1. Design of an angular displacement piezoelectric actuator
- Author
-
Jing Zijian, Shubao Shao, Wu Tonghui, Chengsong Wu, and Minglong Xu
- Subjects
Engineering ,Piezoelectric coefficient ,Acoustics ,02 engineering and technology ,01 natural sciences ,Displacement (vector) ,Stack (abstract data type) ,Control theory ,0103 physical sciences ,Electrical and Electronic Engineering ,010302 applied physics ,Piezoelectric accelerometer ,business.industry ,Angular displacement ,Mechanical Engineering ,021001 nanoscience & nanotechnology ,Condensed Matter Physics ,Piezoelectricity ,Finite element method ,Computer Science::Other ,Electronic, Optical and Magnetic Materials ,Computer Science::Sound ,Mechanics of Materials ,0210 nano-technology ,business ,Voltage - Abstract
The piezoelectric actuator shows good control of micro linear displacement, but it cannot directly output the angular displacement. In this paper, an angular displacement piezoelectric actuator is proposed, which can amplify the displacement of the piezoelectric stack and realize angular displacement output just through one piezoelectric stack. Finite element modelling (FEM) simulations were used to analyse the angular displacement and the stress conditions. To verify the results of the FEM simulations, a prototype was manufactured and the experiments were performed. The maximum angle displacement was 0.85 ◦ when the driven voltage was 120 V.
- Published
- 2016