Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Indication or control of braking – acceleration – or deceleration
Reexamination Certificate
2009-02-13
2011-10-11
Nguyen, Tan Q (Department: 3661)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Indication or control of braking, acceleration, or deceleration
C701S078000, C701S083000, C303S020000
Reexamination Certificate
active
08036802
ABSTRACT:
The invention relates to a method of controlling an electromechanical brake for a vehicle wheel, the brake including an actuator provided with a pusher that is actuated by an electric motor and that is adapted to exert a braking force selectively on friction elements in response to an actuation setpoint, the method comprising the following steps:from a braking setpoint (F), determining a nominal position setpoint (X) for the brake actuator;from said braking setpoint (F), estimating a reference current (i*) that ought normally to be flowing in the motor of the actuator to apply a force equal to the braking setpoint;comparing the reference current (i*) with a current (i) actually flowing in the motor of the actuator, and deducing a position correction (xcorr); andadding the position correction to the nominal position setpoint.
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Messier-Bugatti
Nguyen Tan Q
Sughrue & Mion, PLLC
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