Citation:
Feng Chen,Ming Hong,Meiting Song and Hongyu Cui.Optimal Control of a Beam with Discontinuously Distributed Piezoelectric Sensors and Actuators[J].Journal of Marine Science and Application,2012,(1):44-51.[doi:10.1007/s11804-012-1104-7]
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Optimal Control of a Beam with Discontinuously Distributed Piezoelectric Sensors and Actuators
Feng Chen,Ming Hong,Meiting Song and Hongyu Cui.Optimal Control of a Beam with Discontinuously Distributed Piezoelectric Sensors and Actuators[J].Journal of Marine Science and Application,2012,(1):44-51.[doi:10.1007/s11804-012-1104-7]
Info
- Title:
- Optimal Control of a Beam with Discontinuously Distributed Piezoelectric Sensors and Actuators
- Author(s):
- Feng Chen; Ming Hong; Meiting Song and Hongyu Cui
- Affilations:
- Keywords:
- smart material; first-order shear deformation; high precise direct (HPD); linear quadratic regulator (LQR); beam; piezoelectric sensor; piezoelectric actuator
- DOI:
- 10.1007/s11804-012-1104-7
- Abstract:
- Because of its light weight, broadband, and adaptable properties, smart material has been widely applied in the active vibration control (AVC) of flexible structures. Based on a first-order shear deformation theory, by coupling the electrical and mechanical operation, a 4-node quadrilateral piezoelectric composite element with 24 degrees of freedom for generalized displacements and one electrical potential degree of freedom per piezoelectric layer was derived. Dynamic characteristics of a beam with discontinuously distributed piezoelectric sensors and actuators were presented. A linear quadratic regulator (LQR) feedback controller was designed to suppress the vibration of the beam in the state space using the high precise direct (HPD) integration method.
References:
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Memo
- Memo:
- Supported by the National Natural Science Foundation of China (51079027).
