Electromechanical braking method and electromechanical braking device
An electromechanical brake and brake control technology, applied in the field of vehicles, can solve problems such as potential safety hazards and failure to meet safety requirements, and achieve the effect of improving safety and improving the effect of brake control
Inactive Publication Date: 2021-03-30
HUAWEI TECH CO LTD
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Problems solved by technology
This also puts forward higher requirements for the safety of vehicle control. Although the existing electromechanical braking system has higher safety than the hydraulic braking system, it still cannot meet the current higher safety requirements. , especially once the brake control unit of the EMB system fails or fails, it will bring serious safety hazards
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[0044] The electromechanical braking method and / or device provided in the embodiments of the present application can be applied to various types of vehicles. These methods and / or devices can be applied to manual driving, assisted driving, and automatic driving. The technical solutions of the embodiments of the present application will be introduced below with reference to the accompanying drawings.
[0045] figure 1 It is a functional block diagram of a vehicle to which the embodiment of this application applies. Wherein, the vehicle 100 may be a human-driven vehicle, or the vehicle 100 may be configured in a fully or partially automatic driving mode.
[0046] In one example, the vehicle 100 can control the own vehicle while in the automatic driving mode, and can determine the current state of the vehicle and its surrounding environment through human operation, determine the possible behavior of at least one other vehicle in the surrounding environment, and A confidence le...
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The invention provides an electromechanical braking method and an electromechanical braking device. The method and device are suitable for intelligent automobiles, new energy automobiles or traditional automobiles and the like. The method comprises the steps that state information of a first control unit is obtained, the state information is used for indicating whether the first control unit worksnormally or not, and the first control unit is used for conducting brake control over a vehicle; and when the state information indicates that the first control unit cannot work normally, the secondcontrol unit is used for conducting brake control over the vehicle. According to the scheme, the multiple control units are used for achieving electronic and mechanical brake control, and therefore when one control unit fails, other control units can be used for continuing to conduct control, redundant brake is achieved, the brake control effect is effectively improved, and the safety of vehicle control is improved.
Description
technical field [0001] The present application relates to the technical field of vehicles, and more particularly, to an electromechanical braking method and an electromechanical braking device in a vehicle. Background technique [0002] The braking system of a vehicle is a system that applies a certain braking force to the wheels of the vehicle to perform a certain degree of forced braking. The function of the brake control system is to make the driving vehicle decelerate or even stop forcibly according to the requirements of the driver or the controller, or to make the stopped car stably park under various road conditions (for example, on a slope), or Keep the vehicle speed steady when driving downhill. [0003] Traditional brake systems often use hydraulic brakes, but hydraulic brakes have problems such as cumbersome layout, slow response, low energy efficiency, and high-redundancy hydraulic systems are expensive. Therefore, an electronic mechanical braking (EMB) system ...
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IPC IPC(8): B60T8/58
CPCB60T8/58B60T17/22B60T8/885B60T2270/413B60T2220/04B60T2270/402B60T13/746B60T2201/022B60T2250/03B60T2250/042
Inventor 张海洋
Owner HUAWEI TECH CO LTD