CN-121989856-A - Vehicle control method and vehicle

Abstract

The application provides a vehicle control method and a vehicle, and relates to the technical field of vehicle control. The method comprises the steps of obtaining state data of a vehicle and passenger data and environment data in the vehicle when the vehicle collides, determining the comprehensive safety state of the vehicle after collision according to the state data, the passenger data and the environment data, obtaining a coordinated emergency control strategy set for a plurality of systems of the vehicle based on the comprehensive safety state of the vehicle, and executing each emergency control strategy in the emergency control strategy set according to a preset execution sequence. The vehicle, the passengers and the environment are comprehensively considered from multiple dimensions by fusing the multi-source data, the obtained emergency control strategy set is more comprehensive and effective, and the cooperative control of each emergency control strategy can be rapidly realized by comprehensively executing the time and the control logic and making a unified decision, so that the optimal escape window is fully utilized, the passengers in the vehicle can escape and avoid danger efficiently and accurately, the escape efficiency is improved, and the life safety of the passengers in the vehicle is ensured.

Inventors

• LIU XIXIN
• Xing Chengzhen

Assignees

• 长城汽车股份有限公司

Dates

Publication Date

20260508

Application Date

20260320

Claims (10)

1. 1.A vehicle control method characterized by comprising: when a vehicle collides, acquiring state data of the vehicle, and passenger data and environment data in the vehicle; Determining a comprehensive safety state of the vehicle after collision according to the state data, the passenger data and the environment data; Based on the comprehensive safety state of the vehicle, obtaining an emergency control strategy set cooperated with a plurality of systems of the vehicle; and executing each emergency control strategy in the emergency control strategy set according to a preset execution sequence.
2. 2. The vehicle control method according to claim 1, characterized in that the vehicle integrated safety state includes a vehicle safety state, an occupant mobility state, and an in-vehicle environment risk state; the obtaining the emergency control strategy set cooperated with the vehicle multi-system based on the comprehensive safety state of the vehicle comprises the following steps: based on the vehicle safety state, the passenger mobility state and the vehicle internal environment risk state, respectively obtaining corresponding initial control strategies; And obtaining an emergency control strategy set cooperated with the multiple systems of the vehicle according to each initial control strategy and each system cooperated logic of the vehicle.
3. 3. The vehicle control method according to claim 2, characterized in that the vehicle safety state includes a battery thermal runaway level; Based on the vehicle safety state, a corresponding initial control strategy is obtained, comprising: If the battery thermal runaway level is the first level, determining a corresponding initial control strategy to give an alarm for battery thermal runaway; if the battery thermal runaway level is the second level, determining a corresponding initial control strategy to cut off high-voltage power supply of the vehicle; If the battery thermal runaway level is three-level, determining a corresponding initial control strategy to cut off high-voltage power supply of the vehicle, spray inert gas in a battery pack, simulate a thermal diffusion path and display a simulated path; Wherein the severity of the primary, secondary and tertiary increases in sequence.
4. 4. The vehicle control method according to claim 2, characterized in that the vehicle safety state includes a vehicle posture and a degree of deformation of a door; Based on the vehicle safety state, a corresponding initial control strategy is obtained, comprising: Judging whether the vehicle posture is inverted; If the vehicle posture is inverted, determining a corresponding initial control strategy to control the vehicle window to be broken; if the vehicle posture is not inverted and the deformation degree of the vehicle door indicates that the vehicle door cannot be opened, determining a corresponding initial control strategy to control the breakage of the vehicle window; If the vehicle posture is not inverted and the deformation degree of the vehicle door indicates that the vehicle door can be opened, determining a corresponding initial control strategy to control the opening of the vehicle door.
5. 5. The vehicle control method according to claim 2, characterized in that the vehicle security state includes a vehicle surrounding road condition; Based on the vehicle safety state, a corresponding initial control strategy is obtained, comprising: Generating an escape path according to the road state around the vehicle and the motion state of surrounding vehicles; And determining a corresponding initial control strategy to display the escape path, wherein the escape path comprises a vehicle escape outlet and a risk level.
6. 6. The vehicle control method according to claim 2, characterized in that the vehicle safety state includes a degree of collision; Based on the vehicle safety state, a corresponding initial control strategy is obtained, comprising: judging whether the collision degree is larger than a preset collision threshold value or not; and if the collision degree is greater than the preset collision threshold value, determining that the corresponding initial control strategy is to cut off the high-voltage power supply of the vehicle.
7. 7. The vehicle control method according to claim 2, characterized in that the in-vehicle environmental risk state includes a smoke risk degree; Based on the passenger mobility state and the in-vehicle environment risk state, respectively obtaining corresponding initial control strategies, wherein the initial control strategies comprise: Judging whether the passenger mobility state is a coma or movement limitation state, and if the passenger mobility state is the coma or movement limitation state, determining a corresponding initial control strategy to control the corresponding seat to slide backwards and the corresponding safety belt to release; Judging whether the smoke risk degree is larger than a preset degree threshold, if so, determining that the corresponding initial control strategy is to start the ventilation system and start emergency lamps at the vehicle door and the vehicle window.
8. 8. The vehicle control method according to claim 2, wherein the obtaining the set of coordinated emergency control strategies for the multiple systems of the vehicle according to each initial control strategy and each system coordination logic of the vehicle includes: combining the cooperative logic of each system of the vehicle, and performing compatibility verification on each initial control strategy; based on the verification result, the initial control strategy of the conflict is adjusted, and an emergency control strategy set cooperated with the multiple systems of the vehicle is obtained.
9. 9. The vehicle control method according to any one of claims 1 to 8, characterized in that the executing each of the set of emergency control strategies in a preset execution order includes: Based on the emergency control strategy set, obtaining single emergency control strategies which are arranged in sequence according to the preset execution sequence; And controlling a system corresponding to the vehicle according to the single emergency control strategy arranged in sequence.
10. 10. A vehicle comprising a memory and a controller, the memory having stored therein a computer program executable on the controller, wherein the controller implements the vehicle control method according to any one of claims 1 to 9 when the computer program is executed.

Description

Vehicle control method and vehicle Technical Field The application relates to the technical field of vehicle control, in particular to a vehicle control method and a vehicle. Background After a serious collision of the vehicle, the golden escape period only exists in a very short time after the collision. Therefore, the short period of time is effectively utilized, and is a key for guaranteeing the safety escape of passengers in the vehicle. In the related art, each emergency function response after the collision of the vehicle is fragmented, and effective emergency treatment measures are lacked, so that an optimal escape window is delayed, passengers in the vehicle cannot escape accurately, and finally the escape efficiency of the passengers in the vehicle is low. Disclosure of Invention The embodiment of the application provides a vehicle control method and a vehicle, which are used for solving the technical problems that the response of each emergency function is fragmented after the collision of the vehicle in the related art, and the escape efficiency of passengers in the vehicle is low due to the lack of effective emergency treatment measures. In a first aspect, an embodiment of the present application provides a vehicle control method, including: when a vehicle collides, acquiring state data of the vehicle, and passenger data and environment data in the vehicle; Determining a comprehensive safety state of the vehicle after collision according to the state data, the passenger data and the environment data; Based on the comprehensive safety state of the vehicle, obtaining an emergency control strategy set cooperated with a plurality of systems of the vehicle; and executing each emergency control strategy in the emergency control strategy set according to a preset execution sequence. According to the embodiment of the application, when a vehicle collides, the comprehensive safety state of the vehicle after collision is determined according to the state data of the vehicle, the passenger data and the environment data in the vehicle, and then the comprehensive safety state of the vehicle is based on the comprehensive safety state of the vehicle, so that the emergency control strategy set matched with a plurality of systems of the vehicle is obtained, the vehicle, the passengers and the environment conditions are comprehensively considered from multiple dimensions due to the fusion of the multi-source data, the obtained emergency control strategy set is more comprehensive and effective, then each emergency control strategy in the set is executed according to the preset execution sequence, the cooperative control of each emergency control strategy can be rapidly realized by comprehensively executing the timing and the control logic and uniformly deciding, the problems of improper execution timing and the like caused by independent triggering and fragmentation response of each emergency function are solved, the optimal escape window is fully utilized, the passengers in the vehicle can efficiently and accurately escape, the life safety of the passengers in the vehicle is ensured to the maximum extent. In one possible implementation, the vehicle integrated safety state includes a vehicle safety state, an occupant mobility state, and an in-vehicle environmental risk state; the obtaining the emergency control strategy set cooperated with the vehicle multi-system based on the comprehensive safety state of the vehicle comprises the following steps: based on the vehicle safety state, the passenger mobility state and the vehicle internal environment risk state, respectively obtaining corresponding initial control strategies; And obtaining an emergency control strategy set cooperated with the multiple systems of the vehicle according to each initial control strategy and each system cooperated logic of the vehicle. In the embodiment of the application, the matched initial control strategies are respectively determined according to the states of different dimensions, so that each initial control strategy is more suitable for the actual conditions of the vehicle, passengers and the environment, and the pertinence and the rationality of emergency control are improved. Meanwhile, all initial control strategies are adjusted and integrated by combining all system cooperative logic, so that mutual conflict among all initial control strategies can be avoided, and the finally obtained emergency control strategy set has pertinence and cooperativity. In one possible implementation, the vehicle safety state includes a battery thermal runaway level; Based on the vehicle safety state, a corresponding initial control strategy is obtained, comprising: If the battery thermal runaway level is the first level, determining a corresponding initial control strategy to give an alarm for battery thermal runaway; if the battery thermal runaway level is the second level, determining a corresponding initial control strategy to cut off high-volt