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Vehicle braking method and device based on vehicle weight and gradient self-adaption and medium

A vehicle braking and self-adaptive technology, applied in the direction of control devices, etc., can solve the problems of non-braking safety distance and self-adaptive control of brake pedal force, and achieve the effect of reducing the amount of calculation and saving installation costs

Active Publication Date: 2021-06-04
BEIJING INSTITUTE OF TECHNOLOGYGY +1
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Problems solved by technology

[0005] In view of the problems existing in the above-mentioned prior art, the embodiment of the present application proposes a vehicle braking method, device and medium based on vehicle weight and gradient self-adaptation, which solves the problem that the existing emergency braking system cannot Adaptive Control of Brake Safety Distance and Brake Pedal Force

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  • Vehicle braking method and device based on vehicle weight and gradient self-adaption and medium
  • Vehicle braking method and device based on vehicle weight and gradient self-adaption and medium
  • Vehicle braking method and device based on vehicle weight and gradient self-adaption and medium

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[0027] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0028] In the actual driving process of the vehicle, if the impact of the vehicle weight or the slope of the road on the braking safety distance is not considered, it is easy to cause false triggering or delayed triggering of the emergency braking system, resulting in dangerous driving of the vehicle; it is considered by the way set by the driver Vehi...

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Abstract

The invention provides a vehicle braking method and device based on vehicle weight and gradient self-adaption and a medium. The method comprises the following steps: determining a first forgetting factor corresponding to vehicle weight data and a second forgetting factor corresponding to road slope data; obtaining a forgetting vector; based on the forgetting vector and a preset recursive least square method with a forgetting factor, constructing a corresponding vehicle weight and road slope estimation model; obtaining vehicle weight estimation data and road slope estimation data at the current moment according to the driving state parameters and the vehicle performance parameters of the vehicle at the current moment and the vehicle weight and road slope estimation model; and according to the vehicle weight estimation data and the road slope estimation data at the current moment, determining the brake pedal force and the brake safety distance of the vehicle at the current moment, and conducting vehicle braking based on the brake pedal force and the brake safety distance. Therefore, an emergency braking system can carry out self-adaptive control on the braking safety distance and the braking pedal force according to the vehicle center and slope conditions.

Description

technical field [0001] The present application relates to the technical field of vehicle braking, in particular to a vehicle braking method, device and medium based on vehicle weight and gradient adaptation. Background technique [0002] Automatic emergency braking system (AEB) is one of the functions of advanced driver assistance systems (ADAS) widely used at present. , to determine whether there is a collision risk. When the AEB system judges that the distance between the vehicle and the vehicle in front is too close and a collision may occur, it will give the driver a collision warning, or automatically intervene to perform partial or full braking. The vehicle distance when the AEB system intervenes in braking is the braking distance. Move a safe distance. [0003] How to accurately determine the braking safety distance based on the information sent back by the sensor is the core technology that determines the performance index of the AEB system. To ensure that the AEB...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W30/18B60W40/076B60W40/13B60W50/00
CPCB60W30/18109B60W40/076B60W40/13B60W50/00B60W2050/0019
Inventor 孔令兴陈雪梅韩欣彤郭坤祝宝营杨东清孙静鲁四龙高礼刘晓慧杨鹏黄琰田瑞丰沈凯
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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