具有用于电动车辆及具有3级(had)至4级(fad)自主驾驶的车辆的压力供应的冗余制动系统

文档序号:39048 发布日期:2021-09-24 浏览:39次 >En<

阅读说明:本技术 具有用于电动车辆及具有3级(had)至4级(fad)自主驾驶的车辆的压力供应的冗余制动系统 (Redundant braking system with pressure supply for electric vehicles and vehicles with 3-stage (HAD) to 4-stage (FAD) autonomous driving ) 是由 托马斯·莱贝尔 于 2019-12-20 设计创作,主要内容包括:本发明涉及用于车辆的制动系统,包括以下部件:至少一个液压制动回路(BK1、BK2),每个液压制动回路具有至少一个液压操作的车轮制动器(RB1、RB2、RB3、RB4、H-EMB);压力供应装置(DV1、DV2),该压力供应装置用于控制车轮制动器(RB1-RB4、H-EMB)中压力,这些车轮制动器由电动马达驱动器(M1、M2)驱动,主制动装置另外包括至少一个电子开环和闭环控制装置(DV ECU1、DV ECU2)和具有阀的阀组件(HCU),该阀用于设置车轮特定制动压力和/或将车轮制动器(RB1、RB2、RB3、RB4、H-EMB)与压力供应装置(DV1、DV2)断开或将该车轮制动器与该压力供应装置连接;活塞-气缸单元(HZ),该活塞-气缸单元可以通过致动装置(BE)、特别是以制动踏板的形式的致动装置(BE)来致动,并且该活塞-气缸单元连接至或可以连接至至少一个液压制动回路;至少一个制动单元(BA),特别是连接至功率大于或等于30千瓦的电动驱动马达(TM)、电动驻车制动器(EPB)、液压支持机电制动器(H-EMB)和/或机电制动器(EMB);至少一个电动驱动马达(TM1、TM2),该电动驱动马达用于车辆的至少一个轴或一个车轮,该电动驱动马达用于驱动和制动轴或车轮;中央控制单元(M-ECU),该中央控制单元用于控制制动系统和电动驱动马达(TM1、TM2),其特征在于,主制动装置的一个或更多个部件或者该一个或更多个部件的子部件是冗余的,并且,在主制动装置部分或完全发生故障时,可以通过主制动装置、致动装置和/或至少一个制动单元的仍然能够发挥作用的部件在至少一个轴或至少一个车轮上产生制动力。(The invention relates to a brake system for a vehicle, comprising the following components: at least one hydraulic brake circuit (BK1, BK2), each having at least one hydraulically operated wheel brake (RB1, RB2, RB3, RB4, H-EMB); pressure supply means (DV1, DV2) for controlling the pressure in wheel brakes (RB1-RB4, H-EMB) driven by electric motor drives (M1, M2), which main brake means additionally comprise at least one electronic open-and closed-loop control device (DV ECU1, DV ECU2) and a valve assembly (HCU) with valves for setting wheel-specific brake pressures and/or disconnecting or connecting the wheel brakes (RB1, RB2, RB3, RB4, H-EMB) from the pressure supply means (DV1, DV 2); a piston-cylinder unit (HZ) which can BE actuated by an actuating device (BE), in particular in the form of a brake pedal, and which is connected or can BE connected to at least one hydraulic brake circuit; at least one brake unit (BA), in particular connected to an electric drive motor (TM) with a power greater than or equal to 30 kilowatts, an Electric Parking Brake (EPB), a hydraulically supported electromechanical brake (H-EMB) and/or an electromechanical brake (EMB); at least one electric drive motor (TM1, TM2) for at least one axle or one wheel of the vehicle, for driving and braking the axle or wheel; a central control unit (M-ECU) for controlling the brake system and the electric drive motor (TM1, TM2), characterized in that one or more components of the service brake device or sub-components thereof are redundant and that, in the event of a partial or complete failure of the service brake device, a braking force can be generated on at least one axle or at least one wheel by the service brake device, the actuator device and/or a still functional component of at least one brake unit.)

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