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Development of Parallel Genetic Algorithm and Application to Small Modular Fast Reactor Design Optimization : 다목적 유전자 연산법을 이용한 소형 조립식 고속로 설계 최적화
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- Authors
- Advisor
- Kune Yull Suh
- Major
- 공과대학 에너지시스템공학부
- Issue Date
- 2017-08
- Publisher
- 서울대학교 대학원
- Keywords
- Genetic Algorithm ; Multiobjective Optimization ; Nondominated Sorting ; Valuable Phenotype ; Small Modular Fast Reactor
- Description
- 학위논문 (석사)-- 서울대학교 대학원 공과대학 에너지시스템공학부, 2017. 8. Kune Yull Suh.
- Abstract
- In multi-objective nuclear reactor design problem, instead of implementing a single-objective optimization scalarized from the multi-objective problem, for example, by assigning each objective an importance, it is beneficial to provide a trade-off-surface to the decision maker for further consideration. However, the relatively expensive calculation in the nuclear reactor design prevents the true Pareto front to be established. Instead, the pseudo-trade-off surface is usually provided. Thus, when a preferred solution has been decided, the decision maker comes to face the question that whether this solution is the non-dominated solution. The Genetic Algorithm with the valuable phenotype archival rule developed in this work abnegates the logic that higher quality individuals should have the priority to be selected. The new rule addresses more about of the balanced accomplishment of the objectives rather than pitch into the elitism. This Optimized Logic Genetic Algorithm has demonstrated its efficiency and robustness in assisting the designer to obtain the better flexibility by providing the diverse potential solutions that can dominate or are similar to the interested solution on the pseudo-trade-off surface.
- Language
- English
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