Implementation of Decision Support System with Data Mining Methods in the Quality Control Process of the Automotive Sector

Abstract

Today, the automotive sector is the "key" sector for developed and even developing countries. A strong automotive sector is striking as one of the common features of industrialized countries. Production in this sector consists of many processes. One of the most important of these processes is quality control. The measurement data in this area is very large and as the volume of data increases, the rate that people understand is reduced. Variations are the enemy of quality. There are many variations in the area of quality control. In this study, a decision support system is applied in the quality control process with classification algorithms which are data mining methods. C4.5, Naive Bayes, SMO and Random Forest algorithms are run on data set collected from production. These algorithms are used to measure the quality and accuracy of the product without completing the operations during production. Algorithms have been cost-reduced by determining that the product is faulty before operations are completed. The algorithm C4.5 has been the best performing algorithm. In addition, these algorithms make quality analysis very fast and easy. Thanks to this work, the cost of labor and materials has been reduced in the production company.

Keywords

• Data mining,Data visualization,Decision support,Production,Quality control

Otomotiv Sektörünün Kalite Kontrol Sürecinde Veri Madenciliği Yöntemleri ile Karar Destek Sistemi Uygulaması

Abstract

Günümüzde otomotiv sektörü, gelişmiş ve hatta gelişmekte olan ülkeler için “anahtar” sektör rolündedir. Güçlü bir otomotiv sektörü, sanayileşmiş ülkelerin ortak özelliklerinden biri olarak gözümüze çarpmaktadır. Bu sektörde üretim birçok süreçten oluşmaktadır. Bu süreçlerin en önemli olanlarından biri de kalite kontroldür. Bu alanda ölçüm verileri çok fazladır ve verilerin hacmi arttıkça insanların anladığı oran azalmaktadır. Varyasyonlar kalitenin düşmanıdır ve her şeyde varyasyon bulunmaktadır. Bu çalışmada veri madenciliği yöntemlerinden olan sınıflandırma algoritmaları ile kalite kontrol sürecinde bir karar destek sistemi uygulaması yapılmıştır. C4.5, Naive Bayes, SMO ve Random Forest algoritmaları, üretimden toplanan veri seti üzerinde çalıştırılmaktadır. Bu algoritmalar, üretim sırasında işlemler tamamlanmadan ürünün kalitesini ve doğruluğunu ölçmek için kullanılır. Algoritmalar, işlem tamamlanmadan önce ürünün arızalı olduğunu belirleyerek maliyet düşürülmektedir. Algoritma C4.5 en iyi performans gösteren algoritma olmuştur. Ek olarak, bu algoritmalar kalite analizini çok hızlı ve kolay hale getirmektedir. Bu çalışma sayesinde, firmalarda işçilik ve malzeme maliyeti azaltılmıştır.

Keywords

• Kalite Kontrol,Karar Destek,Üretim,Veri Görselleştirme,Veri Madenciliği,Veri Madenciliği

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