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            <front>

                <journal-meta>
                                                                <journal-id>gummfd</journal-id>
            <journal-title-group>
                                                                                    <journal-title>Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi</journal-title>
            </journal-title-group>
                            <issn pub-type="ppub">1300-1884</issn>
                                        <issn pub-type="epub">1304-4915</issn>
                                                                                            <publisher>
                    <publisher-name>Gazi Üniversitesi</publisher-name>
                </publisher>
                    </journal-meta>
                <article-meta>
                                        <article-id pub-id-type="doi">10.17341/gazimmfd.1676005</article-id>
                                                                <article-categories>
                                            <subj-group  xml:lang="en">
                                                            <subject>Decision Support and Group Support Systems</subject>
                                                            <subject>Machine Learning (Other)</subject>
                                                            <subject>Stream and Sensor Data</subject>
                                                            <subject>Data Mining and Knowledge Discovery</subject>
                                                    </subj-group>
                                            <subj-group  xml:lang="tr">
                                                            <subject>Karar Desteği ve Grup Destek Sistemleri</subject>
                                                            <subject>Makine Öğrenme (Diğer)</subject>
                                                            <subject>Akış ve Sensör Verileri</subject>
                                                            <subject>Veri Madenciliği ve Bilgi Keşfi</subject>
                                                    </subj-group>
                                    </article-categories>
                                                                                                                                                        <title-group>
                                                                                                                        <trans-title-group xml:lang="en">
                                    <trans-title>Machine learning applications in predictive maintenance: Data balancing and feature selection analysis</trans-title>
                                </trans-title-group>
                                                                                                                                                                                                <article-title>Kestirimci bakımda makine öğrenimi uygulamaları: Veri dengeleme ve öznitelik seçimi analizi</article-title>
                                                                                                    </title-group>
            
                                                    <contrib-group content-type="authors">
                                                                        <contrib contrib-type="author">
                                                                    <contrib-id contrib-id-type="orcid">
                                        https://orcid.org/0000-0003-0356-2888</contrib-id>
                                                                <name>
                                    <surname>Narin</surname>
                                    <given-names>Ali</given-names>
                                </name>
                                                                    <aff>ZONGULDAK BÜLENT ECEVİT ÜNİVERSİTESİ</aff>
                                                            </contrib>
                                                    <contrib contrib-type="author">
                                                                    <contrib-id contrib-id-type="orcid">
                                        https://orcid.org/0009-0001-8859-1145</contrib-id>
                                                                <name>
                                    <surname>Bektaşoğlu</surname>
                                    <given-names>Nuriye</given-names>
                                </name>
                                                                    <aff>ZONGULDAK BÜLENT ECEVİT ÜNİVERSİTESİ</aff>
                                                            </contrib>
                                                    <contrib contrib-type="author">
                                                                    <contrib-id contrib-id-type="orcid">
                                        https://orcid.org/0000-0002-0341-2540</contrib-id>
                                                                <name>
                                    <surname>İleri</surname>
                                    <given-names>Uğur</given-names>
                                </name>
                                                                    <aff>DÜZCE ÜNİVERSİTESİ</aff>
                                                            </contrib>
                                                                                </contrib-group>
                        
                                        <pub-date pub-type="pub" iso-8601-date="20260331">
                    <day>03</day>
                    <month>31</month>
                    <year>2026</year>
                </pub-date>
                                        <volume>41</volume>
                                        <issue>1</issue>
                                        <fpage>323</fpage>
                                        <lpage>338</lpage>
                        
                        <history>
                                    <date date-type="received" iso-8601-date="20250414">
                        <day>04</day>
                        <month>14</month>
                        <year>2025</year>
                    </date>
                                                    <date date-type="accepted" iso-8601-date="20251111">
                        <day>11</day>
                        <month>11</month>
                        <year>2025</year>
                    </date>
                            </history>
                                        <permissions>
                    <copyright-statement>Copyright © 1986, Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi</copyright-statement>
                    <copyright-year>1986</copyright-year>
                    <copyright-holder>Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi</copyright-holder>
                </permissions>
            
                                                                                                                        <abstract><p>Makine öğrenimi ve nesnelerin internetindeki gelişmeler, kestirimci bakımı sanayi sistemleri için vazgeçilmez bir bileşen hâline getirmiştir. Ancak bu yaklaşımların başarımı, veri işleme süreçlerinin etkinliğine doğrudan bağlıdır. Özellikle veri dengesizliği, öznitelik seçimi ve normalizasyon teknikleri, model performansını belirleyen temel unsurlar arasındadır. Bu çalışmada, AI4I 2020 veri seti kullanılarak makine arızalarının ve dört farklı arıza modunun sınıflandırılması hedeflenmiştir. Karar Ağaçları (DT), Destek Vektör Makineleri (SVM) ve k-En Yakın Komşu (k-NN) gibi sığ makine öğrenmesi algoritmalarının performansları kapsamlı biçimde analiz edilmiştir. Veri dengesizliğini gidermek amacıyla rastgele seçim ve SMOTE yöntemleri uygulanmış, SMOTE’un daha başarılı sonuçlar sunduğu görülmüştür. Ayrıca min–max ve z-skor normalizasyon teknikleri karşılaştırılmış ve z-skor normalizasyonunun sınıflandırma başarımını artırdığı belirlenmiştir. Arıza modları ikili sınıflara ayrılarak en uygun öznitelik seti oluşturulmuş, ardından geriye doğru eleme yöntemiyle beş öznitelik kademeli olarak çıkarılarak performansa etkileri incelenmiştir. Sonuçlar, önerilen yaklaşımın sınıflandırma performansını anlamlı biçimde iyileştirdiğini göstermektedir. Özellikle k-NN algoritması, SMOTE ile dengelenmiş veri setinde %99,2 doğruluk oranı elde ederek en yüksek başarımı sağlamıştır. Bu çalışma, kestirimci bakım uygulamalarının güvenilirliğini artırmaya yönelik özgün bir katkı sunmaktadır.</p></abstract>
                                                            
            
                                                                                        <kwd-group>
                                                    <kwd>Kestirimci bakım</kwd>
                                                    <kwd>  arıza sınıflandırması</kwd>
                                                    <kwd>  veri dengeleme</kwd>
                                                    <kwd>  geriye doğru eleme yöntemi</kwd>
                                            </kwd-group>
                            
                                                                                                                                                    </article-meta>
    </front>
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