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IMECH-IR  > 流固耦合系统力学重点实验室(2012-)  > 期刊论文
Title:
Motion error based robust topology optimization for compliant mechanisms under material dispersion and uncertain forces
Author: Wang XJ; Geng XY; Wang L; Wang RX(王睿星); Shi QH
Source: STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION
Issued Date: 2018-06-01
Volume: 57, Issue:6, Pages:2161-2175
English Abstract: Due to the inevitable phenomena that multi-source uncertainty factors in compliant mechanisms, which generally originate from material dispersion and uncertain external forces, severely affect the output motion accuracy, the robustness assessment and optimization with high confidence and efficiency is of great significance for scientists and engineers. In view of this, this study develops a novel approach of robust topology synthesis for compliant mechanisms with desired motion output by minimizing the expectation of Taguchi quantity loss function. The sensitivities of the robustness index with respect to design variables are calculated by the method of adjoint vector. Furthermore, the solution procedures of motion error based robust topology synthesis for geometrically linear and non-linear compliant mechanisms are elaborated. Two engineering examples are eventually presented to demonstrate the validity and applicability of the developed methodology.
Keyword: Compliant mechanisms ; Uncertainties ; Motion accuracy ; Robust design ; Topology optimization
Language: 英语
Indexed Type: SCI ; EI
DOI: 10.1007/s00158-017-1847-5
DOC Type: Article
WOS Subject: Computer Science, Interdisciplinary Applications ; Engineering, Multidisciplinary ; Mechanics
WOS Subject Extended: Computer Science ; Engineering ; Mechanics
WOS Keyword Plus: LEVEL-SET METHOD ; GEOMETRICALLY NONLINEAR STRUCTURES ; PRINCIPAL COMPONENT ANALYSIS ; PURPOSE 6-BAR MECHANISM ; STRUCTURAL OPTIMIZATION ; CONTINUUM STRUCTURES ; SENSITIVITY-ANALYSIS ; TAGUCHI METHOD ; LENGTH SCALE ; DESIGN
WOS ID: WOS:000433959900004
ISSN: 1615-147X
Funder: National Nature Science Foundation of China(11372025 ; Defense Industrial Technology Development Program(JCKY2013205B002 ; 1160212 ; JCKY2013601B001 ; 11572024) ; JCKY2016601B001)
Classification: 一类
Ranking: 3
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/77510
Appears in Collections:流固耦合系统力学重点实验室(2012-)_期刊论文

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Recommended Citation:
Wang XJ,Geng XY,Wang L,et al. Motion error based robust topology optimization for compliant mechanisms under material dispersion and uncertain forces[J]. STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION,2018-06-01,57(6):2161-2175.
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