Robust supplier-selection and order-allocation in two-echelon supply networks: A parametric tolerance design approach

In this paper, we study the integrated supplier-selection and order-allocation problem in a two-echelon make-to-order supply chain motivated by the belt conveyor industry. In our setting, the Original Equipment Manufacturer (OEM) can source its single product from multiple suppliers in the first ech...

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Vydané v:Computers & industrial engineering Ročník 171; s. 108394
Hlavní autori: Ahmad, Md. Tanweer, Firouz, Mohammad, Mondal, Sandeep
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Elsevier Ltd 01.09.2022
Predmet:
Mixed-integer non-linear programming
Order allocation
Product supply network
Supplier selection
Taguchi Method of Tolerance Design
Taguchi Method of Tolerance Design
Supplier selection
Order allocation
Product supply network
Mixed-integer non-linear programming
ISSN:0360-8352, 1879-0550
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Shrnutí:In this paper, we study the integrated supplier-selection and order-allocation problem in a two-echelon make-to-order supply chain motivated by the belt conveyor industry. In our setting, the Original Equipment Manufacturer (OEM) can source its single product from multiple suppliers in the first echelon who themselves source the sub-components of the product from multiple other suppliers in the second echelon. Within the second echelon, the suppliers fall into clusters of product supply networks based on their capability to produce a part. OEM in our setting is interested in determining the optimal tolerances for its supply network members to operate so as to minimize the variability introduced into the total supply chain costs. To obtain the optimal supplier-selection and order-allocations under a periodic review demand policy, we model the problem as a mixed-integer non-linear programming (MINLP) formulation. We further incorporate the Taguchi Method of Tolerance Design (TMTD) into our model, leading to robustness of our solutions while maintaining optimality in supplier-selection and order-allocation decisions. We test our model using a real-world case study and derive critical insights. Our numerical results demonstrate a 51% improvement in coefficient of variation of the objective function when our method is applied to the real life case study. Additionally, we show that as the level of confidence of the decision-maker on the range for a critical parameter increases, the gains from our methodology significantly increase. •Joint supplier-selection and order allocation for a two-echelon supply network is studied.•Product supply network is considered under a periodic demand policy.•To attain optimal tolerances, a three-phase method based on Taguchi Method of Tolerance Design is proposed.•Reduction in the variability of overall cost is analyzed and critical insights are derived.•Supply chain robustness is verified through simulation.
ISSN:0360-8352
1879-0550
DOI:10.1016/j.cie.2022.108394