Real-time control of feedback signals to a motor for optimum performance
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United States of America Patent
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Jul 23, 2002
Grant Date -
N/A
app pub date -
Jun 8, 1999
filing date -
Jun 8, 1999
priority date (Note) -
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Abstract
An electric motor that may be used in a remote location, such as in a wellbore for pumping production fluids. The electric motor is designed to permit real-time adjustment of the position feedback signals to optimize motor performance. A position sensor is coupled to the rotor to sense rotor position. Simultaneously, a parameter, such as shaft twist, is measured, and a feedback control signal is provided. A processor receives the position sensor signals and the feedback control signals, and adjusts the energization of the stator windings to optimize motor performance.
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