LU501345B1 - New energy vehicle function fault-tolerant test device and testing method - Google Patents

Abstract

This invention relates to new energy vehicle function fault-tolerant test device and test method. The functional fault-tolerant test device adopts the vehicle controller CAN bus, resolver, current sensor, voltmeter, displacement sensor, hydraulic sensor and data acquisition module to synchronously collect crucial ignition state current, voltage, displacement and pressure and other key signals and the like, and it uploads the signal to the host computer for display and processing, which can comprehensively monitor the functional fault tolerance status of the new energy vehicle, and then use it for the functional fault tolerance test and research and development verification of the new energy vehicle.

Description

Description 10501365 New energy vehicle function fault-tolerant test device and testing method Technical Heid This invention relates to the field of new energy vehicle, particularly relates to new energy vehicle function fault-tolerant test device and test method.

Background With the increasing level of elecirification of new energy vehicles, the function realization is becoming mors and more simple, However, due to users’ different understanding of vehicle functions, Various misoperation will oceur in the process of function realization, and some misoperation will seriously damage vehicles and even threaten the safely of men and vehicles. Therefore, the research on vehicle function fault toigrance has become one of the focuses of enterprise research and development verification, At present, the test of functional fault tolerance only stays in the external function realization of the vehicle, and there is no effective test for the internal control process for misoperation, Therefore, a comprehensive test device and testing method for functional fault tolerance of new energy vehicles is needed, which can comprehensively test the functional fault toilsrance of the vehicle in combination with the vehicle control process, and provide technical support for enterprise research and development verification, in view of this, the present invention is proposed.

Summary This invention provides a function fault-tolerant test device and testing method, in order to solve the problem exists in the prior art that the functional fault tolerance of new anergy vehicles can not be comprehensively and effectively tested.

in order to achieve the above purpose, this invention provides technical solution as follows: First, this invention provides a new energy vehicle function fault-tolerant test device that comprises vehicle controller CAN bus, resolver, current sensor, volimeter, displacement sensor, hydraulic sensor, data acquisition module and host computer,

The resolver is respectively connected with the vehicle controller CAN bus and Ha 940 data acquisition module, and is used for acquiring and resolving signals on the vehicle controiler CAN bus, and then cutputiing the resolved signals to the data acquisition module, The resolver accesses the whole vehicle controller to acquire the signals on vehicle controller CAN bus by simulating the data acquired by the vehicle diagnostic instrument, then, compared the obiained signals with the signals on vehicle controller CAN bus acquired by the vehicle diagnostic instrument to determine the analvtic coefficient and offset, and the analytic signal is obtained through calculation: The data acquisition module is also connected with the current sensor, volimeter, displacement sensor and hydraulic sensor respectively 10 acquire signals measured by the current sensor, voltmeter, displacement sensor and hydraulic sensor, The data acquisition module is also connected with the host computer, and the data acquisition module is used for uploading the collected data to the host computer, and the host computer is used for displaying and processing the received data: As further improvement of the invention, the vehicle controller CAN bus includes the following signals: starting state, vehicle speed, accelerator pedal opening, brake pedai opening, Gear, Motor speed, torque, battery voltage, battery SOC and battery temperature.

ès further improvement of the invention, the data acquisition module is provided with CAN interface, current interface, voltage interface and analog interface in parallel.

Preferably, the current sensor is arranged at that output cable of the power battery, and itis used for collecting the current signal of the power battery, and connected with the current interface.

Frefarably, the voltmeter is arranged at the output cable of the power battery, and itis used for collecting the voltage signal of the power battery, and connected with the voltage interface, Prefsrably, the hydraulic sensor is arranged at the brake wheel cylinder | and it used for collecting brake hydraulic pressure of the brake wheel cylinder, and connected with the analog interface, Preferably, the host computer is arranged on the back seat of the vehicle.

Furthermore, this invention provides a tasting method of new energy vehicle function 995 fault-tolerant that uses the test device described above to test function fauit-lolsrant, which comprises the following steps: Step 1, according to the functions of new energy vehicles, make the layout schame of gach sensor and voltmeter, and make the test outiine Step 2, arranging each sensor and volimeter for data joint adjustment; Step 3, carving out the whole vehicle function fault-tolerant test according to the test outline; Step 4, review test data, if the dala is abnormal, stop the test and re-debug the test device until the test data review is normal; Step 5, if the test data is normal, performing functional fault tolerance analysis to analyze both vehicle functional fault tolerance and the control process of functional fault tolerance; Preferably, the test outline in S1 includes static test outline and dynamic test outline, wherein the static test culling includes power-on test outiine, power-off test outling, charge test outline, discharge test outline and shift lest outline under working conditions, the dynamic test outline includes starting test outling, shifting test outline, stopping on slope test outline and driving Mode switching test outline; Preferably, power-on test program includes. Press the POWER key only once 16 record the instrument status and collect data, Press the POWER key twice in a row to record the instrument status and collect data, Step on the brake pedal and press the POWER key synchronously to record the instrument status and collect dais, Frefarably, shift the vehicle gear into driving gear, neutral gear and parking gear, and press the POWER key io record the instrument status and collect data, tum on the vehicle electrical accessories, press the POWER key, record the instrument status and the electrical accessories status and collect data, before the vehicle is powered off, the driver leaves the main drivers seal, and records the instrument status and prompt sound, and oollects data.

Preferably, the described charging test outline includes: put the vehicle in P gear and press the parking key, handbrake or foot brake, plug in the charging gun to charge, record the charging status of the instrument and collect data, put the vehicle in P gear but don't press the parking key, handbrake or foot brake, plug in the charging gun to charge, record °° the charging status of the instrument and collect data, if the vehicle is not in P gear, plug in the charging gun to charge, record the charging status and prompt sound of the instrument, and collect data, in the process of charging the vehicle, step on the brake pedal and press the POWER key synchronously, record the instrument status and prompt sound, and collect data.

As further improvement of the invention, the dischargs test outline includes. the vehicle is in the power-off state, test whether the VZX function can be realized, record the charging state and prompt sound of the instrument, and collect data, the vehicle is In the starting state, and the P gear is not engaged, or the parking key, hand brake or foot brake are not pressed, so as to test whether the VZX function can be realized, record the charging state and prompt sound of the instrument, and collect data, while the vehicle is in the process of VEX function, pui the vehicle into driving gear, move the vehicle, test whether the VZ2X function can be maintained, record the charging state and prompt sound of the instrument, and collect data, when the vehicle is in extremely low power, test whether V2X function can Ge realized, record the charging state and prompt sound of the instrument, and collect dala.

Preferably, the shift test outline in the static test program includes: when the vehicle is not powered on, test whether the gear can be switched, record the instrument status and prompt tone, if it can be swilched, start the vehicle to observe whether the gear is automatically switched back to FP, record the instrument status and prompt tone, and collact data.

Preferably, the starting test outline If the vehicle is not in READY status, whether it can be put into driving gear or started, record the instrument status and promet sound, and collect data, after the vehicle is in READY status, it can be directly put into driving gear without stepping on the Drake, Hit can be started after being put into gear, record the instrument status and prompt sound and collect data, after the vehicle is in READY status, do not close the door or trunk door, test whether il can start, record the instrument status and prompt sound, and collect data.

Preferably, the vehicle driving mode switching test outline includes: when the vehicle is running at low speed, medium and low speed, test whether the Normal mode and other modes can be switched freely, record the instrument status and prompt sound, and collect data, other modes include ECO mode, sport mode or single pedal mode, and the verte 945 speed at low speed is Skm/h-20kmi/h, The medium and low speed vehicle speed is 20km/h-d0ker7/h, excluding 20km.

Preferably, stopping on slope test outline includes. the vehicle climbs uphill at Cresping speed, 10km/h speed and 20km/h speed respectively, after the vehicle body is completely on the siope, release the accelerator pedal, test whether the vehicle can park on the slope, record the instrument status and prompt sound, and collect data.

Compared with the prior art, the invention has the beneficial effects that The function fauli-tolerant testing device provided by the invention adopts the CAN bus vehicle controller, the resolver, the current sensor, the volimeter, the displacement sensor, the hydraulic sensor and the data acquisition module, synchronously collects key signals such as current, voltage, displacement, pressure, etc of the key ignition state of the vehicle controller and the executive component, and uploads the signals to the upper computer for display and processing, it can comprehensively monitor the function fauli-tolerant status of new energy vehicles, and then be further used for function fault-tolerant test and R&D verification of new energy vehicles.

Furthermore, the existing vehicle diagnostic apparatus CAN only acquire vehicle data from the outside, but it can't transmit the data to the data acquisition module, The invention creatively adopts the resolver to simulate the data acquisition mode of the vehicle diagnostic instrument, in order to acquire and analyze the signals on the CAN bus vehicle controller, and further output the analyzed signals to the dala acquisition module, which is convenient, fast and accurate.

The function fault-tolerant test method provided by the invention adopts the described test device io test first according to the functions of new energy vehicles, making the corresponding arrangement plan of each sensor and voltmeter, and making the test outiine, then the corresponding components are arranged and tested according to the arrangement plan and outline. After the test is carried out, the test dais will be reviewed first, and if there is any missing data, the test will be stopped, and the test device will be debugged again until the test data review is normal. If the test data review is normal, the functional fault toisrance analysis will be conducted, the vehicle functional fault tolsrance and the control process of functional fault inlerance will be analyzed. The test method has at least the same advantages as the above-mentioned fest device, can comprehensively monitor 1945 function fault-tolerant status of new energy vehicles and improve the reliability of the function fault-tolerant test of new energy vehicles.

Brief Description OF The Figures in order to mors clearly explain the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the Figures that need to be used in the description of the specific embodiments or the prior art Obviously, the Figures in the following description are some embodiments of the present invention, and for ordinary technicians in the field, other drawings can be obtained according to these drawings without creative efforts.

Figure 1 is schematic diagram of the structure of the new energy vehicle function fault-tolerant test device in Embodiment 1, Figure. 2 is a flow chart of a new energy vehicle function fault-tolerant test method ir embodiment 2.

Wherein, À- vehicle controller CAN bus; B- accelerator pedal C- brake pedal D- power battery: E- brake wheel cylinder, F- data acquisition module, G- host computer, P- hydraulic sensor, I current sensor, L- displacement sensor rhresoiver, U- volimeter.

Description of the present invention in order io make the purpose, technical scheme and advantages of the present invention clearer, the technical scheme of the present Invention will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in the field without making creative efforts are within the scope of the present invention.

in the description of the present invention, it should also be noted that the terms “installation” and “connection” should be understood broadly, for example, they can be fixed connection, detachable connection or integrated connection, and they Can be mechanicaiiy connected or electrically connected, they can be directiy connected, can also be indirectly connected through an intermediate medium, or can be the internal communication of two elements, For ordinary technicians in the field, the specific meaning 99 of the above terms in the present invention can be understood in specific situations.

Embodiment 1 As shown in Figure 1, New energy vehicle function fault-iclerant testing device is provided, which comprises a whole vehicle controller CAN bus À, resolver H, current sensor | voitmeter U, displacement sensor L, hydraulic sensor P, data acquisition module F and host computer G, the resolver H is connected with vehicle controller CAN bus and the data acquisition module F respectively, and the resciver H is used for acquiring and analyzing the signal on the vehicle controller CAN bus, and then oulputting the analyzed signal to the data acquisition module FF, the resolver accesses the whole vehicle controller to obtain the signals on vehicle controller CAN bus by simulating the data obtained by the vehicle diagnostic instrument, then, it is compared with the signal on vehicle controller CAN bus that is acquired by the vehicle diagnostic instrument to determing the analytic cosfficient and offset, and the analytic signal is obtained through calculation The data acquisition module F is also connected with the current sensor | the voitmeter U, the displacement sensor L and the hydraulic sensor P, respectively, to acquire the signals measured by the current sensor, the voltmeter, the displacement sensor and the hydraulic sensor.

The data acquisition module F is also connected with the upper computer ©. The data acquisition module F is used to upload the collected data to the host computer G The host computer Gis used to display the received data and process the received data, The above-mentioned functional fauit-lolerant testing device adopts vehicle controller CAN bus, resolver, current sensor, voltmeter, displacement sensor, hydraulic sensor and data acquisition module to synchronously collect key signals such as current, voltage, displacement and pressure of key ignition states of the vehicle controller, actuators, etc The signals are uploaded to the host computer for display and processing, which can comprehensively monitor the function fault-lolerant status of new energy vehicles, and then be used for function fauli-iclarant test and RED verification of new energy vehicles, Further, the existing vehicle diagnostic apparatus can only acquire vehicle data from the outside, but can't transrrit the data to the data acquisition module.

According to the invention, the resolver is creatively adopied to simulate the way hag 95 the vehicle diagnostic instrument acquires data to acquire and analyze the signals on vehicle controller CAN bus, and further output the analyzed signal ic the data acquisition module, which is convenient, fast and accurate.

in a preferred embodiment, the vehicle controller CAN bus includes the following signals: starting state, vehicle speed, accelerator pedal opening, brake pedal opening, gear, motor speed, torque, battery voltage, battery SOC and battery temperature.

in a preferred embodiment, the data acquisition module is provided with a CAN interface, a current interface and an analog interface in parallel. The above-mentioned “parallel setting’ refers to the parallelism of data transmission functions, and the functions of the interfaces are distinguished and there is no interference between them, instead of the parallelism between the Interfaces.

in a preferred embodiment, the current sensor (is arranged at the outout cable of the power battery D for collecting the current signal of the power battery D, and the current sensor is connected with the current interface.

Preferably, voltmeter U is arranged at the output cable of the power batiery D for collecting the voltage signal of the power battery D, and the voltmeter is connected with the voitage interface.

in preferred embodiment, the displacement sensor Lis arranged at the acceleraior pedal B and the brake pedal C for collecting the opening signals of the accelerator pedal and the brake pedal respectively, and the displacement sensor is connected with the analog interface.

In a preferred embodiment, the hydraulic sensor P is arranged at the brake whesi cylinder E for collecting the brake hydraulic pressure of the brake wheel cylinder E, and the hydraulic pressure sensor is connected with the analog interface, in a preferred embodiment, the upper computer is arranged on the rear seat Embodiment 2 As shown in Figure 2, a new energy vehicle function fault-tolerant test method is provided, and the function fault-tolerant test device is adopted to perform the function fauit-toisrant test, which comprises the following siens:

step 1, according to the functions of new energy vehicles, make the layout scheme of or each sensor and voltmeter, and make the test outine, step 2, arranging each sensor and voltmeter for data joint adjusiment, step 3, carrying out the whole vehicie function fault-tolerant test according to the test outing, step 4, review test data, if the date is abnormal, stop the test and re-debug the test device until the test data review is normal, step 5, if the test data is normal, performing functional fault tolerance analysis to analyze both vehicle functional fault tolerance and the control process of functional fault tolerance The new energy vehicle function fault tolerance test method adopis the testing device to test, first, according to the function of the new energy vehicle, making the layout plan of each sensor and voltmeter, and the test outline, then arranging the corresponding components and tasts according to the layout plan and outline.

After the test is carried out, the test data should be reviewed first, If the data is abnormal, the test should be stopped, and the test device should be debugged again until the test data review is normal If the test data review is normal, the functional fault icierance analysis should be conducted, the vehicle functional fault tolerance and the control process of functional fault tolerance should be analyzed, The test method has at least the same advantages as the above-mentioned test device, and can comprehensively monitor the function fault-tolerant status of new energy vehicles and improve the reliability of the function fault-tolerant test of new energy vehicles, Optionally, the layout plan in step 1 includes: determining the installation sequence of each sensor and voltmeter, avoiding positional interference between sensors or voltmeter of the same type, avoiding frequent disassembly and assembly of the same component, and formulating the routing direction of the output hamess of each sensor and voitmeter in the vehicle, Step 1 comprises the following steps. analyze the vehicle function and understand the high-voltage system architecture, analyze the feasibility of sensor arrangement such as current, displacement, pressure, etc, and make the arrangement plan and testing outline. The arrangement plan is to determine the installation sequence of sensors, avoid the position interference between ihe same sensors and the frequent disassembly 195 assembly of the same component, and work out the routing plan of sensor output hamess inthe vehicle, so that the sensors are orderly arranged al the corresponding positions, and the routing of the output harness is reasonable and regular.

in a preferred embodiment, the test outline in Step 1 includes a static test outline and a dynamic test outline, wherein the static test outline includes power-on test outline, power-off test outline, charge test outline, discherge test outling and shift test outline under working conditions, The dynamic test outline includes starting test outline, shifting test outline, parking test outline and driving mode switching test outline.

Optionally, in Step 2, each sensor and voltmeter are installed at the corresponding test position to ensure that they do not loosen or fall off, then use the data acquisition module to synchronously acquire the data of each sensor and voltmeter and the power CAN signal, in @ preferred embodiment, the power-on test program includes: Press the POWER key only once to record the instrument status and collect dala; Press the POWER key twice in a row to record the instrument status and collect data; Step on the brake pedal and press the POWER key synchronously to record the instrument status and collect data.

The above-mentioned POWER key refers to the vehicle start-stop key.

Preferably, the power-down test program includes: Shift the vehicle gear into driving gear, neutral gear and parking gear, and press the POWER key to record the instrument status and collect data, Turm on the vehicle electrical accessories, press the POWER key, record the instrument status and the electrical accessories status and colisct data, Before the vehicle is powered off, the driver leaves the main driver's seat, records the instrument status and prompt sound, and collects data.

The aboyve-mentioned driving gears include D gear and R gear, which can realize vehicie driving.

The neutral gear is N gear Park gear is F gear. Elecirical accessories for vehicles include air conditioners, lights and wipers.

Preferably, the charging test program includes: Put the vehicle in P gear and press Tg or parking key, handbrake or foot brake, plug in the charging gun to charge, record the charging state of the instrument and collect data.

Put the vehicle in P gear but dont press the parking key, handbrake or foot brake, plug in the charging gun to charge, record the charging state of the instrument and collect dats; if the vehicle is not In P gear, plug in the charging gun to charge, record the charging status and prompt sound of the instrument, and collect data; in the process of charging the vehicle, step on the brake pedal and press the POWER key synchronously, record the instrument status and prompt sound, and colisct data.

Preferably, the discharge test program includes: The vehicle is in the power-off state, test whether the V2X function can be realized, record the charging stale and prompt sound of the instrument, and collect data; The vehicle is in the starting state, and the P gear is not engaged, or the parking key, hand brake or foot brake are not pressed, so as to test whether the V2X function can be realized, record the charging state and prompt sound of the instrument, and collect data; While the vehicle is in the process of V2X function, put the vehicle into driving gear, move the vehicle, test whether the V2X function can be maintained, record the charging state and prompt sound of the instrument, and collect data; The vehicle is in extremely low power, test whether V2X function can be realized, record the charging state and prompt sound of the instrument, and collect data, The above discharge refers to the external discharge of vehicles with VEX {including Vel, V20 and V2V) function, The above-mentionsd extremely low power level means that the power battery power level is less than 5%, or the maximum vehicle spesd cannot reach 40kmih at this time.

Preferably, the shift test program includes: Whan the vehicle is not powered on, test whether the gear can be swilched, record the instrument status and prompt tone, if it can be switched, start the vehicle to observe whether the gear is automatically swiiched back to P, record the instrument status and prompt tone, and collect data, i the vehicles is not READY, test whether the gear can be switched, record the instrument status and prompt sound, and collect data;

After the vehicle is READY, whether the gear can be switched freely without stepping 9 on the brake pedal, record the instrument status and prompt sound, and collect data.

Preferably, the starting test outline includes: if the vehicle is not READY, whether it can be put into driving gear or started, record the instrument status and prompt sound, and collect data, After the vehicle is READY, it can be directly put into driving gear without stepping on the brake. If it can be started after being put into gear, record the instrument status and prompt sound and collect data; After the vehicle is READY, do not close the door or trunk door, test whether it can start, record the instrument status and prompt sound, and collect data After the vehicle is READY, the charging gun is not unplugged, test whether it can start, record the instrument status and prompt sound, and collect data; When the SOC of the vehicle is too low, test whether the vehicle can start, record the instrument status and prompt sound, and collect data.

Preferably, the shift test program includes: When the vehicle is running at low speed, medium and low speed, do not step on the brake pedal test whether the D gear and R gear can be switched freely, record the instrument status and prompt sound, and collect data, When the vehicle is running at low speed, medium and low speed, dont step on the brake pedal test whether the D gear and other driving Gears except R gear can be freely switched, record the instrument status and prompt sound, and collect cata, The low-speed vehicle speed is Skm/h-20km/h, and the medium-low speed vehicle speed is 20km/h-40kmih, excluding 20km.

Other driving gears mentioned above are, for example, B gear.

Preferably, the vehicle driving mode switching test program includes: When the vehicle is running at low speed, medium and low speed, test whether the Normal mode and other modes can be switched freely, record the instrument status and prompt sound, and collect data;

Other modes include ECO mode, Sport mode or single pedal mode, the ET 905 vehicle speed is 5kmy/h-Z0kn/h and the medium-low speed vehicle speed is 20kmi/h-dA0kmih, excluding 20km.

Preferably, the slope test program includes: The vehicle climbs uphill at cresping speed, 10km/h speed and 20km/h speed respectively. After the vehicle body is completely on the slope, release the accelerator pedal, test whether the vehicle can park on the slope, record the instrument status and prompt sound, and coliect data, The above creep speed refers to the sigady speed {generally 5-8kmi/h) of the vehicle after the brake pedal is released and the accelerator pedal is not stepped on.

Optionally, step 4 specifically includes monitoring the test data and playing back the collected data in real time, checking whether there are error frames in the collected dala, whether there are abnormal conditions such as stopping uploading of sensor data, ele i there are similar conditions, i is necessary to stop the test, readjust the equipment and replenish the corresponding test conditions, Optionally, step 55 specifically includes: analyzing the fault tolgrance of static functions, whether the functions can be realized or interrupted under human misonperation, and analyzing the control process. Analyzing the fault tolerance of dynamic function, whether it can realize function or interrupt function under human misoperation, and analyze its control process.

Finally, it should be noted that the above examples are only used to ilustrate the technical scheme of the present invention, but not to limit it, Although the present invention has been described in detail with reference to the foregoing embodiments, ordinary technicians in the field should understand that it is still possible to modify the technical solutions described in the foregoing embodiments, or to replace some or all of their technical features equivalently, However, these modifications or substitutions do not make the essence of the corresponding technical solutions deviate from the technical solutions of gach embodiment of the present invention.

Claims (15)

Claims LU501345

1. New energy vehicle function fault-ioisrant testing method is characterized in that the functional Tault-lolerant test device is used for functional fauli-iolerant test, which comprises the following steps: step 1, according to the functions of new energy vehicles, make the layout scheme of each sensor and voltmeter, and make the test outline, step 2, arranging each sensor and voiimeter for data joint adiustment, step 3, carrying out the whole vehicle function fault-lolerant test according fo the test outline, step À, review test data, if the data is abnormal, stop the test and re-debug the test device until the test data review is normal, step 5, à the test data is normal, performing functional fault tolerance analysis to analyze both vehicle functional fault tolerance and the control process of functional fault tolerance, the functional fault-tolerant test device comprises vehicle controller CAN bus, resolver, current sensor, voltmeter, displacement sensor, hydraulic sensor, data acquisition module and host computer, the resolver is respectively connected with the vehicle controller CAN bus and the data acquisition module, and is used for acquiring and resolving signals on the vehicle controller CAN bus, and then outputting the resolved signals to the data acquisition module, the resolver accesses the whole vehicle controller to acquire the signals on vehicle controller CAN bus by simulating the data acquired by the vehicle diagnostic instrument, then, compared the obtained signals with the signals on vehicle controller CAN bus acquired by the vehicle diagnostic instrument to determine the analytic coefficient and offset, and the analytic signal is obtained through calculation, the data acquisition module is also connected with the current sensor, voltmeter, displacement sensor and hydraulic sensor respectively to acquire signals measured by the current sensor, voltmeter, displacement sensor and hydraulic sensor, the data acquisition module is also connected with the host computer, and the data acquisition module is used for uploading the collected data to the host computer, and the host computer is used for displaying and processing the received data, the test outline in S1 includes static test outline and dynamic test outline, wherein the static test outing includes power-on test outline, power-off test outing, charge test outline, discharge test outing and shift test outline under working conditions, the dynamic test outline includes starting test outline, shifting test outline, stopping on siope test outline and driving mode switching test outline, and the described charging test outline includes: put the vehidg 945 in P gear and press the parking key, handbrake or foot brake, plug in the charging gun to charge, record the charging status of the instrument and collect data, put the vehicle in P gear but don't press the parking key, handbrake or foot brake, plug in the charging gun to charge, record the charging status of the instrument and collect data, if the vehicle is not in P gear, plug in the charging gun to charge, record the charging status and prompt sound of the instrument, and collect data, in the process of charging the vehicle, step on the brake pedal and press the POWER key synchronously, record the instrument status and prompt sound, and collect data, the discharge test outline includes. the vehicle is in the power-off state, test whether the VEX function can be reglized, record the charging state and prompt sound of the instrument, and collect data, the vehicle is in the starting state, and the P gear is not engaged, or the parking key, hand brake or foot brake are not pressed, so as io test whether the VZ2X function can be realized, record the charging state and prompt sound of the instrument, and collect data, while the vehicle is in the process of V2X function, put the vehicle into driving gear, move the vehicle, test whether the V2X function can be maintained, record the charging state and prompt sound of the instrument, and collect data, when the vehicle is in extremely low power, test whether VZ2X function can be realized, record the charging state and prompt sound of the instrument, and collect data.

2. The resting method, according to claim 1, is characterized in that the power-on test program includes: press the POWER key only once to record the instrument status and collect data, press the POWER key twice in a row io record the instrument status and collect data, step on the brake pedal and press the POWER key synchronously io record the instrument status and colieci data.

3. The resting method, according to claim 1, is characterized in that the power-off test outline includes: shift the vehicle gear into driving gear, neutral gear and parking gear, and press the POWER key to record the instrument status and collect data, tum on the vehicle electrical accessories, press the POWER key, record the instrument status and the electrical accessories status and collect data, before the vehicle is powered off, the driver leaves the drivers seat, and records the instrument status and prompt sound, and collscis data,

4. The resting method, according to claim 1, is characterized in that the shift Tea; 0% outline in the static test program includes: when the vehicles is not powered on, test whether the gear can be switched, record the instrument status and prompt tone, if if can be swiiched, start the vehicle to observe whether the gear is automatically swiiched back to P, record the instrument status and prompt tone, and collect data.

5. The testing method, according to claim 1 to 4, is characterized in that the starting test outline I the vehicle is not in READY status, whether it can be pui info driving gear or started, record the instrument status and prompt sound, and collect data, after the vehicle is in READY status, it can be directly put into driving gear without stepping on the brake; if it can be started after being put into gear, record the instrument status and prompt sound and collect data, after the vehicle is in READY status, do not close the door or trunk door, test whether it can start, record the instrument status and prompt sound, and collect data ©.

The testing method, according to claim 1 to 4, is characterized in that the shift test outline in the dynamic test outiine includes. when the vehicle is running at low speed, medium and low speed, do not step on the brake pedal, test whether the D gear and R gear can be switched freely, record the instrument status and prompt sound, and collect data, when the vehicle is running at low speed, medium and low speed, dont step on the brake pedal, test whether the D gear and other driving gears except R gear can be freely switched, record the instrument status and prompt sound, and collect dats, the low-spead vehicle speed is Skm/in-20km/h, and the medium-low speed vehicle speed is 20km/ih-40kmi/h, excluding Zükmi/h.

7. The testing method, according to claim 1 to 4, is characterized in that the vehicle driving mode switching test outline includes: when the vehicle is running at low speed, medium and low speed, test whether the Normal mode and other modes can be switched fresiy, record the instrument status and prompt sound, and collect data; other modes include ECO mode, sport mode or single pedal mode, and the vehicle speed ai low spesd is Skm/h-ZOkm/h, The medium and low speed vehicle spesd is Z0kmih-40kmi/h, excluding 2O0km/h.

8. The testing method, according to claim 1 to 4, is characterized in that stopping on slope test outline includes: the vehicle climbs uphill at creeping spesd, 10kmit speed and 20kmi/h speed respectively, after the vehicle body is completely an 181945 siope, release the accelerator pedal, test whether the vehicle can park on the slope, record the instrument status and prompt sound, and collect data.

8. The testing method, according to claim 1 to 4, is characterized in that the vehicle controller CAN bus includes the following signals: starting state, vehicle speed, Accelerator pedal opening, brake pedal opening, gear, motor speed, torque, battery voltage, battery SOC and battery temperature.

10, The testing method, according to claim 1 to 4, is characterized in that the data acquisition module is provided with CAN interface, current interface, voltage interface and analog interface in parallel,

11. The testing method, according to claim 1 to 4, is characlerized in that the current sensor is arranged at that output cable of the power battery, and it is used for collecting the current signal of the power battery, and connected with the current interface.

12. The testing method, according to claim 1 to 4, is characterized in that the voltmeter is arranged at the output cable of the power battery, and it is used for collecting the voltage signal of the power battery, and connected with the voltage interface.

13. The testing method, according to claim 1 to 4, is characterized in that the displacement sensors are arranged at the accelerator pedal and the brake pedal for collecting the opening signals of the accelerator pedal and the brake pedal, and are connected with the analog interface.

14. The testing method, according to claim 1 to 4, is characterized in that the hydraulic sensor is arranged at the brake wheel cylinder, and it used for collecting brake hydraulic pressure of the brake wheel cylinder, and connecisd with the analog interface.

15. The testing method, according io claim 1 to 4, is characterized in that the host computer is arranged on the back seat of the vehicle,