Servo control apparatus having function of displaying adjustment state in online automatic adjustment to control system

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United States of America Patent

PATENT NO 9829877
SERIAL NO

15205019

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A servo control apparatus according to the present invention includes a speed command generator; a torque command generator; a speed detector; a speed control loop; a speed control loop gain setting unit; at least one filter for filtering a specific band of a torque command value; a sinusoidal disturbance input unit for performing a sinusoidal sweep on the speed control loop; a frequency characteristics calculator for estimating the gain and phase of speed control loop input and output signals; a resonance frequency detector; a filter adjuster for adjusting the filter in accordance with a resonance frequency; a gain adjuster; a sequence controller for online and automatically performing the detection of the resonance frequency, the adjustment of the speed control loop gain, and the adjustment of the filter; and an adjustment state display unit. The adjustment state display unit displays a stage and progress in the adjustment by the sequence controller.

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Patent Owner(s)

Patent OwnerAddress
FANUC CORPORATION3580 SHIBOKUSA AZA-KOMANBA OSHINO-MURA MINAMITSURU-GUN YAMANASHI 401-0597

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Iijima, Kazunori Yamanashi, JP 45 128

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