A magnification device for precision mechanisms featuring piezoactuators and flexure hinges: Design and experimental validation

被引：100
作者：
Choi, S. B. [1 ]
Han, S. S.
Han, Y. M.
Thompson, B. S.
机构：
[1] Inha Univ, Dept Mech Engn, Smart Struct & Syst Lab, Inchon 402751, South Korea
[2] Michigan State Univ, Dept Mech Engn, E Lansing, MI 48824 USA
来源：
MECHANISM AND MACHINE THEORY | 2007年 / 42卷 / 09期
关键词：
D O I：
10.1016/j.mechmachtheory.2006.08.009
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This work present, an experimentally-validated approach for designing a precision magnification mechanism featuring flexure hinges and piezoelectric actuators. The governing equations of motion are derived using Lagrange's equation and a two-step amplification mechanism is optimally designed and fabricated. Subsequently the analytical model is verified experimentally by comparing the simulated magnification ratio with experimental data. The device is then integrated with a piezostack actuator, and subsequently tracking control responses for step and sinusoidal trajectories are empirically evaluated in the time domain. Finally, an animation code is developed for the mechanism and some snapshots are presented. (c) 2006 Elsevier Ltd. All rights reserved.
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收藏
页码：1184 / 1198
页数：15
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