CN106441929A - Electromobile electric accessory performance testing and collecting system and collecting method - Google Patents
Electromobile electric accessory performance testing and collecting system and collecting method Download PDFInfo
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- CN106441929A CN106441929A CN201610804738.2A CN201610804738A CN106441929A CN 106441929 A CN106441929 A CN 106441929A CN 201610804738 A CN201610804738 A CN 201610804738A CN 106441929 A CN106441929 A CN 106441929A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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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
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Abstract
The invention relates to the field of electromobile energy management and provides an electromobile electric accessory performance testing and collecting system to improve energy-saving performance of an electromobile. A data collection module is connected with a control module, collects state data of electromobile electric accessories according to a control instruction and transmits the state data to the control module, a human-machine interaction module comprises a display device and an information input device, the display device displays the state data and data information formed by processing by the control module, and the information input device inputs a control instruction; the control module comprises a data processor and a storer, the data processor completes data processing work according to a control order or sends out a control instruction, and the storer stores the state data and data information formed by processing by the data processor; a power source powers the data collection module, the control module and the human-machine interaction module. Energy management optimization strategies are formulated by utilizing the state data collected by the system, and the energy-saving performance of the electromobile is improved.
Description
Technical field
The present invention relates to electric automobile energy management domain, more particularly to consumes to the energy of the electricity consumption adnexa in electric automobile
Dissipate the test acquisition system and acquisition method for carrying out testing.
Background technology
As energy scarcity and ecological deterioration phenomenon are increasingly serious, energy-conserving and environment-protective are also increasingly taken seriously.With respect to biography
System fuel combustion vehicle, using electric power as power source electric automobile more energy-conserving and environment-protective.But, mostly current electric automobile is logical
Cross and from different energy management strategies or optimisation strategy, the energy of electric automobile is managed, so as to realize the mesh of energy-conservation
's.Those skilled in the art formulating management strategy or during optimisation strategy, just for electric automobile driving cycle to electronic
The energy management strategies of automobile are optimized, and do not consider the energy consumption of the electric adnexa in electric automobile, and energy saving is poor.
Content of the invention
For improving the energy-efficient performance of electric automobile, the present invention proposes a kind of electric automobile electricity adnexa performance test collection system
System, the test acquisition system includes data acquisition module, human-computer interaction module, control module and power supply；
The data acquisition module is connected with the control module, and the data acquisition module is sent out according to the control module
The control instruction for going out gathers the status data of the electric automobile electricity adnexa and by the status data transfers to the control module
In；
The human-computer interaction module includes display device and the message input device being connected with the control module, described aobvious
Showing device is used for showing the status data that the data collecting module collected arrives and the status data through the control module
The data message that process is formed, described information input equipment is used for being input into control command to the control module；
The control module includes data processor and memorizer, and the data processor is according to the human-computer interaction module
The control command of input completes data processing work or sends control instruction, the memorizer be used for store the status data and
The data message that the data processor processes are formed；
The power supply is that the data acquisition module, the control module and the human-computer interaction module are powered.
Using the electric automobile electricity adnexa performance test acquisition system, electric attachment status data on electric automobile are adopted
Collection, and can need to process the status data of electric adnexa according to the energy consumption analysis of each electric adnexa, in order to electronic vapour
Car carries out car load power distribution statistics, single electricity accessory power distribution statisticses and single electricity adnexa working time ratio statistics,
So, those skilled in the art, can be according to the traveling of electric automobile when the energy management strategies to electric automobile are optimized
The energy consumption of operating mode and electric automobile electricity adnexa formulates optimisation strategy, so as to realize the energy management to electric automobile, improves electronic
The energy-efficient performance of automobile.
Preferably, the data acquisition module includes sensor data capture card, and the sensor is fixed on
It is connected with the data collecting card on electricity adnexa to be tested and by data line, described in the sensor acquisition, electricity to be measured is attached
The status data is simultaneously converted into the status data signal of telecommunication by the status data of part, and the data collecting card is with the control module even
The control instruction for connecing and being sent according to the control module gathers the status data signal of telecommunication from the sensor simultaneously should
Status data electric signal transmission is in the control module.So, using data line sensor data capture card it
Between transmission signal, signal can be avoided impaired, laser propagation effect is good.
Preferably, the sensor includes current sensor, voltage sensor, velocity sensor, rotary angle transmitter and temperature
Degree sensor.
Preferably, the control module includes format converter, the format converter and the data processor and described
Memorizer connects, for changing the form of the data storage file of data processor output.So, user can be according to follow-up
Analysis need, by human-computer interaction module to control module send form conversion command, make data processor export data
The form of storage file is converted to the form needed for analysis, uses, improve analysis efficiency when facilitating subsequent analysis.
Further, in the control module, network interface, USB interface and USB interface are provided with.So, user can pass through net
Network carries out remotely control to the electric automobile electricity adnexa performance test acquisition system, while can survey to electric automobile electricity adnexa performance
Test acquisition system acquisition to status data and the data message that obtains processed to status data carry out remote backup and management；Can
It is connected with display device using USB interface, status data and status data are processed the data message for obtaining and transmitted by USB interface
To in display device, high resolution, the fast and Show Color of display speed are abundant, are easy to user's observation analysis；USB interface can be passed through
Link information input equipment, convenient and fast connection.
Preferably, the display device can be shown by multiple windows.So, can in the display device same time period
Shown or played back display by multiple windows to different data messages in real time, be both easy to user to read electric automobile in real time
State in the process of moving, the change of each item data when being easy to user to understand test collection after the completion of test collection again
Journey, is conveniently analyzed to electric automobile.
Preferably, the power supply is DC-DC power source or vehicle-mounted low-tension supply, and the DC-DC power source or vehicle-mounted low-tension supply can
It is directly that data acquisition module, human-computer interaction module and control module are powered, easy to use.
The present invention also proposes a kind of electric automobile electricity adnexa performance test acquisition method, and the method comprises the steps：
S1：Different types of sensor in data acquisition module passes through the data acquisition of data line and respective type
Card connection, and the sensor is needed installation to be fixed on electricity adnexa to be tested according to test；
S2：When the sensor is current sensor, voltage sensor, velocity sensor or rotary angle transmitter, to institute
Stating sensor carries out drift demarcation；When the sensor is temperature sensor, value correction is measured to the sensor；
S3：Control command is input into in control module by human-computer interaction module, and the control module is according to the control
System order sends control instruction to the data acquisition module, and the data acquisition module gathers to be measured according to the control instruction
The status data for collecting simultaneously is transported in the control module by the status data of the electric adnexa of examination by the data collecting card；
S4：The control module to the data collecting module collected to status data processed and stored.
Electronic vapour can be gathered during electric automobile during traveling using the electric automobile electricity adnexa performance test acquisition method
In car, the status data of electric adnexa such as operating current, running voltage, the temperature in car room, the temperature outside car room, vehicle are travelled
Speed and steering angle etc., and according to subsequent analysis demand, the status data for collecting is processed, so that user is right
When electric automobile carries out energy management, can be according to the driving cycle of the energy consumption of electric automobile electricity adnexa and electric automobile to electronic
The EMS of automobile enters to optimize, and then improves the energy-efficient performance of electric automobile.
Preferably, in step S3, the data acquisition module is to described during the electric automobile during traveling
The status data of electricity adnexa to be tested carries out Real-time Collection.So, user is according to the status data for collecting to electric automobile electricity
When the energy consumption of adnexa carries out statistical analysiss, statistic analysis result is more accurate.
Preferably, in step S4, the control module is adopted to the data acquisition module by data processor
The status data for collecting is processed, and the lattice by format converter to data storage file that the data processor is exported
Formula is changed.So, user can need the lattice of the data storage file to data processor output according to subsequent statistical analysis
Formula is changed, in order to follow-up statistical analysiss, convenient and practical.
Description of the drawings
Fig. 1 is the structured flowchart of electric automobile electricity adnexa performance test acquisition system of the present invention.
Specific embodiment
As shown in figure 1, electric automobile of the present invention electricity adnexa performance test acquisition system includes data acquisition module 1, man-machine
Interactive module 2, control module 3 and power supply 4.Data acquisition module 1 is connected with control module 3, and sent according to control module 3
The status data of control instruction collection electric automobile electricity adnexa, the status data includes the operating current of electric adnexa in electric automobile
With the steering angle during running voltage, the temperature of car indoor and outdoor of electric automobile, the travel speed of electric automobile and traveling.
Human-computer interaction module 2 is connected with control module 3, the status data for collecting for video data acquisition module 1 and the state
The data message that data are formed after the process of control module 3, and control command is input into in control module 3.3 basis of control module
The control command that human-computer interaction module 2 is input into completes data processing work or sends control instruction, and the number to process formation
It is believed that breath is stored.4 data acquisition modules 1 of power supply, human-computer interaction module 2 and control module 3 are powered.
Data acquisition module 1 includes 11 data capture card 12 of sensor, and sensor 11 is by data line 13 and number
Connect according to capture card 12, and sensor 11 is fixed on electricity adnexa to be tested as needed, attached for gathering electricity to be tested
The status data of part, and the status data is converted into the status data signal of telecommunication；Data collecting card 12 is embedded in control module 3
On.The type of sensor 11 can be determined according to the type of electric adnexa in electric automobile, such as, all electricity consumption adnexaes in electric automobile
All need to arrange current sensor and voltage sensor, the operating current for detection adnexa and running voltage, so as to calculate
Go out the power consumption i.e. energy expenditure of electricity consumption adnexa；All temperature sensor is equipped with outside the car room Nei Heche room of electric automobile, the temperature
The preferable thermocouple sensor of degree sensor, for detecting the temperature outside the car room Nei Heche room of electric automobile, and opens in air-conditioning
Refrigeration and the comfort level of air-conditioning is evaluated when opening；The drive system of electric automobile arranges velocity sensor, electronic for detecting
The travel speed of automobile is speed, to analyze impact of the change of speed to the energy consumption of electric automobile；The steering system of electric automobile
Under unified central planning set rotary angle transmitter, for detecting the steering angle of electric automobile, to analyze the shadow of the steering to its energy consumption of electric automobile
Ring.The range of sensor 11 and precision are determined according to the characteristic of electricity adnexa to be tested.Such as, motor power demand is big, temperature
Impact of the degree to motor performance is obvious, needs the status data of collection to include operating current, running voltage and temperature, its
In, current sensor needs the high precision electric current transducer from high-precision wide range, and voltage sensor need to select 700V's
High precision electro pressure sensor；The power demand of air conditioner motor is less, and temperature rise phenomenon is not obvious, it is only necessary to gather its operating current and
Running voltage, as air conditioner motor is by battery-powered, therefore needs the voltage sensor from a large range high precision, due to
The power of air conditioner motor is little, and operating current is less, therefore needs closed-loop current sensors high-precision from small-range；Electronic
The steer motor of car, is powered by low-tension supply, and voltage is low, and power is less, and electric current is also less, and is not to be constantly in work
State, therefore raises the impact to motor performance, it is only necessary to from the high-precision voltage sensor of small-range without consideration temperature
Its operating current and running voltage are gathered with closed-loop current sensors；The braking motor of electrocar, is powered by low-tension supply, electricity
Force down, power is less, electric current is also less, and be not that working condition is constantly in, therefore raise to braking without consideration temperature
The impact of motor performance, it is only necessary to gather its work electricity from the high-precision voltage sensor of small-range and closed-loop current sensors
Stream and running voltage；Low-voltage electrical apparatus part (lighting system, instrument, sound system, electric windshield wiper, power windows etc.), by
Low-tension supply is powered, and the voltage of each low pressure consuming parts is low, and power is little, electric current also very little, and each low pressure components it
Between be in parallel, it is therefore desirable to from a small-range high-accuracy voltage sensor acquisition running voltage, each low pressure electricity consumption
Need to the connect high precision closed loop current sensor of a small-range of part gathers the operating current of each low pressure consuming parts, low pressure
The total feeder ear of electric component needs the slightly larger high precision closed loop current sensor collection low-voltage electrical apparatus part of a range of connecting
Total operating current.The type of the status data for being gathered according to sensor 11 selects the data collecting card 12 of respective type, such as,
Current sensor is connected with current acquisition card by data line, and voltage sensor is by data line and voltage acquisition card
Connection, velocity sensor is connected with speed data collection card by data line.For connecting the number of sensor data capture card
Can determine as needed according to the length of transmission line, to meet the test collection needs of different automobile types.Preferably, data line 13
From shielded cable, to avoid the status data signal of telecommunication impaired in transmitting procedure.
Human-computer interaction module 2 includes display device 21 and message input device 22.Wherein, display device 21 is used for showing number
The data message that the status data for collecting according to acquisition module 1 and status data are formed after the process of control module 3.It is preferred that
Ground, display device 21 can be shown to different data messages in real time by multiple windows and be played back display, both be easy to user
Reading electric automobile state in the process of moving in real time, is easy to user each when test collection is understood after the completion of test collection again
The change procedure of item data, facilitates user to be analysed in depth.Message input device 22 includes keyboard and mouse, so, user
Input through keyboard order, the such as size of length of testing speech, sample rate and maximum sample rate can be passed through；Using mouse in electric automobile
Related key is clicked on to be input into control command in the controlling interface of electric adnexa test acquisition system, such as, click on initiating key so that
The electric automobile electricity adnexa test acquisition system brings into operation, and clicks on acquisition channel to select the collection for meeting collection requirement to lead to
Road.
Control module 3 includes data processor 31 and memorizer 32.Wherein, data processor 31 is according to user by man-machine
The control command that interactive module 2 is input into sends control instruction to data acquisition module 1, so that data acquisition module 1 starts collection
The status data transfers for collecting simultaneously are processed in data processor 31 by the status data of electric automobile electricity adnexa.Data
When the status data that processor 31 is collected to data acquisition module 1 is processed, can be according to each electric adnexa in electric automobile
Energy consumption analysis demand processed.As energy consumption analysis demand includes instantaneous maximum current output, instantaneous power consumption, average
The impact of energy consumption and temperature to energy consumption, when energy consumption analysis are carried out to electric automobile electricity adnexa, needs to obtain in electric automobile
Each maximum voltage of electric adnexa within a period of time, minimum voltage, average voltage, maximum current, minimum current, average electricity
Stream, therefore, data processor 31 need to carry out meansigma methodss, most when the status data collected by data acquisition module 1 is processed
Big value, minima, standard deviation and root-mean-square value are calculated.For example, whole test gatherer process is 13 minutes, therefrom chooses continuous
The test data of 10s, and car load power distribution statistics, single electricity accessory power are carried out according to this section of test data to electric automobile
Distribution statisticses and single electricity adnexa working time ratio statistics.Wherein, car load power distribution statistics is referred in many experiments
Under circulation, its power is calculated according to the operating current of each electric adnexa and running voltage, by all electricity adnexaes in electric automobile
Power be added car load power be obtained, and with percentage ratio as the longitudinal axis, car load power distribution is drawn as transverse axis with car load power.
Single electricity accessory power distribution statisticses refer to calculate the electric adnexa according to the single electricity operating current of adnexa and running voltage
Power, and with percentage ratio as the longitudinal axis, the single electricity accessory power distribution is drawn as transverse axis with the power of the single electricity adnexa.Single
Electric adnexa working time ratio statistics refers to single electricity adnexa in whole test gatherer process, and the catabiotic working time accounts for
The ratio of whole test acquisition time.The electric automobile electricity adnexa that memorizer 32 is collected for data storage acquisition module 1
The data message that status data and the status data are formed through 31 process of data processor, has gathered in test in order to user
The data for after becoming, test being collected carry out recovering and analysis.Memorizer 32 in data storage, according to acquisition time and collection
Object carries out classification storage, such as, by the operating current of the air conditioning system for collecting in once test gatherer process and work electricity
Pressure is stored in a file, in order to user's searching data.Preferably, arrange between data processor 31 and memorizer 32
Format converter 33, and the format converter 33 is connected with data processor 31 and memorizer 32, and will be defeated for data processor 31
It is transported to after the data conversion format for going out in memorizer 32 and is stored.Such as, needing with excel to the status number that collects
During according to being processed, the form of the data that can export data processor 31 by format converter 33 is converted to the form of xls
Stored again afterwards, so, using different software, the electric automobile electricity adnexa performance test acquisition system can be collected
Data are analyzed or process.Preferably, the network interface of connected with network cable is provided with control module 3, and so, user can pass through net
Network carries out remotely control to control module 3, so as to realize remotely controlling electric automobile electricity adnexa performance test acquisition system
System, while the data that the achievable status data collected by electric automobile electricity adnexa performance test acquisition system and process are obtained
Information carries out remote backup and management.Preferably, the USB interface of multiple data transfers is provided with control module 3, is so believed
Mouse and keyboard in breath input equipment 22 can be connected with control module 3 by a USB interface respectively, easy to connect, while
The External memory equipment of backup or data storage can also be connected to by USB interface.Preferably, arrange in control module 3
There is the USB interface of connection display device 21, be directly connected to control module 3 in order to display device 21, so as to avoid showing
Data distortion.
Power supply 4 is DC source from DC-DC power source, is provided with and data acquisition module 1 and control in the DC-DC power source
The power supply interface that module 3 connects, and the DC-DC power source can be according to data acquisition module 1 and the output of 3 running voltage of control module
Corresponding voltage, such as 5V, 12V and 24V.So, electric automobile electricity adnexa performance test acquisition system need to only arrange one
Power supply 4 can meet the supply voltage demand of disparate modules, easy to use.Certainly, power supply 4 can also select vehicle-mounted low tension
Source.
Below, to using above-mentioned electric automobile electricity adnexa performance test acquisition system to electric automobile electricity adnexa performance test
Acquisition method is described in detail.
The electric automobile electricity adnexa performance test acquisition method comprises the steps：
S1：In data acquisition module, different types of sensor is connected with the data collecting card of respective type, and will sensing
Device needs installation to be fixed on electricity adnexa to be tested according to test.Sensor includes that current sensor, voltage sensor, speed are passed
Sensor, rotary angle transmitter and temperature sensor, wherein, current sensor is connected with current acquisition card by data line, electricity
Pressure sensor is opened with voltage acquisition by data line and is connected, and velocity sensor is by data line with speed acquisition card even
Connect, rotary angle transmitter is connected with corner capture card by data line, and temperature sensor is adopted with temperature by data line
Truck connects.
S2：Drift demarcation is carried out to current sensor, voltage sensor, velocity sensor and rotary angle transmitter, to temperature
Sensor measures value correction, to complete the correction work of sensor.Wherein, drift is demarcated and is referred to before test is started, will
Sensor is vacantly tested and the current reading of the sensor is labeled as zero.Measure value correction to refer to temperature sensor
Temperature sensor is placed on a period of time in the environment of a known temperature that accurately can determine, C.T sensor is exported
Temperature value whether consistent with ambient temperature, and calculate measurement error as the correction value of the temperature sensor to its measured value
It is modified.
S3：Control command is input into in control module by human-computer interaction module, and control module is according to the control for receiving
System order sends control instruction to data acquisition module, and the sensor in data acquisition module gathers to be tested according to control instruction
The status data for collecting simultaneously is converted into the status data signal of telecommunication by the status data of electric adnexa, the data in data acquisition module
Capture card acquisition state datagram number is transported to the status data signal of telecommunication in control module from sensor.It is preferred that
Ground, data acquisition module carries out Real-time Collection to the status data of electricity adnexa to be tested, to carry during electric automobile during traveling
The accuracy of high statistical analysiss.Preferably, the driving cycle of electric automobile can according to test needs be configured, in order to
The status data of the electric adnexa of the electric automobile of different driving cycle downward drivings is acquired.
S4：Control module is processed to the status data that data acquisition module is collected and is stored.Preferably, control mould
Block is processed to the status data that data acquisition module is collected by data processor, and by format converter to data
The form of the data storage file of processor output is changed.So, user can be utilized according to follow-up Treatment Analysis needs
The form of the data storage file that data processor is exported by format converter is converted into the form of Treatment Analysis needs, such as turns
Change excel form document into, in order to subsequently point post analysis use, convenient and practical.
Claims (10)
1. a kind of electric automobile electricity adnexa performance test acquisition system, it is characterised in that the test acquisition system includes that data are adopted
Collection module, human-computer interaction module, control module and power supply；
The data acquisition module is connected with the control module, and the data acquisition module is sent according to the control module
Control instruction gathers the status data of the electric automobile electricity adnexa and by the status data transfers in the control module；
The human-computer interaction module includes display device and the message input device being connected with the control module, the display dress
Put for showing that status data that the data collecting module collected arrives and the status data processed through the control module
The data message of formation, described information input equipment is used for being input into control command to the control module；
The control module includes data processor and memorizer, and the data processor is input into according to the human-computer interaction module
Control command complete data processing work or send control instruction, the memorizer is used for storing the status data and described
The data message that data processor processes are formed；
The power supply is that the data acquisition module, the control module and the human-computer interaction module are powered.
2. electric automobile according to claim 1 electricity adnexa performance test acquisition system, it is characterised in that the data are adopted
Collection module includes sensor data capture card, and the sensor is fixed on electricity adnexa to be tested and is passed by data
Defeated line is connected with the data collecting card, the status data of electricity adnexa to be measured described in the sensor acquisition by the status data
The status data signal of telecommunication is converted into, the data collecting card is connected with the control module and sends according to the control module
Control instruction gathers the status data signal of telecommunication and by the status data electric signal transmission to the control from the sensor
In molding block.
3. electric automobile according to claim 2 electricity adnexa performance test acquisition system, it is characterised in that the sensor
Including current sensor, voltage sensor, velocity sensor, rotary angle transmitter and temperature sensor.
4. the electric adnexa performance test acquisition system of electric automobile according to any one in claim 1-3, its feature exists
In the control module includes format converter, and the format converter is connected with the data processor and the memorizer, uses
Form in the data storage file for changing the data processor output.
5. electric automobile according to claim 4 electricity adnexa performance test acquisition system, it is characterised in that the control mould
Network interface, USB interface and USB interface is provided with block.
6. the electric adnexa performance test acquisition system of electric automobile according to any one in claim 1-3, its feature exists
In the display device can be shown by multiple windows.
7. the electric adnexa performance test acquisition system of electric automobile according to any one in claim 1-3, its feature exists
In the power supply is DC-DC power source or vehicle-mounted low-tension supply.
8. a kind of electric automobile electricity adnexa performance test acquisition method, it is characterised in that the method comprises the steps：
S1：Data collecting card of the different types of sensor in data acquisition module by data line with respective type connects
Connect, and the sensor is needed installation to be fixed on electricity adnexa to be tested according to test；
S2：When the sensor is current sensor, voltage sensor, velocity sensor or rotary angle transmitter, to the biography
Sensor carries out drift demarcation；When the sensor is temperature sensor, value correction is measured to the sensor；
S3：Control command is input into in control module by human-computer interaction module, and control module according to the control command to
The data acquisition module sends control instruction, and the data acquisition module is according to control instruction collection electricity adnexa to be tested
Status data and the status data for collecting is transported in the control module；
S4：The control module to the data collecting module collected to status data processed and stored.
9. electric automobile according to claim 8 electricity adnexa performance test acquisition method, it is characterised in that in the step
In S3, the data acquisition module is carried out to the status data of the electricity adnexa to be tested during the electric automobile during traveling
Real-time Collection.
10. electric automobile according to claim 9 electricity adnexa performance test acquisition method, it is characterised in that in the step
In rapid S4, the control module by data processor to the data collecting module collected to status data process,
And by format converter, the form of the data storage file that the data processor is exported is changed.
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| CN107515123A (en) * | 2017-09-30 | 2017-12-26 | 南京越博动力系统股份有限公司 | A kind of pure electric automobile road test energy consumption measurement system and its analysis method |
| CN108195597A (en) * | 2017-12-28 | 2018-06-22 | 北京理工大学 | A kind of reconfigurable vehicle field dynamic Multi parameters Test Macro |
| CN109873843A (en) * | 2017-12-01 | 2019-06-11 | 郑州宇通客车股份有限公司 | A kind of new-energy automobile |
| 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 |
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