An analytical and experimental investigation is conducted to identify the effects of delaminations on the performance of surface-mounted piezo-actuators on a cantilever beam. Two types of delaminations are considered: an edge delamination and an inner delamination. Results indicate that an edge delamination will reduce the structural coupling performance of the piezo-actuator whereas an inner delamination has little detrimental effect on the coupling performance. Furthermore, the edge delamination will cause significant variations in the dynamic characteristics of the composite beam whereas the effect of the inner delamination is substantially less.
Get full access to this article
View all access options for this article.
References
1.
Bailey, T. and J. Hubbard.1985. "Distributed Piezoelectric-Polymer Active Vibration Control of a Cantilever Beam", AIAA Journal of Guidance and Control, 6:605-611.
2.
Burke, S. and J. Hubbard.1987. "Active Vibration Control of a Simply Supported Beam Using a Spatially Distributed Actuator", IEEE Control Systems Magazine, 7:25-30.
3.
Crawley, E. and J. de Luis.1985. "Use of Piezoelectric Actuators as Elements of Intelligent Structures", AIAA Journal, 25:1373-1385.
4.
Kim, S. and J. Jones.1991. "A Study of Actuators for the Active Control of Distributed Elastic Systems", Proceedings of NOISE-CON 91, pp. 283-290.
5.
Lee, C.1990. "Theory of Laminated Piezoelectric Plates for the Design of Distributed Sensors/Actuators. Part I: Governing Equations and Reciprocal Relationships", J. Acoust. Soc. Am., 87:1144-1158.
6.
Mujumdar, P. and S. Suryanarayan .1988. "Flexural Vibrations of Beams with Delaminations", J. Sound and Vib., 125:441-461.
