{"id":33209,"date":"2018-03-30T04:28:08","date_gmt":"2018-03-30T04:28:08","guid":{"rendered":"https:\/\/www.its.ac.id\/news\/?p=33209"},"modified":"2019-09-26T09:06:30","modified_gmt":"2019-09-26T02:06:30","slug":"pecahkan-masalah-hemat-biaya-listrik-jangkung-raih-doktor-di","status":"publish","type":"post","link":"https:\/\/www.its.ac.id\/news\/pecahkan-masalah-hemat-biaya-listrik-jangkung-raih-doktor-di\/","title":{"rendered":"Pecahkan Masalah Hemat Biaya Listrik, Jangkung Raih Doktor di ITS"},"content":{"rendered":"<figure id=\"attachment_33210\" aria-describedby=\"caption-attachment-33210\" style=\"width: 1280px\" class=\"wp-caption alignnone\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-33210\" src=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2018\/03\/IMG-20180330-WA0012.jpg\" alt=\"\" width=\"1280\" height=\"852\" srcset=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2018\/03\/IMG-20180330-WA0012.jpg 1280w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2018\/03\/IMG-20180330-WA0012-300x200.jpg 300w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2018\/03\/IMG-20180330-WA0012-768x511.jpg 768w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2018\/03\/IMG-20180330-WA0012-1024x682.jpg 1024w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2018\/03\/IMG-20180330-WA0012-355x236.jpg 355w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><figcaption id=\"caption-attachment-33210\" class=\"wp-caption-text\">Ir Jangkung Raharjo MT mempertahankan disertasinya di ITS<\/figcaption><\/figure>\n<blockquote><p><strong>Kampus ITS, ITS News &#8211; <\/strong>Dalam sidang terbuka yang dipimpin oleh Prof Dr Ir Mauridhi Hery Purnomo MEng tersebut, promovendus yang akrab disapa Jangkung ini menjelaskan masalah Economic Dispatch merupakan masalah multidimensi yang bergantung pada jumlah pembangkit yang dilibatkan. Hal tersebut menyebabkan optimalisasi biaya pembangkitan pada sistem tenaga berskala besar menjadi sebuah masalah yang rumit.<\/p><\/blockquote>\n<p>Ia juga menjelaskan bahwa selama ini metode yang digunakan untuk menganalisa peminimalan biaya pembangkitan kurang optimal. \u201cMetode yang selama ini digunakan belum mencapai biaya yang terendah namun sudah berhenti,\u201d tegasnya.<\/p>\n<p>Berbekal ilmunya tentang telekomunikasi yang ia ambil ketika S2 dulu, akhirnya Jangkung menemukan ide untuk mencoba sebuah metode pengolahan video, yakni metode CFS. &#8220;Saya mencoba berinovasi pada metode ini karena saya merasa ada kemiripan antara variabel pengolahan video dengan variabel dalam masalah Economic Dispatch tersebut,&#8221; ujar Pria kelahiran Sukoharjo, 19 Januari 1966 ini.<\/p>\n<p>Selama ini, metoda CFS digunakan pada persoalan optimasi pengolahan sinyal informasi, khususnya pada pergerakan sinyal video. Bagi Jangkung, metode ini bisa juga digunakan untuk mengurangi kompleksitas sistem pembangkit, sehingga waktu komputasi lebih cepat.<\/p>\n<p>Dipromotori oleh Prof Dr Ir Adi Soeprijanto MT dan Dr Ir Hermagasantos Zein MSc, dosen di Telkom University Bandung ini berhasil membuktikan bahwa metode CFS dapat digunakan untuk menyelesaikan masalah ED tersebut dengan jaminan konvergensi yang metode ini berikan.<\/p>\n<p>Selain itu, metode yang mulanya hanya digunakan untuk memecehkan permasalahan pada kasus dua dimensi dan paling besar tiga dimensi ini menjadi metode yang dapat menyelesaikan persoalan multidimensi. \u201cHal tersebut membuat metode ini dapat digunakan dalam dimensi tak terbatas,\u201d jelasnya.<\/p>\n<p>Untuk memvalidasi metode ini telah dilakukan pengujian pada system tenaga Jawa-Bali dengan tegangan 500kV. Pada pengujian tersebut fakta menarik kembali ditemukan, yakni metode ini juga dapat memecahkan persoalan ED untuk fungsi obyektif yang berorde tinggi (tidak dapat diturunkan).<\/p>\n<p>Berdasarkan pertimbangan dari pemaparan hasil penelitian Jangkung dalam disertasinya yang berjudul <em>Pengembangan Metoda Coarse to Fine Search (CFS) dalam Menyelesaikan Persoalan Economic Dispatch Multi Dimensi<\/em>, Komisi Pertimbangan Fakultas yang diketuai oleh Prof Ir H Ontoseno Penangsang MSc, menyatakan Jangkung lulus dan berhak menyandang gelar doktor dengan predikat sangat memuaskan. &#8220;Selamat dan semoga ilmunya terus bermanfaat&#8221;, ungkap Ontoseno. (rur\/ Humas ITS)<\/p>\n<figure id=\"attachment_33211\" aria-describedby=\"caption-attachment-33211\" style=\"width: 1280px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-33211\" src=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2018\/03\/IMG-20180330-WA0013.jpg\" alt=\"\" width=\"1280\" height=\"852\" srcset=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2018\/03\/IMG-20180330-WA0013.jpg 1280w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2018\/03\/IMG-20180330-WA0013-300x200.jpg 300w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2018\/03\/IMG-20180330-WA0013-768x511.jpg 768w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2018\/03\/IMG-20180330-WA0013-1024x682.jpg 1024w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2018\/03\/IMG-20180330-WA0013-355x236.jpg 355w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><figcaption id=\"caption-attachment-33211\" class=\"wp-caption-text\">Ir Jangkung Raharjo MT bersama para penguji dan keluarganya.<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Kampus ITS, ITS News &#8211; Dalam sidang terbuka yang dipimpin oleh Prof Dr Ir Mauridhi Hery Purnomo MEng tersebut, promovendus yang akrab disapa Jangkung ini menjelaskan masalah Economic Dispatch merupakan masalah multidimensi yang bergantung pada jumlah pembangkit yang dilibatkan. Hal tersebut menyebabkan optimalisasi biaya pembangkitan pada sistem tenaga berskala besar menjadi sebuah masalah yang rumit. [&hellip;]<\/p>\n","protected":false},"author":206,"featured_media":33210,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[14,12],"tags":[],"class_list":["post-33209","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-berita-utama","category-headline"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pecahkan Masalah Hemat Biaya Listrik, Jangkung Raih Doktor di ITS - 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\/pecahkan-masalah-hemat-biaya-listrik-jangkung-raih-doktor-di\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pecahkan Masalah Hemat Biaya Listrik, Jangkung Raih Doktor di ITS - ITS News\" \/>\n<meta property=\"og:description\" content=\"Kampus ITS, ITS News &#8211; Dalam sidang terbuka yang dipimpin oleh Prof Dr Ir Mauridhi Hery Purnomo MEng tersebut, promovendus yang akrab disapa Jangkung ini menjelaskan masalah Economic Dispatch merupakan masalah multidimensi yang bergantung pada jumlah pembangkit yang dilibatkan. 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Hal tersebut menyebabkan optimalisasi biaya pembangkitan pada sistem tenaga berskala besar menjadi sebuah masalah yang rumit. 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