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Dynamic Optimization of Vehicle Planetary Transmission Based on GA and FEA

  • Changle Xiang
  • Cheng Wang
  • Hui Liu
  • Zhongchang Cai
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 201)

Abstract

Based on the nonlinear model of vehicle planetary transmission, the dynamic optimization model is established. This work use a combined objective function, internal and external load sharing coefficients and peak-to-peak mesh forces of second stage planetary are taken as objectives. The structure parameters of transmission shafts are considered as design variables. Finite Element Analysis (FEA) is carried out to obtain the bending and torsional stiffness, and the maximal Von-Mises stress constraint. Innovatively, we propose and introduce the nonlinear characteristic constraint aim at increasing the reliability of optimization. The Isight-Matlab-Ansys co-simulation method is applied to build the optimization platform. Finally, the optimization moel of vehicle planetary transmission is solved by Genetic Algorithm (GA).

Keywords

Dynamic optimization Nonlinear Planetary transmission Genetic algorithm Chaos 

Notes

Acknowledgments

This work was partially supported by Natural Science Foundation of China (50905018,51075033). The authors would like to express gratitude to its financial support.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Changle Xiang
    • 1
    • 2
  • Cheng Wang
    • 1
    • 2
  • Hui Liu
    • 1
    • 2
  • Zhongchang Cai
    • 1
    • 2
  1. 1.School of Mechanical EngineeringBeijing Institute of TechnologyBeijingChina
  2. 2.Science and Technology on Vehicle Transmission LaboratoryBeijing Institute of TechnologyBeijingChina

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