Position-and-velocity sensorless control for starter generator electrical system using generator back-EMF voltage
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United States of America Patent
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Feb 27, 1996
Grant Date -
N/A
app pub date -
May 12, 1993
filing date -
May 12, 1993
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A detector for detecting rotor position of a brushless generator having a motive power shaft, a permanent magnet generator (PMG) having a set of armature phase windings and a main generator portion having a set of armature phase windings includes a circuit coupled to the armature phase windings of the main generator portion for deriving a number of interval pulses per revolution of the motive power shaft. A circuit measures time periods between adjacent interval pulses and the measured time periods are converted into an indication of the angular position of the motive power shaft in accordance with a parameter of power delivered to the main generator portion armature phase windings.
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