A method and apparatus for sensing wheel brake torque of a highly automated driving (HAD) vehicle (20) includes a wheel hub (66) with rotor (68) configured to rotate around a rotation axis (120) as the vehicle (20) moves and a brake caliper (74), including a brake pad (76,82), configured to apply a caliper force to the wheel hub (66). A reaction carriage (84) is interconnected with the brake caliper (74) and is configured to have a reaction force applied to it when the brake caliper (74) applies the caliper force to the wheel hub (66). The wheel torque sensor includes a hydraulic chamber (94,98) having a hydraulic fluid (103) and a pressure sensor (104), interconnected with the hydraulic chamber (94,98), that senses pressure applied to the hydraulic fluid (103) in response to the reactionforce.
一种用于感测高度自动化驾驶(HAD)车辆(20)的车轮制动扭矩的方法和装置,包括:具有转子(68)的轮毂(66),该轮毂(66)被配置成随着车辆(20)移动而绕旋转轴线(120)旋转;以及制动钳(74),其包括制动垫块(76、82),制动钳(74)被配置成向轮毂(66)施加钳力。反作用托架(84)与制动钳(74)互连,并且被配置成当制动钳(74)向轮毂(66)施加钳力时具有被施加到其上的反作用力。车轮扭矩传感器包括:液压腔(94、98),其包括液压流体(103);以及压力传感器(104),其与液压腔(94、98)互连,压力传感器(104)响应于反作用力而感测施加到液压流体(103)的压力。
Wheel torque sensor for highly automated driving vehicles
用于高度自动化驾驶车辆的车轮扭矩传感器
31.07.2020
Patent
Elektronische Ressource
Chinesisch
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