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research-article

DETECTION OF DEGENERATE STRUCTURE IN SINGLE DEGREE-OF-FREEDOM PLANETARY GEAR TRAINS

[+] Author and Article Information
Venkata Kamesh Vinjamuri

University College of Engineering, JNTUK KAKINADA-533003 East Godavari District Andhra Pradesh INDIA
kameshvv@gmail.com

Mallikarjuna Rao Kuchibhotla

University College of Engineering, JNTUK KAKINADA-533003 East Godavari District Andhra Pradesh INDIA
rangaraokuchibhotla@gmail.com

Balaji Srinivasa Rao Annambhotla

Sri Vasavi Institute of Engineering and Technology NANDAMURU, Pedana Mandal Krishna District Andhra Pradesh INDIA
absrao71@gmail.com

1Corresponding author.

ASME doi:10.1115/1.4036782 History: Received January 13, 2017; Revised April 24, 2017

Abstract

Graph theory is a powerful tool in structural synthesis and analysis of planetary gear trains. In this paper, a new algorithm has been developed for detecting degenerate structure in planetary gear trains. The proposed algorithm is based on the concept of fundamental circuits’ rotation graphs. Detection of degeneracy is entirely based on finding one key element. The key element or link that makes planetary gear train into two groups is found in this work. The main advantage of the proposed method lies in the drastic reduction in the required combinatorial analysis compared to other methods available. Algorithm is implemented on 4, 5, 6, 7, 8 ,9-link 1-degree of freedom (dof) planetary gear trains in Appendix I. Results are presented in the Appendix II.

Copyright (c) 2017 by ASME
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