Designing a sustainable closed-loop supply chain network for walnut industry
TL;DR: A new Mixed Integer Linear Programming (MILP) for the proposed network is developed minimizing the overall costs of the walnut industry and its applicability and efficiency is illustrated.
Abstract: In the history of sustainable development, logistics has been thought of as one of the key factors in the supply chain network. In the meantime, the issue of Closed-loop Supply Chain (CLSC) has received considerable attention as it ensures many diverse industries toward sustainability. But many industries including agricultural section often fail to address and fulfill these requirements. In this study, a new CLSC network is designed for the walnut industry as a part of agricultural crop by conducting a complete review of the past studies. Therefore, a new Mixed Integer Linear Programming (MILP) for the proposed network is developed minimizing the overall costs of the walnut industry. The designed network considers both forward and reverse flow not only to meet the demands of various markets, but also to prepare the returned products for the second use. In order to solve the proposed model, a set of exact, metaheuristics, and hybrid metaheuristics are employed. Finally, the best solutions are obtained by assessing the finest initial answers using Taguchi method. The results notoriously illustrated the excellent consistency between the proposed network and the employed algorithms along with its applicability and efficiency.
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28 Sep 2014
TL;DR: This paper presents an experimental study of parameter design and tolerance design for dynamic characteristics in the context of Offline and online quality control.
Abstract: Contents: Variety and Quality. Variability loss and tolerance. Determining tolerances. Tolerance design and experimental design. Offline and online quality control. Parameter design and tolerance design: case study. Experimental design for smaller is better characteristics. Experimental design for larger is better characteristics. Bypassing the S/N ratio: spring experiment. Experimental design for dynamic characteristics.
672 citations
TL;DR: A novel multi-objective mixed integer linear model is developed, which aims not only to minimize the total energy consumption related to production, but also, to maximize, for the first time, the social factors linked to job opportunities and lost working days.
62 citations
TL;DR: Demand has the most effect on this CLSC network in which that a 25 percent decrease in demand can increase the total cost up to 40 percent and improve employment efficiency up to around 30 percent, simultaneously.
56 citations
TL;DR: In this paper , a closed-loop supply chain (CLSC) network for the avocado industry is designed by developing a bi-objective model considering the costs of the industry and the social factor of job employment opportunities.
50 citations
TL;DR: The findings of the study suggest that expecting more social factors convey more costs in most cases, so blood supply chain managers must adjust their aims and scope to achieve the best-desired results for society.
43 citations
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IBM1
TL;DR: A framework is developed to explore the connection between effective optimization algorithms and the problems they are solving and a number of "no free lunch" (NFL) theorems are presented which establish that for any algorithm, any elevated performance over one class of problems is offset by performance over another class.
Abstract: A framework is developed to explore the connection between effective optimization algorithms and the problems they are solving. A number of "no free lunch" (NFL) theorems are presented which establish that for any algorithm, any elevated performance over one class of problems is offset by performance over another class. These theorems result in a geometric interpretation of what it means for an algorithm to be well suited to an optimization problem. Applications of the NFL theorems to information-theoretic aspects of optimization and benchmark measures of performance are also presented. Other issues addressed include time-varying optimization problems and a priori "head-to-head" minimax distinctions between optimization algorithms, distinctions that result despite the NFL theorems' enforcing of a type of uniformity over all algorithms.
10,771 citations
Book•
30 Jun 1987TL;DR: Performance of the simulated annealing algorithm and the relation with statistical physics and asymptotic convergence results are presented.
Abstract: 1 Introduction.- 2 Simulated annealing.- 3 Asymptotic convergence results.- 4 The relation with statistical physics.- 5 Towards implementing the algorithm.- 6 Performance of the simulated annealing algorithm.- 7 Applications.- 8 Some miscellaneous topics.- 9 Summary and conclusions.
3,645 citations
TL;DR: The aim of this paper is to review recently published papers in reverse logistic and closed-loop supply chain in scientific journals and identify gaps in the literature to clarify and to suggest future research opportunities.
1,364 citations
Journal Article•
1,058 citations
Book•
01 Oct 1986
TL;DR: In this paper, a case study of variance loss and tolerance design for online and offline quality control is presented, where the S/N ratio is bypassed by a spring experiment.
Abstract: Contents: Variety and Quality. Variability loss and tolerance. Determining tolerances. Tolerance design and experimental design. Offline and online quality control. Parameter design and tolerance design: case study. Experimental design for smaller is better characteristics. Experimental design for larger is better characteristics. Bypassing the S/N ratio: spring experiment. Experimental design for dynamic characteristics.
927 citations