Motor control apparatus and image forming apparatus
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United States of America Patent
Stats
-
Apr 26, 2016
Grant Date -
Oct 4, 2012
app pub date -
Jan 31, 2012
filing date -
Mar 31, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A motor control apparatus including a motor control unit and a signal output unit that outputs a signal corresponding to rotation of the motor to displace an object to be driven to a target stop position, the motor control unit includes: a first control unit that estimates a current upper limit and determines a first control input; a second control unit that determines a second control input and controls the motor to stop the object to be driven at the target stop position; a first calculation unit calculates a necessary amount for stop, a second calculation unit that calculates a remaining displacement amount, a switching unit, enable the first control unit or the second control unit to control the motor with switching; based on the necessary amount for stop and the remaining displacement amount.
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