NDLI: Electro-Dynamics and Micro-Actuation of Ultrasonic Curvilinear Arc Stators

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Smithmaitrie, P. Tzou, H. S.
Copyright Year	2003
Abstract	Driving mechanisms basically deliver two fundamental motions, i.e., the linear and the curvilinear motions. A piezoelectric laminated circular arc can serve as a curvilinear arc stator to deliver curvilinear motion on a spherical surface. This study is to evaluate ultrasonic vibration characteristics and microscopic membrane/bending actuation forces of piezoelectric actuators laminated on a curvilinear circular arc. Mathematical model and governing equations of circular arcs bonded with piezoelectric actuator patch are derived, followed by analysis of actuator control forces and moments and microcontrol actions in the modal domain. Study of vibration characteristics is conducted to design optimal actuator configuration, e.g., size and location. Then, distributed control forces and micro-control actions of the curvilinear arc stator are analyzed with respect to key design parameters (i.e., arc radius, arc thickness and actuator thickness). Study of stator vibration behavior clearly suggests an optimal actuator size and location to efficiently excite the desirable ultrasonic natural mode dominated by the micro-bending control action.
Sponsorship	Dynamic Systems and Control Division
Starting Page	109
Ending Page	116
Page Count	8
File Format	PDF
ISBN	0791837130
DOI	10.1115/IMECE2003-42409
Volume Number	Dynamic Systems and Control, Volumes 1 and 2
Conference Proceedings	ASME 2003 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2003-11-15
Publisher Place	Washington, DC, USA
Access Restriction	Subscribed
Subject Keyword	Distributed actuator Piezoelectric motor Smart structure Curvilinear motor Design Smart structures Actuators Electrodynamics Adaptive structures Membranes Vibration Piezoelectric actuators Stators Motors Engines
Content Type	Text
Resource Type	Article

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