Systems and Methods for Controlling Motor Speeds
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United States of America Patent
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Issued Date -
Feb 27, 2014
app pub date -
Aug 27, 2012
filing date -
Aug 27, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Electronic circuits for controlling the speed of a motor include a receiving node coupled to receive a speed command signal representative of a desired final speed of the motor. A speed control circuit applies a selected amount of power to a motor to allow a speed of the motor to approach a predetermined final speed, where the selected amount of power provided is based on the desired final speed of the motor. A signal represents the speed of the motor and a feedback circuit uses the signal to regulate the speed of the motor by phase-locking the speed of the motor to the speed command signal once the speed of the motor falls within a predetermined threshold of the final speed. Methods for controlling the speed of a motor are also disclosed.
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