Dimensional synthesis of a stephenson III six-bar slider-crank function generator using genetic algorithm

Ho Kyun Kim, Jae Kyung Shim

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


: Since recently, two-degree-of-freedom adjustable mechanisms have been widely used in many applications, such as variable displacement pumps and variable compression ratio engines. To design such an adjustable mechanism, a proper single-degree-of-freedom mechanism that can be transformed into a two-degree-of-freedom mechanism may first be synthesized, then links and joints can be added to modify the mechanism into an adjustable mechanism. This paper deals with the dimensional synthesis of a Stephenson HI six-bar slider-crank function generator, which is usually modified into an adjustable mechanism by adding one link and one joint. For this, displacement analysis equations were derived for the Stephenson III six-bar slider-crank mechanism, and a genetic algorithm was used to determine the dimensions of the mechanism that approximately satisfies a set of prescribed piston joint positions.

Original languageEnglish
Pages (from-to)333-338
Number of pages6
JournalTransactions of the Korean Society of Automotive Engineers
Issue number5
Publication statusPublished - 2020 May

Bibliographical note

Publisher Copyright:
© 2020 KSAE /174-04


  • Approximate dimensional synthesis
  • Function generation mechanism
  • Genetic algorithm
  • Optimization
  • Stephenson III six-bar slider-crank mechanism

ASJC Scopus subject areas

  • Automotive Engineering


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