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All Journal Jurnal Teknoin IPTEK Journal of Proceedings Series Jurnal Filsafat Proceeding International Conference on Information Technology and Business Neo-Bis Jurnal Teknobisnis International conference on Information Technology and Business (ICITB) Religi: Jurnal Studi Agama-agama Jurnal Sistem dan Manajemen Industri Jurnal Studi Manajemen dan Bisnis Syntax Literate: Jurnal Ilmiah Indonesia Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri IJOCE (International Journal of Offshore and Coastal Engineering) Matrik : Jurnal Manajemen dan Teknik Industri Produksi International Journal of Marine Engineering Innovation and Research JISO : Journal of Industrial and Systems Optimization Journal of Social Research COMSERVA: Jurnal Penelitian dan Pengabdian Masyarakat Journal Research of Social Science, Economics, and Management Eduvest - Journal of Universal Studies Sewagati
Nurhadi Siswanto
2Department Of Industrial And Systems Engineering Institut Teknologi Sepuluh Nopember, Surabaya
Religion Aerospace Engineering Arts Humanities Automotive Engineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Neuroscience Physics Public Health Social Sciences Transportation Other

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Metafisika Simbol Keris Jawa Siswanto, Nurhadi
Jurnal Filsafat "WISDOM" Vol 22, No 1 (2012)
Publisher : Fakultas Filsafat, Universitas Gadjah Mada Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Persoalan esensial dalam pengkajian metafisika simbol didasarkan pada dua pertanyaan pokok yaitu: (1) apakah simbol imanen dalam kemanusiaan saja (hanya berakar dan terbatas dalam roh manusia saja) ataukah simbol juga berakar kepada yang transenden (yang mengatasi manusia dan kehidupannya)?; dan (2)  apakah simbol hanya berdimensi horizontal saja ataukah berdimensi vertikal juga?Penciptaan keris merupakan perpaduan dari keinginan, harapan, tujuan, dan manfaat yang diinginkan dari sang pemesan keris dengan olah rasa, karsa, dan cipta sang empu yang terwujud dalam simbol-simbol pada luk, dhapur, dan pamor keris. Sang empu dalam proses tersebut, masuk dalam dimensi simbol-simbol umum yang berlaku dalam masyarakat Jawa. Keris Jawa bila dianalisis dari sudut metafisika simbol, maka terlihat simbolisasi keris Jawa pada golongan awam (masyarakat umum) lebih bersifat vertikal-transendental; pada golongan khusus (kaum intelek) simbolisasi keris Jawa berdimensi ganda yaitu vertikal-transendental, sekaligus horizontal-imanen; sedangkan pada golongan baru (yang menganggap keris adalah benda seni), simbolisasi keris Jawa lebih berdimensi horizontal-imanen.Kata kunci: keris, simbol, metafisika
METAFISIKA SIMBOL KERIS JAWA Siswanto, Nurhadi
Jurnal Filsafat "WISDOM" Vol 22, No 1 (2012)
Publisher : Fakultas Filsafat, Universitas Gadjah Mada Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jf.12986

Abstract

Essential issue in the study of the metaphysics of symbol is based on two main questions: (1) is a symbol immanent in human (and limitedly rooted in the human spirit) or symbol is also rooted to the transcendent (which address the human and his life)?; and (2) is a symbol just has horizontal dimension or vertical dimension as well?The creation of keris is a mixture of desires, hopes, goals, and desired benefits from the buyer if the dagger with a sense, initiative and creativity embodied in the master symbols at luk, dhapur, and pamor. The master in the making process, entered the dimensions of the symbols commonly applicable in the Javanese community. Javanese keris analyzed from the point of the symbol, can be concluded that the symbol visible at the class of ordinary Javanese (the public) is more vertical-transcendental, and the special group (the intellectuals) Javanese symbol doubles the vertical dimension-transcendental, as well as horizontal-immanent, while the new class (the keris is considered as art), Javanese symbolism over the horizontal dimension-immanent.
PERUBAHAN PANDANGAN ONTOLOGI PADA WAYANG MASA ISLAM DAN PRA ISLAM Siswanto, Nurhadi
Jurnal Filsafat "WISDOM" Vol 27, No 1 (2017)
Publisher : Fakultas Filsafat, Universitas Gadjah Mada Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1984.194 KB) | DOI: 10.22146/jf.22093

Abstract

Puppet has developments and changes over time. Puppet continues to grow and develop in accordance with the development of the dominant civilization that accompanies it. A change in the function of puppet strikingly occurs in Islam and pre-Islamic era. Puppet that previously acted as a form of religious ritual to worship the ancestors and the ‘Dewa’ has been changes in function to serve as a media for the sake of religion propaganda and education. There was also a change on the ontological view in puppet. The changes occur due to difference concept of Deity’s thought in Islam and Hinduism. The Islam belief that does not recognize the concept ‘dewa’, it is not eliminating the existence of ‘dewa’ in various puppet stories, but instead desecrated it. ‘Dewa’ no longer considered sacred, perfect and unbeatable, but the god is considered common creatures that could also be defeated and make mistakes.
A Simulation Study of Bulk Cement Product Maritime Tranportation Considering Vessel’s Maintenance Siswanto, Nurhadi; -, Elisabeth; Latiffianti, Effi
Prosiding International conference on Information Technology and Business (ICITB) 2017: INTERNATIONAL CONFERENCE ON INFORMATION TECHNOLOGY AND BUSINESS (ICITB) 3
Publisher : Prosiding International conference on Information Technology and Business (ICITB)

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Abstract

This study considers an operational decision in the maritime inventory routing problem considering the maintenance schedules of the ships. The problem is to determine the exact number of ships serving to distribute bulk cement product. The problem is complex due to the uncertainties in demand, travel time, loading time, and unloading in each port so that exact optimization methods or mathematical formulations are difficult to do. Therefore, discrete-event simulation method is proposed to solve the problem. In determining the number of vessels to note the external factors that affect the performance of the ship in distributing. One of the activities undertaken to maintain the condition of the ship is maintenance. With the maintenance activities there is a possibility of increasing the number of boats to distribute bulk cement to avoid shortage. The results show that simulation module built can be used to determine the number of vessels and their capacity to determine the optimal number of ships to avoid shortage. From the research work also obtained the effect of maintenance activities in determining the optimal number of vessels. With the arrangement of maintenance schedules made at the time of cement demand is down then the number of ships with a capacity of 3,200-4,500 does not require any additional fleet. But for vessels with a capacity above 4,500 it is necessary to add one fleet of vessels to avoid shortage in unloading portsKeywords: Bulk Cement Product, Maritime Transportation, Disruption of Maintenance, and Discrete Simulation.
A crow search algorithm for aircraft maintenance check problem and continuous airworthiness maintenance program Siswanto, Nurhadi; Adianto, Asyraf Nur; Prawira, Hasan Aji; Rusdiansyah, Ahmad
Jurnal Sistem dan Manajemen Industri Vol. 3 No. 2 (2019)
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (524.951 KB) | DOI: 10.30656/jsmi.v3i2.1794

Abstract

This research discusses the maintenance problem of a small commer­cial aircraft with propeller engine, typed ATR-72. Based on the main­­tenance records, the aircraft has average 294 routine activities that have to be monitored and done based on determined threshold interval. This research focuses on developing a meta­heuristic model to optimize the aircraft’s utility, called Crow Search Algorithm (CSA) to solve the Aircraft Maintenance Problem (AMP). The algorithm is developed and tested  whether a younger meta­heuristic method, CSA, is able to give better performance compar­ed to the older methods, Particle Swarm Optimization (PSO) and other hybri­dized method PSO with Greedy Randomized Adaptive Search Optimization (PSO-GRASP). Several experiments are performed by using parameters: 1000 maximum iteration and 600 maximum computa­tion time by using four dataset combinations. The results show that CSA can give better performance than PSO but worse than PSO-GRASP.
The Implementation of Norsok Z-008 for Equipment Criticality Analysis of Gas Central Processing Plant Priyanta, Dwi; Siswantoro, Nurhadi; Zaman, Muhammad Badrus; Prasetyo, Dimas Fajar
International Journal of Marine Engineering Innovation and Research Vol 4, No 1 (2019)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (224.965 KB) | DOI: 10.12962/j25481479.v4i1.4863

Abstract

The gas central processing plant as a facility used to process natural gas had a variety of components that were so complex and many in number. To reduce the risk of failure of these components it was necessary to carry out maintenance. But it would be very inefficient if all the components were treated at the same level, considering that there were so many and the human resources that were owned were very limited. Therefore, in taking care of these components it was necessary to prioritize them according to their critical level. In this research, in determining the critical level of a component using risk-based methods according to the available standards, namely NORSOK Z-008. By making a hierarchy and asset level register of all components, then the value of the probability rating and consequence rating was determined. So that the criticality ranking of each component was obtained according to the criticality risk matrix that was converted from the company's risk matrix, so that the critical level of the component was obtained in the levels of H (high), M (medium), and L (low). With the critical level of this component, the company did not need to take care of all the components. In this research, there was 33 equipment with 140 subunits/subsystems, and the total number of components was 674. Of the 674 components as many as 28 components had a critical level of H (high), 192 components had a critical level M (medium), and 454 components had L critical level (low) of each critical level that has been obtained, it is not necessary to carry out maintenance with the same level to all components. In this research, every component that has H (high) criticality level will be treated as a Preventive Maintenance, while a component with a critical level of M (medium) will be Preventive Maintenance if needed, and a component with L critical level (low) will be treated Corrective Maintenance.
Kebenaran Pengetahuan dalam Al-Quran dan Implikasinya terhadap Amal Siswanto, Nurhadi
Religi: Jurnal Studi Agama-agama Vol 1, No 2 (2002)
Publisher : UIN Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/rejusta.2002.%x

Abstract

Di abad  modern,  problematika  kebenaran  pengetahuan  di dunia Islam semakin  mencuat. Perumusan konsep kebenaran  pengetahuan  dalam  Islam dipandang sernakin penting. Hal ini dilatarbelakangi oleh kondisi masih dilematisnya hubungan  antara kebenaran  agama  dan  kebenaran  ilmu  pengetahuan.  Secara konseptual orang-orang lslam berkeyakinan bahwa ajaran yang dipegangnya adalah yang  terbaik,  paling  benar  dan tidak  ada yang melebihinya. Sementara  dari  segi realitas  kehidupan justru  sebaliknya-  Barat  yang tidak  didasari  dengan  landasan pengetahuan  yang  unggul  menguasai perkembangan  sains  dan  teknologi.  Orang Islam  berpandangan  bahwa ajaran  yang  dipegangnya adalah  benar  dan  tidak  ada yang lebih tingi darinya. Namun, dari realitas menunjukkan, banyak orang lslam yang  dalam  tindakan  hidupnya  berpegang  pada  kebenaran  ilmiah,  sehingga kebenaran  agamanya. Tulisan  ini  merupakan  ringkasan  dari hasil penelitian penulis yang mencoba mencari jawaban persoalan-persoalan epistemologi ke  dalam  AlQur'an yaitu  mencoba merumuskan konsep  kebenaran menurut Al-Qur'an.
Metafisika Simbol Keris Jawa Siswanto, Nurhadi
Jurnal Filsafat "WISDOM" Vol 22, No 1 (2012)
Publisher : Fakultas Filsafat, Universitas Gadjah Mada Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jf.3104

Abstract

Persoalan esensial dalam pengkajian metafisika simbol didasarkan pada dua pertanyaan pokok yaitu: (1) apakah simbol imanen dalam kemanusiaan saja (hanya berakar dan terbatas dalam roh manusia saja) ataukah simbol juga berakar kepada yang transenden (yang mengatasi manusia dan kehidupannya)?; dan (2)  apakah simbol hanya berdimensi horizontal saja ataukah berdimensi vertikal juga?Penciptaan keris merupakan perpaduan dari keinginan, harapan, tujuan, dan manfaat yang diinginkan dari sang pemesan keris dengan olah rasa, karsa, dan cipta sang empu yang terwujud dalam simbol-simbol pada luk, dhapur, dan pamor keris. Sang empu dalam proses tersebut, masuk dalam dimensi simbol-simbol umum yang berlaku dalam masyarakat Jawa. Keris Jawa bila dianalisis dari sudut metafisika simbol, maka terlihat simbolisasi keris Jawa pada golongan awam (masyarakat umum) lebih bersifat vertikal-transendental; pada golongan khusus (kaum intelek) simbolisasi keris Jawa berdimensi ganda yaitu vertikal-transendental, sekaligus horizontal-imanen; sedangkan pada golongan baru (yang menganggap keris adalah benda seni), simbolisasi keris Jawa lebih berdimensi horizontal-imanen.Kata kunci: keris, simbol, metafisika
A crow search algorithm for aircraft maintenance check problem and continuous airworthiness maintenance program Nurhadi Siswanto; Asyraf Nur Adianto; Hasan Aji Prawira; Ahmad Rusdiansyah
Jurnal Sistem dan Manajemen Industri Vol. 3 No. 2 (2019)
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (524.951 KB) | DOI: 10.30656/jsmi.v3i2.1794

Abstract

This research discusses the maintenance problem of a small commer­cial aircraft with propeller engine, typed ATR-72. Based on the main­­tenance records, the aircraft has average 294 routine activities that have to be monitored and done based on determined threshold interval. This research focuses on developing a meta­heuristic model to optimize the aircraft’s utility, called Crow Search Algorithm (CSA) to solve the Aircraft Maintenance Problem (AMP). The algorithm is developed and tested  whether a younger meta­heuristic method, CSA, is able to give better performance compar­ed to the older methods, Particle Swarm Optimization (PSO) and other hybri­dized method PSO with Greedy Randomized Adaptive Search Optimization (PSO-GRASP). Several experiments are performed by using parameters: 1000 maximum iteration and 600 maximum computa­tion time by using four dataset combinations. The results show that CSA can give better performance than PSO but worse than PSO-GRASP.
Analisis Availabilitas Perusahaan Pythalic Anhydride Berdasarkan Persediaan Spare Part dan Penyangga Nurhadi Siswanto; Nabila Yuraisyah Salsabila; Oryza Akbar Rochmadhan; Erwin Widodo
Teknoin Vol. 26 No. 1 (2020)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknoin.vol26.iss1.art4

Abstract

Penelitian ini akan membahas perusahaan kimia yang memproduksi Pythalic Anhydride (PA) di Indonesia. Perusahaan ini memiliki kapasitas 70.000 Metric Ton Per Year (MTPY). Selama 2017, total waktu produksi adalah 6.699,8 jam atau rata-rata 23 hari. Namun, dibandingkan dengan kapasitas produksi, perusahaan dapat memenuhi permintaan dalam waktu 20 hari tiap bulannya. Waktu produksi minimum diperlukan untuk mencapai layanan pelanggan yang optimal dan biaya minimum. Perbedaan antara kapasitas dan kondisi yang ada disebabkan oleh penutupan pabrik. Penutupan pabrik disebabkan oleh kehabisan inventori material dan kerusakan mesin. Frekuensi penutupan pabrik relatif tinggi. Selama 2014 hingga 2017, pabrik ditutup 48 kali dengan MTTF 3,1 hari dan MTTR 23 jam. Analisis reliability, availability, dan maintainability (RAM analysis) dilakukan untuk mengatasi masalah ini. Secara khusus, penelitian ini akan fokus pada pengembangan skenario dengan melakukan percobaan pada inventori penyangga suku cadang untuk mengurangi waktu produksi dan meningkatkan availabilitas. Pendekatan simulasi digunakan dalam penelitian ini untuk memodelkan perilaku stokastik. Berdasarkan hasil percobaan, waktu produksi berkurang 232,7 jam dan availabilitas menjadi 0,8996.
Co-Authors -, Elisabeth Adhi Iswantoro Adianto, Asyraf Nur Agoes Santoso Aguk Zuhdi Muchamad Fathallah Ahadyanti, Gita Marina Ahmad Rusdiansyah Alfa Muhammad Megawan Andi Irma Arianty Ardi Nugroho Yulianto Aris Setya Yuwana Asyraf Nur Adianto Asyraf Nur Adianto Atikah Aghdhi Pratiwi Aydin Doğan Bachtiar Rosihan Aghda Baihaqy, Ahmed Raecky Bangkit Nadyo Priambodo Cahyono, Beny Danim Musthofa Defriko Christian Dewandhika Dewi Sartika Dimas Fajar Prasetyo Effi Latiffianti Eko Nurmianto Elisabeth - Erwin Widodo Erwin Widodo Erzad Iskandar Putra Fakher Shwan Rafeek Faris Zulfar Rosyadi Fathallah, Aguk Zuhdi Muhammad Hadi, Herry Sufyan Hafidz Ridho Hari Prastowo Hasan Aji Prawira Hasan Aji Prawira Imam Trio Utama Irfan Zidni Iwan Febrianto Jamal Ramadhan Khoirunnisa Mahdiyah Syawalina Madina Nur Pratiwi Mar'atus Sholihah Maulin Masyito Putri Muhammad Ali Reza Muhammad Badrus Zaman Muhammad Badrus Zaman Muhammad Naufal Bintang Muhammad Saifulloh Muhammadi, Hamdan Musthofa, Danim Nabila Yuraisyah Salsabila Nabila Yuraisyah Salsabila Nugroho, Dwi Oktavianto Wahyu Oryza Akbar Rochmadhan Oryza Akbar Rochmadhan Prasetyo, Dimas Fajar Prawira, Hasan Aji Prayoga, Dharma Gita Surya Priyanta, Dwi Priyanta, Dwi Retno Widyaningrum Reza Tianto Ridho, Alvin Ichwannur Rochmadhan, Oryza Akbar Salsabila, Nabila Yuraisyah Semin Semin Semin Semin Semin Semin Semin Septia Hardy Sujiatanti Septian Cahya Shaneza Fatma Rahmadhanty Stefanus Eko Wiratno Sukriyah Kustanti Moerad Sukriyah Kustanti Moerad Syaputra, Oktavian Teguh Putranto Trika Pitana Utama, Danu Wolfgang Busse Yani Dhina Mirenani Yani Dhina Mirenani Yuda Apri Hermawan Zulaihan, Ahmad Zya Labiba Zya Labiba