Abstract
This paper addresses the cost minimization problem of an integrated production-inventory model which has optimized by analytical method and evolutionary algorithm. We have formulated our model for items that deteriorate with respect to time and follow Weibull distribution. For controlling deterioration rate, we have used preservation technology. Further, we assumed that ordering cost is lot size dependent. Classical optimization methods demonstrate a number of difficulties when faced with complex problems. Moreover, most of the classical optimization methods do not have the global perspective and often get converged to a locally optimum solution. Genetic algorithm (GA) is an adaptive heuristic search algorithm based on the evolutionary ideas of natural selection and genetics. In this model, we optimized our model by gradient-based analytical method and GA in integrated as well as independent scenario. Numerical example is carried out. Sensitivity of different inventory parameters is carried out. The results of the proposed model help researchers to think about optimizing their complex problems using different evolutionary search algorithm.
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Talati, I., Mishra, P., Shaikh, A. (2021). An Analytic and Genetic Algorithm Approach to Optimize Integrated Production-Inventory Model Under Time-Varying Demand. In: Shah, N.H., Mittal, M. (eds) Soft Computing in Inventory Management. Inventory Optimization. Springer, Singapore. https://doi.org/10.1007/978-981-16-2156-7_8
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