Adaptable sensorless end of stroke detection system and method
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United States of America Patent
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Dec 15, 2015
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app pub date -
Mar 8, 2013
filing date -
Dec 5, 2012
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Abstract
Embodiments of methods of controlling a motor for driving a load are disclosed herein. Exemplary methods include providing energy to a motor, sensing a parameter indicative of current. Determining the end of an inrush current and a start point that is after the inrush current and that is at about the beginning of a main current draw. Determining an end point at about the end of the main current draw. Continuing to provide energy to the motor for a time period that is a function of the time from the start point to the end point and de-energizing the motor.
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