Vol12(spl.Edn.2)
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The Effect of Ordering Policy Based on Extended Time-Delay Feedback Control on the Chaotic Behavior in Supply Chains

H. Norouzi Nav*1, M.R. Jahed Motlagh2 and A. Makui3

1Department of Electrical Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran.

2Department of Computer Engineering, Iran University of Science & Technology, Tehran, Iran.

3Department of Industrial Engineering, Iran University of Science & Technology, Tehran, Iran.

DOI : http://dx.doi.org/10.13005/bbra/2191

ABSTRACT: A supply chain is a complex nonlinear system involving multiple levels and may have a chaotic behavior. The policy of each level in inventory control, demand forecast, and constraints and uncertainties of demand and supply (or production) significantly affects the complexity of its behavior. This paper compares the performance of new ordering policy based on extended time-delay feedback (ETDF) control with the well-known smooth ordering policy on the chaotic behavior in the supply chain. Exponential smoothing (ES) forecast method is used to predict the demand. The effects of inventory adjustment parameter and supply line adjustment parameter on the behavior of the supply chain are investigated. Finally, two scenarios are designed foranalysis the chaotic behavior of the supply chain and in each scenario the maximum Lyapunov exponent is calculated and drawn. Finally, the best scenario for decision-making is obtained.

KEYWORDS: Supply chain; Ordering policy; Chaotic behavior; Extended time-delay feedback control

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Nav H. N, Motlagh M. R. J, Makui A. The Effect of Ordering Policy Based on Extended Time-Delay Feedback Control on the Chaotic Behavior in Supply Chains. Biosci Biotech Res Asia 2015;12(spl.edn.2)

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Nav H. N, Motlagh M. R. J, Makui A. The Effect of Ordering Policy Based on Extended Time-Delay Feedback Control on the Chaotic Behavior in Supply Chains. Biosci Biotech Res Asia 2015;12(spl.edn.2). Available from:https://www.biotech-asia.org/?p=12876

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