KÜRESELLEŞTİRME ISIL İŞLEMİ UYGULANMIŞ AISI 1050 ÇELİĞİN TORNALANMASINDA ESAS KESME KUVVETLERİNİN YAPAY SİNİR AĞLARI İLE MODELLENMESİ

Yıl 2016, Cilt: 11 Sayı: 1, 1 - 9, 10.01.2016

ŞEHMUS Baday

Öz

Bu çalışmada, kuru kesme şartlarında tornalanmış ve küreselleştirme ısıl işlemi uygulanmış AISI 1050 çeliğinin esas kesme kuvvetlerini tahmin etmek için yapay sinir ağları (YSA) modeli oluşturulmuştur. Oluşturulan YSA modelinde kesme hızı, ilerleme ve ısıl işlem süreleri bağımsız değişkenler olarak seçilirken esas kesme kuvvetleri bağımlı değişken olarak seçilmiştir. Bu modelin özellikleri; ağ tipi olarak ileri beslemeli geri yayılımlı ağ tipi, üç adet eğitim algoritması TRAINLM, BFGS ve SCG, adaptasyon öğrenme fonksiyonu LEARNGD ve 1 adet gizli katmanda 10 nörondan 15 nörona kadar seçilip denenerek en iyi R² aranmıştır. Ayrıca transfer fonksiyonu olarak SIGMOID ve PURELINE transfer fonksiyonları seçilmiştir. Ortalama hatalar kareleri yöntemi kullanılarak esas kesme kuvveti için elde edilen YSA modelinde R²  %99,832 elde edilmiştir. Deney sonuçları ve elde edilen YSA modelinin deney verilerini tahmin etmede başarılı olduğu görülmüştür.

Anahtar Kelimeler

Kürselleştirme Isıl İşlemi, Esas Kesme Kuvvetleri, Yapay sinir ağları, AISI 1050 çeliği

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