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research article

Design of a quality control network for an international food company

Voldrich, Simone  
•
Wieser, Philippe  
•
Zufferey, Nicolas
January 1, 2020
Infor

In this article, the design of a quality control network is considered in an entire supply chain, in the context of an international food and beverage company, denoted as ABC. For each possible control point of the network, two decisions have to be made: (1) establish a monitoring activity or not; (2) if a monitoring activity is placed, determine its acceptance level with a well-adjusted sampling plan. The objective function to minimize consists of a weighted sum of two conflicting components, namely risk (of having bad units) and processing time (to control the product batch itself). Indeed, for each control point, an accurate monitoring activity reduces risk but augments processing time. Each monitoring activity has a specific cost (if selected) and a budget constraint has to be satisfied for the entire network. Various solutions methods are proposed to tackle this NP-hard problem, ranging from a basic greedy heuristic to advanced metaheuristics involving tabu search as an internal procedure. CPLEX can be used for very small instances (with less than 20 control points), for which a basic tabu search can obtain similar results much quicker (in a fraction of second). The experiments for larger instances highlight the importance of having a good control (in terms of the involved search trajectory in the solution space) on the search process, as the methods with well-tuned diversification mechanisms perform best.

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Type
research article
DOI
10.1080/03155986.2018.1533206
Web of Science ID

WOS:000524679100001

Author(s)
Voldrich, Simone  
Wieser, Philippe  
Zufferey, Nicolas
Date Issued

2020-01-01

Publisher

TAYLOR & FRANCIS INC

Published in
Infor
Volume

58

Issue

1

Start page

1

End page

16

Subjects

Computer Science, Information Systems

•

Operations Research & Management Science

•

Computer Science

•

quality control

•

food industry

•

metaheuristics

•

tabu search

•

combinatorial optimization

•

variable neighborhood search

•

supply chain

•

risk analysis

•

lead time

•

optimization

•

perspectives

•

management

•

reduction

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LEM-CDM  
Available on Infoscience
April 23, 2020
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/168331
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