Optimum synthesis of motion generating four-bar mechanisms using alternate error functions

被引：39

作者：

Gogate, Gunesh R. ^{[2
]}

Matekar, Sanjay B. ^{[1
]}

机构：

[1] Pimpri Chinchwad Coll Engn, Dept Mech Engn, Pune 411044, Maharashtra, India

[2] Neha Engn Solut, Pune 411009, Maharashtra, India

来源：

MECHANISM AND MACHINE THEORY | 2012年 / 54卷

关键词：

Optimization; Evolutionary methods; Differential evolution; Mechanism synthesis; Motion generation; Error function; DIFFERENTIAL EVOLUTION; DIMENSIONAL SYNTHESIS; PLANAR LINKAGES; SEARCH; DESIGN; OPTIMIZATION; ALGORITHM;

D O I：

10.1016/j.mechmachtheory.2012.03.007

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This paper addresses the problem of optimum synthesis of motion generating four-bar mechanisms using evolutionary methods. Formulation of objective functions based on three different error functions is presented, which ensures that the synthesized mechanism is a crank-rocker, and is free from branch and order defects. One of the three error functions is an obvious choice, whereas the other two error functions are newly formulated making use of the basic theory of planar motion of a rigid body and motion generating four-bar mechanisms. The method of differential evolution is used to carry out the optimization for the three objective functions. Results for three problems are presented, all of which fall in the category of motion generation without prescribed timing. Results obtained using the three error functions are compared with regard to accuracy and computational time, on the basis of which conclusions are drawn regarding their relative performance. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：41 / 61

页数：21

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