Smart Structures and Systems

  • 제22권4호
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  • Pages.469-479
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  • 2018
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  • 1738-1584(pISSN)
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  • 1738-1991(eISSN)
테크노프레스 (Techno-Press)
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DOI QR Code

Weighted sum Pareto optimization of a three dimensional passenger vehicle suspension model using NSGA-II for ride comfort and ride safety

  • Bagheri, Mohammad Reza (School of Mechanical Engineering, Malek-Ashtar University of Technology) ;
  • Mosayebi, Masoud (School of Mechanical Engineering, Malek-Ashtar University of Technology) ;
  • Mahdian, Asghar (School of Mechanical Engineering, Malek-Ashtar University of Technology) ;
  • Keshavarzi, Ahmad (Department of Mechanical Engineering, Khomeinishahr Branch, Islamic Azad University)
  • 투고 : 2018.08.03
  • 심사 : 2018.09.20
  • 발행 : 2018.10.25
⟨ 이전 논문 다음 논문 ⟩

초록

The present research study utilizes a multi-objective optimization method for Pareto optimization of an eight-degree of freedom full vehicle vibration model, adopting a non-dominated sorting genetic algorithm II (NSGA-II). In this research, a full set of ride comfort as well as ride safety parameters are considered as objective functions. These objective functions are divided in to two groups (ride comfort group and ride safety group) where the ones in one group are in conflict with those in the other. Also, in this research, a special optimizing technique and combinational method consisting of weighted sum method and Pareto optimization are applied to transform Pareto double-objective optimization to Pareto full-objective optimization which can simultaneously minimize all objectives. Using this technique, the full set of ride parameters of three dimensional vehicle model are minimizing simultaneously. In derived Pareto front, unique trade-off design points can selected which are non-dominated solutions of optimizing the weighted sum comfort parameters versus weighted sum safety parameters. The comparison of the obtained results with those reported in the literature, demonstrates the distinction and comprehensiveness of the results arrived in the present study.

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과제정보

연구 과제 주관 기관 : Malek-Ashtar University of Technology of Iran

참고문헌

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