Yeni bir 4-boyutlu tedarik zinciri sisteminde hiperkaos

Yıl 2018, Cilt: 22 Sayı: 2, 799 - 805, 01.04.2018

Gültekin Çağıl Neslihan Açıkgöz

https://doi.org/10.16984/saufenbilder.342278

Cited By: 1

Öz

Tedarik zinciri, müşteri ihtiyaçlarını karşılayabilmek için
hammadde tedarikinden başlayarak müşteriye ürün teslimine kadar devam eden tüm
süreçlerdeki birçok faktörün etkisi altında olması bakımından karmaşık ve
kaotik bir yapıya sahiptir.  Kaotik
tedarik zinciri, sistemi oluşturan değişkenlerin beklenmedik bazı davranışlar
sergilemesi ve bu davranışların uzun süreli tahminlerinin yapılamaması anlamına
gelmektedir. Literatürde farklı tedarik zinciri sistemlerinin matematiksel
modelleri oluşturularak kaotik yapılarının incelendiği çalışmalar mevcuttur. Bu
çalışmada ilk kez daha önce sunulan bir tedarik zinciri modelinin talep durum
denklemine lineer kontrolör eklenmiş ve oluşturulan bu yeni tedarik zinciri
sisteminin hiperkaotik davranış sergilediği görülmüştür. Elde edilen yeni 4
boyutlu hiperkaotik sistemin Matlab-Simulink programı kullanılarak sayısal
analizleri yapılmış ve hiperkaotik davranışı faz portreleri ile ortaya
konmuştur. Faz portresinde krank mili ya da çok katlı kelebek kanadı gibi bir
şekle benzeyen kaotik bir çekici oluştuğu gözlemlenmiştir. Çalışmanın sonucunda
tedarik zinciri sisteminde farklı davranışların meydana gelmesine neden olan
yeni terimin müşteri sadakati olarak tanımlanabileceği vurgulanmıştır.

Anahtar Kelimeler

Tedarik Zincirinde Kaos, Tedarik Zincirinde Hiperkaos

Hyperchaos in a new 4d supply chain system

Öz

The supply chain has a complex and chaotic structure in that
it is under the influence of many factors in all the processes from raw
material supply to customer delivery in order to meet customer needs. Chaotic
supply chain means that the variables that make up the system exhibit some
unexpected behaviors and can not make long-term predictions of these behaviors.
In the literature, there are studies in which chaotic structures are examined
by creating mathematical models of different supply chain systems. In this
study, a linear controller was added to the demand state equation of a
previously presented supply chain model for the first time and it is seen that
this new supply chain system exhibited hyperchaotic behavior. Numerical
analysis of the new 4-dimensional hypechaotic system was examined by using
Matlab-Simulink program and hyperchaotic behavior was revealed with
phase-portraits. It has been observed that there is a chaotic attractor similar
to a crankshaft or multi-layered butterfly wing in phase portrait. As a result
of the study, it is emphasized that the new term that leads to different
behaviors in the supply chain system can be defined as "customer
loyalty".

Anahtar Kelimeler

Supply Chain Chaos, Supply Chain Hyperchaos

Kaynakça

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