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作者:

Du, Yunsong (Du, Yunsong.) | Li, Tiemin (Li, Tiemin.) | Gao, Guohua (Gao, Guohua.) (学者:高国华)

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EI Scopus SCIE

摘要:

This paper presents the dynamic analysis of a flexure-based compliant stage. The dynamic model is first obtained, after which the equivalent masses of the flexure hinge, including the axial equivalent mass, the bending equivalent mass, and the shear equivalent mass, are derived. According to this method, the equivalent mass components of the proposed stage are derived by accumulating those of the output platform, input platform, and flexure hinges. Finally, to verify the validity of the proposed method, the first two resonant frequencies and the corresponding mode shapes are analyzed by using finite element analysis (FEA). An experimental platform is fabricated, and experimental results and FEA values appear to be in accordance with the theoretical calculations. This result demonstrates that the dynamic model and equivalent mass are accurate. The dynamic model provides an effective method for calculating equivalent masses, and dynamic characteristics can be precisely estimated from the corresponding analytical models.

关键词:

Resonant frequency Flexure hinge Flexure-based compliant stage Equivalent mass

作者机构:

  • [ 1 ] [Du, Yunsong]Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Beijing 100124, Peoples R China
  • [ 2 ] [Gao, Guohua]Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Beijing 100124, Peoples R China
  • [ 3 ] [Li, Tiemin]Tsinghua Univ, Dept Mech Engn, Mfg Engn Inst, Beijing 100084, Peoples R China

通讯作者信息:

  • [Du, Yunsong]Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Beijing 100124, Peoples R China

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来源 :

JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY

ISSN: 1738-494X

年份: 2018

期: 11

卷: 32

页码: 5223-5231

1 . 6 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:156

JCR分区:3

被引次数:

WoS核心集被引频次: 6

SCOPUS被引频次: 7

ESI高被引论文在榜: 0 展开所有

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