초록 ▼

A brake system and torque feedback controller is provided which utilizes low torque cutout rather than low speed cutout. The low torque cutout is further improved by gradually transitioning between torque feedback and open loop control over a range of torque. The controller allows torque compensatio

A brake system and torque feedback controller is provided which utilizes low torque cutout rather than low speed cutout. The low torque cutout is further improved by gradually transitioning between torque feedback and open loop control over a range of torque. The controller allows torque compensation operation to zero wheel speed, and avoids discontinuities in braking regardless of time or torque level. The controller allows a brake to fill and engage the wheel before the full feedback signal is presented to the controller so as to eliminate the phenomena of grabby brakes.

대표청구항 ▼

[ What is claimed is:] [1.] A system for controlling a braking torque applied to a wheel of a vehicle, comprising:a torque level transitioning controller having an input for receiving a brake torque command indicative of a desired amount of brake torque to be applied to the wheel, and an output for

[ What is claimed is:] [1.] A system for controlling a braking torque applied to a wheel of a vehicle, comprising:a torque level transitioning controller having an input for receiving a brake torque command indicative of a desired amount of brake torque to be applied to the wheel, and an output for providing a brake torque output command to a brake actuator and assembly which applies a brake torque to the wheel based on the brake torque output command;a torque sensor, operatively coupled to the brake actuator and assembly and the torque level transitioning controller, for measuring an amount of brake torque applied to the wheel and feeding back a signal to the torque level transitioning controller indicative of the amount of applied brake torque; andwherein the torque level transitioning controller adjusts the brake torque output command provided to the brake actuator and assembly using torque feedback control based on the signal fed back from the torque sensor, and the torque level transitioning controller is configured to limit a degree of the torque feedback control based on the measured amount of brake torque applied to the wheel.