Vehicle braking system

Details Vehicle braking system Vehicle braking system

1986-05-30

1988-05-10

Reger, Duane A.

Fluid-pressure and analogous brake systems

Multiple control

Fluid and electric

303107, 303 20, B60T 1368

Patent

active

047430729

ABSTRACT:
A closed loop vehicle deceleration control system comprising a plurality of pressure control channels controlled by a fed forward driver's demand signal representing a deceleration requirement, and a closed loop feedback circuit which is adapted to produce a deceleration error signal representative of the difference between a deceleration level demanded by the driver and the actual vehicle deceleration. The driver's demand signal is arranged to be adjusted by means of a correction signal dependent on an integral function of the deceleration error. Adjustment of the demand signals is made by way of a multiplier in which one input is the driver's demand signal and the other input is a correction signal derived from a deceleration integrator. The correction signal is provided continuously by the integrator which the closed deceleration loop is adapted to be disabled at any selected time by disconnection of the deceleration error from the integrator input.

REFERENCES:
patent: 3993363 (1976-11-01), Skoyles et al.
patent: 4037882 (1977-07-01), Taylor
patent: 4043608 (1977-08-01), Bourg et al.
patent: 4538228 (1985-08-01), Brearey et al.

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