Multi objective optimization of planetary gear train

  • Authors:

  • Vipin K. Tripathi;Hiten M. Chauhan

  • Affiliations:

  • Department of Mechaninical Engineering, College of Engineering, Pune;Department of Mechaninical Engineering, College of Engineering, Pune

  • Venue:
  • SEAL'10 Proceedings of the 8th international conference on Simulated evolution and learning
  • Year:
  • 2010

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Abstract

In present work, multi-objective optimization of multi-stage planetary gear train is done. Optimization of multi-stage speed reducer is difficult due to involvement of integer variables. Minimizing surface fatigue life factor and minimization of volume of gear box are two conflicting objective functions under consideration. Two methods, one classical (SQP) and other nontraditional (NSGA-II) have been used for analysis to satisfy strength and other geometric criteria. Previous work is concentrated on optimization of spur or helical gears. This work is an extension to earlier work in a sense that planetary gear train with reduced speed involves more geometric constraints.