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Journal of Intelligent Material Systems and Structures
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Computational Methods for Identification and Feedback Control in Structures with Piezoceramic Actuators and Sensors

H.T. Banks

Center for Research in Scientific Computation North Carolina State University Raleigh, NC 27695-8205

K. Ito

Center for Research in Scientific Computation North Carolina State University Raleigh, NC 27695-8205

Y. Wang

Center for Research in Scientific Computation North Carolina State University Raleigh, NC 27695-8205

In this article we present fundamental existence, uniqueness, and continuous de pendence results (well-posedness) for a variational formulation of a class of damped second order partial differential equations with unbounded input or control coefficients. Included as special cases in this class are structures with piezoceramic actuators. We then consider approximation techniques leading to computational methods in the context of both parameter estimation and feedback control problems for these systems. Rigorous convergence results for parameter estimates and feedback gains are presented along with computational examples illustrating these methods.

Journal of Intelligent Material Systems and Structures, Vol. 4, No. 4, 469-476 (1993)
DOI: 10.1177/1045389X9300400405
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C. M. Wang, K. K. Ang, and A. Ajit
Shape Control of Laminated Cantilevered Beams with Piezoelectric Actuators
Journal of Intelligent Material Systems and Structures, February 1, 1999; 10(2): 164 - 175.
[Abstract] [PDF]