Comparison of classical control with robust control for SMA smart structures

Seung-Woo Rhee; Leslie R. Koval

doi:10.1117/12.152812

8 September 1993 Comparison of classical control with robust control for SMA smart structures

Seung-Woo Rhee, Leslie R. Koval

Proceedings Volume 1917, Smart Structures and Materials 1993: Smart Structures and Intelligent Systems; (1993) https://doi.org/10.1117/12.152812
Event: 1993 North American Conference on Smart Structures and Materials, 1993, Albuquerque, NM, United States

Abstract

Smart structures is now a vigorous area of study. One type of smart structure employs shape memory alloys, such as Nitinol, in the form of thin wire actuators. To the authors' knowledge, the only control algorithm that has been implemented heretofore has been a simple on-off control law. In this study, other control algorithms are employed, ranging from classical to a robust controller based on the LQG/LTR algorithm. Two mechanical systems are studied. The first is an aluminum cantilever beam for which the free-vibration damping of the fundamental mode was enhanced. The second system studied is a three-mass system with its three natural frequencies below 3 Hz.

Citation Download Citation

Seung-Woo Rhee and Leslie R. Koval "Comparison of classical control with robust control for SMA smart structures", Proc. SPIE 1917, Smart Structures and Materials 1993: Smart Structures and Intelligent Systems, (8 September 1993); https://doi.org/10.1117/12.152812

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