls motor, speed probe measurement motor rotating speed, is converted into actual vehicle speed and feeds back to driver
Model, realizes the closed-loop control of speed；Torque sensor measures motor output torque, and this torque actuated test platform is obtained
To a rotating speed response, rotating speed response obtains drive train inertia torque by actuation system models, and to road load model
Input speed response, the road load model output loading moment of resistance, drive train inertia torque and road load moment of resistance sum
For the target torque to be simulated of dynamometer machine, and controlled with dynamometer machine reality output torque feedback, realize the mould to road load
Intend.
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