Development and analysis of a bridge-lever-type displacement amplifier based on hybrid flexure hinges

被引：71

作者：

Dong, Wei ^{[1
]}

Chen, Fangxin ^{[1
]}

Gao, Futian ^{[1
]}

Yang, Miao ^{[1
]}

Sun, Lining ^{[1
]}

Du, Zhijiang ^{[1
]}

Tang, Jiong ^{[2
]}

Zhang, Dan ^{[3
]}

机构：

[1] Harbin Inst Technol, State Key Lab Robot & Syst, 2 Yikuang St, Harbin 150080, Heilongjiang, Peoples R China

[2] Univ Connecticut, Dept Mech Engn, Unit 3139, 191 Auditorium Rd, Storrs, CT 06269 USA

[3] York Univ, Dept Mech Engn, Lassonde Sch Engn, 4700 Keele St, Toronto, ON M3J 1P3, Canada

来源：

PRECISION ENGINEERING-JOURNAL OF THE INTERNATIONAL SOCIETIES FOR PRECISION ENGINEERING AND NANOTECHNOLOGY | 2018年 / 54卷

基金：

中国国家自然科学基金;

关键词：

Displacement amplifier; Compact structure; Amplification ratio; Load capacity; Hybrid flexure hinges; AMPLIFICATION RATIO; DESIGN; OPTIMIZATION; MECHANISMS;

D O I：

10.1016/j.precisioneng.2018.04.017

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Bridge-type mechanism is one of the most widely used displacement amplifiers in micro scale applications due to its compact and symmetrical structure. However, a drawback of the bridge-type mechanism that restricts its further applications is the limited amplification ratio. To solve this problem, a bridge-lever-type displacement amplifier is developed and analyzed in this paper. Compared with the conventional design, the proposed amplifier not only maintains a compact and symmetrical structure, but also features a high amplification ratio and high load capacity. To reduce the displacement loss of the amplifier and enhance its load capacity, the hybrid flexure hinges are employed in the novel design. Furthermore, the kineto-static model based on the compliance matrix method and the dynamic model based on Lagrangian method are established to analyze the bridge-lever-type amplifier. Finally, a prototype is fabricated whose amplification ratio is approximately 48 and 34 in the case of zero load and 30 N load respectively, which is confirmed by FEA simulation and experimental study.

引用

页码：171 / 181

页数：11

共 29 条

[1] Design and analysis of a three-dimensional bridge-type mechanism based on the stiffness distribution [J].

Chen, Fangxin ;

Du, Zhi-jiang ;

Yang, Miao ;

Gao, Futian ;

Dong, Wei ;

Zhang, Dan .

PRECISION ENGINEERING-JOURNAL OF THE INTERNATIONAL SOCIETIES FOR PRECISION ENGINEERING AND NANOTECHNOLOGY, 2018, 51 :48-58

[2] A tensural displacement amplifier employing elliptic-arc flexure hinges [J].

Chen, Guimin ;

Ma, Yakun ;

Li, Jiajie .

SENSORS AND ACTUATORS A-PHYSICAL, 2016, 247 :307-315

[3] A new generalized model for elliptical arc flexure hinges [J].

Chen, Guimin ;

Shao, Xiaodong ;

Huang, Xinbo .

REVIEW OF SCIENTIFIC INSTRUMENTS, 2008, 79 (09)

[4] A piezo-driven compliant stage with double mechanical amplification mechanisms arranged in parallel [J].

Choi, Kee-Bong ;

Lee, Jae Jong ;

Hata, Seiichi .

SENSORS AND ACTUATORS A-PHYSICAL, 2010, 161 (1-2) :173-181

[5] A magnification device for precision mechanisms featuring piezoactuators and flexure hinges: Design and experimental validation [J].

Choi, S. B. ;

Han, S. S. ;

Han, Y. M. ;

Thompson, B. S. .

MECHANISM AND MACHINE THEORY, 2007, 42 (09) :1184-1198

[6] A two-dimensional nano-positioner: Design, modelling and experiments [J].

Dong, Wei ;

Chen, Fangxin ;

Li, Haiyang ;

Yang, Miao ;

Du, Zhijiang .

ROBOTICS AND COMPUTER-INTEGRATED MANUFACTURING, 2017, 48 :167-173

[7] Note: A piezo tip/tilt platform: Structure, kinematics, and experiments [J].

Du, Z. ;

Su, Y. ;

Yang, W. ;

Dong, W. .

REVIEW OF SCIENTIFIC INSTRUMENTS, 2014, 85 (04)

[8] Static deformation modeling and analysis of flexure hinges made of a shape memory alloy [J].

Du, Zhijiang ;

Yang, Miao ;

Dong, Wei ;

Zhang, Dan .

SMART MATERIALS AND STRUCTURES, 2016, 25 (11)

[9]

Hazelton AJ, 2000, FLEXURES ELEMENTS EL

[10]

Hui Tang, 2013, 2013 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2013), P1531, DOI 10.1109/IROS.2013.6696552

← 1 2 3 →