Fault detection system for actuator
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United States of America Patent
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Feb 13, 2018
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app pub date -
Jun 24, 2014
filing date -
Jul 8, 2013
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Abstract
A failure detecting device of a fault detection system includes a detection time calculator, which calculates a stroke time T3 required for a piston to travel between one end and another end of an actuator based on detection signals from a first sensor and a second sensor, a statistical processor that performs a predetermined statistical calculation with respect to the stroke time T3, and a fault response detector, which detects whether or not a fault of the actuator has occurred based on a processing result of the statistical processor.
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