Pulse Control of Single-Degree-of-Freedom System

by F. E. Udwadia, Assoc. Prof.; Univ. of Southern California, Los Angeles, Calif.,
S. Tabaie, Grad. Student; Univ. of Southern California. Los Angeles, Calif.,

Serial Information: Journal of the Engineering Mechanics Division, 1981, Vol. 107, Issue 6, Pg. 997-1009

Document Type: Journal Paper


The feasibility of using open-loop on-line adaptive pulse control to limit the vibrations of structural and mechanical systems, which are subjected to dynamic load environments, is investigated. The control algorithm is developed for a system modeled as a single degree of freedom oscillator. The technique while capable of adequate control for both linear and nonlinear systems subjected to stochastic loads, requires, unlike optimal control theoretic methods, a minimal amount of online computations to be performed. Results for linear time-invariant and time-variant as well as nonlinear systems are presented.

Subject Headings: Control systems | Dynamic loads | Degrees of freedom | Structural systems | Linear functions | Nonlinear response | Feasibility studies | Adaptive systems

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