Kinematic analysis of planetary gear systems using block diagrams

Mi Ching Tsai, Cheng Chi Huang, Bor Jeng Lin

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)

Abstract

This paper employs control techniques to analyze kinematic relationships via block diagrams for planetary gear systems. The revealed tangent-velocity equations at each contact point of the mechanical gearsets are utilized to plot the block diagrams. Then, the concepts of feedback and feedforward strategies are adopted to illustrate speed-reduction and increasing functions in kinematics with sensitivity analysis. The structural difference between unusual planetary gears and common ones is also explained based on the characteristic equation of feedback strategies for structural constraints in terms of stability conditions. A cam-controlled planetary gear is further illustrated for the constraint and kinematic analysis by using the block diagram technique and characteristic equation, and the computational simulations for the sensitivity and the motion output of this planetary gear are obtained. Through the correspondence between control and kinematics, this paper provides a guide for engineers in various ?elds to easily understand the function of mechanical design.

Original languageEnglish
Pages (from-to)650011-6500110
Number of pages5850100
JournalJournal of Mechanical Design, Transactions of the ASME
Volume132
Issue number6
DOIs
Publication statusPublished - 2010 Jun 1

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Computer Science Applications
  • Computer Graphics and Computer-Aided Design

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