Quality in operational supply chain networks: an aerospace case study

Alzaman, Chaher; Bulgak, A.A.; Ramudhin, Amar

doi:10.1504/ijor.2010.036290

Cited by 8 publications

(8 citation statements)

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“…The study presented a mathematical formulation that integrates COQ into the modelling of an SC network for a single-product, three-echelon system and seeks to minimize the overall operational and quality costs. Then, Alzaman et al [6] presented a Supply Chain Network Design with a cost of quality integration in a case study of the aerospace industry solving by simulated annealing (SA)-based solution procedure to make decisions based on operational costs and quality related to non-conformance costs. Castillo-Villar et al [7] proposed supply-chain network modelling considering the Cost of Quality along with the conventional production and distribution costs with two solution methods based on a simulated annealing (SA) and a genetic algorithm (GA) were performed for computational experiments on test instances.…”

Section: Supply Chain Network Design (Scnd) Integrated Coqmentioning

confidence: 99%

“…Constraint (5) enforces that all manufacturers are producing enough products to meet customers' demand. Constraint (6) ensures that the number of incoming materials does not exceed the production capacity. Constraint 7and (8) specify that the sum of good and poor quality products of the manufacturer's production should be produced enough in order to be sufficient for the number of products delivered to customers and does not exceed its capacity given.…”

Section: Mathematical Modelmentioning

confidence: 99%

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Analysis of Supply Chain Network Design Model with Quality Cost

2019

Proceedings of 2019 the 9th International Workshop on Computer Science and Engineering

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Designing the supply chain network model that takes into account product quality could be one of the most key factors that significantly improve the performance of organizations and also affects the most customer satisfaction in a long-term period. However, this model is based on a single product and a single production stage. This paper aims at designing a three-echelon supply chain model including multiple suppliers, multiple manufacturers with multi-stages inspection, and multiple customers. The mathematical problem is formulated with Cost of Quality (COQ) integrated into Supply Chain Network Design (SCND) to minimize the total supply chain cost involving transportation costs and production costs. Further, the paper proposes a meta-heuristic called Particle Swarm Optimization algorithm used to solve the model for the supply chain lot size and sampling inspection strategy. From the numerical data of the case study, the developed technique can determine the minimum of total supply chain cost at quality inspection 30.95%.

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Section: Supply Chain Network Design (Scnd) Integrated Coqmentioning

confidence: 99%

Section: Mathematical Modelmentioning

confidence: 99%

Analysis of Supply Chain Network Design Model with Quality Cost

2019

Proceedings of 2019 the 9th International Workshop on Computer Science and Engineering

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“…However their model did not consider idle transportation. Other works in the area of supply chain modeling have been reviewed in previous work [23] and also did not address idle transportation time. This is might be due to the fact that supply chain transportation involves extremely long distance travel (i.e.…”

Section: Literature Reviewmentioning

confidence: 99%

Effect of Excluding Travel Time Variations in Urban Areas on Emissions

Alzaman¹

2013

Ind Eng Manage

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The literature on Green Supply Chains is growing in importance as production and transportation of goods make a significant contribution to greenhouse emissions worldwide. The literature indicates an increasing number of papers in the field but however also shows a gap for further research. This work looks at transportation through urban areas with high population densities and evaluates the impact of idle transportation time which is due to frequent stops through congested traffic. The work compares fuel consumption costs, and their corresponding CO 2 emissions, due to driving time variations to the case when idle time and driving time variations are not considered. This work is a comparison study between the case when driving time variations is not considered and the case when it's included. The overall goal is to show how significant are the CO 2 emissions due to driving time variations in a supply chain network of which transportation runs through urban sprawls.

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“…When COQ is not included, choices made solely on production costs could sacrifice quality and lead to additional quality nonconformance costs or corrective action costs in the subsequent stages of the SC. More recently, Alzaman et al [5] established a mathematical model, considering an level bill of materials, that incorporates a known COQ quadratic function based on a defect ratio at all SC nodes. As assumed in Ramudhin et al 's work, the COQ function is known and is based on Juran's original model [6].…”

Section: Introductionmentioning

confidence: 99%

Design and Optimization of Capacitated Supply Chain Networks Including Quality Measures

Castillo-Villar

Smith

Herbert-Acero

2014

Mathematical Problems in Engineering

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This paper presents (1) a novel capacitated model for supply chain network design which considers manufacturing, distribution, and quality costs (named SCND-COQ model) and (2) five combinatorial optimization methods, based on nonlinear optimization, heuristic, and metaheuristic approaches, which are used to solve realistic instances of practical size. The SCND-COQ model is a mixed-integer nonlinear problem which can be used at a strategic planning level to design a supply chain network that maximizes the total profit subject to meeting an overall quality level of the final product at minimum costs. The SCND-COQ model computes the quality-related costs for the whole supply chain network considering the interdependencies among business entities. The effectiveness of the proposed solution approaches is shown using numerical experiments. These methods allow solving more realistic (capacitated) supply chain network design problems including quality-related costs (inspections, rework, opportunity costs, and others) within a reasonable computational time.

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Quality in operational supply chain networks: an aerospace case study

Cited by 8 publications

References 0 publications

Analysis of Supply Chain Network Design Model with Quality Cost

Analysis of Supply Chain Network Design Model with Quality Cost

Effect of Excluding Travel Time Variations in Urban Areas on Emissions

Design and Optimization of Capacitated Supply Chain Networks Including Quality Measures

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