Torque estimator for switched reluctance machines
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United States of America Patent
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-
Oct 2, 1990
Grant Date -
N/A
app pub date -
Oct 16, 1989
filing date -
Oct 16, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus for estimating torque generated by a switched reluctance machine utilizes a ROM table look-up scheme to generate a torque estimate based upon phase current and rotor position information. Each ROM address is accessed by digitizing and then combining sensed phase current and rotor position signals. Knowledge of the instantaneous torque output enables closed-loop torque control including appropriate adjustments of phase currents to reduce or eliminate torque pulsations.
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