Integrated optimisation for production capacity, raw material ordering and production planning under time and quantity uncertainties based on two case studies

Wei Xu () and Dong-Ping Song ()
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Wei Xu: Material System Co., Ltd.
Dong-Ping Song: University of Liverpool

Operational Research, 2022, vol. 22, issue 3, No 23, 2343-2371

Abstract: Abstract This paper develops a supply chain (SC) model by integrating raw material ordering and production planning, and production capacity decisions based upon two case studies in manufacturing firms. Multiple types of uncertainties are considered; including: time-related uncertainty (that exists in lead-time and delay) and quantity-related uncertainty (that exists in information and material flows). The SC model consists of several sub-models, which are first formulated mathematically. Simulation (simulation-based stochastic approximation) and genetic algorithm tools are then developed to evaluate several non-parameterised strategies and optimise two parameterised strategies. Experiments are conducted to contrast these strategies, quantify their relative performance, and illustrate the value of information and the impact of uncertainties. These case studies provide useful insights into understanding to what degree the integrated planning model including production capacity decisions could benefit economically in different scenarios, which types of data should be shared, and how these data could be utilised to achieve a better SC system. This study provides insights for small and middle-sized firm management to make better decisions regarding production capacity issues with respect to external uncertainty and/or disruptions; e.g. trade wars and pandemics.

Keywords: Multi-stage supply chain; Raw material ordering and production planning; Capacity planning; Uncertainties; Case study; Genetic algorithms (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1007/s12351-020-00609-y

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