Method and system for anti-lock braking in automobile by measuri

Details Method and system for anti-lock braking in automobile by measuri Method and system for anti-lock braking in automobile by measuri

1993-10-14

1994-08-02

Oberleitner, Robert J.

Fluid-pressure and analogous brake systems

Speed-controlled

Torque sensing

3031134, B60T 852

Patent

active

053339436

ABSTRACT:
In an anti-lock braking apparatus, by detecting brake torque at a wheel and controlling the braking force of a wheel brake unit, a locked state of the wheel can be quickly detected to thus enable braking control with fast response characteristics. Also, based on direction of a variation of the brake torque on the wheel, the road friction coefficient is predicted to perform feedback control for the braking force and to adjust the brake torque to a target brake torque, whereby the braking performance can be optimized.

REFERENCES:
patent: 3790225 (1974-02-01), Wehde
patent: 3923345 (1975-12-01), Poggie
patent: 4747643 (1988-05-01), Lanzer
patent: 4768840 (1988-09-01), Sullivan et al.
patent: 4822113 (1989-04-01), Amberg et al.
patent: 4828334 (1989-05-01), Salman
patent: 5135290 (1992-08-01), Cao

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