ELECTRIC ACTUATOR DRIVE DEVICE AND ACTUATOR USING SAME
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United States of America Patent
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Issued Date -
May 22, 2014
app pub date -
Apr 5, 2012
filing date -
Jun 3, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
To bring an actuator driving motor having a malfunction such as failure to a stop in a shorter time without employing a mechanical braking system. The present invention is an electric actuator driver, including: a power supply; an actuator driving motor (11A, 11B) to be supplied with power from the power supply to drive an actuator (B1); a motor braking circuit (C) to apply a regenerative brake on the actuator driving motor (11A, 11B); a malfunction occurrence determining means (D1) to determine whether there is a malfunction in a necessary component; and a regenerative braking means (D3) to apply the regenerative brake on the actuator driving motor (11A, 11B) by means of the motor braking circuit (C).
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