Reduction of motor speed fluctuation using repetitive control

Author

Kobayashi, F. ; Hara, S. ; Tanaka, H.

Author_Institution

Fac. of Comput. Sci. & Syst. Eng., Kyushu Inst. of Technol., Iizuka, Japan

fYear

1990

fDate

5-7 Dec 1990

Firstpage

1697

Abstract

Repetitive control can be used to eliminate the influence of periodical disturbance. The authors describe an attempt to reduce fluctuation in motor speed, which is usually periodical, by detecting the instantaneous speed with a spatial filter and by feeding back the sensor output through a repetitive controller. A design procedure with two independent steps for speed regulation and fluctuation reduction is proposed. A method of stabilization using sampler and phase-lead compensation is also developed, as well as time-delay synchronization by a phase-locked loop. An experimental setup indicated reduction of speed fluctuation down to a level of 1/5

Keywords

DC motors; control system synthesis; machine control; phase-locked loops; servomotors; stability; velocity control; 80 W; fluctuation reduction; motor speed fluctuation; periodical disturbance; phase-lead compensation; phase-locked loop; repetitive control; sampler; spatial filter; speed regulation; stabilization; time-delay synchronization; Computer science; Control systems; Filters; Fluctuations; Frequency; Phase locked loops; Sampling methods; Servomotors; Torque; Tracking loops;

fLanguage

English

Publisher

ieee

Conference_Titel

Decision and Control, 1990., Proceedings of the 29th IEEE Conference on

Conference_Location

Honolulu, HI

Type

conf

DOI

10.1109/CDC.1990.203910

Filename

203910