Enhanced motor velocity measurement using a blend of fixed period and fixed distance techniques
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United States of America Patent
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Mar 11, 2003
Grant Date -
N/A
app pub date -
Sep 11, 2000
filing date -
Sep 16, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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 of the motor; estimating an instantaneous angular velocity 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 angular velocity of the motor.
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