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|Title:||Shape control of statically indeterminate laminated beams with piezoelectric actuators|
|Source:||Ajit, A., Ang, K.K., Wang, C.M. (2003-04). Shape control of statically indeterminate laminated beams with piezoelectric actuators. Mechanics of Advanced Materials and Structures 10 (2) : 145-160. ScholarBank@NUS Repository. https://doi.org/10.1080/15376490306736|
|Abstract:||Based on the cantilever beam solution and principles of superposition, analytical expressions for the displacements of statically indeterminate laminated beams with piezoelectric actuators are derived. Necessary optimality conditions determining the input voltages for shape matching are developed. The formulation allows for the effect of transverse shear deformation through the adoption of the first-order shear deformation beam theory. The effect of the thickness of the piezoelectric patch actuators is also taken into consideration for better accuracy. Optimal voltages for shape matching are obtained for beams with three different sets of boundary conditions, namely (1) beam with both ends clamped. (2) beam with one end clamped and the other end hinged, and (3) beam with one end clamped and the other end roller supported. The formulation allows for the handling of upper and lower bounds on the voltages, as in practice these voltages are constrained due to cost and material constraints. The solution procedure developed in this study can be extended to any beam with at least one clamped support, including multispan beams.|
|Source Title:||Mechanics of Advanced Materials and Structures|
|Appears in Collections:||Staff Publications|
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