Method for controlling induction motor
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United States of America Patent
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N/A
Issued Date -
Nov 10, 2005
app pub date -
Apr 27, 2005
filing date -
May 7, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In a method for controlling an induction motor 14, in which the speed of the induction motor 14 is controlled, by an inverter 21, to move and stop an actuator 22 at a predetermined position, a speed command 23 to be input to the inverter 21 is switched to an intermittent pulse signal 27 when the actuator 22 reaches a position B, a predetermined distance before, the predetermined position C. Thus, the system can be constructed at low cost, and sufficient practical positioning and stopping accuracy can be easily obtained.
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