{"id":16695,"date":"2013-06-25T22:05:10","date_gmt":"2013-06-25T22:05:10","guid":{"rendered":"https:\/\/www.its.ac.id\/news\/2013\/06\/25\/its-lahirkan-doktor-ahli-diagnosis-mesin\/"},"modified":"2013-06-25T22:05:10","modified_gmt":"2013-06-25T22:05:10","slug":"its-lahirkan-doktor-ahli-diagnosis-mesin","status":"publish","type":"post","link":"https:\/\/www.its.ac.id\/news\/its-lahirkan-doktor-ahli-diagnosis-mesin\/","title":{"rendered":"ITS Lahirkan Doktor Ahli Diagnosis Mesin"},"content":{"rendered":"<p>Wanita kelahiran Ngawi pada 46 tahun lalu itu, dinyatakan lulus setelah mampu mempertahankan disertasinya dari pertanyaan dosen penyanggah. Pada sidang tersebut, ia mengangkat topik berjudul <em>Sistem Identifikasi dan Diagnosis Gangguan Jamak pada Motor Induksi Menggunakan Support Vector Machine<\/em>.<\/p>\n<p>&#8221;Motor induksi memiliki peranan yang penting sebagai penggerak dalam kegiatan industri. Adanya gangguan ini akan menyebabkan kerugian, bukan saja karena terhentinya proses produksi tetapi juga menyebabkan pemborosan energi,&#8221; tutur wanita kelahiran 16 Juni 1967. Sehingga, deteksi secara dini melalui proses monitoring perlu dilakukan untuk mendiagnosis gangguan motor.<\/p>\n<p>Gangguan tersebut berasal dari gangguan mekanik yang disebabkan oleh perubahan torsi beban. Sedangkan gangguan elektrik diakibatkan oleh penurunan resistansi.<\/p>\n<p>Kalau pada penelitian sebelumnya digunakan empat langkah untuk diagnosis gangguan motor, yaitu <em>denoising, feature calculation, feature extraction<\/em>, dan <em>classification<\/em>. Akan tetapi, pada penelitian kali ini, Dian menawarkan metode yang berbeda. Ia menambahkan analisa performa kalsifikasi dalam mendiagnosa gangguan motor.<\/p>\n<p>Wanita yang memperoleh gelar master dari Universitas Gajah Mada (UGM) ini mendiagnosis gangguan motor melalui dua parameter. &#8221;Parameter pertama melalui spektrum arus. Sedangkan yang kedua adalah berdasarkan analisa vibrasi,&#8221; ungkap Dosen Universitas Dian Nuswantoro (Udinus) Semarang.<\/p>\n<p>Diagnosis melalui dua parameter tersebut mampu mengidentifikasi gangguan hingga 12 kelas. Sedangkan,&nbsp; penelitian sebelumnya hanya mampu mengidentifikasi delapan kelas. &#8221;Akuarasi melalui parameter arus mencapai 82 persen. Sedangkan melalui parameter vibrasi mencapai 77 persen,&#8221; rinci wanita yang menempuh sarjana di Universitas Diponegoro ini.<\/p>\n<p>Ia mengatakan, metode ini dapat pula digunakan untuk mengidentifikasi mesin jenis lain. Syaratnya, mesin tersebut harus mampu menghasilkan sinyal sebagai parameter diagnosis.<\/p>\n<div><strong>Kebahagiaan Tersendiri<\/strong> <strong>bagi Udinus<\/strong><br \/>Kelulusan Dian ini merupakan kebahagiaaan tersendiri untuk Udinus. Karena jajaran doktor dari Udinus bertambah satu lagi. Bahkan Dr Ir Edi Noersasongko Mkom, Rektor Udinus, pun turut hadir dalam sidang terbuka promosi doktor tersebut untuk memberi selamat pada Dian.<\/p>\n<p>Ia berkeinginan, suatu saat nanti penelitian ini dapat terealisasi menjadi sebuah alat. &#8221;Di benak saya, akan tercipta suatu <em>embeded system<\/em> yang dapat ditanamkan di mesin tersebut. Namun, semua itu butuh waktu yang cukup panjang,&#8221; pungkas wanita yang bermimpi memperoleh gelar profesor enam tahun mendatang. (ady\/nir)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ITS kini melahirkan doktor baru yang ahli dalam bidang diagnosis dan identifikasi gangguan motor induksi. Kali ini, Dian Retno Sawitri memperoleh gelar itu setelah dinyatakan lulus dalam sidang terbuka promosi doktor Jurusan Teknik Elektro, Senin (24\/6). Tak tanggung-tanggung, ia memperoleh predikat sangat memuaskan dari disertasinya.<\/p>\n","protected":false},"author":1,"featured_media":16696,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[14],"tags":[],"class_list":["post-16695","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-berita-utama"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ITS Lahirkan Doktor Ahli Diagnosis Mesin - ITS News<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.its.ac.id\/news\/its-lahirkan-doktor-ahli-diagnosis-mesin\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ITS Lahirkan Doktor Ahli Diagnosis Mesin - ITS News\" \/>\n<meta property=\"og:description\" content=\"ITS kini melahirkan doktor baru yang ahli dalam bidang diagnosis dan identifikasi gangguan motor induksi. 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