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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