On motion generation of watt i mechanisms for mechanical finger design

Shen Qiong, Wen Tzong Lee, Kevin Russell, Raj S. Sodhi

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


This work formulates and demonstrates a motion generation method for the synthesis of a particular type of planar six-bar mechanism-the Watt I mechanism. The Watt I mechanism is essentially a "stacked" four-bar mechanism (having two closed loops and a single degree of freedom). Extending the planar motion generation method of Suh and Radcliffe [11] to incorporate relative motion between moving pivots, Watt I mechanisms are synthesized to simultaneously approximate two groups of prescribed rigid-body poses for simultaneous dual motion generation capability. The example included demonstrates the synthesis of a finger mechanism to achieve a prescribed grasping pose sequence.

Original languageEnglish (US)
Pages (from-to)411-421
Number of pages11
JournalTransactions of the Canadian Society for Mechanical Engineering
Issue number3-4
StatePublished - 2008

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering


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