Yalın Üretim Uygulamaları Destekli Bütünleşik Bir Üretim Yönetimi Sistemi: Bir Simülasyon Uygulaması

Year 2025, Volume: 12 Issue: 2, 207 - 227, 01.07.2025

Tekiner Kaya

https://doi.org/10.17541/optimum.1537409

Abstract

Yalın üretim uygulamaları, ürettiği çarpıcı çıktılar ile pek çok sektör tarafından kullanılan güçlü bir kurumsal yaklaşım ve felsefe olarak karşımıza çıkmaktadır. Yalın üretim bileşenlerinin ortaya koyacağı çıktıların simüle edilerek karar vericilerle paylaşılması, uygulamaya geçiş sürecini ve yalın yaklaşımın tüm kurum tarafından benimsenmesini kolaylaştırmaktadır. Bu çalışmada, otomotiv sektöründe faaliyet gösteren bir işletmede, depo yönetimi, satınalma, üretim ve üretim yönetimi süreçlerini içeren ve tüm kurumu kapsayacak entegre bir yalın üretim uygulaması tasarlanmıştır. Arena simülasyon yazılımı ile tasarlanan sistem simüle edilmiş ve sonuçlar ortaya konmuştur. Simülasyon sonuçları sonrası karar vericiler tarafından uygulamaya geçirilmesine karar verilmiş; yaklaşık 12 aylık bir süre sonrasında elde edilen uygulama sonuçları ile mevcut durum ve simülasyon sonuçları karşılaştırılmıştır. Temin süresi ve üretim kalitesi ana başlıkları altında toplanan sonuçlar, temin süresinde %36,3 ve ürün başı hatalı/eksik parça sayısında ise %54’lük bir azalma olduğunu ortaya koymuştur. Simülasyon sonuçları ile uygulama sonrası elde edilen sonuçlar arasında ortaya çıkan yaklaşık %5’lik fark da, etkin ve doğru ölçülmüş girdilerle yapılan simülasyon çalışmalarından elde edilen sonuçların, gerçek sonuçlara ne kadar yaklaşabileceğini göstermektedir.

Keywords

Yalın üretim , Kesikli olay simülasyonu , Otomotiv

Integration of a Lean Manufacturing Supported Production Management System: A Simulation Application

Abstract

Lean production practices stand out as a powerful corporate approach and philosophy widely adopted by various industries due to their impressive results. Simulating the outputs of lean production components and sharing them with decision-makers facilitates the transition process and the adoption of the lean approach across the entire organization. In this study, an integrated lean production application encompassing warehouse management, procurement, production, and production management processes was designed for a company operating in the automotive sector. The developed system was simulated and the results were presented via Arena simulation software. After the simulation results, the decision-makers decided to implement the application. Approximately 12 months later, the results of the implementation were compared with the current situation and the simulation results. The results, categorized under lead time and production quality, showed 36.3% reduction in procurement time and a 54% reduction in defective/missing parts per product. The approximately 5% difference between the simulation results and the post-implementation results demonstrates how closely simulation results with effectively and accurately measured inputs can approach real-world outcomes.

Keywords

Lean productioon , Descrete event simulation , Automotive

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