Clutch control method and clutch controller for motor-driven power steering apparatus
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United States of America Patent
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Oct 20, 1992
Grant Date -
N/A
app pub date -
Aug 24, 1990
filing date -
Aug 25, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a clutch control method of a motor-driven power steering apparatus, a clutch is disconnected when a change width of a steering angle detected by a steering angle sensor is a predetermined angle or less and a steering torque detected by a torque sensor is a predetermined torque or more in both the steering directions. A clutch controller of a motor-driven power steering apparatus includes a first transistor arranged between one terminal of the clutch coil and a power source, a second transistor arranged between the other terminal of the clutch coil and an earth, and a current sensor connected in series with the first and second transistor.
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