CN-121973734-A - Low-speed off-vehicle safety control method, device, equipment and storage medium

CN121973734ACN 121973734 ACN121973734 ACN 121973734ACN-121973734-A

Abstract

The application provides a low-speed vehicle-leaving safety control method, device, equipment and storage medium, which are characterized in that the vehicle-leaving intention of a driver is determined according to multi-source driving sensing information and the state of a vehicle key controller by acquiring the multi-source driving sensing information and the state of the vehicle key controller, when the vehicle-leaving intention is that the vehicle leaves in the driving process, the current speed of the vehicle is acquired, if the current speed of the vehicle is in a preset low-speed threshold range, the corresponding low-speed vehicle-leaving control strategy is matched according to the current speed of the vehicle, and the vehicle parking operation is executed according to the corresponding low-speed vehicle-leaving control strategy.

Inventors

QIAN ZHONGLIANG
MA HUIBIN
FENG DENGRONG
YANG HANG
DU TAO

Assignees

重庆长安凯程汽车科技有限公司

Dates

Publication Date: 20260505
Application Date: 20260320

Claims (12)

1. The low-speed vehicle-leaving safety control method is characterized by comprising the following steps of: acquiring multisource driving sensing information of a vehicle and a state of a key controller of the vehicle; determining the departure intention of a driver according to the multi-source driving sensing information and the state of the key controller of the vehicle; When the vehicle leaving intention is that the vehicle leaves the vehicle in the driving process, the current speed of the vehicle is obtained; And if the current speed of the vehicle is within a preset low-speed threshold range, triggering a safety maintenance operation, wherein the safety maintenance operation comprises matching a corresponding low-speed vehicle-leaving control strategy according to the current speed of the vehicle, and executing a vehicle parking operation according to the corresponding low-speed vehicle-leaving control strategy.
2. The low-speed off-vehicle safety control method according to claim 1, wherein the multi-source driving sensor information includes door sensor information, seat belt sensor information, brake pedal sensor information, accelerator pedal sensor information, and gear sensor information, and the vehicle key controller states include an ignition switch state and an electronic parking brake state.
3. The low-speed off-vehicle safety control method according to claim 2, wherein determining the off-vehicle intention of the driver from the multi-source driving sensor information and the vehicle key controller state includes: If the vehicle door sensing information is that a vehicle door is opened, the safety belt sensor information is that a safety belt is unlocked, the brake pedal sensing information is that a brake pedal is released, and the accelerator pedal sensing information is that an accelerator pedal is released, determining that the multi-source driving sensing information meets the departure intention; if the ignition switch state is a vehicle ignition state and the electronic parking brake state is a release state, determining that the vehicle key controller state meets the departure intention; When the multi-source driving sensing information meets the departure intention and the state of the key controller of the vehicle meets the departure intention, determining that the departure intention of the driver is the departure vehicle in the driving process.
4. The low-speed off-vehicle safety control method according to claim 3, wherein determining the off-vehicle intention of the driver from the multi-source driving sensor information and the vehicle key controller state further comprises: If any one of the door sensing information is door closing, the safety belt sensor information is safety belt locking, the brake pedal sensing information is brake pedal working or the accelerator pedal sensing information is accelerator pedal working exists, determining that the sensing information does not meet the leaving intention; if the ignition switch state is a vehicle flameout state or the electronic parking brake state is any one of the brake states, determining that the controller does not meet the leaving intention; If the presence sensing information does not satisfy the departure intention, or the controller does not satisfy any of the departure intentions, determining that the departure intention of the driver is to keep driving.
5. The low-speed off-vehicle safety control method according to claim 1, further comprising, before matching the corresponding low-speed off-vehicle control strategy according to the current vehicle speed: Acquiring an upper speed threshold value of an automatic cut-in parking gear and an upper speed threshold value of an electronic parking brake system activation, wherein the upper speed threshold value of the automatic cut-in parking gear is smaller than the upper speed threshold value of the electronic parking brake system activation, the upper speed threshold value of the automatic cut-in parking gear is larger than the minimum speed value in the preset low speed threshold range, and the upper speed threshold value of the electronic parking brake system activation is smaller than the maximum speed value in the preset low speed threshold range; Dividing a speed interval which is larger than or equal to a speed minimum value in the preset low-speed threshold range and smaller than or equal to an upper speed threshold of automatically switching into a parking gear into a first speed interval; dividing a speed interval which is larger than an upper speed limit threshold value for automatically switching into a parking gear and smaller than or equal to an upper speed limit threshold value for activating an electronic parking brake system into a second speed interval; And dividing a speed interval which is larger than the upper speed threshold value of the activation of the electronic parking brake system and smaller than or equal to the maximum speed value in the preset low speed threshold value range into a third speed interval.
6. The low-speed off-vehicle safety control method according to claim 5, wherein matching the corresponding low-speed off-vehicle control strategy according to the current vehicle speed of the vehicle comprises: And if the current speed of the vehicle is in the first speed interval, determining a first control strategy as a corresponding low-speed off-vehicle control strategy, wherein the first control strategy comprises controlling a transmission of the vehicle to be switched to a parking gear.
7. The low-speed off-vehicle safety control method according to claim 5, wherein matching the corresponding low-speed off-vehicle control strategy according to the current vehicle speed of the vehicle comprises: And if the current speed of the vehicle is in the second speed interval, determining a second control strategy as a corresponding low-speed off-vehicle control strategy, wherein the second control strategy comprises the steps of controlling an electronic parking brake system of the vehicle to execute parking braking and controlling a transmission of the vehicle to be switched to a parking gear.
8. The low-speed off-vehicle safety control method according to claim 5, wherein matching the corresponding low-speed off-vehicle control strategy according to the current vehicle speed of the vehicle comprises: and if the current speed of the vehicle is in the third speed interval, determining a third control strategy as a corresponding low-speed off-vehicle control strategy, wherein the third control strategy comprises the steps of decelerating the vehicle through an electronic brake deceleration function, and when the current speed of the vehicle is reduced to the second speed interval, controlling an electronic parking brake system of the vehicle to execute parking brake and controlling a transmission of the vehicle to be switched to a parking gear.
9. The low-speed off-vehicle safety control method according to any one of claims 1 to 8, wherein the preset low-speed threshold range is 0 km/h or more and 15 km/h or less.
10. A low-speed off-vehicle safety control device, characterized in that the low-speed off-vehicle safety control device comprises: the vehicle data acquisition module is used for acquiring multisource driving sensing information of the vehicle and the state of a key controller of the vehicle; The driving intention determining module is used for determining the vehicle-leaving intention of a driver according to the multi-source driving sensing information and the state of the key controller of the vehicle; And the safety maintenance execution module is used for acquiring the current speed of the vehicle when the vehicle is away from the vehicle in the driving process, and triggering the safety maintenance operation if the current speed of the vehicle is within the preset low-speed threshold range, wherein the safety maintenance operation comprises the steps of matching the corresponding low-speed vehicle-away control strategy according to the current speed of the vehicle and executing the vehicle parking operation according to the corresponding low-speed vehicle-away control strategy.
11. An electronic device, comprising: One or more processors; Storage means for storing one or more programs that, when executed by the one or more processors, cause the electronic device to implement the method of any of claims 1-9.
12. A computer-readable storage medium having stored thereon computer-readable instructions, comprising: the computer readable instructions, when executed by a processor of a computer, cause the computer to perform the method of any one of claims 1 to 9.

Description

Low-speed off-vehicle safety control method, device, equipment and storage medium Technical Field The present application relates to the field of vehicle safety control technologies, and in particular, to a low-speed vehicle-leaving safety control method, apparatus, device, and storage medium. Background With the continuous development of automobile electronic control technology, the active safety performance of the automobile has become one of important indexes for measuring the quality of the automobile. In the running process of the vehicle, the situation that the driver needs to leave the vehicle temporarily due to sudden reasons occurs, such as checking the traffic jam condition, processing the sudden collision event and the like, particularly under the low-speed running or the traffic jam condition, the driver is in a tension state and a dysphoria state and can choose to directly open the door to get off the vehicle, and under the working condition, the situation that the vehicle cannot slip or run away after the driver leaves the vehicle is ensured, so that the vehicle is a core working condition processing strategy to be solved. If the vehicle is abandoned and separated in the current driving process, the transmission control unit is directly and automatically switched to the parking gear to lock the vehicle, so that the vehicle is prevented from moving. However, in practical applications, automatic parking gear shifting is usually only allowed when the vehicle speed is very low or the vehicle is stationary, and when the vehicle speed exceeds the threshold value, the parking gear shifting is forbidden or delayed due to protection of the mechanical structure of the transmission, and if the parking gear shifting is forcibly shifted at a higher vehicle speed, the locking mechanism of the transmission may be damaged, and even the risk of vehicle runaway is caused. In addition, the method also relates to the addition of early warning in part of the realization process to prompt the driver to park manually, but the method only plays a role of early warning, and basically depends on the active response of the driver, and cannot cover the condition that the driver does not respond, and the safe braking and parking after leaving the vehicle cannot be ensured. Disclosure of Invention The embodiment of the application aims to provide a low-speed vehicle-leaving safety control method, a low-speed vehicle-leaving safety control device, low-speed vehicle-leaving safety control equipment and a storage medium, so as to solve the technical problems. The application provides a low-speed vehicle-leaving safety control method which comprises the steps of obtaining multi-source driving sensing information of a vehicle and a vehicle key controller state, determining the vehicle-leaving intention of a driver according to the multi-source driving sensing information and the vehicle key controller state, obtaining the current vehicle speed of the vehicle when the vehicle-leaving intention is that the vehicle is left in a driving process, triggering a safety maintenance operation if the current vehicle speed of the vehicle is in a preset low-speed threshold range, and executing a vehicle parking operation according to the corresponding low-speed vehicle-leaving control strategy by matching the current vehicle speed of the vehicle. In an embodiment of the present application, the multi-source driving sensor information includes door sensor information, seat belt sensor information, brake pedal sensor information, accelerator pedal sensor information, and gear sensor information, and the vehicle key controller states include an ignition switch state and an electronic parking brake state. In one embodiment of the application, determining the vehicle departure intention of the driver according to the multi-source driving sensing information and the vehicle key controller state comprises determining that the multi-source driving sensing information meets the departure intention if the vehicle door sensing information is a vehicle door open state, the safety belt sensing information is a safety belt open state, the brake pedal sensing information is a brake pedal release state and the accelerator pedal sensing information is an accelerator pedal release state, determining that the vehicle key controller state meets the departure intention if the ignition switch state is a vehicle ignition state and the electronic parking brake state is a release state, and determining that the vehicle departure intention of the driver is a driving process when the multi-source driving sensing information meets the departure intention and the vehicle key controller state meets the departure intention. In an embodiment of the application, the vehicle-leaving intention of the driver is determined according to the multi-source driving sensing information and the state of the vehicle key controller, and the vehicle-leaving intention determining method