Development of a Piezo-Actuated High-Precision Flexible Parallel Mechanism

被引：0

作者：

Dong Wei ^{[1
]}

Shi Ruochong ^{[1
]}

Sun Pengfei ^{[2
]}

Du Zhijiang ^{[1
]}

Sun Lining ^{[1
]}

机构：

[1] Harbin Inst Technol, State Key Lab Robot & Syst, Harbin 150080, Peoples R China

[2] China Acad Space Technol, Beijing Inst Spacecraft Syst Engn, Beijing 100094, Peoples R China

来源：

2013 INTERNATIONAL CONFERENCE ON MANIPULATION, MANUFACTURING AND MEASUREMENT ON THE NANOSCALE (3M-NANO) | 2013年

关键词：

high-precision pointing mechanism; parallel mechanism; flexure hinges; structural optimization;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A flexible parallel manipulator was proposed for high-precision pointing, which employed flexure hinges as passive joints and oriented its moving platform along all six degrees of freedom by means of six independent piezoelectric actuators. A right-circular flexure hinge with high motion accuracy and large displacement was designed based on performance analysis. The parameters of parallel mechanism were optimized by multi-objective optimization on the foundation of inverse kinematics. Moreover, workspace determination and simulation analysis were performed based on the final designed mechanism. Finally, a high-precision pointing system was built up and the performance tests had been implemented, which validated the proposed system satisfied the requirement of design targets. The concept and approach outlined can be extended to a variety of applications.

引用

页码：119 / 123

页数：5

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