Fluid-pressure and analogous brake systems – Speed-controlled – Sensing jerk – acceleration – or deceleration
Patent
1997-05-02
2000-10-17
Graham, Matthew C.
Fluid-pressure and analogous brake systems
Speed-controlled
Sensing jerk, acceleration, or deceleration
303112, 303 961, B60T 1366
Patent
active
061320161
ABSTRACT:
The adaptive brake application and initial skid detection system allows rapid brake application and prevents deep initial skids. Brake pressure is compared with a predetermined threshold brake pressure. Wheel velocity error signals are also generated to indicated the difference between the wheel velocity and a reference velocity signal. A pressure bias modulator integrator responsive to brake pressure signals adjusts the wheel velocity error signals to provide an anti-skid control signal. The pressure bias modulator integrator can also be initialized to the value of the measured brake pressure when the wheel velocity error signals indicate the beginning of a skid. Brake pressure difference signals are generated to indicate the difference between brake pressure and a commanded brake pressure, and an adjusted brake pressure error signal is generated in response to the brake pressure difference signals.
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Cook Robert D.
Salamat Bijan
Graham Matthew C.
Hydro-Aire, Inc.
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