Title:
SERVO CONTROLLER
Document Type and Number:
WIPO Patent Application WO/2007/138758
Kind Code:
A1
Abstract:
A servo controller realizing robust speed control of high performance by avoiding
adverse influence such as of disturbance or load fluctuation. The servo controller
comprises a disturbance observer (5) which adds a disturbance compensation
torque Tf determined from the torque command T* and the rotational
speed ωm of the motor to a basis signal T0* of the torque
command determined by a PI control section (2) according to the difference between
the speed command ω* and to the feedback speed ωf and outputs
the torque command T*, and a phase advance compensation observer (6) which creates
an output of a nominal plant (61) of an element with no lag from the basic signal
T0* of the torque command and the rotational speed ωm
of the motor and outputs the outputs as the feedback speed ωf.
Inventors:
ZHANG, Wennong (())
張 文農 (())
SAWAMURA, Mitsujiro (())
張 文農 (())
SAWAMURA, Mitsujiro (())
Application Number:
JP2007/051010
Publication Date:
December 06, 2007
Filing Date:
January 23, 2007
Export Citation:
Assignee:
KABUSHIKI KAISHA YASKAWA DENKI (2-1 Kurosaki-shiroishi, Yahatanishi-ku,Kitakyushu-shi, Fukuoka04, Fukuoka8060004, JP)
株式会社安川電機 (〒04 福岡県北九州市八幡西区黒崎城石２番１号 Fukuoka, Fukuoka8060004, JP)
ZHANG, Wennong (())
張 文農 (())
株式会社安川電機 (〒04 福岡県北九州市八幡西区黒崎城石２番１号 Fukuoka, Fukuoka8060004, JP)
ZHANG, Wennong (())
張 文農 (())
International Classes:
H02P29/00; G05B11/36; G05B13/02; H02P29/00; G05B11/36; G05B13/02
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