Research on quality performance conceptual design based on SPEA2+

Authors:
Zhe Wei;Yixiong Feng;Jianrong Tan;Junhao Wu;Dandan Yang;Jinlong Wang
Affiliations:
States Key Lab of Fluid Power Transmission and Control, Zhejiang University, Hangzhou, 310027, China;States Key Lab of Fluid Power Transmission and Control, Zhejiang University, Hangzhou, 310027, China;States Key Lab of Fluid Power Transmission and Control, Zhejiang University, Hangzhou, 310027, China;Enterprise Information Department, China Telecom Hangzhou Subbranch, Hangzhou, 310066, China;General Office, Hangzhou Municipal Electric Power Burear Chenxi Branch, Hangzhou, 310024, China;School of Computer Engineering, Qingdao Technological University, Qingdao, 266033, China
Venue:
Computers & Mathematics with Applications
Year:
2009

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Abstract

In order to solve the multi-objective performance optimal problems, SPEA2+ is used to realize the performance design of injection molding machine. The optimization objectives are constructed to maximize mould control power, maximize injection quantity and minimize injection power. The mathematical model is found to optimize the problem. A solution is extracted to eliminate the imprecise nature of preference through the Pareto optimal set based on fuzzy set theory. Compared with NSGA-II and SPEA2, SPEA2+ could acquire the Pareto front with better distribution and smaller distance with the optimum solutions. Finally, the case illustration of HTG1000X3Y injection molding machine is taken as an example to demonstrate that such method is effective and practical. Effective references could be provided to decision makers for objectives tradeoff at the performance conceptual design stage of injection molding machine.