MOTOR DRIVING CONTROL APPARATUS AND METHOD, AND MOTOR DRIVING SYSTEM USING THE SAME
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United States of America Patent
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N/A
Issued Date -
Jul 2, 2015
app pub date -
Mar 21, 2014
filing date -
Dec 30, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A motor driving control apparatus may include: a speed estimating unit calculating an estimated speed of a rotor of a motor apparatus by using phase currents flowing in a plurality of phases of the motor apparatus; a speed controlling unit generating an instruction speed by using the estimated speed and a target speed input from the outside; and a control determining unit controlling the motor apparatus to perform one of a sensorless control operation using the instruction speed and a preset synchronous start control operation, depending on whether or not the estimated speed is equal to or less than a preset value.
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