Abstract
Due to the uncertain fluctuations in a competitive business, storage costs are always unstable. The inventory design of an item is established in a stochastic situation with cost-based demand over a fixed time horizon. Order placement is linked with an advanced payment system in any business. Most existing inventory models are developed only by focusing on a single objective, which results in inaccurate sensitivity. To overcome such issues, this work focused on multiple objectives like total cost optimization, advanced payment, partial backlogging and cost-based demand with the help of the Emperor Penguin Optimization (EPO) algorithm. The Emperor Penguin Optimized Inventory Model (EPOIM) is proposed for the inventory management of two warehouse models. The two warehouses are developed with fixed capacity, and the corresponding inventory management is optimized based on the multiple defined objectives. Also, the proposed model can be extended in numerous ways. For example, it may extend the constant demand to a more generalized demand pattern that fluctuates with time. Also, it could consider the unit purchase cost, the inventory holding cost, and others, which also fluctuate with time. For result validation purposes, a Matlab environment is used. Parameters like sensitivity, optimum cost, algorithm convergence and statistical analysis are evaluated and compared with existing methods such as Constriction Coefficient-based Particle Swarm Optimization (PSO-CO), Weighted Quantity based PSO (WQPSO) and Genetic Quantity based PSO (GQPSO). When compared to existing methods, the proposed model obtains 3225.753256 as the average cost, which is 0.156% less than PSO-CO and GQPSO, as well as 0.157% less than WQPSO methods.
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Kumar, S., Mahapatra, R.P. EPOIM: an advanced optimization method for two warehouse inventory model. Multimed Tools Appl (2024). https://doi.org/10.1007/s11042-024-19064-4
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DOI: https://doi.org/10.1007/s11042-024-19064-4