Brake control method and device and vehicle
A brake control and vehicle technology, applied in the field of vehicles, can solve the problems of high research and development cost, complex structure, and many parts involved, and achieve the effect of simple design and easy realization.
Active Publication Date: 2016-11-16
BEIJING CHJ AUTOMOTIVE TECH CO LTD
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AI Technical Summary
Problems solved by technology
The AEB system generates braking action by controlling the brake pedal, controls the braking effect and transmits the braking energy to the brake (such as drum brake, disc brake, etc.) type brakes, etc.), involving many components, complex structure, and high research and development costs
Method used
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specific Embodiment
[0056] Embodiments of the present invention provide a vehicle control method, a brake control device and a vehicle, and control a motor of the vehicle to generate a braking force for braking the vehicle, thereby realizing active braking. Specific examples are as follows:
[0057] figure 1 It is a schematic flowchart of a vehicle control method in an embodiment of the present invention. figure 1 The method is used for vehicles powered by electric motors and is performed by the brake control device. It should be understood that the vehicle may be a pure electric vehicle or a hybrid electric vehicle, which is not limited in this embodiment of the present invention. In a specific application, the braking control device may be a smart chip, or a control system on a vehicle, and so on. The method may include the following.
[0058] 110. Acquire motion data of the vehicle during running of the vehicle, where the motion data is used to describe road condition information around th...
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The invention provides a brake control method and device and a vehicle. The method includes the steps that in the vehicle running process, motion data of the vehicle are obtained and used for describing information of the road condition around the vehicle and running information of the vehicle; according to the motion data, whether the vehicle needs to be actively braked or not is determined; under the condition that the vehicle needs to be actively braked, a brake control command is generated and used for controlling a motor to generate brake force used for braking the vehicle; and according to the brake control command, brake control over the vehicle is achieved. By the adoption of the technical scheme of the embodiment, the characteristic that an electric vehicle is electrically driven is used, the motor is controlled to generate the brake force used for braking the vehicle, the situation that brake energy is transmitted to a brake through a transmission device is not needed, design is simple, and implementation is easy.
Description
technical field [0001] Embodiments of the present invention relate to the field of vehicles, and more specifically, to a brake control method, device and vehicle. Background technique [0002] At present, the urban traffic environment is extremely complex, and some unexpected situations may occur at any time during driving, such as sudden braking of the vehicle in front, sudden congestion of side vehicles, pedestrians suddenly breaking into the front of the driving route, etc., making it difficult for drivers of vehicles behind to move quickly. Make a braking action. Therefore, there is a need for a braking system capable of braking independently of the driver's operation. In order to distinguish the types of braking of the vehicle, the braking of the vehicle independent of the driver's operation is called active braking, and the braking of the vehicle due to the driver's braking operation is called passive braking. [0003] In order to solve the above problems, the target...
Claims
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Patent Timeline
Login to View More IPC IPC(8): B60T7/12
CPCB60T7/12
Inventor 马东辉刘涛
Owner BEIJING CHJ AUTOMOTIVE TECH CO LTD