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8 May 1995 Piezoceramic macro-motion actuator: analytical synthesis and prototype investigations
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Abstract
In this research, a synthesis methodology is presented for the development of a large- displacement piezoceramic actuator. The proposed designs combine piezoceramic actuation and large deflection of elastic members to bring about the required displacements. Configurations of series and parallel stacks of actuator elements and their options on excitation schemes for such actuators will be discussed. Bimorphial actions in these actuator layers are quantified via shell finite elements. A demonstrative prototype based on this concept has also been built and tested. Strokes up to 2.5 mm have been observed during the operation of this device. The level of performance of the prototype was found to be in good agreement with the theoretical calculations. Response of the prototype in the time and frequency domains have been studied. Both the analytical and experimental investigations are detailed in this paper.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Sridhar R. Thirupathi and Ganapathy Naganathan "Piezoceramic macro-motion actuator: analytical synthesis and prototype investigations", Proc. SPIE 2443, Smart Structures and Materials 1995: Smart Structures and Integrated Systems, (8 May 1995); https://doi.org/10.1117/12.208314
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