Pulse Control of Structural and Mechanical Systems

by Firdaus E. Udwadia, Assoc. Prof.; Univ. of Southern California Los Angeles, Calif.,
Sayeed Tabaie, Grad. Student; University of Southern California, Los Angeles, Calif.,

Serial Information: Journal of the Engineering Mechanics Division, 1981, Vol. 107, Issue 6, Pg. 1011-1028

Document Type: Journal Paper


The feasibility of using openloop adaptive online pulse control is considered for limiting the response of large linear multi-degree-of-freedom systems subjected to general dynamic loading environments. Pulses of short durations are used to control the system when the system response exceeds a given threshold level. The pulse magnitudes are obtained in closed form, leading to large computational efficiencies when compared with optimal control theoretic methods. The technique is illustrated for a structural system subjected to earthquake-like base excitations.

Subject Headings: Structural systems | Structural control | Hydraulic structures | Mechanical systems | Control systems | Feasibility studies | Adaptive systems | Internet

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