System and method for controlling motion of electromechanical devices such as seats and opening elements of motor vehicles
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United States of America Patent
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May 12, 2009
Grant Date -
Oct 18, 2007
app pub date -
Mar 23, 2006
filing date -
Mar 23, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system for controlling a displacement drive of a motor vehicle includes a manually operable actuator movable over a fixed stroke between a first end position and a second end position. The actuator is biased to a neutral position centrally located between the first and second end positions and provides a signal representative of position of the actuator. A controller receives the signal from the actuator and produces commands for a reversible DC electric motor of the displacement drive device. The commands vary speed of the drive motor based on the position of the actuator such that the speed of the drive motor is zero at the neutral position, increases in one direction as the actuator moves toward the first end position, and increases in the other direction as the actuator moves toward the second end position.
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