DRIVE CONTROL SYSTEM OF OPERATING MACHINE, OPERATING MACHINE INCLUDING DRIVE CONTROL SYSTEM, AND DRIVE CONTROL METHOD OF OPERATING MACHINE
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United States of America Patent
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app pub date -
Dec 24, 2015
filing date -
Jan 6, 2015
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Abstract
A drive control system includes an electric motor, a capacitor, a revolution sensor, a driving device, and a control device. The driving device causes the capacitor to supply electric power to the electric motor to operate the electric motor and causes the capacitor to store the electric power, generated by the electric motor, to brake a turning body. The driving device configured as above is driven by driving electric power supplied from the capacitor. When a charging stop condition is satisfied, the control device stops the driving electric power supplied from the capacitor to the driving device. The charging stop condition is a condition that a turning speed detected by the revolution sensor is a predetermined speed or less while the turning body is decelerating.
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