An Investigation into Multi-Stage, Variable-Batch Scheduling Across Multiple Production Units
Journal Title: Journal of Engineering Management and Systems Engineering - Year 2024, Vol 3, Issue 1
Abstract
Against the backdrop of current market demands for a variety of products in small batches, traditional single-variety assembly lines are transitioning to variable production lines to accommodate the manufacturing of multiple similar products. This paper discusses the production unit as a microcosm of the variable production line, which boasts advantages such as smaller line scale, short setup times for changeovers, and ease of product scheduling. A mathematical model for splitting variable production lines into production units is established, with solutions at two levels: resource allocation and product scheduling. The upper-level model focuses on determining the number of production units and the distribution scheme of operators and equipment across multiple channels; the lower-level model addresses the product allocation problem, which is characterized by multiple stages, divisibility, variable batch sizes, and minimum batch size constraints. The solution approaches include a branch and bound method for small-scale problems to obtain optimal solutions, and an improved particle swarm optimization (PSO) algorithm for medium to large-scale problems to find near-optimal solutions. The innovation of the paper lies in the construction of the variable production line splitting model and the optimization algorithms for resource allocation and product scheduling.
Authors and Affiliations
Yi Du, T. K. Satish Kumar, Yongqiang Wang, Jialin Wang
Keywords
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- EP ID EP731764
- DOI 10.56578/jemse030101
- Views 49
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