Defect-free synthesis of Stephenson-III motion generators

W. M. Hwang, Y. J. Chen

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


The main purpose of this article is to present a method for the dimensional synthesis of Stephenson-III motion generators without order, circuit, and branch defects. Using the concepts of the coupler curve of a four-bar linkage, the accessible region of a dyad, and the geometric feature of dead-centre configurations, a procedure is proposed for identifying the different circuits and branches of a Stephenson-III mechanism. Using the characteristics of order, circuit, and branch defects, the constraint equations to avoid them are presented. An optimization approach is proposed for the dimensional synthesis of defect-free Stephenson-III motion generators. An example is given to demonstrate the feasibility of the proposed method.

Original languageEnglish
Pages (from-to)2485-2494
Number of pages10
JournalProceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
Issue number12
Publication statusPublished - 2008 Dec

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering


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