CN116166008A - Constant-speed cruise test method, device, equipment and system - Google Patents
Constant-speed cruise test method, device, equipment and system Download PDFInfo
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- CN116166008A CN116166008A CN202211735416.9A CN202211735416A CN116166008A CN 116166008 A CN116166008 A CN 116166008A CN 202211735416 A CN202211735416 A CN 202211735416A CN 116166008 A CN116166008 A CN 116166008A
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- G—PHYSICS
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- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0212—Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory
- G05D1/0223—Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory involving speed control of the vehicle
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Abstract
The invention provides a constant-speed cruising test method, a device, equipment and a system, which comprise the following steps: acquiring set basic running environment parameters of the vehicle; controlling the whole vehicle controller and the motor system to enter a ready state capable of starting constant-speed cruising according to the input acceleration signal and the basic running environment parameters of the vehicle; controlling the whole vehicle controller and the motor system to execute constant-speed cruising according to the input constant-speed cruising trigger signal; acquiring set vehicle test operation environment parameters, and controlling a whole vehicle controller and a motor system to execute constant-speed cruising based on the vehicle test operation environment parameters; when the verification of the fixed cruising is required, the vehicle can be successfully realized through the basic operation environment parameters of the vehicle and the test operation environment parameters of the vehicle, the vehicle is not influenced by actual vehicles, test environments and sites, the verification requirements, cost, risks and periods are greatly reduced, and the verification efficiency is effectively improved.
Description
Technical Field
The invention relates to the technical field of vehicle driving verification, in particular to a constant-speed cruising test method, a device, equipment and a system.
Background
The constant-speed-cruise control system (Cruise Control System, CCS) is a control system that allows a driver to run a vehicle at a set speed without controlling an accelerator pedal. After the constant-speed cruising system is started, the automobile can automatically keep constant speed, so that the fatigue of a driver can be reduced, unnecessary speed change is reduced, fuel can be saved, and the driving convenience, comfort and safety are improved.
In the prior related test technology, the constant-speed cruising test is usually performed on a real vehicle, the speed of the vehicle is controlled by an accelerator, and then different cruising keys are pressed according to the state of the vehicle and the accelerator pedal and the brake pedal are matched, so that the real vehicle enters a cruising state and the vehicle speed, acceleration and deceleration are identified and controlled, and the related constant-speed cruising control logic test is performed. However, the real vehicle test is greatly influenced by the actual vehicle, the test environment and the field, and because the high vehicle speed working condition is required, the requirements on the driver and the vehicle state are higher, and the problems of high verification cost, high risk, long period and low efficiency exist.
Disclosure of Invention
The invention mainly aims to provide a constant-speed cruising test method, a device, equipment and a readable storage medium, and aims to solve the problems that in the related art, the actual vehicle test is greatly influenced by an actual vehicle, a test environment and a field, the requirements on the states of a driver and the vehicle are high, and the verification cost is high, the risk is high, the period is long and the efficiency is low.
In a first aspect, the present invention provides a method for testing constant speed cruising, which adopts the following technical scheme:
a constant speed cruise test method, comprising the steps of:
acquiring set basic running environment parameters of the vehicle;
controlling the whole vehicle controller and the motor system to enter a ready state capable of starting constant-speed cruising according to the input acceleration signal and the basic running environment parameters of the vehicle;
controlling the whole vehicle controller and the motor system to execute constant-speed cruising according to the input constant-speed cruising trigger signal;
acquiring set vehicle test operation environment parameters, and controlling a whole vehicle controller and a motor system to execute constant-speed cruising based on the vehicle test operation environment parameters;
and recording the running states and feedback signals of the whole vehicle controller and the motor system in real time.
In some embodiments, after controlling the vehicle controller and the motor system to execute the constant-speed cruising according to the input constant-speed cruising trigger signal, the method further includes:
and adjusting the constant-speed cruising execution parameters of the current vehicle controller and the motor system according to the input constant-speed cruising speed adjusting signal.
In some embodiments, the cruise control signal comprises a cruise speed acceleration signal or a cruise speed deceleration signal.
In some implementations, after controlling the vehicle controller and the motor system to execute the constant-speed cruising according to the input constant-speed cruising trigger signal, the method further includes:
and controlling the whole vehicle controller and the motor system to finish constant-speed cruising according to the input vehicle speed adjusting signal.
In some embodiments, the vehicle controller and the motor system are controlled to end the constant-speed cruising according to the input vehicle speed adjusting signal, and the vehicle controller and the motor system are controlled to enter the constant-speed cruising overrun state according to the input vehicle speed accelerating signal, or the vehicle controller and the motor system are controlled to enter the constant-speed cruising exit state according to the input vehicle speed decelerating signal.
In some embodiments, the set vehicle test operation environment parameters are obtained, and the vehicle controller and the motor system are controlled to execute constant-speed cruising based on the vehicle test operation environment parameters, where the vehicle test operation environment parameters correspond to environment parameters of the vehicle in a load rejection state.
In some embodiments, the set vehicle test operation environment parameter is obtained, and the vehicle test operation environment parameter is controlled to be in an abnormal state corresponding to a control object of the vehicle controller during the constant-speed cruising based on the vehicle test operation environment parameter, where the abnormal state includes one or more of insufficient residual electric quantity of the battery management system, failure of the micro control unit or the battery management system, and limitation of maximum torque of the vehicle by the vehicle electronic stability control system.
In a second aspect, the present invention further provides a constant-speed cruise test device, which adopts the following technical scheme:
a constant speed cruise test device, the constant speed cruise test device comprising:
an acquisition module configured to acquire a set vehicle base operating environment parameter and acquire a set vehicle test operating environment parameter;
the control module is configured to control the whole vehicle controller and the motor system to enter a ready state capable of starting constant-speed cruising according to the input acceleration signal and the set basic running environment parameters of the vehicle; controlling the whole vehicle controller and the motor system to enter a constant-speed cruising state according to the input constant-speed cruising trigger signal; and controlling the whole vehicle controller and the motor system to execute constant-speed cruising based on the vehicle test running environment parameters;
and the recording module is configured to record the running states and feedback signals of the whole vehicle controller and the motor system in real time.
In a third aspect, the present invention further provides a constant-speed cruise test device, which adopts the following technical scheme:
a constant speed cruise test device comprising a processor, a memory, and a constant speed cruise test program stored on the memory and executable by the processor, wherein the steps of the constant speed cruise test method described above are implemented when the constant speed cruise test program is executed by the processor.
In a fourth aspect, the present invention further provides a constant-speed cruise test system, which adopts the following technical scheme:
referring to fig. 4, a constant speed cruise test system for implementing the steps of the constant speed cruise test method as described above includes:
a power supply device;
the motor testing device is configured to collect the change of the running state of the motor system;
a driver operating device configured to simulate an acceleration/deceleration state of the vehicle and to start, shut down, or adjust a constant-speed cruise state;
a real-time simulation device configured to provide vehicle base operating environment parameters for simulating vehicle operation;
the upper computer is electrically connected with the real-time simulation device, the whole vehicle controller and the motor testing device and is further configured to record the running states and feedback signals of the whole vehicle controller and the motor system.
The invention provides a constant-speed cruising test method, a device, equipment and a system, which can control the operation of a whole vehicle controller and a motor system through preset basic operation environment parameters of a vehicle, enter a preparation state capable of starting constant-speed cruising and execute constant-speed cruising according to subsequent signals, so that the verification is realized only by acquiring the basic operation environment parameters of the vehicle after simulating the operation environment of the vehicle, and simultaneously, when the influence of different operation conditions on the number cruising is required to be verified, the verification can be smoothly realized only by acquiring the test operation environment parameters of the vehicle which are different from the basic operation environment parameters of the vehicle, and the system is not influenced by the actual vehicle, the test environment and sites, thereby greatly reducing the verification requirement, the cost, the risk and the period and effectively improving the verification efficiency.
Drawings
FIG. 1 is a schematic diagram of a hardware structure of a constant-speed-cruise test device according to an embodiment of the present invention;
FIG. 2 is a flow chart of a first embodiment of the cruise control method according to the present invention;
FIG. 3 is a schematic diagram of functional modules of a first embodiment of the cruise control device according to the present invention;
fig. 4 is a schematic diagram of a constant-speed-cruise test system according to an embodiment of the present invention.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The constant-speed-cruise control system (Cruise Control System, CCS) is a control system that allows a driver to run a vehicle at a set speed without controlling an accelerator pedal. After the constant-speed cruising system is started, the automobile can automatically keep constant speed, so that the fatigue of a driver can be reduced, unnecessary speed change is reduced, fuel can be saved, and the driving convenience, comfort and safety are improved. In the prior related test technology, the constant-speed cruising test is usually to test and verify on a real vehicle, control the speed of the vehicle through an accelerator, press different cruising keys according to the state of the vehicle, and match with an accelerator and a brake pedal, so that the real vehicle enters a cruising state and carries out recognition control on the speed, acceleration and deceleration of the vehicle, thereby carrying out logic test on the constant-speed cruising control of a whole vehicle controller and a motor system. However, the real vehicle test is greatly influenced by the actual vehicle, the test environment and the field, and because the high vehicle speed working condition is required, the requirements on the driver and the vehicle state are higher, and the problems of high verification cost, high risk, long period and low efficiency exist.
Based on the above problems, the invention provides a constant-speed cruising test method, device, equipment and system, which are characterized in that the running of a whole vehicle controller and a motor system can be controlled through preset basic running environment parameters of the vehicle, the whole vehicle controller and the motor system can be controlled to enter a preparation state capable of starting the constant-speed cruising and execute the constant-speed cruising according to subsequent signals, so that the real vehicle verification limit is eliminated, the basic running environment parameters of the vehicle can be obtained after the vehicle running environment is simulated, meanwhile, when the influence of different running conditions on the number cruising is required to be verified, the running environment parameters of the vehicle, which are different from the basic running environment parameters of the vehicle, can be smoothly realized, the influence of the actual vehicle, the testing environment and the site is avoided, the verification requirement, the cost, the risk and the period are greatly reduced, and the verification efficiency is effectively improved.
In a first aspect, an embodiment of the present invention provides a constant-speed-cruise test device, which may be a device having a data processing function, such as a personal computer (personal computer, PC), a notebook computer, a server, or the like.
Referring to fig. 1, fig. 1 is a schematic hardware structure of a constant-speed-cruise test device according to an embodiment of the present invention. In an embodiment of the present invention, the cruise control test device may include a processor 1001 (e.g., a central processing unit Central Processing Unit, CPU), a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. Wherein the communication bus 1002 is used to enable connected communications between these components; the user interface 1003 may include a Display screen (Display), an input unit such as a Keyboard (Keyboard); the network interface 1004 may optionally include a standard wired interface, a WIreless interface (e.g., 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, and the memory 1005 may alternatively be a storage device independent of the processor 1001. Those skilled in the art will appreciate that the hardware configuration shown in fig. 1 is not limiting of the invention and may include more or fewer components than shown, or may combine certain components, or a different arrangement of components.
With continued reference to fig. 1, an operating system, a network communication module, a user interface module, and a cruise control test program may be included in memory 1005, which is one type of computer storage medium in fig. 1. The processor 1001 may call a constant speed cruise test program stored in the memory 1005, and execute the constant speed cruise test method provided by the embodiment of the present invention.
In a second aspect, an embodiment of the present invention provides a constant-speed-cruise test method.
Referring to fig. 2, a constant speed cruise test method includes the steps of:
s100, acquiring set basic running environment parameters of a vehicle;
s200, controlling the whole vehicle controller and the motor system to enter a ready state capable of starting constant-speed cruising according to the input acceleration signal and the basic running environment parameters of the vehicle;
s300, controlling the whole vehicle controller and the motor system to execute constant-speed cruising according to the input constant-speed cruising trigger signal;
s400, acquiring set vehicle test operation environment parameters, and controlling a whole vehicle controller and a motor system to execute constant-speed cruising based on the vehicle test operation environment parameters;
s500, recording the running states and feedback signals of the whole vehicle controller and the motor system in real time.
The step S500 is continuously performed in the execution process of the whole constant-speed cruise test method, so that the running states and feedback signals of the whole vehicle controller and the motor system are recorded in real time, and a test result is obtained by technicians.
The vehicle basic operation environment parameters are set in advance, the whole vehicle controller and the motor system can be controlled to operate, the vehicle basic operation environment parameters are acquired after the vehicle basic operation environment parameters are simulated to realize verification after the vehicle basic operation environment parameters are separated from the real vehicle verification limit, and meanwhile, the vehicle basic operation environment parameters are required to be verified when the vehicle basic operation environment parameters are required to be changed to influence the fixed number cruising, the vehicle basic operation environment parameters can be smoothly realized only by acquiring the vehicle test operation environment parameters different from the vehicle basic operation environment parameters, the vehicle basic operation environment parameters are not influenced by actual vehicles, test environments and sites, the verification requirements, the cost, the risk and the period are greatly reduced, and the verification efficiency is effectively improved.
In some preferred embodiments, step S300 further includes, after controlling the vehicle controller and the motor system to execute the cruise control according to the input cruise control trigger signal:
s410, adjusting constant-speed cruising execution parameters of the current vehicle controller and the motor system according to the input constant-speed cruising speed adjusting signal.
Specifically, the constant-speed-cruise adjustment signal includes a constant-speed-cruise speed acceleration signal or a constant-speed-cruise speed deceleration signal.
The device is arranged in such a way, the whole vehicle controller and the motor system are directly regulated through the input constant-speed cruising speed regulating signals, and then the running states and feedback signals of the whole vehicle controller and the motor system are tested and obtained when the speed of the vehicle cruises at different speeds or the speed of the constant-speed cruising is changed.
In some preferred embodiments, step S300 further includes, after controlling the vehicle controller and the motor system to execute the cruise control according to the input cruise control trigger signal:
s420, controlling the whole vehicle controller and the motor system to finish constant-speed cruising according to the input vehicle speed adjusting signal.
Specifically, the whole vehicle controller and the motor system are controlled to enter a constant-speed cruising overrun state according to an input vehicle speed acceleration signal, or the whole vehicle controller and the motor system are controlled to enter a constant-speed cruising exit state according to an input vehicle speed deceleration signal.
In this way, after the vehicle enters a constant-speed cruising state, the cruising overrun state in the actual driving can be simulated by the vehicle speed acceleration signal, the torque control of the whole vehicle controller on the motor system and the torque response of the motor system in the state can be detected, or the cruising exit state in the actual driving can be simulated by the vehicle speed deceleration signal, and the torque control of the whole vehicle controller on the motor system and the torque response of the motor system in the state can be detected.
In some preferred embodiments, the set vehicle test operation environment parameters are obtained, and the vehicle controller and the motor system are controlled to execute constant-speed cruising based on the vehicle test operation environment parameters, wherein the vehicle test operation environment parameters correspond to environment parameters of the vehicle in a load rejection state.
By the arrangement, the running state and feedback signals of the whole vehicle controller and the motor system in the constant-speed cruising process of the vehicle in the load throwing state are obtained through testing.
In some preferred embodiments, the set vehicle test operation environment parameters are obtained, and the vehicle test operation environment parameters are controlled to be in an abnormal state corresponding to a control object of the vehicle controller during the constant-speed cruising based on the vehicle test operation environment parameters, where the abnormal state includes one or more of insufficient residual electric quantity of the battery management system, failure of the micro control unit or the battery management system, and limitation of maximum torque of the vehicle by the vehicle electronic stability control system.
By the arrangement, the running states and feedback signals of the whole vehicle controller and the motor system are obtained through testing when the vehicle is subjected to constant-speed cruising under different abnormal states.
In a third aspect, the embodiment of the invention further provides a constant-speed-cruise testing device.
Referring to fig. 3, a functional block diagram of a first embodiment of a constant-speed-cruise test device is shown.
In this embodiment, the constant-speed-cruise test device includes:
an acquisition module configured to acquire a set vehicle base operating environment parameter and acquire a set vehicle test operating environment parameter;
the control module is configured to control the whole vehicle controller and the motor system to enter a ready state capable of starting constant-speed cruising according to the input acceleration signal and the set basic running environment parameters of the vehicle; controlling the whole vehicle controller and the motor system to enter a constant-speed cruising state according to the input constant-speed cruising trigger signal; and controlling the whole vehicle controller and the motor system to execute constant-speed cruising based on the vehicle test running environment parameters;
and the recording module is configured to record the running states and feedback signals of the whole vehicle controller and the motor system in real time.
The function implementation of each module in the constant-speed-cruise testing device corresponds to each step in the constant-speed-cruise testing method embodiment, and the function and implementation process of each module are not described in detail herein.
In a fourth aspect, the embodiment of the invention further provides a constant-speed-cruise test system.
Referring to fig. 4, a constant speed cruise test system for implementing the steps of the constant speed cruise test method as described above includes:
a power supply device;
the motor testing device is configured to collect the change of the running state of the motor system;
a driver operating device configured to simulate an acceleration/deceleration state of the vehicle and to start, shut down, or adjust a constant-speed cruise state;
the real-time simulation device is electrically connected with the whole vehicle controller and the motor testing device and is configured to provide basic running environment parameters of the vehicle when the vehicle is simulated, and record running states and feedback signals of the whole vehicle controller and the motor system.
Concretely, a constant speed cruising test system includes:
the device comprises a power supply device, a motor testing device, a driver operating device and a real-time simulation device; the motor testing device comprises a power analyzer, a temperature control system, a data acquisition module and a torque sensor; the driver operating device comprises an accelerator pedal, a decelerator pedal and a combination switch; the real-time simulation device comprises an IO board card, a real-time processor and an upper computer, wherein the upper computer is provided with a simulation model system of a control object of a whole vehicle controller, wherein a real object is not assembled on a bench.
The motor testing device can collect the change of torque in the running process of the motor of the vehicle and execute recording; the driver operating device can simulate the acceleration and deceleration state of the vehicle in the constant-speed cruising process through the pedal, and the combined switch part can start or close the constant-speed cruising state through the operating switch; the real-time simulation device provides an operation environment for simulating constant-speed cruising through an operation simulation module, and the operation simulation module comprises: a powertrain model, a vehicle dynamics model, and a vehicle environment model; the real-time simulation device is connected with the whole vehicle controller and the motor testing device through an upper computer with an operation simulation module, performs control on the vehicle operation environment by operating a human-computer interaction interface and outputting an operation instruction, and can simulate constant-speed cruise testing under various working conditions in a non-real vehicle environment by combining pedal control of a driver operation device.
When the constant-speed cruising test is executed, the running environment of the whole vehicle is simulated through the upper computer, after the vehicle state meets the starting condition of the constant-speed cruising, the constant-speed cruising switch in the combined switch is started by the driver operating device, the vehicle enters the constant-speed cruising state, the environment change in the constant-speed cruising is simulated through executing parameter adjustment on the simulation module in the state, and the torque control of the whole vehicle controller to the motor system and the actual torque response condition of the motor system in the state are detected and recorded.
Alternatively, after the vehicle enters a constant-speed cruising state, the control may be performed on the accelerator pedal to simulate a cruising overrun state in actual running, in which the torque control of the motor system and the torque response of the motor system by the whole vehicle controller may be detected.
Alternatively, after the vehicle enters the constant-speed cruise state, the torque control of the motor system and the torque response of the motor system by the whole vehicle controller in this state may be detected by performing control on the reduction pedal to simulate the cruise exit state in actual running.
Alternatively, the motor system can control the torque and the rotating speed of the variable frequency motor through the arranged tester and the frequency converter so as to perform open-loop and closed-loop testing.
The device comprises a fixed-speed cruise test system, a parameter setting device and a parameter setting device, wherein the fixed-speed cruise test system is used as entity equipment used in actual loading, when an upper computer is used for carrying out test environment modeling, the parameter setting device can be modified according to actual vehicle change, various actual vehicle operation working conditions can be simulated, various tests can be executed by the test equipment under the condition of non-actual vehicles, the test effect is more visual close to the actual vehicle test and the test result is more visual, the accuracy of the test result is ensured, and the test can be executed under the condition of difficult test under the condition of the actual vehicles, so that the safety of the test is ensured. Therefore, the design structure is reasonable in design, can imitate the operation state of a real vehicle, and is low in test cost;
meanwhile, the device is suitable for motor systems and vehicle controllers of various types, the connection of signal ports on the docking equipment and the tooling of a motor test system are adjusted according to the different types to finish the test, the modification difficulty is low, the test cost is reduced to the maximum extent, and the test speed is increased; therefore, the design effectively reduces the test cost and time cost of constant-speed cruising, greatly improves the safety, and shortens the product development period of a motor system and a whole vehicle controller;
in addition, a certain function related to the constant-speed cruising of the motor system and the whole vehicle controller can be tested according to different testing requirements, and fault injection can be executed according to the testing requirements so as to test fault diagnosis and feedback capacity of the motor system and the whole vehicle controller;
the constant-speed cruising test system provided by the invention is characterized in that a three-electric-regulation real object rack combined by a motor test device, a driver operation device, a whole vehicle controller and a real-time simulation device is used for simulating input signals required by the constant-speed cruising system, collecting feedback signals output by the constant-speed cruising, and carrying out constant-speed cruising function test under different test working conditions by running a simulation module. The problem that the existing constant-speed cruise test adopts real vehicle verification is high in cost, high in risk and low in test efficiency is solved, the test cost of an automobile can be reduced, and the test efficiency and the safety are improved.
The constant-speed cruising test method, device, equipment and system provided by the invention have the beneficial effects that:
the vehicle basic operation environment parameters set in advance can control the operation of the whole vehicle controller and the motor system, the vehicle basic operation environment parameters are obtained after the vehicle basic operation environment parameters are simulated to realize verification after the vehicle basic operation environment parameters are separated from the real vehicle verification limit, meanwhile, when the influence of different operation conditions on the fixed number cruising is required to be verified, the vehicle basic operation environment parameters can be smoothly realized by obtaining the vehicle test operation environment parameters different from the vehicle basic operation environment parameters, the vehicle basic operation environment parameters are not influenced by actual vehicles, test environments and sites, the verification requirements, the cost, the risk and the period are greatly reduced, and the verification efficiency is effectively improved. The system is suitable for motor systems and vehicle controllers of various types, the connection of signal ports on the docking equipment and the tooling of the motor test system are adjusted according to the different types to finish the test, the modification difficulty is low, the test cost is reduced to the maximum extent, and the test speed is increased; therefore, the design effectively reduces the test cost and time cost of constant-speed cruising, greatly improves the safety, and shortens the product development period of a motor system and a whole vehicle controller.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) as described above, comprising several instructions for causing a terminal device to perform the method according to the embodiments of the present invention.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
Claims (10)
1. The constant-speed cruising test method is characterized by comprising the following steps of:
acquiring set basic running environment parameters of the vehicle;
controlling the whole vehicle controller and the motor system to enter a ready state capable of starting constant-speed cruising according to the input acceleration signal and the basic running environment parameters of the vehicle;
controlling the whole vehicle controller and the motor system to execute constant-speed cruising according to the input constant-speed cruising trigger signal;
acquiring set vehicle test operation environment parameters, and controlling a whole vehicle controller and a motor system to execute constant-speed cruising based on the vehicle test operation environment parameters;
and recording the running states and feedback signals of the whole vehicle controller and the motor system in real time.
2. The method for testing the constant speed cruising according to claim 1, wherein after the vehicle controller and the motor system are controlled to execute the constant speed cruising according to the input constant speed cruising trigger signal, the method further comprises:
and adjusting the constant-speed cruising execution parameters of the current vehicle controller and the motor system according to the input constant-speed cruising speed adjusting signal.
3. The cruise control test method according to claim 2, wherein the cruise control signal includes a cruise control speed acceleration signal or a cruise control speed deceleration signal.
4. The method for testing the constant speed cruising according to claim 1, wherein after the vehicle controller and the motor system are controlled to execute the constant speed cruising according to the input constant speed cruising trigger signal, the method further comprises:
and controlling the whole vehicle controller and the motor system to finish constant-speed cruising according to the input vehicle speed adjusting signal.
5. The method for testing the constant speed cruising according to claim 4, wherein the vehicle controller and the motor system are controlled to finish the constant speed cruising according to the input vehicle speed adjusting signal, the vehicle controller and the motor system are controlled to enter a constant speed cruising overrun state according to the input vehicle speed accelerating signal, or the vehicle controller and the motor system are controlled to enter a constant speed cruising exit state according to the input vehicle speed decelerating signal.
6. The method according to claim 1, wherein the set vehicle test operation environment parameter is obtained, and the vehicle controller and the motor system are controlled to execute the constant speed cruising based on the vehicle test operation environment parameter, the vehicle test operation environment parameter corresponding to an environment parameter of the vehicle in a load rejection state.
7. The method for testing the cruise control according to claim 1, wherein the set vehicle test operation environment parameters are obtained, and the vehicle test operation environment parameters are in an abnormal state corresponding to a control object of the vehicle controller during the execution of the cruise control based on the vehicle test operation environment parameters, wherein the abnormal state includes one or more of insufficient remaining power of the battery management system, malfunction of the micro control unit or the battery management system, and limitation of maximum torque of the vehicle by the vehicle electronic stability control system.
8. A constant speed cruise test device, characterized in that the constant speed cruise test device comprises:
an acquisition module configured to acquire a set vehicle base operating environment parameter and acquire a set vehicle test operating environment parameter;
the control module is configured to control the whole vehicle controller and the motor system to enter a ready state capable of starting constant-speed cruising according to the input acceleration signal and the set basic running environment parameters of the vehicle; controlling the whole vehicle controller and the motor system to enter a constant-speed cruising state according to the input constant-speed cruising trigger signal; and controlling the whole vehicle controller and the motor system to execute constant-speed cruising based on the vehicle test running environment parameters;
and the recording module is configured to record the running states and feedback signals of the whole vehicle controller and the motor system in real time.
9. A cruise control test device, characterized in that it comprises a processor, a memory, and a cruise control test program stored on the memory and executable by the processor, wherein the cruise control test program, when executed by the processor, implements the steps of the cruise control method according to any one of claims 1 to 7.
10. A constant speed cruise test system, characterized in that it is adapted to implement the steps of the constant speed cruise test method according to any one of claims 1 to 7, comprising:
a power supply device;
the motor testing device is configured to collect the change of the running state of the motor system;
a driver operating device configured to simulate an acceleration/deceleration state of the vehicle and to start, shut down, or adjust a constant-speed cruise state;
the real-time simulation device is electrically connected with the whole vehicle controller and the motor testing device and is configured to provide basic running environment parameters of the vehicle when the vehicle is simulated, and record running states and feedback signals of the whole vehicle controller and the motor system.
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CN202211735416.9A CN116166008A (en) | 2022-12-30 | 2022-12-30 | Constant-speed cruise test method, device, equipment and system |
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CN202211735416.9A CN116166008A (en) | 2022-12-30 | 2022-12-30 | Constant-speed cruise test method, device, equipment and system |
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