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Title:
SERVO CONTROL APPARATUS
Document Type and Number:
WIPO Patent Application WO/2005/073818
Kind Code:
A1
Abstract:
A servo control apparatus that are not accompanied by any overshoots and any continuous vibration, exhibits an improved trackability and that tracks without any delay from an upper order command. A command signal is directly transmitted, as a target command increment value, to a controller (20). A compensation signal arithmetic unit (10) receives the target command increment value; subtracts the target command increment value from a signal having passed through an inverse transfer function unit having an inverse transfer function characteristic of any low-pass filter; multiplies a result of that subtraction by a adjustment gain to produce a compensation signal; and sends the compensation signal to an object (1) to be controlled. The controller (20) receives both the target command increment value and an output increment value of the controlled object (1), and sends a control input to the controlled object (1) such that the output of the controlled object (1) becomes coincident with the target command.

Inventors:
Ohta, Seitaro c/o Kabushiki Kaisha Yaskawa Denki (2-1 Kurosaki-shiroishi, Yahatanishi-k, Kitakyushu-shi Fukuoka 04, 80600, JP)
Nakamura, Hiroshi c/o Kabushiki Kaisha Yaskawa Denki (2-1 Kurosaki-shiroishi, Yahatanishi-k, Kitakyushu-shi Fukuoka 04, 80600, JP)
Imadu, Atsushi c/o Kabushiki Kaisha Yaskawa Denki (2-1 Kurosaki-shiroishi, Yahatanishi-k, Kitakyushu-shi Fukuoka 04, 80600, JP)
Application Number:
PCT/JP2004/018891
Publication Date:
August 11, 2005
Filing Date:
December 17, 2004
Export Citation:
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Assignee:
KABUSHIKI KAISHA YASKAWA DENKI (2-1 Kurosaki-shiroishi, Yahatanishi-ku Kitakyushu-shi, Fukuoka 04, 80600, JP)
Ohta, Seitaro c/o Kabushiki Kaisha Yaskawa Denki (2-1 Kurosaki-shiroishi, Yahatanishi-k, Kitakyushu-shi Fukuoka 04, 80600, JP)
Nakamura, Hiroshi c/o Kabushiki Kaisha Yaskawa Denki (2-1 Kurosaki-shiroishi, Yahatanishi-k, Kitakyushu-shi Fukuoka 04, 80600, JP)
Imadu, Atsushi c/o Kabushiki Kaisha Yaskawa Denki (2-1 Kurosaki-shiroishi, Yahatanishi-k, Kitakyushu-shi Fukuoka 04, 80600, JP)
International Classes:
G05B5/01; G05B11/32; G05B13/04; H02P29/00; (IPC1-7): G05B11/32; G05B11/36
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