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JRM Vol.7 No.4 pp. 319-323
doi: 10.20965/jrm.1995.p0319
(1995)

Paper:

H Vibration Control of Active Suspension for High-Speed Train

Akihiko Shimura and Kazuo Yoshida

Department of Mechanical Engineering, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa, 223 Japan

Received:
June 19, 1995
Accepted:
June 30, 1995
Published:
August 20, 1995
Keywords:
Active suspension, Vibration control, Vehicle control, H control, Robust control
Abstract

In this paper, H control theory and μ synthesis are applied to vibration control of active suspension for high speed train. A linear 58th order model is built for the dynamical analysis of the train model. This model takes into account the body, truck frame, wheel, hydraulic actuator, and property of track irregularity. A hydraulic actuator replaces a lateral damper between body and truck frame of the conventional passive suspension train. The controller for vibration control is synthesized by H control synthesis and improved by μ synthesis. The characteristics and performances of the controllers are examined by performing numerical calculations of frequency response and computational simulations. As a result, it is clarified that the active suspension for highspeed train is effective to improve ride quality and that the present synthesis method is useful.

Cite this article as:
Akihiko Shimura and Kazuo Yoshida, “H Vibration Control of Active Suspension for High-Speed Train,” J. Robot. Mechatron., Vol.7, No.4, pp. 319-323, 1995.
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