Fixturing analysis for stability consideration in an automated fixture design system

Utpal Roy, Jianmin Liao

Research output: Contribution to journalArticlepeer-review

32 Scopus citations


Stability analysis plays a critical role in determining the applicability of a fixture design. This paper reports the development of a computational methodology for quantitatively analyzing the workpiece's stability in the automated fixture design (AFD) environment. In stability analysis, the virtual disturbance which is expressed as a wrench in the screw coordinates and has the same tendency as those fixturing and machining forces to destabilize the workpiece is adopted in the study, and the stability of the workpiece is characterized based on its capability to overcome the virtual disturbance. The stability characteristics for each fixturing configuration (i.e., positions for fixturing components of supporters, locators and clamps) itself are obtained from the stability analysis and used in the re-design process to determine the better design of fixturing configuration.

Original languageEnglish (US)
Pages (from-to)98-104
Number of pages7
JournalJournal of Manufacturing Science and Engineering
Issue number1
StatePublished - Feb 2002

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Mechanical Engineering
  • Computer Science Applications
  • Industrial and Manufacturing Engineering


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