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Anti-slope-sliding control method and device and vehicle

A control method and vehicle technology, applied in the field of vehicles, can solve the problems of high cost, unfavorable vehicle safety performance, and unfavorable reduction of vehicle production cost, etc.

Active Publication Date: 2021-04-09
GREAT WALL MOTOR CO LTD
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Problems solved by technology

[0002] The current anti-slope technology usually includes ESP (Electronic Stability Program, vehicle body electronic stability system) slope stabilization technology and VCU (Vehicle control unit, vehicle controller) based slope stabilization control. The support of hardware devices means that the vehicle must be equipped with an ESP function device. Compared with the VCU-based slope stabilization control, the ESP slope stabilization technology requires a higher investment cost, which is not conducive to reducing the production cost of the vehicle; while the current VCU-based stabilization control Slope control usually only prevents slopes when the brake pedal is released. It cannot prevent slopes when the brake pedal is not stepped on, and cannot effectively avoid unsafe accidents. It is not conducive to improving the safety performance of the vehicle

Method used

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  • Anti-slope-sliding control method and device and vehicle
  • Anti-slope-sliding control method and device and vehicle

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Embodiment Construction

[0060] Specific embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present disclosure, and are not intended to limit the present disclosure.

[0061] Before introducing the specific implementation of the present disclosure in detail, the application scenarios of the present disclosure are described below. The present disclosure can be applied to anti-slope scenarios, for example, when the vehicle is on a slope, when the vehicle is on the slope, the weight of the vehicle However, a component force parallel to the downward slope is generated, that is, the slope resistance. In the case of improper control of the vehicle, the slope resistance will cause the vehicle to slide down the slope. The probability of safety accidents is relatively high. In order to avoid the occurrence of such unsafe conditions,...

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Abstract

The invention provides an anti-slope-sliding control method and device and a vehicle. The method comprises the steps of obtaining the current inclination angle of the vehicle; under the condition that it is determined that the vehicle is in the anti-slope-slipping working condition according to the inclination angle, if it is determined that the vehicle is not in the ESP stable slope state currently, obtaining the brake pedal opening degree of the vehicle; determining the current slope stabilizing torque according to the inclination angle and the opening degree of the brake pedal; and controlling a driving motor in the vehicle to output power according to the current slope stabilizing torque. Under the condition that it is determined that the vehicle is in the anti-slope-slipping working condition, the current slope stabilizing torque can be adjusted according to the inclination angle and the brake pedal opening degree, even if the brake pedal is not stepped on, a drive motor in the vehicle can be controlled to conduct power output according to the current slope stabilizing torque, slope slipping of the vehicle can be effectively prevented, and safety performance of a vehicle is enhanced.

Description

technical field [0001] The present disclosure relates to the technical field of vehicles, in particular, to a slope prevention control method, device and vehicle. Background technique [0002] The current anti-slope technology usually includes ESP (Electronic Stability Program, vehicle body electronic stability system) slope stabilization technology and VCU (Vehicle control unit, vehicle controller) based slope stabilization control. The support of hardware devices means that the vehicle must be equipped with an ESP function device. Compared with the VCU-based slope stabilization control, the ESP slope stabilization technology requires a higher investment cost, which is not conducive to reducing the production cost of the vehicle; while the current VCU-based stabilization control Slope control usually only prevents slopes when the brake pedal is released. It cannot prevent slopes when the brake pedal is not stepped on, and cannot effectively avoid unsafe accidents. It is no...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L15/20
CPCB60L15/2018B60L2240/423B60L2240/642Y02T10/72
Inventor 周秉福郝阳刘宇玲徐广杰刘震辉周德祥
Owner GREAT WALL MOTOR CO LTD
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