Magnetic force based actuator control
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United States of America Patent
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Jan 9, 2018
Issued Date -
N/A
app pub date -
Mar 10, 2015
filing date -
Mar 20, 2014
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Abstract
An electromagnetic actuation system includes an actuator having an electrical coil, a magnetic core, and an armature. The system further includes a controllable drive circuit for selectively driving current through the electrical coil. A control module provides an actuator command to the drive circuit effective to drive current through the electrical coil to actuate the armature. The control module includes a magnetic force control module configured to adapt the actuator command to converge magnetic force within the actuator to a preferred force level.
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