Electric vehicle regenerative and friction braking control syste

Fluid-pressure and analogous brake systems – Multiple systems – Fluid pressure and electric

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188156, 303 20, B60L 710

Patent

active

053223527

ABSTRACT:
A method of and an apparatus for controlling brakes suitable for use in an electric vehicle. Target deceleration is determined from the amount of depression of a brake pedal and the deceleration of the electric vehicle is detected. Then, the difference between the target deceleration and the deceleration of the electric vehicle is determined and a desired braking force for attaining the target deceleration is obtained. Thereafter, it is determined whether or not the difference falls within a predetermined range. It is further judged, based on the result of the determination, whether the operation of a regenerative brake is required to obtain the desired braking force. If the difference falls outside of the predetermined range, then the regenerative brake is inhibited from being actuated.

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