Vehicle acceleration vibration active suppression method, device, equipment and storage medium

Abstract

The present invention discloses a method, device, equipment and storage medium for actively suppressing vehicle acceleration jitter, and belongs to the field of vehicle NVH technology. The present invention obtains the driving data and acceleration jitter query map of the current vehicle; determines the driving state of the current vehicle according to the driving data and the acceleration jitter query map; when the driving state is the acceleration jitter state, adjusts the body height of the current vehicle according to the driving data and the acceleration jitter query map to suppress the body acceleration jitter. In this way, the driving state of the vehicle is determined according to the driving state of the current vehicle and the pre-constructed acceleration jitter query map, and the body height is automatically adjusted when the vehicle is in the acceleration jitter state to suppress the body acceleration jitter, without changing the hardware structure, and achieving zero-cost improvement of acceleration jitter, which greatly shortens the research and development cycle and reduces development costs.

Description

Technical Field

[0001] The present invention relates to the field of vehicle NVH technology, and in particular to a method, device, equipment and storage medium for actively suppressing vehicle acceleration jitter. Background Art

[0002] The acceleration jitter problem of new energy vehicles has become one of the focal points of customer complaints, directly affecting the quality of the vehicle. Compared with fuel vehicles, new energy vehicles have large motor torque and fast torque response. The acceleration jitter problem caused by the axial derivative force of the drive shaft is common, especially for new energy vehicles equipped with air suspension. Due to the large adjustable range of the vehicle height and the larger drive shaft angle, the acceleration jitter problem is more serious. The usual solution to the acceleration jitter problem is modal frequency avoidance and improving vibration isolation performance, which requires structural changes, high cost and long cycle.

[0003] The above contents are only used to assist in understanding the technical solution of the present invention and do not constitute an admission that the above contents are prior art. Summary of the invention

[0004] The main purpose of the present invention is to provide a method, device, equipment and storage medium for actively suppressing vehicle acceleration jitter, aiming to solve the technical problem that the prior art solution to vehicle acceleration jitter requires structural changes, resulting in increased costs.

[0005] To achieve the above object, the present invention provides a method for actively suppressing vehicle acceleration jitter, the method comprising the following steps:

[0006] Get the current vehicle's driving data and acceleration jitter query map;

[0007] Determining the driving state of the current vehicle according to the driving data and the acceleration jitter query map;

[0008] When the driving state is an acceleration jitter state, the body height of the current vehicle is adjusted according to the driving data and the acceleration jitter query map to suppress body acceleration jitter.

[0009] Optionally, obtaining the driving data of the current vehicle and the acceleration jitter query map includes:

[0010] Obtain the current vehicle's driving mode, vehicle required torque and vehicle height signals;

[0011] Determine driving data according to the driving mode, the vehicle required torque and the vehicle height signal;

[0012] An acceleration jitter query map corresponding to the current vehicle is retrieved according to the vehicle data of the current vehicle.

[0013] Optionally, before retrieving the acceleration jitter query map corresponding to the current vehicle according to the vehicle data of the current vehicle, the method further includes:

[0014] Acquiring driving mode information of the current vehicle, and determining a plurality of preset driving modes according to the driving mode information;

[0015] Performing tests according to each preset driving mode to determine seat rail vibration acceleration information and vehicle parameter information;

[0016] An acceleration jitter query map is constructed according to the seat rail vibration acceleration and vehicle parameter information.

[0017] Optionally, the testing according to each preset driving mode to determine the seat rail vibration acceleration information and vehicle parameter information includes:

[0018] Controlling the current vehicle to accelerate from rest according to a preset test strategy, and measuring seat rail vibration acceleration information under each preset driving mode, as well as vehicle required torque information and vehicle height information corresponding to the seat rail vibration acceleration information;

[0019] The vehicle parameter information is determined according to the vehicle required torque information and the vehicle height information corresponding to the seat rail vibration acceleration information.

[0020] Optionally, constructing an acceleration jitter query map according to the seat rail vibration acceleration and vehicle parameter information includes:

[0021] Determining a corresponding relationship between the seat rail vibration acceleration and the vehicle required torque and vehicle height according to the seat rail vibration acceleration information and the vehicle parameter information;

[0022] An acceleration jitter query map is constructed according to the corresponding relationship.

[0023] Optionally, constructing an acceleration jitter query map according to the corresponding relationship includes:

[0024] Constructing a three-dimensional table according to the corresponding relationship as an acceleration jitter corresponding relationship table;

[0025] The area where the seat rail vibration acceleration in the acceleration-jitter correspondence table is greater than the target vibration threshold is used as the vehicle acceleration-jitter area;

[0026] An acceleration jitter query map is constructed according to the vehicle acceleration jitter area and the acceleration jitter correspondence table.

[0027] Optionally, when the driving state is an acceleration jitter state, adjusting the vehicle height of the current vehicle to suppress vehicle acceleration jitter according to the driving data and the acceleration jitter query map includes:

[0028] When the current vehicle is in an acceleration jitter state, determining a current vehicle height according to the driving data;

[0029] The height is lowered according to the current vehicle body height until the current vehicle is no longer in the vehicle acceleration jitter area of ​​the acceleration jitter query map.

[0030] In addition, in order to achieve the above-mentioned purpose, the present invention also proposes a vehicle acceleration jitter active suppression device, the vehicle acceleration jitter active suppression device comprising:

[0031] A data acquisition module is used to obtain the current vehicle's driving data and acceleration jitter query map;

[0032] A state determination module, used to determine the current driving state of the vehicle according to the driving data and the acceleration jitter query map;

[0033] The vibration suppression module is used to adjust the body height of the current vehicle according to the driving data and the acceleration vibration query map to suppress the acceleration vibration of the body when the driving state is an acceleration vibration state.

[0034] In addition, to achieve the above-mentioned purpose, the present invention also proposes a vehicle acceleration jitter active suppression device, which includes: a memory, a processor, and a vehicle acceleration jitter active suppression program stored on the memory and running on the processor, and the vehicle acceleration jitter active suppression program is configured to implement the vehicle acceleration jitter active suppression method described above.

[0035] In addition, to achieve the above-mentioned purpose, the present invention also proposes a storage medium, on which a vehicle acceleration jitter active suppression program is stored. When the vehicle acceleration jitter active suppression program is executed by a processor, the vehicle acceleration jitter active suppression method as described above is implemented.

[0036] The present invention obtains the driving data and acceleration jitter query map of the current vehicle; determines the driving state of the current vehicle according to the driving data and the acceleration jitter query map; when the driving state is the acceleration jitter state, adjusts the body height of the current vehicle according to the driving data and the acceleration jitter query map to suppress the acceleration jitter of the body. In this way, the driving state of the vehicle is determined according to the driving state of the current vehicle and the pre-built acceleration jitter query map, and the body height is automatically adjusted when the vehicle is in the acceleration jitter state to suppress the acceleration jitter of the body. There is no need to change the hardware structure, and the acceleration jitter can be improved at zero cost, which greatly shortens the research and development cycle and reduces the development cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a structural schematic diagram of a vehicle acceleration jitter active suppression device in a hardware operating environment involved in an embodiment of the present invention;

[0038] Figure 2 A schematic diagram of a flow chart of a first embodiment of a method for actively suppressing vehicle acceleration jitter according to the present invention;

[0039] Figure 3 A schematic diagram showing a comparison of active suppression effects in an embodiment of a method for actively suppressing vehicle acceleration jitter according to the present invention;

[0040] Figure 4 It is a schematic diagram of a complete implementation flow of an embodiment of a method for actively suppressing vehicle acceleration jitter of the present invention;

[0041] Figure 5 A schematic flow chart of a second embodiment of a method for actively suppressing vehicle acceleration jitter according to the present invention;

[0042] Figure 6 A schematic diagram of an acceleration jitter query map in an embodiment of a method for actively suppressing vehicle acceleration jitter of the present invention;

[0043] Figure 7 This is a structural block diagram of the first embodiment of the vehicle acceleration vibration active suppression device of the present invention.

[0044] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0045] 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.

[0046] Reference Figure 1 , Figure 1 A schematic diagram of the structure of a vehicle acceleration jitter active suppression device in the hardware operating environment involved in an embodiment of the present invention.

[0047] like Figure 1As shown, the vehicle acceleration vibration active suppression 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), an input unit such as a keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface and a wireless interface. The network interface 1004 may optionally include a standard wired interface and a wireless interface (such as a wireless fidelity (Wireless-Fidelity, Wi-Fi) interface). The memory 1005 may be a high-speed random access memory (Random Access Memory, RAM) memory, or a stable non-volatile memory (Non-Volatile Memory, NVM), such as a disk memory. The memory 1005 may also be a storage device independent of the aforementioned processor 1001.

[0048] Those skilled in the art will understand that Figure 1 The structure shown in the figure does not constitute a limitation on the vehicle acceleration jitter active suppression device, and may include more or fewer components than shown in the figure, or a combination of certain components, or a different arrangement of components.

[0049] like Figure 1 As shown, the memory 1005 as a storage medium may include an operating system, a network communication module, a user interface module, and a vehicle acceleration jitter active suppression program.

[0050] exist Figure 1 In the vehicle acceleration jitter active suppression device shown, the network interface 1004 is mainly used for data communication with the network server; the user interface 1003 is mainly used for data interaction with the user; the processor 1001 and the memory 1005 in the vehicle acceleration jitter active suppression device of the present invention can be set in the vehicle acceleration jitter active suppression device, and the vehicle acceleration jitter active suppression device calls the vehicle acceleration jitter active suppression program stored in the memory 1005 through the processor 1001, and executes the vehicle acceleration jitter active suppression method provided in the embodiment of the present invention.

[0051] The embodiment of the present invention provides a method for actively suppressing vehicle acceleration jitter, referring to Figure 2 , Figure 2 The figure is a flow chart of a first embodiment of a method for actively suppressing vehicle acceleration jitter according to the present invention.

[0052] In this embodiment, the vehicle acceleration jitter active suppression method comprises the following steps:

[0053] Step S10: Obtain the current vehicle's driving data and acceleration jitter query map.

[0054] In this embodiment, the execution subject of this embodiment may be the vehicle acceleration jitter active suppression device, which has functions such as data processing, data communication and program running, and the vehicle acceleration jitter active suppression device may be a vehicle controller. Of course, it may also be other devices with similar functions, and this implementation condition does not limit this. For the sake of convenience, this implementation is described by taking the vehicle acceleration jitter active suppression device as an example.

[0055] It should be noted that the acceleration jitter problem of new energy vehicles has become one of the focuses of customer complaints, which directly affects the quality of the vehicle. Compared with fuel vehicles, new energy vehicles have large motor torque and fast torque response. The acceleration jitter problem caused by the axial derivative force of the drive shaft is common, especially for new energy vehicles equipped with air suspension. Due to the large adjustable range of the vehicle body height and the larger drive shaft angle, the acceleration jitter problem is more serious. The usual solution to the acceleration jitter problem is modal frequency avoidance and improved vibration isolation performance, which requires structural changes, high costs, and a long cycle. The solution of this embodiment determines the vehicle's driving state based on the current vehicle's driving state and the pre-built acceleration jitter query map, and automatically adjusts the vehicle body height when the vehicle is in an acceleration jitter state to suppress the acceleration jitter of the vehicle body. There is no need to change the hardware structure, and zero-cost improvement of acceleration jitter is achieved, which greatly shortens the research and development cycle and reduces development costs.

[0056] In a specific implementation, in order to realize data acquisition and control through a vehicle controller, the present invention provides an active acceleration jitter suppression system for a vehicle with adjustable body height, comprising: 1. a storage subsystem for storing an acceleration jitter query map; 2. a detection subsystem for real-time detection of the vehicle's required torque and body height during driving; 3. a processing subsystem for determining whether the vehicle's required torque and body height fall within the acceleration jitter area, and if so, issuing a body height adjustment instruction; 4. an execution subsystem for executing the body height adjustment action according to the instruction of the processing subsystem.

[0057] It should be understood that the current vehicle driving data includes the driving mode, the vehicle required torque, and the vehicle height signal. The acceleration jitter query map is a pre-established table map that matches the current vehicle model.

[0058] Step S20: Determine the current driving state of the vehicle according to the driving data and the acceleration jitter query map.

[0059] In the specific implementation, the vehicle controller determines whether the vehicle is in the acceleration jitter area. The vehicle controller compares the vehicle's required torque and body height signals with the acceleration jitter query map corresponding to the driving mode. If the vehicle's required torque and body height signals fall in the acceleration jitter area, the vehicle is judged to be in the acceleration jitter state, otherwise the vehicle is judged to be in a normal driving state.

[0060] Step S30: When the driving state is an acceleration jitter state, the body height of the current vehicle is adjusted according to the driving data and the acceleration jitter query map to suppress body acceleration jitter.

[0061] It should be noted that when the driving state is determined to be an acceleration jitter state, the driving data is called to adjust the vehicle body height so that the drive shaft angle is reduced, thereby moving the vehicle out of the acceleration jitter area of ​​the acceleration jitter query map, actively suppressing the vehicle's acceleration jitter.

[0062] Furthermore, in order to accurately and actively suppress vehicle acceleration jitter, step S30 includes: when the current vehicle is in an acceleration jitter state, determining the current vehicle height according to the driving data; lowering the height according to the current vehicle height until the current vehicle is no longer in the vehicle acceleration jitter area of ​​the acceleration jitter query map.

[0063] It should be understood that if the vehicle is in the acceleration jitter area, the vehicle's required torque and body height at this time fall within the acceleration jitter area. The vehicle controller sends a command to the body height controller unit to adjust the body height to reduce the drive shaft angle. When the body height is reduced and the drive shaft angle is reduced, the body height is reduced to move it out of the vehicle acceleration jitter area; otherwise, the body height is increased. The effect diagram is as follows Figure 3 The complete implementation process is as shown in Figure 4 shown.

[0064] This embodiment obtains the driving data and acceleration jitter query map of the current vehicle; determines the driving state of the current vehicle according to the driving data and the acceleration jitter query map; and when the driving state is the acceleration jitter state, adjusts the body height of the current vehicle according to the driving data and the acceleration jitter query map to suppress the acceleration jitter of the body. In this way, the driving state of the vehicle is determined according to the driving state of the current vehicle and the pre-built acceleration jitter query map, and the body height is automatically adjusted when the vehicle is in the acceleration jitter state to suppress the acceleration jitter of the body. There is no need to change the hardware structure, and the acceleration jitter can be improved at zero cost, which greatly shortens the research and development cycle and reduces the development cost.

[0065] refer to Figure 5 , Figure 5 The figure is a flow chart of a second embodiment of a method for actively suppressing vehicle acceleration jitter according to the present invention.

[0066] Based on the first embodiment, the vehicle acceleration jitter active suppression method of this embodiment includes in step S10:

[0067] Step S101: Acquire the current vehicle driving mode, vehicle required torque and vehicle height signal.

[0068] It should be noted that the driving mode refers to the vehicle driving mode detected in real time, which can be sports mode, comfort mode, economy mode, outing mode, off-road mode, etc. The vehicle required torque and vehicle height information are the vehicle required torque and vehicle height values ​​at the current moment. The vehicle required torque can be obtained by looking up the table using the accelerator pedal and vehicle speed.

[0069] Step S102: Determine driving data according to the driving mode, the vehicle required torque and the vehicle height signal.

[0070] It should be understood that after the driving mode, the vehicle required torque and the vehicle height signal are obtained, the vehicle required torque and the vehicle height signal are stored corresponding to the current driving mode.

[0071] Step S103: Retrieving an acceleration jitter query map corresponding to the current vehicle according to the vehicle data of the current vehicle.

[0072] In a specific implementation, after determining the vehicle data, the acceleration jitter query map corresponding to the current vehicle is retrieved for subsequent status judgment.

[0073] Furthermore, in order to pre-construct a more accurate acceleration jitter query map, before step S103, it also includes: obtaining the driving mode information of the current vehicle, and determining a plurality of preset driving modes according to the driving mode information; performing tests according to each preset driving mode to determine the seat rail vibration acceleration information and the vehicle parameter information; and constructing an acceleration jitter query map according to the seat rail vibration acceleration and the vehicle parameter information.

[0074] It should be noted that the driving mode information determines a plurality of preset driving modes that are selectable and pre-set for the current vehicle.

[0075] It should be understood that the test is divided into different preset driving modes and performed in sequence, that is, each preset driving mode is tested once, and finally the seat guide vibration acceleration information and vehicle parameter information corresponding to each preset driving mode are obtained, wherein the seat guide vibration acceleration information is the vibration acceleration information of the acceleration jitter caused by the axial derived force of the drive shaft in each driving mode.

[0076] Furthermore, in order to accurately measure the seat rail vibration acceleration under different driving modes and different working conditions, tests are performed according to each preset driving mode, and the steps of determining the seat rail vibration acceleration information and vehicle parameter information include: controlling the current vehicle to accelerate from a standstill according to a preset test strategy, and measuring the seat rail vibration acceleration information under each preset driving mode, as well as the vehicle demand torque information and vehicle body height information corresponding to the seat rail vibration acceleration information; and determining the vehicle parameter information according to the vehicle demand torque information and vehicle body height information corresponding to the seat rail vibration acceleration information.

[0077] In the specific implementation, during the research and development phase, each preset driving mode is selected in turn, the vehicle height is adjusted, the vehicle is accelerated from a standstill with different throttle openings, and the seat rail vibration acceleration of the vehicle and the corresponding vehicle required torque and vehicle height signals are detected. Then the vehicle required torque information and vehicle height information corresponding to the seat rail vibration acceleration information are used as vehicle parameter information.

[0078] Furthermore, in order to construct an acceleration jitter query map, the step of constructing the acceleration jitter query map according to the seat rail vibration acceleration and the vehicle parameter information includes: determining the correspondence between the seat rail vibration acceleration and the vehicle required torque and body height according to the seat rail vibration acceleration information and the vehicle parameter information; and constructing the acceleration jitter query map according to the correspondence.

[0079] It should be noted that after determining the vehicle parameter information and the seat rail vibration acceleration information, the corresponding relationship between the seat rail vibration acceleration and the vehicle's required torque and body height is determined, and then the acceleration jitter query map is constructed based on the corresponding relationship.

[0080] Furthermore, in order to construct a complete acceleration jitter query map, the step of constructing the acceleration jitter query map according to the correspondence includes: constructing a three-dimensional table according to the correspondence as an acceleration jitter correspondence table; taking the area in the acceleration jitter correspondence table where the seat guide vibration acceleration is greater than the target vibration threshold as the vehicle acceleration jitter area; and constructing an acceleration jitter query map according to the vehicle acceleration jitter area and the acceleration jitter correspondence table.

[0081] It should be understood that, firstly, a three-dimensional table is formed according to the corresponding relationship to obtain an acceleration jitter corresponding relationship table, and then the area where the seat rail vibration acceleration exceeds the target vibration threshold is determined as the vehicle acceleration jitter area, such as Figure 6The acceleration jitter query map is shown. The area marked 1 in the query map is the vehicle acceleration jitter area. The vehicle acceleration jitter query map is integrated into the vehicle control software. Each driving mode corresponds to a vehicle acceleration jitter query map. Among them, the target vibration threshold is a pre-set vibration threshold, which is the maximum seat rail vibration acceleration value acceptable for acceleration jitter. This embodiment does not limit this.

[0082] This embodiment obtains the driving mode, vehicle torque requirement and vehicle height signal of the current vehicle; determines the driving data according to the driving mode, vehicle torque requirement and vehicle height signal; retrieves the acceleration jitter query map corresponding to the current vehicle according to the vehicle data of the current vehicle. In this way, the driving data of the current vehicle is obtained and collected, and combined with the acceleration jitter query map corresponding to different driving modes established in advance, the subsequent active suppression effect of vehicle body vibration is better.

[0083] In addition, an embodiment of the present invention further proposes a storage medium, on which a vehicle acceleration jitter active suppression program is stored. When the vehicle acceleration jitter active suppression program is executed by a processor, the steps of the vehicle acceleration jitter active suppression method described above are implemented.

[0084] Since the storage medium adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought by the technical solutions of the above embodiments, which will not be described one by one here.

[0085] Reference Figure 7 , Figure 7 This is a structural block diagram of the first embodiment of the vehicle acceleration vibration active suppression device of the present invention.

[0086] like Figure 7 As shown, the vehicle acceleration vibration active suppression device proposed in the embodiment of the present invention includes:

[0087] The data acquisition module 10 is used to obtain the driving data of the current vehicle and the acceleration jitter query map.

[0088] The state determination module 20 is used to determine the current driving state of the vehicle according to the driving data and the acceleration jitter query map.

[0089] The vibration suppression module 30 is used to adjust the body height of the current vehicle according to the driving data and the acceleration vibration query map to suppress the acceleration vibration of the vehicle body when the driving state is the acceleration vibration state.

[0090] This embodiment obtains the driving data and acceleration jitter query map of the current vehicle; determines the driving state of the current vehicle according to the driving data and the acceleration jitter query map; and when the driving state is the acceleration jitter state, adjusts the body height of the current vehicle according to the driving data and the acceleration jitter query map to suppress the acceleration jitter of the body. In this way, the driving state of the vehicle is determined according to the driving state of the current vehicle and the pre-built acceleration jitter query map, and the body height is automatically adjusted when the vehicle is in the acceleration jitter state to suppress the acceleration jitter of the body. There is no need to change the hardware structure, and the acceleration jitter can be improved at zero cost, which greatly shortens the research and development cycle and reduces the development cost.

[0091] In one embodiment, the data acquisition module 10 is also used to obtain the driving mode, vehicle required torque and vehicle height signal of the current vehicle; determine the driving data according to the driving mode, the vehicle required torque and the vehicle height signal; and retrieve the acceleration jitter query map corresponding to the current vehicle according to the vehicle data of the current vehicle.

[0092] In one embodiment, the data acquisition module 10 is also used to obtain driving mode information of the current vehicle, and determine a plurality of preset driving modes based on the driving mode information; perform tests according to each preset driving mode to determine seat rail vibration acceleration information and vehicle parameter information; and construct an acceleration jitter query map based on the seat rail vibration acceleration and vehicle parameter information.

[0093] In one embodiment, the data acquisition module 10 is further used to control the current vehicle to accelerate from a standstill according to a preset test strategy, and to measure the seat rail vibration acceleration information under each preset driving mode, as well as the vehicle required torque information and vehicle body height information corresponding to the seat rail vibration acceleration information; and to determine the vehicle parameter information according to the test required torque information and test vehicle body height information corresponding to the seat rail vibration acceleration information.

[0094] In one embodiment, the data acquisition module 10 is further used to determine the correspondence between the seat rail vibration acceleration and the vehicle required torque and vehicle body height according to the seat rail vibration acceleration information and the vehicle parameter information; and to construct an acceleration jitter query map according to the correspondence.

[0095] In one embodiment, the data acquisition module 10 is also used to construct a three-dimensional table based on the correspondence as an acceleration jitter correspondence table; use the area in the acceleration jitter correspondence table where the seat guide vibration acceleration is greater than the target vibration threshold as the vehicle acceleration jitter area; and construct an acceleration jitter query map based on the vehicle acceleration jitter area and the acceleration jitter correspondence table.

[0096] In one embodiment, the data acquisition module 10 is also used to determine the current vehicle body height according to the driving data when the current vehicle is in an acceleration jitter state; and to lower the height according to the current vehicle body height until the current vehicle is no longer in the vehicle acceleration jitter area of ​​the acceleration jitter query map.

[0097] It should be understood that the above is only an example and does not constitute any limitation on the technical solution of the present invention. In specific applications, technicians in this field can make settings as needed, and the present invention does not limit this.

[0098] It should be noted that the workflow described above is merely illustrative and does not limit the scope of protection of the present invention. In practical applications, technicians in this field can select part or all of them according to actual needs to achieve the purpose of the present embodiment, and no limitation is made here.

[0099] In addition, for technical details that are not described in detail in this embodiment, please refer to the vehicle acceleration jitter active suppression method provided in any embodiment of the present invention, and will not be repeated here.

[0100] In addition, it should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or system. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or system including the element.

[0101] The serial numbers of the above embodiments of the present invention are only for description and do not represent the advantages or disadvantages of the embodiments.

[0102] Through the description of the above implementation methods, those skilled in the art can clearly understand that the above-mentioned embodiment methods can be implemented by means of software plus a necessary general hardware platform, and of course by hardware, but in many cases the former is a better implementation method. Based on such an understanding, the technical solution of the present invention is essentially or the part that contributes to the prior art can be embodied in the form of a software product, which is stored in a storage medium (such as a read-only memory (ROM) / RAM, a magnetic disk, or an optical disk), and includes a number of instructions for a terminal device (which can be a mobile phone, a computer, a server, or a network device, etc.) to execute the methods described in each embodiment of the present invention.

[0103] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A method for actively suppressing vehicle acceleration jitter, characterized in that: The vehicle acceleration vibration active suppression method comprises: Obtain the current vehicle's driving mode, vehicle required torque and vehicle height signals; Determine driving data according to the driving mode, the vehicle required torque and the vehicle height signal; Retrieving an acceleration jitter query map corresponding to the current vehicle according to the vehicle data of the current vehicle; Before retrieving the acceleration jitter query map corresponding to the current vehicle according to the vehicle data of the current vehicle, the method further includes: Acquiring driving mode information of the current vehicle, and determining a plurality of preset driving modes according to the driving mode information; Performing tests according to each preset driving mode to determine seat rail vibration acceleration information and vehicle parameter information; Constructing an acceleration jitter query map according to the seat rail vibration acceleration and vehicle parameter information; Determining the driving state of the current vehicle according to the driving data and the acceleration jitter query map; When the driving state is an acceleration jitter state, the body height of the current vehicle is adjusted according to the driving data and the acceleration jitter query map to suppress body acceleration jitter.

2. The vehicle acceleration vibration active suppression method according to claim 1, characterized in that: The testing according to each preset driving mode to determine the seat rail vibration acceleration information and vehicle parameter information includes: Controlling the current vehicle to accelerate from rest according to a preset test strategy, and measuring seat rail vibration acceleration information under each preset driving mode, as well as vehicle required torque information and vehicle height information corresponding to the seat rail vibration acceleration information; The vehicle parameter information is determined according to the vehicle required torque information and the vehicle height information corresponding to the seat rail vibration acceleration information.

3. The vehicle acceleration vibration active suppression method according to claim 1, characterized in that: The step of constructing an acceleration jitter query map according to the seat vibration acceleration and vehicle parameter information includes: Determining a corresponding relationship between the seat rail vibration acceleration and the vehicle required torque and vehicle height according to the seat rail vibration acceleration information and the vehicle parameter information; An acceleration jitter query map is constructed according to the corresponding relationship.

4. The vehicle acceleration vibration active suppression method according to claim 3, characterized in that: The step of constructing an acceleration jitter query map according to the corresponding relationship includes: Constructing a three-dimensional table according to the corresponding relationship as an acceleration jitter corresponding relationship table; The area where the seat rail vibration acceleration in the acceleration-jitter correspondence table is greater than the target vibration threshold is used as the vehicle acceleration-jitter area; An acceleration jitter query map is constructed according to the vehicle acceleration jitter area and the acceleration jitter correspondence table.

5. The vehicle acceleration vibration active suppression method according to claim 1, characterized in that: When the driving state is an acceleration jitter state, adjusting the vehicle height of the current vehicle according to the driving data and the acceleration jitter query map to suppress the acceleration jitter of the vehicle body includes: When the current vehicle is in an acceleration jitter state, determining a current vehicle height according to the driving data; The height is lowered according to the current vehicle body height until the current vehicle is no longer in the vehicle acceleration jitter area of ​​the acceleration jitter query map.

6. A vehicle acceleration vibration active suppression device, characterized in that: The vehicle acceleration vibration active suppression device comprises: A data acquisition module, used to acquire a driving mode, a vehicle required torque and a vehicle height signal of a current vehicle; determine driving data according to the driving mode, the vehicle required torque and the vehicle height signal; and retrieve an acceleration jitter query map corresponding to the current vehicle according to the vehicle data of the current vehicle; The data acquisition module is further used to acquire driving mode information of the current vehicle, and determine a plurality of preset driving modes according to the driving mode information; perform tests according to each preset driving mode to determine seat rail vibration acceleration information and vehicle parameter information; and construct an acceleration jitter query map according to the seat rail vibration acceleration and vehicle parameter information; A state determination module, used to determine the current driving state of the vehicle according to the driving data and the acceleration jitter query map; The vibration suppression module is used to adjust the body height of the current vehicle according to the driving data and the acceleration vibration query map to suppress the acceleration vibration of the body when the driving state is an acceleration vibration state.

7. A vehicle acceleration vibration active suppression device, characterized in that: The vehicle acceleration jitter active suppression device includes: a memory, a processor, and a vehicle acceleration jitter active suppression program stored in the memory and running on the processor, and the vehicle acceleration jitter active suppression program is configured to implement the vehicle acceleration jitter active suppression method as described in any one of claims 1 to 5.

8. A storage medium, characterized in that: The storage medium stores a vehicle acceleration jitter active suppression program, and when the vehicle acceleration jitter active suppression program is executed by the processor, the vehicle acceleration jitter active suppression method as described in any one of claims 1 to 5 is implemented.

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