International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Most Trusted Research Journal Since Year 2012

ISSN: 2319-7064



Research Paper | Automobile Engineering | China | Volume 3 Issue 6, June 2014

Optimization Design and Calculation of the Variable Stiffness Coil Spring Applied to Vehicles

Qu Xian, Zhao Shu-en

On the basis of action and requirements of variable stiffness coil spring; constrained nonlinear optimization mathematics model of variable stiffness coil spring is established. Using a certain car front suspension stiffness of helical springs as an example; spring wire diameter d; lap number n and spring index C are design variables; spring wire shear stress is less than the allowable shear stress for the constraint; spring KP is as large as possible and spring-mass is minimum for objective function. Then; using Optimization Toolbox to optimize design and calculate. Finally; the optimal design is calculated which use the front suspension of vehicle as example.The results show that the multi-objective mathematical optimization model is simple and accurate. Meanwhile; it overcome the shortcomings of the traditional error method and graphical method.

Keywords: multi-objective, optimal design, variable stiffness spring, vehicle

Edition: Volume 3 Issue 6, June 2014

Pages: 2562 - 2565


How to Cite this Article?

Qu Xian, Zhao Shu-en, "Optimization Design and Calculation of the Variable Stiffness Coil Spring Applied to Vehicles", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=2014819, Volume 3 Issue 6, June 2014, 2562 - 2565

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