A constant speed cruise test method, device, equipment and system

Abstract

The present invention provides a constant speed cruise test method, device, equipment and system, which includes: obtaining set vehicle basic operation environment parameters; controlling a vehicle control unit and a motor system to enter a ready state for enabling constant speed cruise according to an input acceleration signal and the vehicle basic operation environment parameters; controlling the vehicle control unit and the motor system to perform constant speed cruise according to an input constant speed cruise trigger signal; obtaining set vehicle test operation environment parameters, and controlling the vehicle control unit and the motor system to perform constant speed cruise based on the vehicle test operation environment parameters; realizing that when verification of constant speed cruise is required, it can be smoothly achieved through the vehicle basic operation environment parameters and the vehicle test operation environment parameters, without being affected by the actual vehicle, test environment and site, greatly reducing the verification requirements, costs, risks and cycles, and effectively improving the verification efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle driving verification, and particularly to a constant speed cruise test method, device, equipment and system. Background Art

[0002] The cruise control system (CCS) refers to a control system that enables a vehicle to maintain a set speed without the driver controlling the accelerator pedal within a certain vehicle speed range. After the cruise control system is turned on, the vehicle can automatically maintain a constant speed, which can not only reduce the driver's fatigue, but also reduce unnecessary vehicle speed changes, save fuel, and improve driving convenience, comfort and safety.

[0003] In the existing related test technologies, the constant speed cruise test is usually carried out on a real vehicle for test verification. The vehicle speed is controlled by the throttle, and then different cruise buttons are pressed according to the vehicle state and the accelerator and brake pedals are coordinated to make the real vehicle enter the cruise state and identify and control the vehicle speed, acceleration and deceleration, so as to carry out relevant constant speed cruise control logic tests. However, the real vehicle test is greatly affected by the actual vehicle, test environment and site, and due to the need for high vehicle speed conditions, the requirements for the driver and vehicle state are relatively high, resulting in high verification costs, large risks, long cycles and low efficiency. Summary of the Invention

[0004] The main purpose of the present invention is to provide a constant speed cruise test method, device, equipment and readable storage medium, aiming to solve the problems in the related technologies that the real vehicle test is greatly affected by the actual vehicle, test environment and site, the requirements for the driver and vehicle state are relatively high, and there are problems of high verification costs, large risks, long cycles and low efficiency.

[0005] In the first aspect, the present invention provides a constant speed cruise test method, adopting the following technical solution:

[0006] A constant speed cruise test method includes the following steps:

[0007] Obtain the set vehicle basic operating environment parameters;

[0008] According to the input acceleration signal and the vehicle basic operating environment parameters, control the vehicle control unit and the motor system to enter the ready state for enabling the constant speed cruise;

[0009] According to the input constant speed cruise trigger signal, control the vehicle control unit and the motor system to execute the constant speed cruise;

[0010] Obtain the set vehicle test operating environment parameters, and control the vehicle control unit and the motor system to execute the constant speed cruise based on the vehicle test operating environment parameters;

[0011] Record the operating status and feedback signals of the vehicle controller and the motor system in real time.

[0012] In some embodiments, after controlling the vehicle controller and the motor system to perform constant speed cruise according to the input constant speed cruise trigger signal, the method further includes:

[0013] Adjust the constant speed cruise execution parameters of the current vehicle controller and the motor system according to the input constant speed cruise speed adjustment signal.

[0014] In some embodiments, the constant speed cruise adjustment signal includes a constant speed cruise speed acceleration signal or a constant speed cruise speed deceleration signal.

[0015] In some implementations, after controlling the vehicle controller and the motor system to perform constant speed cruise according to the input constant speed cruise trigger signal, the method further includes:

[0016] End the constant speed cruise of the vehicle controller and the motor system according to the input vehicle speed adjustment signal.

[0017] In some embodiments, ending the constant speed cruise of the vehicle controller and the motor system according to the input vehicle speed adjustment signal, entering a constant speed cruise override state by controlling the vehicle controller and the motor system according to the input vehicle speed acceleration signal, or entering a constant speed cruise exit state by controlling the vehicle controller and the motor system according to the input vehicle speed deceleration signal.

[0018] In some embodiments, when obtaining the set vehicle test operation environment parameters and controlling the vehicle controller and the motor system to perform constant speed cruise based on the vehicle test operation environment parameters, the vehicle test operation environment parameters correspond to the environment parameters when the vehicle is in a load rejection state.

[0019] In some embodiments, when obtaining the set vehicle test operation environment parameters and controlling the vehicle controller and the motor system to perform constant speed cruise based on the vehicle test operation environment parameters, the vehicle test operation environment parameters correspond to an abnormal state of the control object of the vehicle controller, and the abnormal state includes one or more of insufficient remaining power of the battery management system, faults in the micro control unit or the battery management system, and the vehicle electronic stability control system restricting the maximum torque of the vehicle.

[0020] In a second aspect, the present invention also provides a constant speed cruise test device, which adopts the following technical solutions:

[0021] A constant speed cruise test device, the constant speed cruise test device includes:

[0022] An acquisition module, which is configured to acquire the set vehicle basic operation environment parameters and acquire the set vehicle test operation environment parameters;

[0023] A control module, configured to control the vehicle controller and the motor system to enter a ready state for enabling the cruise control according to the input acceleration signal and the set vehicle basic operating environment parameters; control the vehicle controller and the motor system to enter the cruise control state according to the input cruise control trigger signal; and control the vehicle controller and the motor system to perform the cruise control based on the vehicle test operating environment parameters.

[0024] A recording module, configured to record in real time the operating states and feedback signals of the vehicle controller and the motor system.

[0025] In a third aspect, the present invention further provides a cruise control test device, adopting the following technical solution:

[0026] A cruise control test device, the cruise control test device includes a processor, a memory, and a cruise control test program stored on the memory and executable by the processor, wherein when the cruise control test program is executed by the processor, the steps of the cruise control test method described above are implemented.

[0027] In a fourth aspect, the present invention further provides a cruise control test system, adopting the following technical solution:

[0028] Referring to Figure 4 , a cruise control test system for implementing the steps of the cruise control test method described above, includes:

[0029] A power supply device;

[0030] A motor test device, configured to collect the changes in the operating state of the motor system;

[0031] A driver operation device, configured to simulate the acceleration and deceleration states of the vehicle and can start, close or adjust the cruise control state;

[0032] A real-time simulation device, configured to provide vehicle basic operating environment parameters for simulating vehicle operation;

[0033] An upper computer, electrically connected to the real-time simulation device, the vehicle controller and the motor test device, and further configured to record the operating states and feedback signals of the vehicle controller and the motor system.

[0034] The present invention provides a constant speed cruise test method, device, equipment and system. By means of the vehicle basic operating environment parameters set in advance, the vehicle control unit and the motor system can be controlled to operate, enter the ready state for enabling the constant speed cruise, and execute the constant speed cruise according to subsequent signals, thereby getting rid of the limitation of real vehicle verification. Only by simulating the vehicle operating environment and obtaining the vehicle basic operating environment parameters can the verification be achieved. Meanwhile, when it is necessary to verify the influence of different operating conditions on the constant speed cruise, it can also be smoothly achieved only by obtaining the vehicle test operating environment parameters different from the vehicle basic operating environment parameters, without being affected by the actual vehicle, test environment and site, greatly reducing the verification requirements, costs, risks and cycles, and effectively improving the verification efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a schematic diagram of the hardware structure of the constant speed cruise test equipment involved in the embodiment solution of the present invention;

[0036] Figure 2 It is a schematic flowchart of the first embodiment of the constant speed cruise test method of the present invention;

[0037] Figure 3 It is a schematic diagram of the functional modules of the first embodiment of the constant speed cruise test device of the present invention;

[0038] Figure 4 It is a schematic diagram of the constant speed cruise test system involved in the embodiment solution of the present invention.

[0039] The implementation, functional features and advantages of the object of the present invention will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0040] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0041] The cruise control system (CCS) refers to a control system that enables a vehicle to maintain a set speed without the driver having to control the accelerator pedal within a certain vehicle speed range. After the cruise control system is activated, the vehicle can automatically maintain a constant speed, which can not only reduce the driver's fatigue, but also reduce unnecessary speed changes, save fuel, and improve driving convenience, comfort, and safety. In existing related test technologies, cruise control tests are usually carried out on actual vehicles for verification. The vehicle speed is controlled through the accelerator, and then different cruise buttons are pressed according to the vehicle state, in combination with the accelerator and brake pedals, to make the actual vehicle enter the cruise state and identify and control the vehicle speed, acceleration, and deceleration, so as to conduct the cruise control logic test of the vehicle controller and the motor system. However, actual vehicle tests are greatly affected by the actual vehicle, test environment, and site, and due to the need for high vehicle speed conditions, the requirements for the driver and vehicle state are relatively high, resulting in problems such as high verification costs, high risks, long cycles, and low efficiency.

[0042] Based on the above problems, the present invention provides a cruise control test method, device, equipment, and system. The key point of the invention is that by presetting the vehicle's basic operating environment parameters, the vehicle controller and the motor system can be controlled to operate, enter the ready state for enabling cruise control, and execute cruise control according to subsequent signals, thus breaking away from the limitations of actual vehicle verification. Only by simulating the vehicle operating environment and obtaining the vehicle's basic operating environment parameters can verification be achieved. At the same time, when it is necessary to verify the impact of different operating conditions on cruise control, it can also be smoothly achieved only by obtaining the vehicle test operating environment parameters different from the vehicle's basic operating environment parameters, without being affected by the actual vehicle, test environment, and site, greatly reducing the verification requirements, costs, risks, and cycles, and effectively improving the verification efficiency.

[0043] In a first aspect, an embodiment of the present invention provides a cruise control test device, which can be a device with data processing functions such as a personal computer (PC), a laptop computer, a server, etc.

[0044] Refer to Figure 1 , Figure 1This is a schematic diagram of the hardware structure of the cruise control test device involved in the embodiment of the present invention. In the embodiment of the present invention, the cruise control test device may include a processor 1001 (such as a Central Processing Unit, CPU), a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. Among them, the communication bus 1002 is used to realize the connection and communication between these components; the user interface 1003 may include a display screen (Display) and an input unit such as a keyboard (Keyboard); the network interface 1004 may optionally include a standard wired interface and a wireless interface (such as a Wireless-Fidelity, WI-FI interface); the memory 1005 may be a high-speed random access memory (random access memory, RAM), or a stable memory (non-volatile memory), such as a disk memory. Optionally, the memory 1005 may also be a storage device independent of the aforementioned processor 1001. Those skilled in the art can understand that Figure 1 the hardware structure shown in

[0045] does not constitute a limitation to the present invention, and may include more or fewer components than shown in the figure, or combine some components, or have different component arrangements. Figure 1 Continue to refer to Figure 1 In, the memory 1005 as a computer storage medium may include an operating system, a network communication module, a user interface module, and a cruise control test program. Among them, the processor 1001 may call the cruise control test program stored in the memory 1005 and execute the cruise control test method provided by the embodiment of the present invention.

[0046] In the second aspect, the embodiment of the present invention provides a cruise control test method.

[0047] Referring to Figure 2 , a cruise control test method includes the following steps:

[0048] S100. Obtain the set vehicle basic operating environment parameters;

[0049] S200. According to the input acceleration signal and the vehicle basic operating environment parameters, control the vehicle control unit and the motor system to enter the ready state for enabling cruise control;

[0050] S300. According to the input cruise control trigger signal, control the vehicle control unit and the motor system to perform cruise control;

[0051] S400. Obtain the set vehicle test running environment parameters, and control the vehicle control unit and the motor system to perform constant speed cruise based on the vehicle test running environment parameters;

[0052] S500. Record the running states and feedback signals of the vehicle control unit and the motor system in real time.

[0053] Among them, step S500 is continuously performed during the execution of the entire constant speed cruise test method to realize real-time recording of the running states and feedback signals of the vehicle control unit and the motor system, so that technicians can obtain the test results.

[0054] With such a setting, by the preset vehicle basic running environment parameters, the vehicle control unit and the motor system can be controlled to run, enter the ready state for enabling constant speed cruise, and perform constant speed cruise according to subsequent signals, thus getting rid of the limitation of real vehicle verification. Only by simulating the vehicle running environment and obtaining the vehicle basic running environment parameters can the verification be achieved. At the same time, when it is necessary to verify the influence of vehicle running environment changes on constant speed cruise, it can also be smoothly achieved only by obtaining the vehicle test running environment parameters different from the vehicle basic running environment parameters, without being affected by the actual vehicle, test environment and site, greatly reducing the verification requirements, costs, risks and cycles, and effectively improving the verification efficiency.

[0055] In some preferred embodiments, after step S300. According to the input constant speed cruise trigger signal, control the vehicle control unit and the motor system to perform constant speed cruise, it further includes:

[0056] S410. According to the input constant speed cruise speed adjustment signal, adjust the constant speed cruise execution parameters of the current vehicle control unit and the motor system.

[0057] Specifically, the constant speed cruise adjustment signal includes a constant speed cruise speed acceleration signal or a constant speed cruise speed deceleration signal.

[0058] With such a setting, through the input constant speed cruise speed adjustment signal, the vehicle control unit and the motor system are directly adjusted, and then the running states and feedback signals of the vehicle control unit and the motor system are tested when the vehicle performs constant speed cruise at different speeds or the speed of constant speed cruise changes.

[0059] In some preferred embodiments, after step S300. According to the input constant speed cruise trigger signal, control the vehicle control unit and the motor system to perform constant speed cruise, it further includes:

[0060] S420. According to the input vehicle speed adjustment signal, control the vehicle control unit and the motor system to end the constant speed cruise.

[0061] Specifically, according to the input vehicle speed acceleration signal, the vehicle controller and the motor system are controlled to enter the constant speed cruise override state, or, according to the input vehicle speed deceleration signal, the vehicle controller and the motor system are controlled to enter the constant speed cruise exit state.

[0062] With such a setting, after the vehicle enters the constant speed cruise state, the cruise override state in actual driving can be simulated through the vehicle speed acceleration signal to detect the torque control of the vehicle controller on the motor system and the torque response of the motor system in this state, or the cruise exit state in actual driving can be simulated through the vehicle speed deceleration signal to detect the torque control of the vehicle controller on the motor system and the torque response of the motor system in this state.

[0063] In some preferred embodiments, in the process of obtaining the set vehicle test running environment parameters and controlling the vehicle controller and the motor system to perform constant speed cruise based on the vehicle test running environment parameters, the vehicle test running environment parameters correspond to the environment parameters when the vehicle is in a load rejection state.

[0064] With such a setting, the running states and feedback signals of the vehicle controller and the motor system during the constant speed cruise when the vehicle is in a load rejection state can be obtained through testing.

[0065] In some preferred embodiments, in the process of obtaining the set vehicle test running environment parameters and controlling the vehicle controller and the motor system to perform constant speed cruise based on the vehicle test running environment parameters, the vehicle test running environment parameters correspond to an abnormal state of the control object of the vehicle controller, and the abnormal state includes one or more of insufficient remaining battery power of the battery management system, faults in the microcontroller unit or the battery management system, and the vehicle electronic stability control system restricting the maximum torque of the vehicle.

[0066] With such a setting, the running states and feedback signals of the vehicle controller and the motor system during the constant speed cruise when the vehicle is in different abnormal states can be obtained through testing.

[0067] In a third aspect, an embodiment of the present invention further provides a constant speed cruise test device.

[0068] Referring to Figure 3 , the schematic diagram of the functional modules of the first embodiment of the constant speed cruise test device.

[0069] In this embodiment, the constant speed cruise test device includes:

[0070] An acquisition module, which is configured to acquire the set vehicle basic running environment parameters and acquire the set vehicle test running environment parameters;

[0071] A control module, configured to control the vehicle controller and the motor system to enter a ready state for enabling the cruise control according to the input acceleration signal and the set vehicle basic operating environment parameters; control the vehicle controller and the motor system to enter the cruise control state according to the input cruise control trigger signal; and control the vehicle controller and the motor system to perform the cruise control based on the vehicle test operating environment parameters.

[0072] A recording module, configured to record in real time the operating states and feedback signals of the vehicle controller and the motor system.

[0073] Wherein, the function implementation of each module in the above cruise control test device corresponds to each step in the above cruise control test method embodiment, and its function and implementation process will not be elaborated here one by one.

[0074] In a fourth aspect, an embodiment of the present invention further provides a cruise control test system.

[0075] Referring to Figure 4 , a cruise control test system, which is used to implement the steps of the above cruise control test method, and includes:

[0076] A power supply device;

[0077] A motor test device, configured to collect changes in the operating state of the motor system;

[0078] A driver operation device, configured to simulate the acceleration and deceleration states of the vehicle, and can start, close or adjust the cruise control state;

[0079] A real-time simulation device, electrically connected to the vehicle controller and the motor test device, and configured to provide vehicle basic operating environment parameters for simulating vehicle operation, and record the operating states and feedback signals of the vehicle controller and the motor system.

[0080] Specifically, a cruise control test system includes:

[0081] A power supply device, a motor test device, a driver operation device, a real-time simulation device; wherein, the motor test device includes a power analyzer, a temperature control system, a data acquisition module, a torque sensor; the driver operation device includes an acceleration pedal, a deceleration pedal, a combination switch; the real-time simulation device includes an IO board card, a real-time processor and a host computer, and the host computer has a simulation model system of the vehicle controller control object not assembled with physical objects on the test bench.

[0082] The motor test device can collect the torque changes during the operation of the vehicle motor and perform recording; the driver operation device can simulate the acceleration and deceleration states of the vehicle during the cruise control process through the pedal, and the combination switch part can start or close the cruise control state by operating the switch; the real-time simulation device provides an operating environment for simulating cruise control by running the simulation module, and the simulation module includes: a power transmission system model, a vehicle dynamics model, and a vehicle environment model; the real-time simulation device is connected to the vehicle controller and the motor test device through the upper computer with the operation simulation module, outputs operation instructions by running the human-machine interaction interface, controls the vehicle operation environment, and combines the pedal control of the driver operation device to simulate the cruise control test under various working conditions in a non-real vehicle environment.

[0083] When performing the cruise control test, the upper computer simulates the vehicle operation environment. When the vehicle state meets the cruise control activation condition, the driver operates the cruise control switch in the combination switch to turn on the cruise control, and the vehicle enters the cruise control state. In this state, by adjusting the parameters of the simulation module, the environmental changes during cruise control are simulated, and the torque control of the vehicle controller on the motor system and the actual torque response of the motor system are detected and recorded.

[0084] Optionally, after the vehicle enters the cruise control state, the acceleration pedal can be controlled to simulate the cruise override state in actual driving, and the torque control of the vehicle controller on the motor system and the torque response of the motor system in this state are detected.

[0085] Optionally, after the vehicle enters the cruise control state, the deceleration pedal can be controlled to simulate the cruise exit state in actual driving, and the torque control of the vehicle controller on the motor system and the torque response of the motor system in this state are detected.

[0086] Optionally, the motor system can control the torque and speed of the variable-frequency motor through the set tester and frequency converter to perform open-loop and closed-loop tests.

[0087] With such settings, the test pieces used in the cruise control test system are the physical devices used in actual vehicle installation. When using the upper computer to model the test environment, the parameter settings can be modified according to the changes of the actual vehicle, and various actual vehicle operation conditions can be simulated, enabling the test equipment to perform various tests under non-real vehicle conditions. The test effect is closer to the actual vehicle test and the test results are more intuitive, ensuring the accuracy of the test results, and tests can also be performed on working conditions that are difficult to test under actual vehicle conditions, ensuring the safety of the test. Therefore, the design of this structure is reasonable, can imitate the actual vehicle operation state, and has a low test cost;

[0088] Meanwhile, it is applicable to various different models of motor systems and vehicle controllers. According to different models, the connections of signal ports on the docking device and the tooling of the motor test system are adjusted to complete the test. The modification difficulty is small, which can minimize the test cost and speed up the test; therefore, this design effectively reduces the test cost and time cost of the cruise control, greatly improves the safety, and shortens the product development cycle of the motor system and the vehicle controller.

[0089] In addition, according to different test requirements, a certain function related to the cruise control of the motor system and the vehicle controller can be tested, or fault injection can be performed according to the test requirements to test the fault diagnosis and feedback capabilities of the motor system and the vehicle controller.

[0090] It can be seen that the cruise control test system provided by the present invention uses a three-electricity joint debugging physical bench composed of a motor test device, a driver operation device, a vehicle controller, and a real-time simulation device to simulate the input signals required by the cruise control system and collect the feedback signals output by the cruise control, and perform function tests on the cruise control under different test conditions by running the simulation module. It solves the problems of high cost, high risk, and low test efficiency in the existing cruise control test using real vehicle verification, and can reduce the vehicle test cost, improve the test efficiency and safety.

[0091] The beneficial effects of the cruise control test method, device, equipment, and system provided by the present invention are as follows:

[0092] By the preset vehicle basic operating environment parameters, the vehicle controller and the motor system can be controlled to operate, enter the ready state for enabling the cruise control, and perform the cruise control according to subsequent signals, thus getting rid of the restrictions of real vehicle verification. Only by simulating the vehicle operating environment and obtaining the vehicle basic operating environment parameters can the verification be achieved. At the same time, when it is necessary to verify the influence of different operating conditions on the cruise control, it can also be smoothly achieved only by obtaining the vehicle test operating environment parameters different from the vehicle basic operating environment parameters, without being affected by the actual vehicle, test environment, and site, greatly reducing the verification requirements, costs, risks, and cycles, and effectively improving the verification efficiency. Moreover, it is applicable to various different models of motor systems and vehicle controllers. According to different models, the connections of signal ports on the docking device and the tooling of the motor test system are adjusted to complete the test. The modification difficulty is small, which can minimize the test cost and speed up the test; therefore, this design effectively reduces the test cost and time cost of the cruise control, greatly improves the safety, and shortens the product development cycle of the motor system and the vehicle controller.

[0093] It should be noted that in this document, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, such that a process, method, article or system comprising a series of elements not only includes those elements but also other elements not explicitly listed, or further includes elements inherent to such process, method, article or system. Without further limitation, an element defined by the phrase "comprising a..." does not exclude the existence of additional identical elements in the process, method, article or system comprising such element.

[0094] The serial numbers of the embodiments of the present invention above are only for description and do not represent the superiority or inferiority of the embodiments.

[0095] Through the description of the above embodiments, those skilled in the art can clearly understand that the above-described embodiment methods can be implemented by means of software plus a necessary general hardware platform. Of course, they can also be implemented by hardware, but in many cases the former is a better implementation. Based on such an understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art can be embodied in the form of a software product. This computer software product is stored in a storage medium as described above (such as ROM / RAM, magnetic disk, optical disc) and includes several instructions for causing a terminal device to execute the methods described in the various embodiments of the present invention.

[0096] The above are only the preferred embodiments of the present invention and do not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present invention.

Claims

1. A constant speed cruise test method, characterized in that, It includes the following steps: Obtain the set vehicle basic operating environment parameters; According to the input acceleration signal and the vehicle basic operating environment parameters, control the vehicle controller and the motor system to enter the ready state for enabling the cruise control; According to the input cruise control trigger signal, control the vehicle controller and the motor system to execute the cruise control; Obtain the set vehicle test operating environment parameters, and control the vehicle controller and the motor system to execute the cruise control based on the vehicle test operating environment parameters, where the vehicle test operating environment parameters correspond to the control object of the vehicle controller being in an abnormal state, and the abnormal state includes one or more of insufficient remaining power of the battery management system, faults in the microcontroller unit or the battery management system, and the vehicle electronic stability control system restricting the maximum torque of the vehicle; Record the operating state and feedback signals of the vehicle controller and the motor system in real time; Among them, after controlling the vehicle controller and the motor system to execute the cruise control according to the input cruise control trigger signal, it further includes: According to the input vehicle speed adjustment signal, control the vehicle controller and the motor system to end the cruise control; After controlling the vehicle controller and the motor system to execute the cruise control according to the input cruise control trigger signal, it further includes: According to the input cruise control speed adjustment signal, adjust the cruise control execution parameters of the current vehicle controller and the motor system, and the cruise control adjustment signal includes a cruise control speed acceleration signal or a cruise control speed deceleration signal.

2. The constant speed cruise test method according to claim 1, characterized in that, Controlling the vehicle controller and the motor system to end the cruise control according to the input vehicle speed adjustment signal, controlling the vehicle controller and the motor system to enter the cruise control override state according to the input vehicle speed acceleration signal, or controlling the vehicle controller and the motor system to enter the cruise control exit state according to the input vehicle speed deceleration signal.

3. The constant speed cruise test method according to claim 1, characterized in that In the process of obtaining the set vehicle test operating environment parameters and controlling the vehicle controller and the motor system to execute the cruise control based on the vehicle test operating environment parameters, the vehicle test operating environment parameters correspond to the environmental parameters when the vehicle is in a load rejection state.

4. A constant speed cruise test device, characterized in that, The cruise control test device includes: An acquisition module configured to acquire the set vehicle basic operating environment parameters and the set vehicle test operating environment parameters; A control module configured to control the vehicle controller and the motor system to enter the ready state for enabling the cruise control according to the input acceleration signal and the set vehicle basic operating environment parameters; control the vehicle controller and the motor system to enter the cruise control state according to the input cruise control trigger signal; and control the vehicle controller and the motor system to execute the cruise control based on the vehicle test operating environment parameters; A recording module configured to record the operating state and feedback signals of the vehicle controller and the motor system in real time; Among them, the control module is further configured such that the control object of the vehicle test running environment parameters corresponding to the vehicle control unit is in an abnormal state, and the abnormal state includes one or more of insufficient remaining power of the battery management system, faults in the micro control unit or the battery management system, and the vehicle electronic stability control system restricting the maximum torque of the whole vehicle; according to the input vehicle speed adjustment signal, control the vehicle control unit and the motor system to end the constant speed cruise; The control module is further configured to adjust the constant speed cruise execution parameters of the current vehicle control unit and the motor system according to the input constant speed cruise speed adjustment signal, and the constant speed cruise adjustment signal includes a constant speed cruise speed acceleration signal or a constant speed cruise speed deceleration signal.

5. A constant speed cruise test device, characterized in that, The constant speed cruise test device includes a processor, a memory, and a constant speed cruise test program stored on the memory and executable by the processor. When the constant speed cruise test program is executed by the processor, the steps of the constant speed cruise test method according to any one of claims 1 to 3 are implemented.

6. A constant speed cruise test system, characterized in that, It is used to implement the steps of the constant speed cruise test method according to any one of claims 1 to 3, and it includes: Power supply device; Motor test device, which is configured to collect changes in the operating state of the motor system; Driver operation device, which is configured to simulate the acceleration and deceleration states of the vehicle and can start, stop or adjust the constant speed cruise state; Real-time simulation device, which is electrically connected to the vehicle control unit and the motor test device and is configured to provide vehicle basic operating environment parameters for simulating vehicle operation, and record the operating states and feedback signals of the vehicle control unit and the motor system.

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