Title:
サーボ制御装置
Document Type and Number:
Japanese Patent JP4720744
Kind Code:
B2
Abstract:
In a method of automatically setting the vibration suppression filter, when a vibration detection portion detects a vibration A2, a state variable frequency analysis portion analyzes the frequencies of data from a state variable trace portion to calculate a vibration frequency A3, and the frequency characteristics of the vibration suppression filter is set based on vibration frequency A5. A vibration level store portion stores the vibration level before the automatic setting of the vibration suppression filter, a filter setting selection portion compares the vibration level after the automatic setting with the vibration level before the automatic setting A6. When the vibration level after the automatic setting is larger than the vibration level before the automatic setting, restoring of the setting of the vibration suppression filter to the state before the automatic setting A7 and/or reducing the gain of a servo control portion.
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Inventors:
Atsushi Imazu
Yasuyuki Takei
Kazuhide Takao
Yasuyuki Takei
Kazuhide Takao
Application Number:
JP2006514720A
Publication Date:
July 13, 2011
Filing Date:
June 10, 2005
Export Citation:
Assignee:
Yaskawa Electric Co., Ltd.
International Classes:
G05D3/12; G05B5/01; G05B13/02; G05D19/02; H02P23/04
Domestic Patent References:
| JP2004086702A | 2004-03-18 | |||
| JPH0628006A | 1994-02-04 | |||
| JP2003052188A | 2003-02-21 | |||
| JPH05346813A | 1993-12-27 |
Attorney, Agent or Firm:
Shohei Oguri
Hironori Honda
Toshimitsu Ichikawa
Hironori Honda
Toshimitsu Ichikawa