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Multistage Random Key Genetic Algortihm Optimization for Scheduling Flexible Flow Lines with Sequence Depenedent Setup Times

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Publicado en:ProQuest Dissertations and Theses (2025)
Autor principal: Anbuvanan, Aadithan
Publicado:
ProQuest Dissertations & Theses
Materias:
Scheduling
Gene expression
Mutation
Genetic algorithms
Genetic engineering
Chromosomes
Design
Job shops
Python
Optimization algorithms
Traveling salesman problem
Acceso en línea:Citation/Abstract
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Resumen:This thesis proposes a new variation to the Random Key Genetic Algorithm (RKGA) for scheduling optimization in flexible flow line manufacturing with sequence dependent setup times. The proposed RKGA representation decodes scheduling information independently at each stage, unlike the traditional RKGA, which is only sequenced based on the first stage, limiting flexibility. The proposed method's performance is compared to the traditional method with varying numbers of jobs and stages. It is compared regarding performance ratio and statistical significance of differences through the Wilcoxon Signed Rank Test. Results show that the proposed RKGA outperformed traditional RKGA in high complexity (8 Stage system) and low complexity scenarios, and the traditional RKGA performs better and more consistently. This thesis demonstrates that a dynamic chromosome can impact solution quality.
ISBN:9798290643489
Fuente:ProQuest Dissertations & Theses Global