کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
801995 1467780 2012 21 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Optimum synthesis of motion generating four-bar mechanisms using alternate error functions
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی صنعتی و تولید
پیش نمایش صفحه اول مقاله
Optimum synthesis of motion generating four-bar mechanisms using alternate error functions
چکیده انگلیسی

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.


► We formulate three error functions for motion generation using four bar mechanism.
► Two of the formulated error functions are newly proposed.
► Differential evolution is used as the optimization method.
► We present comparative results for the three error functions.
► The newly proposed error functions provide alternative to commonly used error functions.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Mechanism and Machine Theory - Volume 54, August 2012, Pages 41–61
نویسندگان
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