Çok Amaçlı Kısıtlama Gerçek Dünya Optimizasyon Problemlerini Çok Amaçlı Optimizasyon Algoritmaları ile Çözme

Yıl 2022, Sayı: 34, 234 - 238, 31.03.2022

Tolga Altinoz

https://doi.org/10.31590/ejosat.1079085

Öz

Gerçek dünya mühendislik optimizasyon problemlerinde, sistemlerin veya süreçlerin kusurlu koşulları nedeniyle birçok kısıtlamanın dikkate alınması gerekir. Bu nedenle, kısıtlama işleme yöntemleri optimizasyon algoritmalarına entegre edilmiştir. Ancak kısıtlamalar algoritma tarafından başarıldığı için değerleri dikkate alınmaz veya izlenmez. Alternatif olarak, kısıtlamaları hedeflere dönüştürmek mümkündür ve bu çok amaçlı kısıtlamalı gerçek dünya optimizasyon problemleri, çok amaçlı optimizasyon problemlerine dönüştürülür. Bu amaçla bu araştırmada, beş gerçek dünya mühendislik tasarım problemi, Dişli Tren Tasarımı, Basınçlı Kap Tasarımı, İki Çubuk Kafes Tasarımı, Disk Fren Tasarımı ve Titreşimli Platform Tasarımı problemleri olan çok amaçlı optimizasyon problemine dönüştürülmüştür. Problemler çok amaçlı optimizasyon algoritmaları (NSGA-II, MOEA/D, MOEA/D-DE, MPSO/D ve MOPSO) kullanılarak çözülmüş ve hiperhacim metriği kullanılarak performansları karşılaştırılmıştır.

Anahtar Kelimeler

Dişli Treni, Basınçlı Kap, İki Çubuk Kafes, Disk Fren, Titreşimli Platform, çok amaçlı optimizasyon, çok amaçlı optimizasyon, NSGA-II, MOEA/D, MOEA/D-DE, MPSO/D, MOPSO.

Solving Many-objective Constraint Real-World Optimization Problems with Multi-objective Optimization Algorithms

Öz

In real world engineering optimization problems many constraints must be considered due to the imperfect conditions of the systems or process. Therefore, constraint handling methods are integrated into optimization algorithms. However, since the constraints are succeeded by the algorithm, their value is not considered or watched. Alternatively, it is possible to convert constraints to objectives and these many-objective constraint real-world optimization problems are changed to many-objective optimization problems. In this research for this purpose five real world engineering design problems are converted into many-objective optimization problem which are Gear Train Design, Pressure Vessel Design, Two Bar Truss Design, Disc Brake Design and Vibrating Platform Design problems. The problems are solved by using multi-objective optimization algorithms (NSGA-II, MOEA/D, MOEA/D-DE, MPSO/D and MOPSO) and their performance is compared by using the hypervolume metric.

Anahtar Kelimeler

Gear Train, Pressure Vessel, Two Bar Truss, Disc Brake, Vibrating Platform, multi-objective optimization, many-objective optimization, NSGA-II, MOEA/D, MOEA/D-DE, MPSO/D, MOPSO

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