ENHANCED MOTOR VELOCITY MEASUREMENT USING A BLEND OF FIXED PERIOD AND FIXED DISTANCE TECHNIQUES

摘要

A method of estimating the angular velocity of an electric power steering motor for an automobile is disclosed. The method comprises estimating an average angular velocity (410) of the motor; estimating an instantaneous angular velocity (514) of the motor; weighting the estimated average angular velocity of the motor; weighting the estimated instantaneous angular velocity of the motor; and combining the weighted estimated average angular velocity of the motor and the weighted estimated instantaneous velocity of the motor.