Method and apparatus for electronically cancelling a vehicle dir

Details Method and apparatus for electronically cancelling a vehicle dir Method and apparatus for electronically cancelling a vehicle dir

1995-12-13

1998-07-28

Hofsass, Jeffery

Communications: electrical

Land vehicle alarms or indicators

External signal light system

340475, 340478, 180401, B60Q 100

Patent

active

057867542

ABSTRACT:
An electric assist steering system (10) includes a steering torque sensor (110) and an electric assist variable reluctance motor (26) operatively connected to a steering member. A motor control signal is provided in response to a value of the torque signal for control of the assist motor (26). Energization sequence of the assist motor is dependant upon the relative position of the motor rotor (38) with respect to the motor housing and stator (32). A motor position sensor (54) provides a rotor position signal to (i) a drive control circuit (150) controlling motor energization sequence, and (ii) turn signal control function (130). Turn signal control function (130) controls turn signal indicators (121) in response to the sensed motor position.

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