Abstract
Complex systems like combat vehicles contain numerous subsystems and components. Therefore, simultaneous consideration of hierarchy of a system, subsystems, and components is necessary for optimization. Multidisciplinary design optimization techniques have been researched to design the complex system. However most of these techniques premise integration process of total system which requires great time and cost. To reduce time and cost for the integration process, we introduce a target cascading technique that optimizes complex hierarchy system with several subproblems of each subsystem and component. Another challenge is to improve the firing accuracy of combat vehicle under various uncertainties. Robust design is therefore necessary to improve the firing accuracy of combat vehicles. To utilize these two concepts in optimization process, statistical information of firing angle is used as linking variables for problem formulation of robust target cascading. Furthermore, analysis of variance, surrogate modeling and statistical approach evaluating firing accuracy are employed to enhance efficiency of optimization. Finally, optimum design of a combat vehicle is achieved by using robust target cascading while improving firing accuracy.
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Recommended by Associate Editor Ki-Hoon Shin
Shinyu Kim received his B.S. degree at the Department of Mechanical Engineering, Hanyang University in 2014. In 2014, he joined integrated Ph.D. program at the Department of Automotive Engineering, Hanyang University. His research interest includes reliability based design optimization and multidisciplinary design optimization.
Tae Hee Lee is a Professor at the Department of Automotive Engineering, Hanyang University, Seoul, Korea, and serves currently as a President of Korean Society of Design Optimization and Executive Committee members of Asian Society of Structural and Multidisciplinary Optimization (ASSMO). He received Ph.D. degree at the University of Iowa in 1991. He received an award for excellence in academic achievement in 2013 from Korean Society for Mechanical Engineers. He was Plenary Lecturer of CJK-OSM8 in 2004 and WCCM in 2016. His research interests include design optimization, design and analysis of computer experiments, design under uncertainty, and surrogate model based optimization.
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Kim, S., Lim, W., Kim, H. et al. Robust target cascading for improving firing accuracy of combat vehicle. J Mech Sci Technol 30, 5577–5586 (2016). https://doi.org/10.1007/s12206-016-1126-1
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DOI: https://doi.org/10.1007/s12206-016-1126-1