Derin öğrenme teknikleri kullanılarak üretim sistemlerinde KPI tabanlı performans tahminleme

Yıl 2024, , 1499 - 1508, 20.05.2024

Taha Akkurt , İnci Sarıçiçek

https://doi.org/10.17341/gazimmfd.1100614

Öz

İmalat sektöründe yer alan firmaların, piyasadaki rekabet koşullarında gelişimlerini sürdürebilmeleri için performanslarını sürekli izlemeleri gerekmektedir. Bu çalışmada, fabrika varlıkları dikkate alınarak üretim performansını ölçmek için on bir adet anahtar performans göstergesi belirlenmiştir. Önerilen sistem, bir üretim sistemindeki CNC makinelerinden alınan anlık veriler ile ilgili KPI'ların elde edildiği yapıda tasarlanmıştır. Bu çalışmanın temel amacı, üretim performansını ölçmek ve bir sonraki değerlerini tahmin etmektir. Bu sayede karar vericiler tarafından performansı izlenen varlıklara proaktif bir yaklaşım sağlanması amaçlanmaktadır. Performans göstergelerinin tahmin edilmesi için derin öğrenme teknikleri olan LSTM ve LightGBM modelleri önerilmiştir. Tahminleme için örnek bir CNC makinesinin yaklaşık üç aylık zaman serisi OEE (Toplam Ekipman Etkinliği) değerleri kullanılmıştır. Yöntemlerin tahmin performansları, çeşitli metrikler (MSE, MAE vb.) üzerinden karşılaştırılmıştır. Sonuçlar, LightGBM'nin tüm performans ölçümleri için LSTM'den daha iyi performans gösterdiğini göstermiştir

Anahtar Kelimeler

Anahtar performans göstergeleri, Performans tahminleme, Derin öğrenme, LSTM, LightGBM

Destekleyen Kurum

Türkiye Bilimsel ve Teknolojik Araştırma Kurumu'nun (TÜBİTAK)

Proje Numarası

1170452

Teşekkür

Bu çalışmada kullanılan veriler, Türkiye Bilimsel ve Teknolojik Araştırma Kurumu'nun (TÜBİTAK) 1170452 no'lu “Otomotiv Endüstrisi için Akıllı Üretim Yönetim Sistemi-IOTOPRO” proje çerçevesinde elde edilmiştir.

KPI based performance estimation in production systems using deep learning techniques

Öz

Firms in the manufacturing sector need to constantly monitor their performance in order to maintain their development under competitive conditions in the market. In this study, eleven KPIs are determined to measure the production performance by taking into account the factory assets. The proposed system is designed in which the relevant KPIs are obtained via the instantaneous data received from the CNC machines in a production system. The main objective of this study is to measure and estimate production performance. In this way, it is aimed to provide a proactive approach for the assets whose performance is monitored by the decision-makers. LSTM and LightGBM models which are deep learning techniques are proposed for the estimation of performance indicators. The approximately three-month time series OEE (Overall Equipment Effectiveness) values of the sample CNC machine are used for estimation. The estimation performance of methods is compared over performance metrics (MSE, MAE, etc.). The results indicated that LightGBM outperforms LSTM for all performance metrics.

Anahtar Kelimeler

Key performance indicators, Performance estimation, Deep learning, LSTM, LightGBM

Proje Numarası

1170452

Kaynakça

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