NSGA-II và SPEA2+SDE: Một nghiên cứu so sánh=NSGA-II and SPEA2+SDE: A comparative study

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Tác giả: Dr Anh Thang Le, Dr Xuan Binh Lam

Ngôn ngữ: vie

Ký hiệu phân loại:

Thông tin xuất bản: Tạp chí Xây dựng, 2024

Mô tả vật lý: tr.44

Bộ sưu tập: Metadata

ID: 479875

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Design Optimization is research area which was carried out a lot on the world, with many applications in the specifications of mechanical engineering, aerospace engineering, civil engineering. The global optimization methods are more effective than local optimization methods. In this article, the authors will deal with 2 multi-objective global optimization methods NSGA-II and SPEA2+SDE. The authors will do novel research about comparing the efficiencies of these multi-objective optimization methods. For the sample problems in this article, it is investigated that SPEA2+SDE can produce optimal solutions very close to exact Pareto front. In these circumstances, SPEA2+SDE is better than NSGA-II in finding multi-objective optimization and optimal front. It is also investigated that SPEA2+SDE will cost more computational time than NSGA-II. In summary, SPEA2+SDE is better than NSGA-II though SPEA2+SDE is more time-consuming. Keywords: Design optimization
multi-objective optimization Methods
SPEA2+SDE
NSGA-II.Thiết kế tối ưu là lĩnh vực nghiên cứu được thực hiện nhiều trên thế giới, với nhiều ứng dụng trong các chuyên ngành kỹ thuật cơ khí, kỹ thuật hàng không vũ trụ, kỹ thuật xây dựng. Các phương pháp tối ưu hóa toàn cục hiệu quả hơn các phương pháp tối ưu hóa cục bộ. Trong bài báo này, các tác giả sẽ nghiên cứu 2 phương pháp tối ưu toàn cục đa mục tiêu NSGA-II và SPEA2+SDE. Các tác giả sẽ nghiên cứu mới về so sánh các hiệu năng của các phương pháp tối ưu đa mục tiêu này. Đối với những bài toán mẫu trong bài báo này, chúng ta khám phá ra rằng SPEA2+SDE có thể xuất ra các lời giải tối ưu rất gần với mặt Pareto chính xác. Trong những tình huống này, SPEA2+SDE thì tốt hơn NSGA-II trong việc tìm tối ưu hóa đa mục tiêu và mặt tối ưu. Chúng ta cũng khám phá ra rằng SPEA2+SDE sẽ tốn nhiều thời gian tính toán hơn NSGA-II. Tổng kết lại, SPEA2+SDE thì tốt hơn NSGA-II cho dẫu SPEA2+SDE tốn nhiều thời gian hơn. Từ khóa: Thiết kế tối ưu
các phương pháp tối ưu hóa đa mục tiêu
SPEA2+SDE
NSGA-II.

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