Fluid-pressure and analogous brake systems – Speed-controlled – Torque sensing
Reexamination Certificate
2009-01-08
2010-11-23
Williams, Melanie Torres (Department: 3657)
Fluid-pressure and analogous brake systems
Speed-controlled
Torque sensing
C303S178000
Reexamination Certificate
active
07837279
ABSTRACT:
The adaptive brake application and initial skid detection system allows rapid brake application and prevents deep initial skids. Brake torque is compared with a predetermined threshold brake torque. Wheel velocity error signals are also generated to indicated the difference between the wheel velocity and a reference velocity signal. A torque bias modulator integrator responsive to brake torque signals adjusts the wheel velocity error signals to provide an anti-skid control signal. The torque bias modulator integrator can also be initialized to the value of the measured brake torque when the wheel velocity error signals indicate the beginning of a skid. Brake torque difference signals are generated to indicate the difference between brake torque and a commanded brake torque, and an adjusted brake torque error signal is generated in response to the brake torque difference signals.
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Translation of the Office Action.
Cook Robert D.
Salamat Bijan
Fulwider Patton LLP
Hydro-Aire, Inc.
Torres Williams Melanie
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