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Motion error based robust topology optimization for compliant mechanisms under material dispersion and uncertain forces
Wang XJ; Geng XY; Wang L; Wang RX(王睿星); Shi QH
发表期刊STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION
2018-06-01
卷号57期号:6页码:2161-2175
ISSN1615-147X
摘要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.
关键词Compliant Mechanisms Uncertainties Motion Accuracy Robust Design Topology Optimization
DOI10.1007/s00158-017-1847-5
收录类别SCI ; EI
语种英语
WOS记录号WOS:000433959900004
关键词[WOS]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研究方向Computer Science ; Engineering ; Mechanics
WOS类目Computer Science, Interdisciplinary Applications ; Engineering, Multidisciplinary ; Mechanics
项目资助者National Nature Science Foundation of China(11372025 ; Defense Industrial Technology Development Program(JCKY2013205B002 ; 1160212 ; JCKY2013601B001 ; 11572024) ; JCKY2016601B001)
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力学所作者排名3
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文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77510
专题流固耦合系统力学重点实验室
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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,2018,57(6):2161-2175.
APA Wang XJ,Geng XY,Wang L,王睿星,&Shi QH.(2018).Motion error based robust topology optimization for compliant mechanisms under material dispersion and uncertain forces.STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION,57(6),2161-2175.
MLA Wang XJ,et al."Motion error based robust topology optimization for compliant mechanisms under material dispersion and uncertain forces".STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION 57.6(2018):2161-2175.
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