Probabilistic tolerance allocation method for dynamic mechanical systems with periodic response and discontinuous forcing functions

F. Zhang, B. J. Gilmore, A. Sinha

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Tolerance allocation standards do not exist for mechanical systems whose response are time varying and are subjected to discontinuous forcing functions. Previous approaches based on optimization and numerical integration of the dynamic equations of motion encounter difficulty with determining sensitivities around the force discontinuity. The Alternating Frequency/Time approach is applied here to capture the effect of the discontinuity. The effective link length model is used to model the system and to account for the uncertainties in the link length, radial clearance and pin location. Since the effective link length model is applied, the equations of motion for the nominal system can be applied for the entire analysis. Optimization procedure is applied to the problem where the objective is to minimize the manufacturing costs and satisfy the constraints imposed on mechanical errors and design variables. Examples of tolerance allocation are presented for a single cylinder internal combustion engine.

Original languageEnglish (US)
Title of host publication21st Annual Design Automation Conference
Pages369-376
Number of pages8
Edition1
StatePublished - Dec 1 1995
EventProceedings of the 1995 ASME Design Engineering Technical Conference - Boston, MA, USA
Duration: Sep 17 1995Sep 20 1995

Publication series

NameAmerican Society of Mechanical Engineers, Design Engineering Division (Publication) DE
Number1
Volume82

Other

OtherProceedings of the 1995 ASME Design Engineering Technical Conference
CityBoston, MA, USA
Period9/17/959/20/95

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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