CN208921448U - A kind of vehicle test macro - Google Patents
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- CN208921448U CN208921448U CN201821948290.2U CN201821948290U CN208921448U CN 208921448 U CN208921448 U CN 208921448U CN 201821948290 U CN201821948290 U CN 201821948290U CN 208921448 U CN208921448 U CN 208921448U
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- 238000001816 cooling Methods 0.000 claims description 24
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Abstract
The utility model discloses a kind of vehicle test macros, it include: control system, N set longitudinal force load unit, force snesor, acceleration transducer simulation system, steering resistence simulation system, vision simulation device, radar simulator and the data collection system being electrically connected to the control system respectively；Acceleration transducer simulation system is connected between the ESP assembly of tested vehicle and control system；Steering resistence simulation system one end and force snesor are mechanically connected, and the other end is electrically connected with the controller.The system introduces true vehicle and high-precision road vehicle environmental model, so that test result more approaches real vehicle situation, can complete the multinomial test items such as intelligent driving test, dynamic property test, economic testing, braking test.In addition, vehicle test system completes building for vehicle environment in the lab, most of real steering vectors can be completed, but the danger of real steering vectors is not present, ensure that Security of test.
Description
Technical field
The utility model relates to Automobile Measuring Techniques fields, more specifically to a kind of vehicle test macro.
Background technique
In recent years, new energy and intelligent driving have been increasingly becoming two focuses of development of automobile, and major main engine plants are numerous and confused
Put into the research and development that a large amount of financial resources carry out new model.New model is needed in R&D process by largely testing, it is contemplated that when
Between and safety problem, currently used test mode be mostly vehicle test, and current means of testing is not able to satisfy gradually
The testing requirement of new-energy automobile and intelligent driving automobile.Therefore, it is necessary to provide a kind of false for new-energy automobile and intelligence
If the vehicle test macro of automobile.
Utility model content
In view of the above problems, the utility model is proposed, overcomes the above problem or at least partly in order to provide one kind
The vehicle test macro to solve the above problems.
To achieve the above object, the utility model provides following technical solution:
A kind of vehicle test macro, comprising: control system, the N set longitudinal force being electrically connected respectively with the control system are negative
Carrier unit, force snesor, acceleration transducer simulation system, steering resistence simulation system, vision simulation device, radar simulator and
Data collection system；
The a set of longitudinal force load unit is installed at each wheel of tested vehicle, the longitudinal force load unit with
The wheel shaft of the tested vehicle is mechanically connected, for providing longitudinal load to the tested vehicle；
The drag link of the force snesor and the tested vehicle is mechanically connected, for detecting the driving of the drag link
Power；
The acceleration transducer simulation system being connected between the ESP assembly of the tested vehicle and the control system
The longitudinal acceleration, transverse acceleration and yaw velocity united for simulating the tested vehicle；
One end and the force snesor are mechanically connected, the steering resistence mould that the other end is electrically connected with the control system
Quasi- system is applied to the steering resistence of the tested vehicle steering system for simulated roadway；
The vision simulation device is used to simulate the what comes into a driver's around the tested vehicle；
The radar simulator is used to simulate the radar return of the radar sensor of the tested vehicle；
The data collection system is used to carry out data acquisition to the vehicle test macro and the tested vehicle.
Above system, it is preferred that further include:
The cooling system being electrically connected with the control system, for the tested vehicle and the longitudinal force load unit
It is cooled down.
Above system, it is preferred that the cooling system includes:
Speed change wind cooling blower, for simulating the wind under different speeds with relative wind velocity.
Above system, it is preferred that further include:
The drive robot being electrically connected with the control system.
Above system, it is preferred that the longitudinal force load unit includes:
The torquemeter being mechanically connected with the wheel shaft of the tested vehicle；
With the electric dynamometer of torquemeter mechanical connection；
The Dynamometer Control device being electrically connected with the electric dynamometer.
Above system, it is preferred that be equipped with speed probe inside the electric dynamometer, surveyed for detecting the electric power
The rotor-position of function machine.
Above system, it is preferred that the steering resistence simulation system includes:
With the connecting rod of force snesor mechanical connection；
With the motor of connecting rod mechanical connection.
Above system, it is preferred that between N set longitudinal force load unit and the longitudinal force load unit and institute
It states and is communicated between control system using the EtherCAT of daisy chain form.
Above system, it is preferred that the control system includes: real-time simulation machine and host computer.
Above system, it is preferred that further include: the what comes into a driver's ring curtain being electrically connected with the control system, for show road with
And ambient enviroment.
By above scheme it is found that a kind of vehicle test macro provided by the utility model, introduces true vehicle and height
The road vehicle environmental model of precision can complete intelligent driving test, power so that test result more approaches real vehicle situation
Property test, economic testing, braking test etc. multinomial test item.In addition, vehicle test system completes in the lab
Vehicle environment is built, and most of real steering vectors can be completed, but the danger of real steering vectors is not present, and ensure that test safety
Property.Based on above-mentioned two o'clock, is tested, avoided so that Vehicle Controller can be put into the vehicle test macro in initial stage of development
The repetition of the iteration and test environment of test is built, and improves testing efficiency.In addition, the system can be automated
Test, can further shorten test period, reduce testing cost, improve the reliability of test result.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of vehicle test macro provided by the embodiment of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are under that premise of not paying creative labor
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, Fig. 1 is a kind of structural schematic diagram of vehicle test macro provided by the embodiment of the utility model.This
Utility model provide vehicle test macro may include:
Control system 101, the longitudinal force load unit 102 being electrically connected respectively with control system 101, add force snesor 103
Velocity sensor simulation system 104, steering resistence simulation system 105, vision simulation device 106, radar simulator 107 and data are adopted
Collecting system 108；
The quantity of wheel of quantity and tested vehicle of longitudinal force load unit 102 is identical, and even tested vehicle has N number of vehicle
Wheel, then there is the vehicle test macro N to cover longitudinal force load unit 102.The N covers longitudinal force load unit 102 and is used for tested
Vehicle provides longitudinal load.N covers between longitudinal force load unit 102 and longitudinal force load unit 102 and control system 101
Between can using daisy chain form EtherCAT communicate.Specifically, longitudinal force load unit 102 may include:
Torquemeter is mechanically connected with the wheel shaft of tested vehicle；
Electric dynamometer is mechanically connected with torquemeter；
Observing and controlling machine controller, is electrically connected with electric dynamometer.
When longitudinal force load unit 102 is installed, vehicle is first lifted, makes the de- ground of tire, unloads wheel, adjustment longitudinal force load
The shaft position (i.e. the position of the shaft of adjustment electric dynamometer) of unit 102, so that the axis of longitudinal force load unit 102 and tested
The wheel shaft of vehicle is aligned.Torquemeter is used to acquire the torque (to be denoted as driving torque convenient for distinguishing) at the wheel of tested vehicle,
And the driving torque is sent to control system 101, operation obtains load torque to control system 101 by analysis, and will load
Torque is sent to Dynamometer Control device, and Dynamometer Control device controls electric dynamometer output loading torque.Inside electric dynamometer
It can also install speed probe (for example, rotary encoder), which is able to detect the rotor position of electric dynamometer
It sets, the closed-loop control for electric dynamometer.
The steering system assembly of 103 one end of force snesor and tested vehicle mechanical connection, specifically with steering system assembly
In drag link mechanical connection, the other end and steering resistence simulation system 105 are mechanically connected, for detecting the horizontal drawing of tested vehicle
The driving force of bar.
The acceleration transducer simulation system 104 being connected between the ESP assembly of tested vehicle and above-mentioned control system 101
For simulating the longitudinal acceleration, transverse acceleration and yaw velocity of tested vehicle.Movement of the vehicle acceleration to vehicle
Control has very important effect, and vehicle when driving, can have longitudinal (i.e. vehicle traveling direction) acceleration, transverse direction on road
(i.e. the direction vertical with vehicle traveling direction) acceleration and yaw velocity, onboard sensor can detect these acceleration automatically
Then angle value feeds back to related controller and carries out motion control to vehicle.But in the test macro, due to vehicle there is no
True translation, therefore true longitudinal acceleration, transverse acceleration and yaw velocity will not be generated, these acceleration need
It to be simulated using acceleration transducer simulation system 104.Usual vehicle-mounted acceleration transducer is integrated in tested vehicle
In ESP (Electronic Stability Program) assembly, acceleration transducer simulation system 104 needs to infuse by signal
Acceleration signal is sent to the ESP assembly of tested vehicle by the mode entered.
One end and force snesor 103 are mechanically connected, the steering resistence simulation system that the other end is electrically connected with control system 101
105 are applied to the steering resistence of tested vehicle steering system (i.e. steering system assembly in Fig. 1) for simulated roadway.Vehicle exists
On road when driving, road surface can apply steering resistence to wheel, and pass to the electricity in steering system assembly by drag link and help
Power steering system.It, can will be between the drag link and wheel of tested vehicle in order to flexibly and accurately simulate steering resistence
Connection disconnects, and steering resistence simulation system 105 is connect by force snesor 103 with the drag link of tested vehicle, by turning to
105 simulating wheel of resistance simulation system is applied to the steering of drag link.Specifically, steering resistence simulation system 105 may include:
The connecting rod being connect with 103 tool of force snesor, and with the connecting rod mechanical connection motor, the motor also with control system 101
Electrical connection.
Vision simulation device 106 is used to simulate the what comes into a driver's around tested vehicle；Radar simulator 107 is for simulating tested vehicle
Radar sensor radar return.On road when driving, vehicle-mounted camera and radar pass through " light " and " millimeter wave " to vehicle
Constantly perception ambient enviroment, judges road condition, vehicles and pedestrians around state, and transmit these information to related controller,
Judgment basis is provided for the choice of controller.With the movement of vehicle, ambient enviroment can change, and camera and radar needs will not
The environmental information of disconnected transformation is sent to controller in real time.In vehicle test macro provided by the utility model, vehicle there is no
True translation, ambient enviroment also with there are biggish differences on real vehicle road, it is therefore desirable to use vision simulation device 106 and thunder
Ambient condition information is simulated up to simulator 107.Tested vehicle-periphery information is analyzed by the calculating of control system 101
It arrives, environmental information is converted to animated feedback to vehicle-mounted camera by vision simulation device 106, and radar simulator 107 then believes environment
Breath is converted to radar return and feeds back to trailer-mounted radar sensor.
Data collection system 108 is used to carry out data acquisition, number collected to vehicle test macro and tested vehicle
According to the function and performance for analyzing each controller of tested vehicle.The data collection system 108 contains different types of biography
Sensor and data acquisition equipment.Sensor may include: shock sensor, temperature sensor, current sensor, voltage sensor
Deng.Data acquisition equipment may include: power analyzer, environment station etc..The information of acquisition is passed through bus by data collection system
(e.g., CAN bus, EtherCAT bus support the bus or other optional buses etc. of USB interface) or rigid line communication is (such as
Harness) mode be sent to control system 101.
Further, above-mentioned vehicle test macro can also include:
Cooling system 109 is electrically connected with control system 101, for carrying out to tested vehicle and longitudinal force load unit 102
It is cooling.The cooling system 109 includes at least speed change wind cooling blower, which has phase for simulating under different speeds
To the wind of wind speed.Since under different speeds, relative wind velocity is different, and the cooling effect of vehicle is also different, thus can pass through control
The size of the wind speed of speed change wind cooling blower, to simulate the wind with relative wind velocity under different speeds.
The cooling of longitudinal force load unit 102 can also be simulated by the speed change wind cooling blower.The cooling system can be with
Including speed change water-cooling fan, for simulating the cooling of longitudinal force load unit 102.That is, in the utility model embodiment,
Cooling of the tested vehicle under different speeds by the simulation of speed change wind cooling blower there is the wind of relative wind velocity to realize, and longitudinal force
The cooling of load unit 102 can be simulated by speed change wind cooling blower, can also be simulated by speed change water-cooling fan.
Further, whole-control system provided by the utility model can also include:
Drive robot 110 is electrically connected with control system 101, for driving instead of driver.Drive robot
110 can shift gears under the control of control system 101, can control accelerator pedal, brake pedal, can change steering wheel
Corner etc..Drive robot is mainly used for automatic test, and the control instruction of drive robot 110 comes from control system 101.
Further, whole-control system provided by the utility model can also include:
What comes into a driver's ring curtain 111, is electrically connected with control system 101, is an annular screen, for showing road and surrounding ring
Border.Current intelligent driving cannot be replaced with machine completely, sometimes also driver be needed to operate.What comes into a driver's ring curtain can be given
Driver brings driving experience true to nature.
Control system 101 is the control core of entire test macro, and 101 hardware of control system mainly includes real-time simulation machine
And host computer.101 software of control system mainly contains testing and control algorithm, Real-Time Model and human-computer interaction interface.
Testing and control algorithm and Real-Time Model operate in real-time simulation machine, and human-computer interaction interface operates in host computer.It is real
When simulation model can with simulating face tire longitudinal resistance and steering resistence.Longitudinal resistance turns by testing and control algorithm
The moment of resistance being changed at wheel, which is covered longitudinal force load unit by N by control system, and to be loaded into tested vehicle N number of
At wheel.Steering resistence is converted to the resistance at drag link by testing and control algorithm, and control system 101 is by the resistance by turning
It is loaded at tested vehicle drag link to resistance simulation system 105 via force snesor 103.Real-Time Model can be simulated
In the speed, acceleration and rotational angular velocity in tri- directions X, Y, Z, control system 101 longitudinal accelerates vehicle by therein out
Degree, transverse acceleration and yaw velocity are injected into the ESP assembly of tested vehicle by acceleration transducer simulation system 104
In.Real-Time Model can simulate the road environment information under different perspectives, and control system 101 respectively will be under different perspectives
Road environment information be sent to what comes into a driver's ring curtain 111, vision simulation device 106, radar simulator 107.In Real-Time Model
Pilot model can be set according to user and road environment information adjust automatically gear, accelerator pedal, brake pedal and side
To disk corner, control system 101 transmits these information to drive robot 110, completes accordingly to grasp by drive robot 110
Make.Testing and control algorithm is managed cooling system 109, data collection system 108, and entire test system coordination is cooperated to transport
Row, testing and control algorithm takes into account the responsibility of safeguard protection, when monitoring some signal and being abnormal, can give a warning, seriously
When trigger emergency stop, while fault message is fed back into man-machine interaction monitoring interface.Man-machine interaction monitoring interface be used for and user into
Row information interaction, will reach subsystems, while the operating status of entire test macro is fed back to use under the demand of user
Family.
Wherein, X-direction refers to vehicle traveling direction, i.e., longitudinally；Y-direction refers to the direction vertical with vehicle traveling direction,
I.e. laterally；X, Y-direction is located at same level, and Z-direction refers to the direction vertical with X and Y-direction, turns about the Z axis i.e. sideway.
Vehicle test macro provided by the utility model is described further below with reference to intelligent driving operating condition.
User carries out relevant configuration by host computer, comprising: be arranged this vehicle (vehicle i.e. to be measured) parameter, target carriage parameter,
Then road, traffic scene trigger the dependence test use-case that brings into operation.
Control system sends to drive robot and instructs, and is completed the operation such as to power on, put into gear by drive robot, and activate
Intelligent driving function ACC (Adaptive Cruise Control, adaptive cruise control system), LKA (Lane Keeping
Aid, Lane Keeping System), AEB (Autonomous Emergency Brake, automatic emergency brake system).
Vehicle-mounted camera and radar can be according to the radar returns for the picture and radar simulator simulation that vision simulation device is presented
Automatic detection ambient enviroment, then feeds back to road information intelligent driving controller (i.e. vehicle-mounted computer), intelligent driving control
Device can control vehicle and be accelerated, turned, start output driving torque, steering system at wheel when judging conditions permit
Assembly control drag link starts to move.
Torquemeter detects the torque at wheel, and the torque is sent to control system；Force snesor detects horizontal drawing
The driving force is simultaneously sent to control system by bar driving force.
The driving force that the torque that torquemeter detects and force snesor detect is input in Real-Time Model by control system,
Ground is calculated to the longitudinal resistance and steering resistence of wheel, and the resistance is sent to longitudinal force load simulation unit and is turned
To resistance simulation system.
The moment of resistance and driving motor output torque collective effect of longitudinal force load unit output make vehicle wheel rotation；It turns to
The resistance and steering system driving force collective effect of resistance simulation system output rotate steering wheel.
Control system passes through the sensor being arranged on wheel shaft and steering wheel and acquires steering wheel angle and vehicle wheel rotational speed simultaneously
It is entered into simulation model, vehicle is calculated in the speed, acceleration and rotational angular velocity in tri- directions X, Y, Z.
Acceleration information (i.e. longitudinal acceleration, transverse acceleration and yaw velocity) is passed through acceleration by control system
Sensor analog system is injected into ESP controller.
Tested vehicle obtains vehicle acceleration information by ESP assembly, obtains steering wheel by steering system assembly and turns
Angle obtains vehicle wheel rotational speed by wheel, obtains surrounding enviroment information by camera and radar, Vehicle Controller passes through comprehensive point
Current vehicle condition is analysed, accelerator pedal signal, brake pedal signal and steering wheel angle signal is calculated, then secondary control again
Driving motor output phase processed answers torque, control steering system rotation, to form entire closed-loop control.
Illustrate: daisy chain represents a kind of wiring scheme, such as equipment A and equipment B cable phase in electronic apparatus engineering
Even, equipment B uses cable to be connected with equipment C again, and equipment C cable is connected with equipment D, not will form net in this connection method
The topological structure of shape, between only adjacent equipment could direct communication, such as in upper example equipment A be cannot be straight with equipment C
Letter is connected, they must be by equipment B come transfer, and this method not will form loop equally.Because the last one equipment is not
It can be connected to first equipment.This bus connection method can be used to transmit electric power, digital signal and analog signal.
A kind of vehicle test macro provided by the utility model, introduces true vehicle and high-precision road vehicle environment
Model so that test result more approaches real vehicle situation, can complete intelligent driving test, dynamic property test, economic testing,
The multinomial test items such as braking test.In addition, vehicle test system completes building for vehicle environment in the lab, it can
Most of real steering vectors are completed, but the danger of real steering vectors is not present, ensure that Security of test.Based on above-mentioned two o'clock, make
Vehicle Controller can be put into the vehicle test macro in initial stage of development and be tested, avoid test iteration and
The repetition of test environment is built, and testing efficiency is improved.In addition, the system can carry out automatic test, can further contract
Short test period reduces testing cost, improves the reliability of test result.
In several embodiments provided by the utility model, it should be understood that disclosed system, it can be by other
Mode realize.There may be another division manner in actual implementation, such as multiple units or components can combine or can be with
It is integrated into another system, or some features can be ignored or not executed.Another point, it is shown or discussed mutual
Coupling, direct-coupling or communication connection can be through some interfaces, the indirect coupling or communication connection of device or unit, can
To be electrically mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the utility model can integrate in one processing unit,
It can be each unit to physically exist alone, can also be integrated in one unit with two or more units.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of vehicle test macro characterized by comprising control system, the N set being electrically connected respectively with the control system
Longitudinal force load unit, force snesor, acceleration transducer simulation system, steering resistence simulation system, vision simulation device, radar
Simulator and data collection system；
The a set of longitudinal force load unit is installed at each wheel of tested vehicle, the longitudinal force load unit with it is described
The wheel shaft of tested vehicle is mechanically connected, for providing longitudinal load to the tested vehicle；
The drag link of the force snesor and the tested vehicle is mechanically connected, for detecting the driving force of the drag link；
The acceleration transducer simulation system being connected between the ESP assembly of the tested vehicle and the control system is used
In longitudinal acceleration, transverse acceleration and the yaw velocity of simulating the tested vehicle；
One end and the force snesor are mechanically connected, and the steering resistence that the other end is electrically connected with the control system simulates system
System is applied to the steering resistence of the tested vehicle steering system for simulated roadway；
The vision simulation device is used to simulate the what comes into a driver's around the tested vehicle；
The radar simulator is used to simulate the radar return of the radar sensor of the tested vehicle；
The data collection system is used to carry out data acquisition to the vehicle test macro and the tested vehicle.
2. system according to claim 1, which is characterized in that further include:
The cooling system being electrically connected with the control system, for being carried out to the tested vehicle and the longitudinal force load unit
It is cooling.
3. system according to claim 2, which is characterized in that the cooling system includes:
Speed change wind cooling blower, for simulating the wind under different speeds with relative wind velocity.
4. system according to claim 1, which is characterized in that further include:
The drive robot being electrically connected with the control system.
5. system according to claim 1, which is characterized in that the longitudinal force load unit includes:
The torquemeter being mechanically connected with the wheel shaft of the tested vehicle；
With the electric dynamometer of torquemeter mechanical connection；
The Dynamometer Control device being electrically connected with the electric dynamometer.
6. system according to claim 5, which is characterized in that speed probe is installed inside the electric dynamometer,
For detecting the rotor-position of the electric dynamometer.
7. system according to claim 1, which is characterized in that the steering resistence simulation system includes:
With the connecting rod of force snesor mechanical connection；
With the motor of connecting rod mechanical connection.
8. system according to claim 1, which is characterized in that between the N set longitudinal force load unit and described vertical
To the EtherCAT communication for using daisy chain form between power load unit and the control system.
9. system according to claim 1, which is characterized in that the control system includes: real-time simulation machine and host computer.
10. system according to claim 1, which is characterized in that further include: the what comes into a driver's ring being electrically connected with the control system
Curtain, for showing road and ambient enviroment.
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| CN110647056A (en) * | 2019-10-28 | 2020-01-03 | 苏州智行众维智能科技有限公司 | Intelligent networking automobile environment simulation system based on whole automobile hardware-in-loop |
| CN111207934A (en) * | 2020-03-05 | 2020-05-29 | 中国第一汽车股份有限公司 | Testing system and method of chassis control device |
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| CN115096619A (en) * | 2022-07-25 | 2022-09-23 | 苏州英特模汽车科技有限公司 | Load simulation device, steering test system and method |
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| CN110647056A (en) * | 2019-10-28 | 2020-01-03 | 苏州智行众维智能科技有限公司 | Intelligent networking automobile environment simulation system based on whole automobile hardware-in-loop |
| CN111399475B (en) * | 2020-03-05 | 2021-06-15 | 中国第一汽车股份有限公司 | Test system and method |
| CN111207934A (en) * | 2020-03-05 | 2020-05-29 | 中国第一汽车股份有限公司 | Testing system and method of chassis control device |
| CN111399475A (en) * | 2020-03-05 | 2020-07-10 | 中国第一汽车股份有限公司 | Test system and method |
| CN111207934B (en) * | 2020-03-05 | 2022-08-09 | 中国第一汽车股份有限公司 | Testing system and method of chassis control device |
| CN111999076A (en) * | 2020-09-15 | 2020-11-27 | 深圳先进技术研究院 | Unmanned vehicle test system |
| CN111999076B (en) * | 2020-09-15 | 2022-03-04 | 深圳先进技术研究院 | Unmanned vehicle test system |
| CN112146892A (en) * | 2020-09-29 | 2020-12-29 | 武汉格罗夫氢能汽车有限公司 | Fuel cell hydrogen energy automobile multi-energy power system test bench |
| CN112393918A (en) * | 2020-11-19 | 2021-02-23 | 苏州智检通联技术有限公司 | Whole car capability test of new forms of energy intelligent automobile and real demonstration system of instructing |
| 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 |
| CN113029597A (en) * | 2021-04-06 | 2021-06-25 | 北京理工大学 | Unmanned vehicle full-line control chassis test system |
| CN113532878A (en) * | 2021-07-15 | 2021-10-22 | 青驭汽车科技(太仓)有限公司 | Whole vehicle comprehensive performance test system |
| CN115096619A (en) * | 2022-07-25 | 2022-09-23 | 苏州英特模汽车科技有限公司 | Load simulation device, steering test system and method |
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