Electric vehicle regenerative and friction braking control syste

Details Electric vehicle regenerative and friction braking control syste Electric vehicle regenerative and friction braking control syste

1992-06-03

1994-06-21

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Multiple systems

Fluid pressure and electric

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.

REFERENCES:
patent: 3621929 (1971-11-01), Oberthur et al.
patent: 4270806 (1981-06-01), Venkataperumal et al.
patent: 4494199 (1985-01-01), Lehmann
patent: 4557355 (1985-12-01), Wilke et al.
patent: 4671577 (1987-06-01), Woods
patent: 4819992 (1989-04-01), Angelillo et al.
patent: 5146408 (1992-09-01), Valentic
patent: 5148883 (1992-09-01), Tanaka et al.

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