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《China Mechanical Engineering》 2016-24
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Multi-objective Optimization Model for Double-drive Feed System Based on NSGA_Ⅱ Algorithm

Huang Jun;Yuan Juntang;Wang Zhenhua;Nanjing University of Science and Technology;  
In order to satisfy lightweight and higher vibration performance requirements of the double drive feed system,a multi objective optimization design method was proposed based on the lightest mass,the best coupling mechanical properties and the higher first order natural frequency of the feed system.The optimization parameters were selected by the sensitivity method.A two order response surface model of the feed system is established by the orthogonal experimental design and the NSGA_Ⅱ algorithm is used as the solution algorithm.The calculation results show that the table mass is reduced by 0.3%,the maximum coupling stress is reduced by 5.9%,and first order natural frequency is increased by 9.32%.Finally,the correctness of double-drive feed system's optimization design method proposed herein was verified by the dynamic experiments.
【Fund】: 江苏省自然科学基金资助项目(BK20141400);; 国家科技重大专项(2015ZX04014021)
【CateGory Index】: TG502.3
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