Fluid-pressure and analogous brake systems – Speed-controlled – Braking pressure demand or braking force desire
Patent
1996-04-01
1997-09-23
Graham, Matthew C.
Fluid-pressure and analogous brake systems
Speed-controlled
Braking pressure demand or braking force desire
3031134, 303166, 303 3, 303 15, B60T 1366
Patent
active
056696787
ABSTRACT:
During one or more braking processes, the application pressures of the wheel brakes and the characteristic brake values of the wheel brakes of at least one axle are determined. The application pressure represents the beginning of brake action at the wheels and can be determined from an inflection point in the curve representing brake pressure at the wheels as it increases in response to a driver's command, and further from the wheel velocity or a derivative thereof. The characteristic brake values are determined based on the brake pressure, the application pressure, and the deceleration of the vehicle. The application pressures and the characteristic brake values are stored for use in subsequent brake actions, in order to control the brakes so that wheels at each axle are uniformly braked.
REFERENCES:
patent: 4327414 (1982-04-01), Klein
patent: 5378052 (1995-01-01), Yoshino
patent: 5443306 (1995-08-01), Broome
patent: 5496097 (1996-03-01), Eckert
patent: 5505526 (1996-04-01), Michels
patent: 5511863 (1996-04-01), Suh
Horn Matthias
Schwendemann Bernhard
Stumpe Werner
Graham Matthew C.
Robert & Bosch GmbH
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