CN112857826A - Electric automobile drive test system based on 5G real-time transmission - Google Patents
Electric automobile drive test system based on 5G real-time transmission Download PDFInfo
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- CN112857826A CN112857826A CN202110028659.8A CN202110028659A CN112857826A CN 112857826 A CN112857826 A CN 112857826A CN 202110028659 A CN202110028659 A CN 202110028659A CN 112857826 A CN112857826 A CN 112857826A
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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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- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
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Abstract
The invention relates to an electric automobile driving test system based on 5G real-time transmission, which comprises the following components: the data acquisition unit is arranged on the vehicle and used for acquiring the running data of the vehicle in real time; the transmission unit is connected with the data acquisition unit and is used for transmitting the operating data; the control unit is connected with the transmission unit and used for generating a control signal according to the operation data; and the simulation unit is connected with the control unit and used for simulating the running condition of the vehicle according to the control signal. The influence of real working conditions and external factors on the driving system in the vehicle running process can be simulated through the cooperation of the data acquisition unit, the transmission unit, the control unit and the simulation unit, the accuracy of various test results for simulating the running conditions in the vehicle running process is improved, and the test efficiency is improved.
Description
Technical Field
The invention relates to the field of development and test of electric automobile driving systems, in particular to an electric automobile driving test system based on 5G real-time transmission.
Background
When a bench test is performed on an electric vehicle driving system, a constant speed, constant acceleration and constant deceleration test is generally performed, the working condition of the driving system is too ideal and has a large difference with the working condition of frequent speed change in practice, for example, a method for simulating the driving condition of an electric vehicle is disclosed in the patent 'an electric vehicle driving condition simulation test bed and simulation method (application number: 201811158135.5)' and only the working condition is divided into a constant speed working condition, a climbing working condition, an acceleration working condition, a deceleration working condition and a cycle working condition, so that the test result of a tested driving module has a large difference with the practice. The traditional drive system test bed has few test conditions, and the influence of various external factors on the tested drive module in the running process of a vehicle cannot be considered, so that the test result of the tested drive module is inconsistent with the real result.
Disclosure of Invention
The invention aims to provide a 5G real-time transmission-based electric vehicle driving test system which can simulate the real working condition of a vehicle in the driving process and the influence of external factors on the driving system, and improve the accuracy and the test efficiency of various test results for simulating the running condition of the vehicle in the driving process.
In order to achieve the purpose, the invention provides the following scheme:
the utility model provides an electric automobile drive test system based on 5G real-time transport, electric automobile drive test system based on 5G real-time transport includes:
the data acquisition unit is arranged on the vehicle and used for acquiring the running data of the vehicle in real time;
the transmission unit is connected with the data acquisition unit and is used for transmitting the operating data;
the control unit is connected with the transmission unit and used for generating a control signal according to the operation data;
and the simulation unit is connected with the control unit and used for simulating the running condition of the vehicle according to the control signal.
Optionally, the operation data comprises an actual output torque signal of the driving system and an actual rotating speed signal of a left wheel;
the data acquisition unit includes:
the vehicle signal collector is respectively connected with the transmission unit and a vehicle controller of the vehicle and is used for collecting an actual output torque signal of a driving system of the vehicle and an actual rotating speed signal of a left wheel and sending the actual output torque signal of the driving system and the actual rotating speed signal of the left wheel to the transmission unit; the control unit generates an actual load torque control signal of the left wheel according to the actual output torque signal of the driving system and the actual rotating speed signal of the left wheel;
the analog unit includes:
and the first loading motor is connected with the control unit and is used for outputting corresponding torque according to the actual load torque control signal of the left wheel.
Optionally, the operation data further comprises a right wheel actual rotating speed signal;
the whole vehicle signal collector is also used for collecting the actual rotating speed signal of the right wheel of the vehicle and sending the actual rotating speed signal of the right wheel to the transmission unit; the control unit generates a right wheel actual load torque control signal according to the drive system actual output torque signal and the right wheel actual rotating speed signal;
the analog unit further includes:
and the second loading motor is connected with the control unit and is used for outputting corresponding torque according to the actual load torque control signal of the right wheel.
Optionally, the operational data further comprises a target drive torque signal;
the whole vehicle signal collector is also used for collecting a target driving torque signal of a vehicle and sending the target driving torque signal to the transmission unit; the control unit generates a driving torque control signal according to the target driving torque signal;
the analog unit further includes:
and the tested driving module is connected with the control unit and used for simulating the running condition of an actual driving system according to the driving torque control signal.
Optionally, the driving module under test includes:
the driving motor controller is connected with the control unit and used for generating a motor control instruction according to the driving torque control signal;
the driving motor is connected with the driving motor controller and used for outputting a target driving torque according to the motor control instruction;
and the transmission mechanism is respectively connected with the driving motor, the first loading motor and the second loading motor and is used for transmitting the target driving torque to the first loading motor and the second loading motor.
Optionally, the operation data further includes a battery voltage signal and a battery internal resistance signal;
the whole vehicle signal collector is also used for collecting a battery voltage signal and a battery internal resistance signal of a vehicle and sending the battery voltage signal and the battery internal resistance signal to the transmission unit; the control unit generates a voltage control signal according to the battery voltage signal and generates a battery internal resistance control signal according to the battery internal resistance signal;
the analog unit further includes:
and the controllable power supply is connected with the control unit and used for outputting a corresponding power supply according to the voltage control signal and the battery internal resistance control signal to simulate the running condition of an actual battery.
Optionally, the operation data further comprises a left tire vertical direction displacement signal;
the data acquisition unit further comprises:
the left tire vertical direction displacement signal collector is arranged on a left tire of the vehicle, is connected with the transmission unit, and is used for collecting a left tire vertical direction displacement signal of the vehicle and sending the left tire vertical direction displacement signal to the transmission unit; the control unit generates a left tire displacement control signal according to the left tire vertical direction displacement signal;
the analog unit includes:
the first vertical direction displacement generator is connected with the control unit and used for generating corresponding vertical direction displacement according to the left tire displacement control signal; the first loading motor is fixed on the first vertical direction displacement generator.
Optionally, the operation data further comprises a right tire vertical direction displacement signal;
the data acquisition unit further comprises:
the right tire vertical direction displacement signal collector is arranged on a right tire of the vehicle, is connected with the transmission unit, and is used for collecting a right tire vertical direction displacement signal of the vehicle and sending the right tire vertical direction displacement signal to the transmission unit; the control unit generates a right tire displacement control signal according to the right tire vertical direction displacement signal;
the analog unit further includes:
the second vertical direction displacement generator is connected with the control unit and used for generating corresponding vertical direction displacement according to the right tire displacement control signal; and the second loading motor is fixed on the second vertical direction displacement generator.
Optionally, the operational data further comprises a drive axle vibration signal;
the data acquisition unit further comprises:
the drive axle vibration signal collector is arranged on a drive axle of a vehicle, is connected with the transmission unit, and is used for collecting the drive axle vibration signal of the vehicle and sending the drive axle vibration signal to the transmission unit; the control unit generates a vertical vibration control signal according to the drive axle vibration signal;
the analog unit further includes:
the vertical direction vibration generator is connected with the control unit and used for generating corresponding vertical direction vibration according to the vertical direction vibration control signal; the tested driving module is fixed on the vertical direction vibration generator.
Optionally, the transmission unit includes:
the 5G signal transmitter is connected with the data acquisition unit and used for transmitting the operating data;
and the 5G signal receiver is respectively connected with the 5G signal transmitter and the control unit and is used for receiving the operation data and transmitting the operation data to the control unit.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects: the invention collects various running data of the vehicle in real time through the data collection unit, sends the running data to the control unit through the transmission unit, and the control unit generates corresponding control signals according to the various running data of the vehicle, so as to control the simulation unit to simulate the actual running condition of the vehicle, thereby simulating the influence of the real working condition and external factors on the driving system in the running process of the vehicle, and improving the accuracy and the testing efficiency of various test results for simulating the running condition in the running process of the vehicle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic block structure diagram of a 5G real-time transmission-based electric vehicle drive test system according to the present invention;
FIG. 2 is a schematic diagram of the internal structure of the analog unit;
fig. 3 is a schematic diagram of the internal structure of the data acquisition unit.
Description of the symbols:
1-a data acquisition unit, 11-a whole vehicle signal collector, 12-a left side tire vertical direction displacement signal collector, 13-a right side tire vertical direction displacement signal collector, 14-a drive axle vibration signal collector, 2-a transmission unit, 21-5G signal transmitter, 22-5G signal receiver, 3-a control unit, 4-an analog unit, 41-a first loading motor, 42-a second loading motor, 43-a tested drive module, 431-a drive motor controller, 432-a drive motor, 433-a transmission mechanism, 44-a controllable power supply, 45-a first vertical direction displacement generator, 46-a second vertical direction displacement generator, 47-a vertical direction vibration generator and 5-a whole vehicle controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a 5G real-time transmission-based electric vehicle driving test system, which is characterized in that various running data of a vehicle are collected in real time through a data collection unit, the running data are sent to a control unit through a transmission unit, the control unit generates corresponding control signals according to the various running data of the vehicle, and then the control unit controls a simulation unit to simulate the actual running condition of the vehicle, so that the influence of the actual working condition and external factors on a driving system in the running process of the vehicle can be simulated, and the accuracy and the test efficiency of various test results for simulating the running condition in the running process of the vehicle are further improved.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1, the electric vehicle driving test system based on 5G real-time transmission of the present invention includes: data acquisition unit 1, transmission unit 2, control unit 3 and analog unit 4.
Specifically, the data acquisition unit 1 is installed on a vehicle, and the data acquisition unit 1 is used for acquiring the running data of the vehicle in real time.
The transmission unit 2 is connected with the data acquisition unit 1, and the transmission unit 2 is used for transmitting the operation data.
The control unit 3 is connected with the transmission unit 2, and the control unit 3 is used for generating a control signal according to the operation data.
The simulation unit 4 is connected with the control unit 3, and the simulation unit 4 is used for simulating the running condition of the vehicle according to the control signal.
Further, the operational data includes an actual output torque signal of the drive system and an actual rotational speed signal of the left wheel.
As shown in fig. 2 and 3, the data acquisition unit 1 includes a vehicle signal collector 11. Specifically, the vehicle signal collector 11 is respectively connected to the transmission unit 2 and the vehicle controller 5 of the vehicle, and the vehicle signal collector 11 is configured to collect an actual output torque signal of a driving system of the vehicle and an actual rotation speed signal of a left wheel, and send the actual output torque signal of the driving system and the actual rotation speed signal of the left wheel to the transmission unit 2; and the control unit 3 generates a left wheel actual load torque control signal according to the drive system actual output torque signal and the left wheel actual rotating speed signal.
The simulation unit 4 comprises a first loading motor 41. Specifically, the first loading motor 41 is connected to the control unit 3, and the first loading motor 41 is configured to output a corresponding torque according to the left wheel actual load torque control signal.
Further, the operation data further comprises a left tire vertical direction displacement signal.
The data acquisition unit 1 further comprises a left tire vertical direction displacement signal collector 12. Specifically, the left tire vertical direction displacement signal collector 12 is installed on a left tire of a vehicle, the left tire vertical direction displacement signal collector 12 is connected with the transmission unit 2, and the left tire vertical direction displacement signal collector 12 is used for collecting a left tire vertical direction displacement signal of the vehicle and sending the left tire vertical direction displacement signal to the transmission unit 2; the control unit 3 generates a left tire displacement control signal according to the left tire vertical direction displacement signal.
The simulation unit 4 further comprises a first vertical displacement generator 45. Specifically, the first vertical displacement generator 45 is connected to the control unit 3, and the first vertical displacement generator 45 is configured to generate a corresponding vertical displacement according to the left tire displacement control signal; the first loading motor 41 is fixed to the first vertical direction displacement generator 45.
Further, the operation data further comprises an actual rotating speed signal of the right wheel.
The whole vehicle signal collector 11 is also used for collecting the actual rotating speed signal of the right wheel of the vehicle and sending the actual rotating speed signal of the right wheel to the transmission unit 2; and the control unit 3 generates a right wheel actual load torque control signal according to the drive system actual output torque signal and the right wheel actual rotating speed signal.
The simulation unit 4 further comprises a second loading motor 42. Specifically, the second loading motor 42 is connected to the control unit 3, and the second loading motor 42 is configured to output a corresponding torque according to the right wheel actual load torque control signal.
Further, the operation data further comprises a right tire vertical direction displacement signal.
The data acquisition unit 1 further comprises a displacement signal collector in the vertical direction of the right tire. Specifically, the right tire vertical direction displacement signal collector is mounted on a right tire of a vehicle, the right tire vertical direction displacement signal collector is connected with the transmission unit 2, and the right tire vertical direction displacement signal collector is used for collecting a right tire vertical direction displacement signal of the vehicle and sending the right tire vertical direction displacement signal to the transmission unit 2; the control unit 3 generates a right tire displacement control signal according to the right tire vertical direction displacement signal.
The simulation unit 4 further comprises a second vertical direction displacement generator 46. Specifically, the second vertical displacement generator 46 is connected to the control unit 3, and the second vertical displacement generator 46 is configured to generate a corresponding vertical displacement according to the right tire displacement control signal; the second loading motor 42 is fixed to the second vertical direction displacement generator 46.
Further, the operational data also includes a target drive torque signal. The whole vehicle signal collector 11 is also used for collecting a target driving torque signal of a vehicle and sending the target driving torque signal to the transmission unit 2; the control unit 3 generates a driving torque control signal according to the target driving torque signal;
the simulation unit 4 further comprises a drive module under test 43. Specifically, the tested driving module 43 is connected to the control unit 3, and the tested driving module 43 is configured to simulate an operation condition of an actual driving system according to the driving torque control signal.
Specifically, the driving module 43 to be tested includes: a drive motor controller 431, a drive motor 432, and a transmission 433.
Wherein, the driving motor controller 431 is connected with the control unit 3, and the driving motor controller 431 is used for generating a motor control instruction according to the driving torque control signal.
The driving motor 432 is connected to the driving motor controller 431, and the driving motor 432 is configured to output a target driving torque according to the motor control command.
The transmission mechanism 433 is connected to the driving motor 432, the first loading motor 41, and the second loading motor 42, respectively, and the transmission mechanism 433 is configured to transmit a target driving torque to the first loading motor 41 and the second loading motor 42.
Further, the operation data further comprises a drive axle vibration signal.
The data acquisition unit 1 further comprises a drive axle vibration signal collector 14. Specifically, transaxle vibration signal collector 14 installs on the transaxle of vehicle, transaxle vibration signal collector 14 with transmission unit 2 is connected, transaxle vibration signal collector 14 is used for gathering the transaxle vibration signal of vehicle, and will transaxle vibration signal send to transmission unit 2. The control unit 3 generates a vertical direction vibration control signal according to the drive axle vibration signal.
The simulation unit 4 further comprises a vertical direction vibration generator 47. Specifically, the vertical direction vibration generator 47 is connected to the control unit 3, and the vertical direction vibration generator 47 is configured to generate a corresponding vertical direction vibration according to the vertical direction vibration control signal; the measured driving module 43 is fixed to the vertical direction vibration generator 47.
Further, the operation data further comprises a battery voltage signal and a battery internal resistance signal.
The whole vehicle signal collector 11 is further configured to collect a battery voltage signal and a battery internal resistance signal of a vehicle, and send the battery voltage signal and the battery internal resistance signal to the transmission unit 2; the control unit 3 generates a voltage control signal according to the battery voltage signal and generates a battery internal resistance control signal according to the battery internal resistance signal.
The analog unit 4 further comprises a controllable power supply 44. Specifically, the controllable power supply 44 is connected to the control unit 3, and the controllable power supply 44 is configured to output a corresponding power supply according to the voltage control signal and the battery internal resistance control signal, so as to simulate an actual battery operation condition.
Preferably, the transmission unit 2 includes: a 5G signal transmitter 21 and a 5G signal receiver 22.
Specifically, the 5G signal transmitter 21 is connected to the data acquisition unit 1, and the 5G signal transmitter 21 is configured to transmit the operation data.
The 5G signal receiver 22 is connected to the 5G signal transmitter 21 and the control unit 3, respectively, and the 5G signal receiver 22 is configured to receive the operation data and transmit the operation data to the control unit 3.
Further, the simulation unit 4 further includes a gimbal. Specifically, the first loading motor 41 is connected with the tested driving module 43 through the universal joint; the second loading motor 42 is connected with the tested driving module 43 through the universal joint.
Preferably, the whole vehicle signal collector 11 is multiple, the whole vehicle signal collector 11 is respectively installed on a plurality of electric vehicles, and different collected electric vehicles are in different provinces of China.
In addition, the whole vehicle signal collector 11 is also used for collecting a GPS signal of the vehicle; the control unit 3 is further configured to determine, according to the GPS signal, an urban condition, a suburban condition, or a high-speed condition where the vehicle is located. At the beginning of the test, the working condition to be tested of the tested driving system is selected, and one of a plurality of vehicles at different geographic positions corresponding to the working condition is selected.
The test process of the electric automobile drive test system based on 5G real-time transmission comprises the following steps:
step one, collecting a GPS signal, a battery voltage signal, a battery internal resistance signal, a target driving torque signal, a driving system actual output torque signal and a left and right wheel actual rotating speed signal of a vehicle in a vehicle controller 5 through a vehicle signal collector 11;
drive axle vibration signal collection is realized through drive axle vibration signal collector 14, the vertical direction displacement signal collection of left side tire is realized through the vertical direction displacement signal of left side tire, the vertical direction displacement signal collection of right side tire is realized through the vertical direction displacement signal of right side tire.
And step two, transmitting the operation data to the 5G signal receiver 22 by using the 5G signal transmitter 21.
And step three, the control unit 3 decodes the signals in the 5G signal receiver 22.
And step four, the control unit 3 judges the urban working condition, suburban working condition or high-speed working condition of the vehicle according to the GPS signal.
And step five, selecting the working condition of the tested driving system to be tested, and selecting one of the vehicles in different geographical positions under the corresponding working condition.
And step six, the control unit 3 takes the target driving torque signal received in the 5G signal receiver 22 as a target torque signal of the driving motor controller 431, and the driving motor controller 431 controls the driving motor 432 to realize torque output so as to simulate the actual driving system running condition.
And step seven, the control unit 3 takes the battery voltage signal as a target output signal of the controllable power supply 44, and the control unit 3 takes the battery internal resistance signal as a target simulation internal resistance signal of the controllable power supply 44 so as to simulate the actual battery running condition.
Step eight, the control unit 3 calculates the actual load torque of the left wheel according to the actual rotating speed signal of the left wheel and the actual output torque signal of the driving system, and takes the actual load torque of the left wheel as the target output torque of the first loading motor 41; the control unit 3 calculates the actual load torque of the right wheel based on the actual rotation speed signal of the right wheel and the actual output torque signal of the drive system, and uses the actual load torque of the right wheel as the target output torque of the second loading motor 42 to simulate the actual load torques of the left and right wheels.
The control unit 3 controls the driving motor controller 431 to control the driving motor 432 to move, the driving motor 432 is connected with the transmission mechanism 433, the actual driving force of the system is transmitted to the first loading motor 41 and the second loading motor 42 through the transmission mechanism 433, the output end of the transmission mechanism 433 is respectively connected with the output ends of the first loading motor 41 and the second loading motor 42 through universal joints, the control unit 3 directly controls the first loading motor 41 and the second loading motor 42 to simulate the actual wheel load torque, and when the actual driving force of the system is greater than the loading motor load, the automobile advancing scene is simulated. The first loading motor 41 and the second loading motor 42 are respectively fixed on the space of the first vertical direction displacement generator and the second vertical direction displacement generator through bolts, and are fully contacted with the first vertical direction displacement generator and the second vertical direction displacement generator.
Step nine, the control unit 3 takes the drive axle vibration signal collected by the drive axle vibration signal collector 14 as a target vibration value of the vertical direction vibration generator 47, takes the left side tire vertical direction displacement signal as a target displacement value of the first vertical direction displacement generator 45, takes the right side tire vertical direction displacement signal as a target displacement value of the second vertical direction displacement generator 46, and the first and second vertical direction displacement generators 46 are directly connected with the control unit 3 to simulate the influence of the wheel drive axle vibration and the vertical direction displacement of the tires on two sides on the drive system through the detected target value.
And step ten, if the fact that the stop operation time of the current vehicle is higher than a set value is monitored, the signal acquisition device of the vehicle stops operating, and the signal acquisition devices of other vehicles under the same working condition start operating. Thus ensuring data consistency for some experiments.
By the method, the performance of the driving system is tested in real time according to the actual running working condition of the vehicle, the actual running information of the vehicle is obtained according to the acquisition by considering the influences of the instantaneous working condition, the vibration of the drive axle and the displacement of the tire, the tests such as the dynamic test, the NVH test, the service life test and the like of the tested driving module are realized, the accuracy of the test result of the driving system is improved, the labor cost is reduced, and the test efficiency is improved. The electric vehicle driving test system based on 5G real-time transmission can accurately simulate the real working condition of an electric vehicle and the influence of external factors on a driving system, meet the test requirements of various electric vehicle driving systems, drive the tested driving system in real time according to the real driving condition of the electric vehicle, simulate the influence of wheel displacement and drive axle vibration on the tested driving system in the driving process of the vehicle, and improve the accuracy of various test results of the driving system.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. The utility model provides an electric automobile drive test system based on 5G real-time transport which characterized in that, electric automobile drive test system based on 5G real-time transport includes:
the data acquisition unit is arranged on the vehicle and used for acquiring the running data of the vehicle in real time;
the transmission unit is connected with the data acquisition unit and is used for transmitting the operating data;
the control unit is connected with the transmission unit and used for generating a control signal according to the operation data;
and the simulation unit is connected with the control unit and used for simulating the running condition of the vehicle according to the control signal.
2. The electric vehicle driving test system based on 5G real-time transmission is characterized in that the operation data comprises an actual output torque signal of a driving system and an actual rotating speed signal of a left wheel;
the data acquisition unit includes:
the vehicle signal collector is respectively connected with the transmission unit and a vehicle controller of the vehicle and is used for collecting an actual output torque signal of a driving system of the vehicle and an actual rotating speed signal of a left wheel and sending the actual output torque signal of the driving system and the actual rotating speed signal of the left wheel to the transmission unit; the control unit generates an actual load torque control signal of the left wheel according to the actual output torque signal of the driving system and the actual rotating speed signal of the left wheel;
the analog unit includes:
and the first loading motor is connected with the control unit and is used for outputting corresponding torque according to the actual load torque control signal of the left wheel.
3. The electric vehicle driving test system based on 5G real-time transmission of claim 2, wherein the operation data further comprises a right wheel actual rotating speed signal;
the whole vehicle signal collector is also used for collecting the actual rotating speed signal of the right wheel of the vehicle and sending the actual rotating speed signal of the right wheel to the transmission unit; the control unit generates a right wheel actual load torque control signal according to the drive system actual output torque signal and the right wheel actual rotating speed signal;
the analog unit further includes:
and the second loading motor is connected with the control unit and is used for outputting corresponding torque according to the actual load torque control signal of the right wheel.
4. The electric vehicle driving test system based on 5G real-time transmission according to claim 3, wherein the operation data further comprises a target driving torque signal;
the whole vehicle signal collector is also used for collecting a target driving torque signal of a vehicle and sending the target driving torque signal to the transmission unit; the control unit generates a driving torque control signal according to the target driving torque signal;
the analog unit further includes:
and the tested driving module is connected with the control unit and used for simulating the running condition of an actual driving system according to the driving torque control signal.
5. The electric vehicle driving test system based on 5G real-time transmission of claim 4, wherein the tested driving module comprises:
the driving motor controller is connected with the control unit and used for generating a motor control instruction according to the driving torque control signal;
the driving motor is connected with the driving motor controller and used for outputting a target driving torque according to the motor control instruction;
and the transmission mechanism is respectively connected with the driving motor, the first loading motor and the second loading motor and is used for transmitting the target driving torque to the first loading motor and the second loading motor.
6. The electric vehicle driving test system based on 5G real-time transmission of claim 2, wherein the operation data further comprises a battery voltage signal and a battery internal resistance signal;
the whole vehicle signal collector is also used for collecting a battery voltage signal and a battery internal resistance signal of a vehicle and sending the battery voltage signal and the battery internal resistance signal to the transmission unit; the control unit generates a voltage control signal according to the battery voltage signal and generates a battery internal resistance control signal according to the battery internal resistance signal;
the analog unit further includes:
and the controllable power supply is connected with the control unit and used for outputting a corresponding power supply according to the voltage control signal and the battery internal resistance control signal to simulate the running condition of an actual battery.
7. The electric vehicle driving test system based on 5G real-time transmission of claim 2, wherein the running data further comprises a left tire vertical direction displacement signal;
the data acquisition unit further comprises:
the left tire vertical direction displacement signal collector is arranged on a left tire of the vehicle, is connected with the transmission unit, and is used for collecting a left tire vertical direction displacement signal of the vehicle and sending the left tire vertical direction displacement signal to the transmission unit; the control unit generates a left tire displacement control signal according to the left tire vertical direction displacement signal;
the analog unit includes:
the first vertical direction displacement generator is connected with the control unit and used for generating corresponding vertical direction displacement according to the left tire displacement control signal; the first loading motor is fixed on the first vertical direction displacement generator.
8. The electric vehicle driving test system based on 5G real-time transmission of claim 3, wherein the running data further comprises a right tire vertical direction displacement signal;
the data acquisition unit further comprises:
the right tire vertical direction displacement signal collector is arranged on a right tire of the vehicle, is connected with the transmission unit, and is used for collecting a right tire vertical direction displacement signal of the vehicle and sending the right tire vertical direction displacement signal to the transmission unit; the control unit generates a right tire displacement control signal according to the right tire vertical direction displacement signal;
the analog unit further includes:
the second vertical direction displacement generator is connected with the control unit and used for generating corresponding vertical direction displacement according to the right tire displacement control signal; and the second loading motor is fixed on the second vertical direction displacement generator.
9. The electric vehicle driving test system based on 5G real-time transmission according to claim 4, wherein the operation data further comprises a drive axle vibration signal;
the data acquisition unit further comprises:
the drive axle vibration signal collector is arranged on a drive axle of a vehicle, is connected with the transmission unit, and is used for collecting the drive axle vibration signal of the vehicle and sending the drive axle vibration signal to the transmission unit; the control unit generates a vertical vibration control signal according to the drive axle vibration signal;
the analog unit further includes:
the vertical direction vibration generator is connected with the control unit and used for generating corresponding vertical direction vibration according to the vertical direction vibration control signal; the tested driving module is fixed on the vertical direction vibration generator.
10. The electric vehicle driving test system based on 5G real-time transmission according to claim 1, wherein the transmission unit comprises:
the 5G signal transmitter is connected with the data acquisition unit and used for transmitting the operating data;
and the 5G signal receiver is respectively connected with the 5G signal transmitter and the control unit and is used for receiving the operation data and transmitting the operation data to the control unit.
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