Stability of a Semi-Active Impact Damper: Part I—Global Behavior

[+] Author and Article Information
M. P. Karyeaclis, T. K. Caughey

California Institute of Technology, Pasadena, Calif. 91125

J. Appl. Mech 56(4), 926-929 (Dec 01, 1989) (4 pages) doi:10.1115/1.3176192 History: Received February 15, 1988; Revised January 26, 1989; Online July 21, 2009


A study is made of the general behavior of a semi-active impact damper. The system consists of an undamped forced torsional oscillator, and a flywheel which can be locked to the oscillator through a clutch. The impact which results during clutch engagement is effective in reducing the vibration amplitude level of the oscillator when it is subjected to bounded excitation. All solutions of the system are shown to be bounded when the input is bounded. Periodic solutions are discussed in the following paper, Part II.

Copyright © 1989 by ASME
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