GENERAL ARTICLE

 

A hybrid genetic algorithm-neural network approach for pricing cores and remanufactured cores

 

 

M. Seidi^I; A.M. Kimiagari^II

^IDepartment of Industrial Engineering, Amirkabir University of Technology, Iran masoudseidi@aut.ac.ir
^IIDepartment of Industrial Engineering, Amirkabir University of Technology, Iran kimiagar@aut.ac.ir

 

 

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ABSTRACT

Sustainability has become a major issue in most economies, causing many leading companies to focus on product recovery and reverse logistics. Remanufacturing is an industrial process that makes used products reusable. One of the important aspects in both reverse logistics and remanufacturing is the pricing of returned and remanufactured products (called cores). In this paper, we focus on pricing the cores and remanufactured cores. First we present a mathematical model for this purpose. Since this model does not satisfy our requirements, we propose a simulation optimisation approach. This approach consists of a hybrid genetic algorithm based on a neural network employed as the fitness function. We use automata learning theory to obtain the learning rate required for training the neural network. Numerical results demonstrate that the optimal value of the acquisition price of cores and price of remanufactured cores is obtained by this approach.

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OPSOMMING

Volhoubaarheid het 'n belangrike saak geword in die meeste ekonomieë, wat verskeie maatskappye genoop het om produkherwinning en omgekeerde logistiek te onder oë te neem. Hervervaardiging is 'n industriële proses wat gebruikte produkte weer bruikbaar maak. Een van die belangrike aspekte in beide omgekeerde logistiek en hervervaardiging is die prysbepaling van herwinne en hervervaardigde produkte. Hierdie artikel fokus op die prysbepalingsaspekte by wyse van 'n wiskundige model.

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* Corresponding author.
1 The author was enrolled for a PhD degree (Industrial) in the Department of Industrial Engineering, Amirkabir University of Technology.
2 The author was enrolled for a D Phil (Industrial Management) degree in the Department of Industrial Engineering, Amirkabir University of Technology.