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Ingeniería
Print version ISSN 0121-750X
Abstract
BELTRAN-BERNAL, Nestor Andres; RODRIGUEZ-MOLANO, Jose Ignacio and MENDOZA-PATINO, Diego Ernesto. Transgenic Algorithm Applied to the Job Shop Rescheduling Problem. ing. [online]. 2024, vol.29, n.1, e21162. Epub May 23, 2024. ISSN 0121-750X. https://doi.org/10.14483/23448393.21162.
Context:
Job sequencing has been approached from a static perspective, without considering the occurrence of unexpected events that might require modifying the schedule, thereby affecting its performance measures.
Method:
This paper presents the development and application of a genetic algorithm to the Job Shop Rescheduling Problem (JSRP), a reprogramming of the traditional Job Shop Scheduling Problem. This novel approach seeks to repair the schedule in such a way that theoretical models accurately represent real manufacturing environments.
Results:
The experiments designed to validate the algorithm aim to apply five classes of disruptions that could impact the schedule, evaluating two performance measures. This experiment was concurrently conducted with a genetic algorithm from the literature in order to facilitate the comparison of results. It was observed that the proposed approach outperforms the genetic algorithm 65 % of the time, and it provides better stability measures 98 % of the time.
Conclusions:
The proposed algorithm showed favorable outcomes when tested with well-known benchmark instances of the Job Shop Scheduling Problem, and the possibility of enhancing the tool’s performance through simulation studies remains open.
Keywords : disruptions; efficiency; stability; job shop; rescheduling; transgenic algorithm.