CN109900399A - A kind of wheel side/hub drive system test platform - Google Patents
A kind of wheel side/hub drive system test platform Download PDFInfo
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- CN109900399A CN109900399A CN201711288749.0A CN201711288749A CN109900399A CN 109900399 A CN109900399 A CN 109900399A CN 201711288749 A CN201711288749 A CN 201711288749A CN 109900399 A CN109900399 A CN 109900399A
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Abstract
The present invention provides a kind of wheel side/hub drive system test platform, including Dynamometer Control device and at least two dynamometer machines, the control terminal of Dynamometer Control device dynamometer machine for connecting；It further include environment simulator；Environment simulator and Dynamometer Control device and host computer distinguish communication connection；Environment simulator is additionally provided with the communication interface of the entire car controller for connecting tested vehicle；Host computer is used to be arranged the traffic information of tested vehicle and is sent to environment simulator；Environment simulator is used to calculate the operating condition of tested vehicle according to the information received from host computer and be sent to the entire car controller and Dynamometer Control device of vehicle；Dynamometer Control device is used to control each dynamometer machine according to the information received from environment simulator.Technical solution provided by the invention is provided at least two dynamometer machines, can test simultaneously multiple motors, solves the problems, such as to all motors of electric vehicle while not testing when vehicle is run.
Description
Technical field
The invention belongs to fuel-cell vehicle technical field of performance test, and in particular to a kind of wheel side/hub drive system
Test platform.
Background technique
Under the dual-pressure of energy and environment, wheel side/wheel hub driving fuel cell car is sent out as future automobile industry
The emphasis of the direction of exhibition and automotive field research.Wheel side/wheel hub driving fuel cell car is compared with orthodox car and is eliminated
The mechanical parts such as retarder, transmission shaft and drive axle, power configuration, drive mechanism and handling, in terms of
With unique technical advantage.But differential mechanism is also eliminated while due to eliminating drive axle, so that wheel side/wheel hub drives
The problem of dynamic fuel cell car is faced with electronic differential in turning, this proposes the research and development of electronic differential technology higher
It is required that therefore carrying out bench test to the exploitation of its dynamical system especially Electronic differential control is key link.
Although the real road driving condition of the more difficult accurately simulated automotive of testing stand, the variation tendency of line load
It is almost the same with condition of road surface.It is tested, is may be implemented to wheel side/wheel hub driving fuel cell car power by test bed testing
The debugging and calibration of system control module and dynamic property and Eco-power test, it is various relevant can also to explore dynamical system
Vehicle control logic, control strategy, while complete vehicle test time, nominal time can be greatly decreased, and reduce research cost and
The risk of vehicle road test.Therefore it is test bed to construct the dynamical system met the requirements, fuel is driven to wheel side/wheel hub
The exploitation of battery car has a very important significance.
But existing I. C. engine test macro and single motor pure electric vehicle systems test bed cannot be to Direct wheel drives
Fuel Cell Vehicle Powertrain is tested, and can not be to wheel side/wheel hub driving system in existing disclosed patent or technology
The electronic differential function of system automobile is tested.Authorization Notice No. is that fuel cell disclosed in the Chinese patent of CN1601792B is mixed
Dynamical system experimental study system is closed, a kind of scheme for carrying out experimental study to motor using test-bed is provided, but should
Pilot system is merely able to test a motor, can not test simultaneously multiple motors, and electric vehicle is provided with
At least two motors, therefore the pilot system is unable to test the performance of all motors when vehicle operation, can not also simulate vehicle fortune
Row state, such as simulation wheel side/wheel hub driving entire car of fuel cell car dynamics of vehicle performance.
Summary of the invention
The present invention provides a kind of wheel side/hub drive system test platform, can not be right in vehicle operation for solution
The problem of all motors of electric vehicle are tested simultaneously.
To achieve the above object, present invention provide the technical scheme that
Scheme 1: a kind of wheel side/hub drive system test platform, including Dynamometer Control device and dynamometer machine, measurement of power
The control terminal of machine control device dynamometer machine for connecting；It further include environment simulator；
Environment simulator and Dynamometer Control device and host computer distinguish communication connection；The environment simulator is also set
There is the communication interface of the entire car controller for connecting tested vehicle；
The host computer is used to be arranged the traffic information of tested vehicle, and the traffic information of setting is sent to environmental simulation
Device；
The environment simulator is used to calculate the operating condition of tested vehicle according to the information received from host computer
And it is sent to the entire car controller and Dynamometer Control device of vehicle；
The Dynamometer Control device is used to control each dynamometer machine according to the information received from environment simulator
System；
The dynamometer machine is equipped at least two, and for being arranged at tested motor, simulated roadway resistance is simultaneously applied to tested
On motor.
Technical solution provided by the invention is equipped with environment simulator and at least two dynamometer machines, when test double drive electricity
When motor-car, environment simulator calculates the working condition of vehicle according to the information being arranged at host computer, to the fortune of vehicle
Row operating condition is simulated and is controlled, and is tested simultaneously using two dynamometer machines two driving motors, to solve in vehicle
The problem of all motors of electric vehicle can not being tested simultaneously when operation.
Scheme 2: on the basis of scheme 1, there are four the dynamometer machine settings.
Four dynamometer machines are set, it, can be to four motors simultaneously when tested electric vehicle is set there are four when driving motor
It is tested.
Scheme 3: on the basis of scheme 1 or 2, the traffic information of the tested vehicle includes the speed letter of tested vehicle
The grade information of breath, steering wheel angle information and road.
Scheme 4: on the basis of scheme 1 or 2, the operating condition of the tested vehicle includes that the throttle of tested vehicle is opened
Degree brakes the resistance of aperture and each tire；The environment simulator is by the accelerator open degree of calculated tested vehicle and braking
Aperture is sent to the entire car controller of tested vehicle, and the resistance of each tire of tested vehicle is sent to Dynamometer Control device.
Scheme 5: on the basis of scheme 1 or 2, the environment simulator be equipped with Full Vehicle Dynamics model, road model,
Vehicle running environment model and pilot model.
Scheme 6: on the basis of scheme 1, the environment simulator is integrated on host computer.
Detailed description of the invention
Fig. 1 is the structure principle chart that side/hub drive system test platform is taken turns in embodiment；
Fig. 2 is the schematic diagram taken turns when side/hub drive system test platform is single motor test in embodiment；
Fig. 3 is the schematic diagram taken turns when side/hub drive system test platform is the test of uniaxial bi-motor in embodiment；
Fig. 4 is the schematic diagram taken turns when side/hub drive system test platform is four electromechanical testing of twin shaft in embodiment.
Specific embodiment
The present invention provides a kind of wheel side/hub drive system test platform, can not be right in vehicle operation for solution
The problem of all motors of electric vehicle are tested simultaneously.
To achieve the above object, present invention provide the technical scheme that
A kind of wheel side/hub drive system test platform, including Dynamometer Control device and dynamometer machine, Dynamometer Control
The control terminal of device dynamometer machine for connecting；It further include environment simulator；
Environment simulator and Dynamometer Control device and host computer distinguish communication connection；The environment simulator is also set
There is the communication interface of the entire car controller for connecting tested vehicle；
The host computer is used to be arranged the traffic information of tested vehicle, and the traffic information of setting is sent to environmental simulation
Device；
The environment simulator is used to calculate the operating condition of tested vehicle according to the information received from host computer
And it is sent to the entire car controller and Dynamometer Control device of vehicle；
The Dynamometer Control device is used to control each dynamometer machine according to the information received from environment simulator
System；
The dynamometer machine is equipped at least two, and for being arranged at tested motor, simulated roadway resistance is simultaneously applied to tested
On motor.
Embodiments of the present invention are described further with reference to the accompanying drawing.
The present embodiment provides a kind of wheel side/hub drive system test platforms, for fuel-cell vehicle vehicle
Operating condition is simulated, and then is evaluated the performance of fuel-cell vehicle vehicle.
Side/hub drive system test platform is taken turns provided by the present embodiment, structure principle chart is as shown in Figure 1, packet
Include environment simulator, Dynamometer Control device, host computer and four dynamometer machines.
Environment simulator and host computer communication connection, be provided at host computer for the input vehicle parameter in test and
Test the interface of traffic information.It is upper after vehicle parameter and test traffic information are inputted host computer by tester in test
Vehicle parameter and test traffic information are sent to environment simulator by machine.The vehicle parameter of tester's input includes tested vechicle
Velocity information and steering wheel angle information, the test traffic information of input includes the grade information of road.
Environment simulator and Dynamometer Control device communication connection, and be equipped with for logical with tested vehicle entire car controller
Interrogate the communication interface of connection.After environment simulator receives vehicle parameter and test traffic information from host computer, calculate
The resistance for the road that the accelerator open degree of tested vehicle and braking aperture and each tire should be subject to when testing out.Then it will be tested
The accelerator open degree and braking aperture of vehicle are sent to the entire car controller of tested vehicle, and the road resistance that each tire should be subject to is sent out
Give Dynamometer Control device.
Dynamometer Control device connects the control terminal of each dynamometer machine, and when Dynamometer Control device receives, each tire is receivable to be arrived
Road resistance after, according to the kinetic model of tested vehicle, calculating each dynamometer machine needs output quantity to be offered, to each measurement of power
Machine is controlled.
A kind of wheel side/hub drive system test platform, tests tested vehicle provided by the present embodiment
Method is as follows:
1, tested vehicle kinetic model is established at host computer, and the vehicle parameter and test road conditions of tested vehicle are set
Information, wherein vehicle parameter includes velocity information and steering wheel angle information, and test traffic information includes grade information；
2, the vehicle parameter and test traffic information of the vehicle dynamic model set and tested vehicle are downloaded to ring
In the simulator of border；Environment simulator calculates the tested vehicle oil needed when test according to the information received from host computer
Door opening information, brakes the information of resistance suffered by opening information and each tire；Then environment simulator is by tested vehicle
Accelerator open degree is sent to entire car controller with braking opening information in proper order, and the information of resistance suffered by each tire is transferred to dynamometer machine
Control unit；
3, entire car controller drives tested vechicle by electric machine controller according to the throttle signal and brake signal received
Driving motor work, and control battery management system and fuel cell management system works；
4, information of the Dynamometer Control device according to the be impregnated resistance of each wheel received from environment simulator, control survey
Function machine exports the road resistance encountered in real vehicle to the driving motor being mechanically coupled with dynamometer machine, analog-driven motor, thus
Complete the calibration to the parameters such as each driving motor performance and efficiency and vehicle performance.
When testing single wheel side/hub driven motor performance using an independent dynamometer machine, it is arranged by host computer
Test data is first sent to environment simulator by good test program, host computer, again will after the calculating of environment simulator
Data are sent to Dynamometer Control device, control corresponding dynamometer machine by Dynamometer Control device and export corresponding power, simultaneously
The operation information of tested vehicle is sent to the entire car controller of tested vehicle by environment simulator, tested vehicle is according to from ring
The information of border simulator controls electric machine controller and power battery management system, tested by electric machine controller control
The output of driving motor, to complete the calibration to parameters such as single motor performance and efficiency.
When testing the straight drive fuel cell system in center with single motor, pass through the examination such as Work condition analogue first
Test the test and evaluation for obtaining the control strategy, efficiency and other performances of realizing entire dynamical system.Its principle is as shown in Figure 2:
Pass through the information such as the setting test parameter in host computer, including traffic information, vehicle basic parameter and is sent to environmental simulation dress
It sets；After on-test, environment simulator will be filled by the way that test data is sent to Dynamometer Control device by Dynamometer Control
The output of control dynamometer machine is set, while information, vehicle control are sent to the entire car controller of tested vehicle by environment simulator
Device processed is controlled according to electric machine controller and power battery management system of the information received to tested vehicle, by motor control
Device processed controls the output of tested driving motor, to complete the calibration to parameters such as single motor performance and efficiency.
When to uniaxial bi-motor wheel side/efficiency of wheel hub driving Fuel Cell Vehicle Powertrain test control system, control
When system strategy and other performances carry out test evaluation, test evaluation method is as shown in Figure 3: upper after test program brings into operation
Information including velocity variations, slope change and steering wheel angle variation is sent to environment simulator by machine, by environmental simulation
Device combines the vehicle performance parameter being set in advance and pilot model to carry out analytical Calculation, is formed in practical driving procedure and is driven
The output of member, such as accelerator pedal signal, brake pedal signal, hand-wheel signal and gear panel control signals information are sent to
Entire car controller, by the power output of vehicle control unit controls fuel cell system, and then control wheel side/hub motor power
Output；When there is steering wheel angle, the driving motor of two sides exports different revolving speeds.Meanwhile environment simulator also needs to count
It calculates two lateral load dynamometer machines to load when there is steering and in the case of without steering, and load is passed through into Dynamometer Control System control
Dynamometer machine output processed, loads to measured wheel edge system to realize, simulates the operating condition of real vehicle.
To four motor wheel edges of twin shaft/efficiency of wheel hub driving Fuel Cell Vehicle Powertrain test control system, control
When strategy and other performances carry out test evaluation, test evaluation method is as shown in Figure 3: test four motor wheel edges of twin shaft/wheel hub drives
When dynamic Fuel Cell Vehicle Powertrain, environment simulator combine the vehicle performance parameter being set in advance and pilot model into
Row analytical Calculation forms the output of driver in practical driving procedure, such as accelerator pedal signal, brake pedal signal, steering wheel
For the information such as signal and gear panel control signals to entire car controller, the power by vehicle control unit controls fuel cell system is defeated
Out, and then control wheel side/hub motor power output.When there is steering wheel angle, the motor output of antero posterior axis two sides four is not
Same revolving speed.Meanwhile environment simulator also needs to have four-wheel side differential computing module, for according to steering wheel angle and vehicle
The information such as speed, build computation model, can be realized the load dynamometer machine of twin shaft two sides four when there is steering and without steering feelings
It loads and calculates under condition, and load is controlled into dynamometer machine output by Dynamometer Control device, measured wheel side driving motor is given in realization
System loads, to simulate real vehicle operating condition driving on the road.
As other embodiments, if tested vehicle is double drive vehicle, i.e., there are two drivings for setting on tested vehicle
Two dynamometer machines can be only arranged in motor.
As other embodiments, environment simulator can be integrally disposed on host computer.
Claims (6)
1. a kind of wheel side/hub drive system test platform, including Dynamometer Control device and dynamometer machine, Dynamometer Control dress
Set the control terminal of dynamometer machine for connecting；It is characterized in that, further including environment simulator；
Environment simulator and Dynamometer Control device and host computer distinguish communication connection；The environment simulator is additionally provided with use
In the communication interface of the entire car controller of connection tested vehicle；
The host computer is used to be arranged the traffic information of tested vehicle, and the traffic information of setting is sent to environmental simulation dress
It sets；
The environment simulator is used for according to the information received from host computer, and the operating condition for calculating tested vehicle is concurrent
Give the entire car controller and Dynamometer Control device of vehicle；
The Dynamometer Control device is used to control each dynamometer machine according to the information received from environment simulator；
The dynamometer machine is equipped at least two, and for being arranged at tested motor, simulated roadway resistance is simultaneously applied to tested motor
On.
2. a kind of wheel side/hub drive system test platform according to claim 1, which is characterized in that the measurement of power
There are four machine settings.
3. a kind of wheel side/hub drive system test platform according to claim 1 or 2, which is characterized in that the quilt
The traffic information of measuring car includes the grade information of the velocity information of tested vehicle, steering wheel angle information and road.
4. a kind of wheel side/hub drive system test platform according to claim 1 or 2, which is characterized in that the quilt
The operating condition of measuring car includes the accelerator open degree of tested vehicle, brakes the resistance of aperture and each tire；The environmental simulation dress
The entire car controller that the accelerator open degree of calculated tested vehicle and braking aperture are sent to tested vehicle is set, by tested vehicle
The resistance of each tire is sent to Dynamometer Control device.
5. a kind of wheel side/hub drive system test platform according to claim 1 or 2, which is characterized in that the ring
Border simulator is equipped with Full Vehicle Dynamics model, road model, vehicle running environment model and pilot model.
6. a kind of wheel side/hub drive system test platform according to claim 1, which is characterized in that the environment
Simulator is integrated on host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711288749.0A CN109900399A (en) | 2017-12-07 | 2017-12-07 | A kind of wheel side/hub drive system test platform |
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| CN201711288749.0A CN109900399A (en) | 2017-12-07 | 2017-12-07 | A kind of wheel side/hub drive system test platform |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111650508A (en) * | 2020-05-12 | 2020-09-11 | 上海有个机器人有限公司 | In-wheel motor simulation load test system |
| CN112082775A (en) * | 2020-09-30 | 2020-12-15 | 中国汽车工程研究院股份有限公司 | Power system testing method and device for simulating running state of whole vehicle |
| CN113138083A (en) * | 2021-03-25 | 2021-07-20 | 西安法士特汽车传动有限公司 | Test system and test method for whole vehicle hub and power assembly |
| CN113567859A (en) * | 2021-08-30 | 2021-10-29 | 重庆理工清研凌创测控科技有限公司 | New energy automobile complete machine power testing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112082775A (en) * | 2020-09-30 | 2020-12-15 | 中国汽车工程研究院股份有限公司 | Power system testing method and device for simulating running state of whole vehicle |
| CN113138083A (en) * | 2021-03-25 | 2021-07-20 | 西安法士特汽车传动有限公司 | Test system and test method for whole vehicle hub and power assembly |
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| CN113567859B (en) * | 2021-08-30 | 2022-07-29 | 重庆理工清研凌创测控科技有限公司 | New energy automobile complete machine power testing method |
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Application publication date: 20190618 |
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