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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
materials science
Structural control of thermoelastic beams for vibration suppression
Journal of Thermal Stresses, Volume 16, No. 3, Year 1993
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Description
The vibrations of a thermoelastic beam subject to a sudden heat input are damped by active control. The control objective is specified as the minimization of a quadratic functional in terms of displacement and velocity at a given time. The control is exercised by means of point actuators which are placed so as to minimize the maximum actuator force. The solution of the control problem is obtained by means of eigenfunction expansions. The physical problem corresponds to the suppression of vibrations of a structure suddenly entering into the daylight zone. Numerical results indicate that the displacement and velocity of the beam can be effectively reduced by means of active control exercised by point actuators. © 1993 Taylor & Francis Group, LLC.
Authors & Co-Authors
Bruch, John C.
United States, Santa Barbara
University of California, Santa Barbara
Adali, Sarp
United States, Santa Barbara
University of California, Santa Barbara
Sadek, Ibrahim S.
United States, Wilmington
University of North Carolina Wilmington
Sloss, James M.
United States, Santa Barbara
University of California, Santa Barbara
Statistics
Citations: 28
Authors: 4
Affiliations: 2
Identifiers
Doi:
10.1080/01495739308946229
ISSN:
01495739