Analysis and synthesis of mechanical error in universal joints

J. L. Cagney, S. S. Rao

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The modeling of manufacturing errors in mechanisms is a significant task to validate practical designs. The use of probability distributions for errors can simulate manufacturing variations and real world operations. This paper presents the mechanical error analysis of universal joint drivelines. Each error is simulated using a probability distribution, i.e., a design of the mechanism is created by assigning random values to the errors. Each design is then evaluated by comparing the output error with a limiting value and the reliability of the universal joint is estimated. For mis, the design is considered a failure whenever the output error exceeds the specified limit. In addition, the problem of synthesis, which involves the allocation of tolerances (errors) for minimum manufacturing cost without violating a specified accuracy requirement of the output, is also considered. Three probability distributions-normal, Weibull and beta distributions-were used to simulate the random values of the errors. The similarity of the results given by the three distributions suggests that the use of normal distribution would be acceptable for modeling the tolerances in most cases.

Original languageEnglish (US)
Title of host publicationOptimal Design and Mechanical Systems Analysis
PublisherAmerican Society of Mechanical Engineers (ASME)
Pages365-373
Number of pages9
ISBN (Electronic)9780791805213
DOIs
StatePublished - 1990
Externally publishedYes
EventASME 1990 Design Technical Conferences, DETC 1990 - Chicago, United States
Duration: Sep 16 1990Sep 19 1990

Publication series

NameProceedings of the ASME Design Engineering Technical Conference
Volume2

Conference

ConferenceASME 1990 Design Technical Conferences, DETC 1990
Country/TerritoryUnited States
CityChicago
Period9/16/909/19/90

ASJC Scopus subject areas

  • Mechanical Engineering
  • Computer Graphics and Computer-Aided Design
  • Computer Science Applications
  • Modeling and Simulation

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