G - Physics – 05 – D
Patent
G - Physics
05
D
341/73.4
G05D 13/62 (2006.01) B60T 8/1761 (2006.01)
Patent
CA 1064142
ADAPTIVE BRAKING CONTROL CIRCUIT ABSTRACT OF THE DISCLOSURE An adaptive braking system for a vehicle having fluid pressure actuated brakes is disclosed. The system includes a wheel speed sensor which generates a speed signal proportional to the rotational velocity of a vehicle wheel, and an incipient skid detecting circuit which is respon- sive to the speed signal to generate a skid detecting signal when an incipi- ent skidding condition of the vehicle wheel is sensed. A modifying circuit is responsive to the output of the skid detection circuit, and generates a signal relieving the fluid pressure in the vehicle brakes when the skid detection circuit senses an incipient skidding condition. Upon termination of the incipient skidding condition, the modifying circuit causes the brake pressure communicated to the vehicle's brakes to be increased at a rate less than the maximum rate at which the braking pressure in the system is capable of increasing, to thereby provide a "slow build" cycle until another incipi- ent skidding condition is sensed. The output of the modifying circuit is fed to a duty cycle translator which generates a pulsed output signal which is transmitted to a brake pressure modulator which controls fluid communi- cation to the brakes of the vehicle.
238410
Latvala Bruce E.
Rothfusz Ralph W.
LandOfFree
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