Volume 29 Issue 7
Jul.  2014
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Article Navigation >  Journal of Aerospace Power  > 2014  >  (7): 1583-1590
YANG Jun, ZANG Chao-ping, LIU Yong-quan, WANG Xiao-wei, FENG Guo-quan. Taguchi method based tolerance design for rotor system dynamics[J]. Journal of Aerospace Power, 2014, (7): 1583-1590. doi: 10.13224/j.cnki.jasp.2014.07.010
Citation: YANG Jun, ZANG Chao-ping, LIU Yong-quan, WANG Xiao-wei, FENG Guo-quan. Taguchi method based tolerance design for rotor system dynamics[J]. Journal of Aerospace Power, 2014, (7): 1583-1590. doi: 10.13224/j.cnki.jasp.2014.07.010
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Taguchi method based tolerance design for rotor system dynamics

doi: 10.13224/j.cnki.jasp.2014.07.010

  • 1. Jiangsu Province Key Laboratory of Aerospace Power System, College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China;

  • 2. Shenyang Engine Design and Research Institute, Aviation Industry Corporation of China, Shenyang 110015, China

  • Received Date: 2013-04-10
  • Publish Date: 2014-07-28
    Abstract
  • A novel method based on Taguchi's method was proposed for tolerance design for rotor system dynamics. It reduces structural dynamic response variation of rotor system due to uncertainties of design parameters and assembly process, by tolerance design of manufacturing and assembly parameters. The approach was performed by the following steps:(1) Design parameters through orthogonal array experiments and ANOVA(analysis of variance), initially determining level combination of design parameters meeting design requirements;(2) Determine initial nominal value and range of design parameters for tolerance design, set up objective function and form multi-objective optimization;(3) Solve the multi-objective optimization problem by genetic algorithm and get the tolerance design results. A tolerance design of initial unbalanced discs assembly for a twin-spool aero-engine was carried out. The results show that bearing vibration response can be decreased by matching of initial unbalance amplitude and phase angle differences, and qualified rate of maximum bearing vibration response is increased from 17.7% to 97%, which can verify the feasibility of the method.

     

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