RESEARCH PAPERS: Vibration and Sound

Active Control of Impact Vibration Using Feedforward Control Method

[+] Author and Article Information
N. Tanaka, Y. Kikushima

Mechanical Engineering Laboratory, 1–2 Namiki Sakuramura Niiharigun, (Tsukuba Science City), Ibaraki 305 Japan

J. Vib., Acoust., Stress, and Reliab 111(1), 53-60 (Jan 01, 1989) (8 pages) doi:10.1115/1.3269823 History: Received November 01, 1986; Online November 23, 2009


For the purpose of developing a vibrationless forge hammer, this paper presents a principle of the vibrationless forge method based upon an active vibration control technique. Then, from a viewpoint of feedforward control method, the vibrationless forge system is analyzed, and state equations of the system are derived. Next, with a view to simulating the vibrationless forge system using an analog computer, a signal wave of an impact force actually taken in a hammering test is employed as an input to the analog computer. Moreover, the control effect for suppressing the impact vibration is discussed. Finally, in order to obtain a perspective to realize the vibrationless forge hammer, an experiment is carried out, and the effectiveness of the vibrationless forge method is verified.

Copyright © 1989 by ASME
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