CN-122009057-A - Whole vehicle attitude switching method and system based on chassis domain control

CN122009057ACN 122009057 ACN122009057 ACN 122009057ACN-122009057-A

Abstract

The invention provides a whole vehicle posture switching method and system based on chassis domain control, and relates to the technical field of automobile control, wherein the method comprises the steps of starting a vehicle, starting a default whole vehicle posture and a driving mode linkage switch, and correspondingly adjusting the whole vehicle posture along with the driving mode; the method comprises the steps that a chassis domain controller is connected with a central gateway to receive and send various signals, after receiving a driving mode signal or a personalized gesture signal sent by a control screen, the chassis domain controller analyzes whether the existing state of each actuator accords with a corresponding chassis gesture or not through the personalized gesture signal, if so, the operation is not performed, if not, a control instruction is issued to the corresponding actuator, and the actuator adjusts according to the corresponding mode after receiving the control signal. The vehicle comfort of the user is improved, the problems that the signal redundancy of the whole vehicle is excessive and the operation efficiency of the controller is low are synchronously solved.

Inventors

ZHU YAWEI
ZHANG YONGKANG
ZHANG HAIYUAN
LI WEIDONG

Assignees

奇瑞汽车股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260330

Claims (10)

1. The whole vehicle posture switching method based on chassis domain control is characterized by comprising the following steps of: starting a vehicle, and starting a default whole vehicle posture and driving mode linkage switch, wherein the whole vehicle posture is correspondingly adjusted along with the driving mode; The method comprises the steps that a chassis domain controller is connected with a central gateway to receive and send various signals, after receiving a driving mode signal or a personalized gesture signal sent by a control screen, the chassis domain controller analyzes whether the existing state of each actuator accords with a corresponding chassis gesture or not through the personalized gesture signal, if so, the operation is not performed, if not, a control instruction is issued to the corresponding actuator, and the actuator adjusts according to the corresponding mode after receiving the control signal.
2. The method for switching the vehicle posture based on the chassis domain control according to claim 1, wherein a plurality of driving modes and the vehicle personalized postures are set, the number of the chassis postures is the sum of the number of the driving modes and the number of the vehicle personalized postures, and the chassis postures are stored in the chassis domain controller.
3. The method for switching the vehicle posture based on the chassis domain control of claim 2, wherein each chassis posture comprises a plurality of postures including EPS steering hand force, air suspension softness, air suspension stiffness, air spring height and brake pedal feel.
4. A method for switching the posture of a whole vehicle based on chassis domain control as claimed in claim 3, wherein the hand force of EPS steering comprises three modes of motion, comfort and portability, the degree of softness of the air suspension comprises three modes of hardness, standard and softness, the rigidity of the air suspension comprises three modes of big, moderate and small, and the feel of a brake pedal comprises three modes of off-road, motion and comfort.
5. The method for switching the posture of the whole vehicle based on the chassis domain control as claimed in claim 1, wherein the step of connecting the chassis domain controller with the central gateway to transmit and receive various signals comprises the following steps: Deleting the driving mode related switch signals sent by the central gateway and received by the EPS, the suspension, the air spring and the brake actuators, and setting the driving mode related switch signals received by the central gateway and forwarded by the chassis domain controller; deleting the driving mode signals sent by the central gateway and received by the EPS, the suspension, the air spring and the brake actuators, and setting the driving mode signals received by the gateway and forwarded by the chassis domain controller; deleting the personalized attitude customization signals sent by the central gateway and received by the EPS, the suspension, the air spring and the brake actuators, and setting the personalized attitude customization signals to be forwarded by the gateway and received by the chassis domain controller; And deleting mode signals fed back to the current self of the central gateway by the EPS, the suspension, the air spring and the brake actuators, and setting the mode signals fed back to the current mode signals of the controllers by the chassis domain controller.
6. The method for switching the posture of the whole vehicle based on the chassis domain control of claim 1, wherein, Analyzing whether the existing state of each actuator accords with the corresponding chassis gesture through the personalized gesture signal comprises the following steps: 1) When the switch related to the driving mode is opened, after receiving a driving mode signal, the chassis domain controller uniformly compares the current mode of each system with each actuator mode planned in the driving mode, sends a switching instruction to the actuator needing to change the mode, and after receiving the mode switching signal sent by the chassis domain controller, each actuator does not compare the current mode with the required mode any more and directly executes the mode switching; 2) When the switch related to the driving mode is closed, after receiving the personalized gesture customizing signal sent by the large screen, the chassis domain controller uniformly compares the current mode of each system with each actuator mode planned in the personalized gesture customizing, sends a switching instruction to the actuator needing to change the mode, and after receiving the mode switching signal sent by the chassis domain controller, each actuator does not compare the current mode with the required mode any more and directly executes the mode switching.
7. The utility model provides a whole car gesture switching system based on chassis domain accuse which characterized in that includes: the initialization module is used for starting the vehicle, defaulting the linkage switch of the whole vehicle posture and the driving mode to be started, and correspondingly adjusting the whole vehicle posture along with the driving mode; The control switching module is used for connecting the chassis domain controller with the central gateway to transmit and receive various signals, analyzing whether the existing state of each actuator accords with the corresponding chassis gesture or not through the personalized gesture signal after the chassis domain controller receives a driving mode signal or the personalized gesture signal sent by the control screen, if so, not operating, if not, issuing a control instruction to the corresponding actuator, and adjusting according to the corresponding mode after the actuator receives the control signal.
8. A computer program product comprising a computer program, characterized in that the computer program, when executed by a processor, implements a method for vehicle attitude switching based on chassis domain control according to any one of claims 1-6.
9. A non-transitory computer readable storage medium for storing computer instructions which, when executed by a processor, implement a chassis domain control based overall vehicle attitude switching method as claimed in any one of claims 1 to 6.
10. An electronic device, comprising a processor, a memory, and a computer program, wherein the processor is connected to the memory, the computer program is stored in the memory, and when the electronic device is running, the processor executes the computer program stored in the memory, so that the electronic device executes a method for implementing the chassis domain control-based whole vehicle posture switching method according to any one of claims 1-6.

Description

Whole vehicle attitude switching method and system based on chassis domain control Technical Field The disclosure relates to the technical field of automobile control, in particular to a method and a system for switching the posture of a whole automobile based on chassis domain control. Background The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art. With the development of economy and the increasing maturity of intelligent technologies in the automotive field, people have a higher and higher driving demand for automobiles. The chassis is one of the most important parts of the automobile, and the comfort brought to the user is particularly important. At present, the host computer plant mostly adopts an upper computer to send signals to the gateway, then the gateway sends signals to each actuator of the chassis, each actuator of the chassis sends signals to the gateway after logic judgment, and the gateway forwards the signals to the upper computer. The method has the problems of excessive signal redundancy and low operation efficiency of the controller. Disclosure of Invention In order to solve the problems, the present disclosure provides a method and a system for switching the posture of a whole vehicle based on chassis domain control, which reduce signal interaction among EPS, suspension, air springs, brake controllers and gateways, and change the unified signal transceiving with a central gateway by a chassis domain controller. According to some embodiments, the present disclosure employs the following technical solutions: a whole vehicle attitude switching method based on chassis domain control comprises the following steps: starting a vehicle, and starting a default whole vehicle posture and driving mode linkage switch, wherein the whole vehicle posture is correspondingly adjusted along with the driving mode; The method comprises the steps of connecting a chassis domain controller with a central gateway to receive and send various signals, analyzing whether the existing state of each actuator accords with a corresponding chassis gesture through the personalized gesture signal after the chassis domain controller receives a driving mode signal or a personalized gesture signal sent by a control screen, if so, not operating, and if not, issuing a control instruction to the corresponding actuator, and adjusting the actuators according to the corresponding modes after receiving the control signal. According to some embodiments, the present disclosure employs the following technical solutions: an entire vehicle attitude switching system based on chassis domain control, comprising: the initialization module is used for starting the vehicle, defaulting the linkage switch of the whole vehicle posture and the driving mode to be started, and correspondingly adjusting the whole vehicle posture along with the driving mode; The control switching module is used for connecting the chassis domain controller with the central gateway to transmit and receive various signals, analyzing whether the existing state of each actuator accords with the corresponding chassis gesture or not through the personalized gesture signal after the chassis domain controller receives a driving mode signal or the personalized gesture signal sent by the control screen, if so, not operating, if not, issuing a control instruction to the corresponding actuator, and adjusting according to the corresponding mode after the actuator receives the control signal. According to some embodiments, the present disclosure employs the following technical solutions: A computer program product, comprising a computer program which when executed by a processor realizes the whole vehicle posture switching method based on chassis domain control. According to some embodiments, the present disclosure employs the following technical solutions: a non-transitory computer readable storage medium, where the non-transitory computer readable storage medium is configured to store computer instructions, where the computer instructions, when executed by a processor, implement the method for switching vehicle gestures based on chassis domain control. According to some embodiments, the present disclosure employs the following technical solutions: The electronic equipment comprises a processor, a memory and a computer program, wherein the processor is connected with the memory, the computer program is stored in the memory, and when the electronic equipment runs, the processor executes the computer program stored in the memory so as to enable the electronic equipment to execute the whole vehicle posture switching method based on chassis domain control. Compared with the prior art, the beneficial effects of the present disclosure are: According to the whole vehicle posture switching method based on chassis domain control, after a vehicle is started, a default whole vehicle posture and dri