Deflection model for corner-supported plates with segmented in-plane actuators

Jordan E. Massad; Hartono Sumali; Pavel M. Chaplya; Jeffrey W. Martin

doi:10.1117/12.539832

26 July 2004 Deflection model for corner-supported plates with segmented in-plane actuators

Jordan E. Massad, Hartono Sumali, Pavel M. Chaplya, Jeffrey W. Martin

Proceedings Volume 5383, Smart Structures and Materials 2004: Modeling, Signal Processing, and Control; (2004) https://doi.org/10.1117/12.539832
Event: Smart Structures and Materials, 2004, San Diego, CA, United States

Abstract

The shape control of flexible mirrors has been studied mainly for edge-supported thin-plate configurations. For applications such as optical reflectors, corner-supported configurations, which allow for paraboloidal geometries, prove more applicable. Moreover, the use of corner supports enables more flexibility and larger achievable deflections than with edge supports. This paper discusses a corner-supported thin rectangular plate actuated by a two-dimensional array of segmented piezoelectric laminated actuators. First, a model determining the deflected shape of a laminate for a given distribution of voltages over the actuator array is derived. Second, the results of the model are shown to agree well with a finite element simulation of the structure. Finally, paraboloidal deflection of a rectangular PVDF laminate is investigated.

Citation Download Citation

Jordan E. Massad, Hartono Sumali, Pavel M. Chaplya, and Jeffrey W. Martin "Deflection model for corner-supported plates with segmented in-plane actuators", Proc. SPIE 5383, Smart Structures and Materials 2004: Modeling, Signal Processing, and Control, (26 July 2004); https://doi.org/10.1117/12.539832

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