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All Journal Jurnal Teknik Industri 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 Jurnal 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 Sewagati
Nurhadi Siswanto
2Department Of Industrial And Systems Engineering Institut Teknologi Sepuluh Nopember, Surabaya
Religion 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 Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences Transportation

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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

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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.
THROUGHPUT ANALYSIS ON A MULTI-STATE MANUFACTURING SYSTEM BY CONSIDERING AVAILABILITY Salsabila, Nabila Yuraisyah; Siswanto, Nurhadi; Widodo, Erwin; Rochmadhan, Oryza Akbar
Jurnal Teknik Industri Vol 21, No 2 (2019): JTI Dec 2019
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (298.302 KB) | DOI: 10.9744/jti.21.2.69-78

Abstract

Manufacturing technology becomes more complex as customer demand increases. Most manufacturing companies consist of multi-state manufacturing networks. Therefore, the reliability and availability parameters become an important issue to satisfy customer demand. Unavailability can result in reducing throughput because of decreasing operational production time. To resolve this problem, the buffer inventory can minimize the occurrence of material starving and production blocking during the equipment downtime. This paper will focus on experimenting with buffer inventory levels and the capacity of a multi-state manufacturing network to increase the production throughput on a company that has 70,000 tons per year of capacity. However, due to the unavailability problem, the existing system capacity decreases to 62,175 tons per year. The simulation model is used to improve throughput by modeling the failure interruption and the buffer inventory logics during the production process.
PERANCANGAN PENILAIAN KINERJA KARYAWAN BERDASARKAN KOMPETENSI SPENCER DENGAN METODE ANALYTICAL HIERARCHY PROCESS(Studi Kasus di Sub Dinas Pengairan Dinas Pekerjaan Umum Kota Probolinggo) Nurmianto, Eko; Siswanto, Nurhadi
Jurnal Teknik Industri Vol 8, No 1 (2006): JUNE 2006
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (96.271 KB) | DOI: 10.9744/jti.8.1.pp. 40-53

Abstract

In this research, Worker Performance Appraisal System has been conducted in the Public Worker Council Probolinggo. This research especially conducted in the Sub Public Worker for Low Level Workers, i.e. Contract Workers. So far incentive in this institution was not given based on their performance, but based on the community agreement. Therefore, the worker performance appraisal system was designed based on the competency, namely the Spencer competency. For that purpose the Spencer appraisal Dimension has been integrated to DP3 (Daftar Penilaian Pelaksanaan Pekerjaan) and to the Competencies for the Executive Leadership Development. The results on those criterias were processed using the Expert Choice Software. The weight for the managerial skill is 0.200 and for the technical one is 0.800. Type of managerial skill is indicated by the competency criteria, i.e, discipline, serving, achievement, proactive and commitment to organization. The weights of each criterion are 0.318, 0.289, 0.151, 0.140, 0.102, respectively. On the other hand, Technical skills indicated by competency criteria are leadership and cooperation. Their weights are 0.500, 0.500, respectively. It can be concluded that, the accurate incentive system is an insentive system, based on profit share. This share is given according to the performance appraisal of each worker. Abstract in Bahasa Indonesia : Penelitian ini membahas tentang sistem penilaian kinerja karyawan yang dilakukan di Dinas Pekerjaan Umum Kota Probolinggo, khususnya Sub Dinas Pengairan untuk karyawan level bawah (karyawan kontrak). Selama ini pemberian insentif di Sub Dinas tersebut tidak didasarkan atas kinerja karyawan tetapi atas dasar kebersamaan/ gotong royong. Untuk meningkatkannya dirancang sistem penilaian kinerja karyawan berbasis kompetensi, khususnya kompetensi Spencer. Dimensi penilaian Spencer diintegrasikan dengan DP3 dan Competencies for Executive Leadership Development. Kriteria diolah dengan Software Expert Choice. Hasilnya bobot kemampuan karyawan kontrak terbagi atas: kemampuan manajerial (0.200) dan kemampuan teknik (0.800). Kemampuan manajerial terdiri dari: disiplin (0.318), melayani (0.289), berprestasi (0.151), proaktif (0.140), dan komitmen pada organisasi (0.102). Sedangkan kemampuan teknis terdiri dari: memimpin (0.500) dan kerjasama (0.500). Dari penelitian tersebut sistem insentif yang tepat adalah sistem insentif pembagian laba, dimana insentif yang diterima berdasarkan pada peningkatan kinerja karyawan. Kata kunci: penilaian kinerja karyawan, kompetensi, insentif, analytical hierarchy process.
PEMODELAN DAN PENYELESAIAN PERMASALAHAN PENJADWALAN PILOT DENGAN METODE EKSAK DEKOMPOSISI Rusdiansyah, Ahmad; Mirenani, Yani Dhina; Labiba, Zya; Siswanto, Nurhadi
Jurnal Teknik Industri Vol 9, No 2 (2007): DECEMBER 2007
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (315.97 KB) | DOI: 10.9744/jti.9.2.pp. 112-124

Abstract

Crew scheduling is one of most important operational problems in airline industries. Crew scheduling Problem consists of two steps that is "Crew Pairing" and "Crew Rostering". The research focusses on building Boeing 737-200's monthly pilot rostering of PT. X Airlines based on given pilot pairings. There are some vertical and horizontal regulations must be fulfilled in so that the problem becomes very complex and cannot be solved using a pure exact method in reasonable computational time. Accordingly, we propose a decomposition exact method to solve the problem. Our model was run using LINGO Optimization software. Experiment results showed that our schedules are outperform than the existing schedules of the airline for the case of May 2006. Abstract in Bahasa Indonesia : Penjadwalan kru pada suatu maskapai penerbangan merupakan salah satu permasalahan operasional yang terpenting. Penjadwalan kru terdiri dari dua tahapan yaitu tahap pengelompokkan kru dan penugasan kru. Penelitian ini memfokuskan pada pembuatan jadwal penugasan pilot pesawat Boeing 737-200 pada maskapai penerbangan PT. X Airlines yang ber-home base di Surabaya selama satu bulan, berdasar pada hasil pengelompokkan pilot yang telah ditentukan sebelumnya. Terdapat sejumlah peraturan horizontal dan vertikal yang harus dipenuhi membuatnya menjadi permasalahan kombinatorial yang sangat kompleks, sehingga tidak dapat diselesaikan dengan menggunakan metode eksak murni dalam waktu yang wajar. Untuk itu digunakan metode eksak dekomposisi. Model tersebut diterjemahkan menggunakan perangkat lunak optimisasi LINGO. Hasil eksperimen menunjukkan bahwa jadwal penugasan pilot yang dibuat dengan metode ini lebih baik daripada jadwal milik perusahaan untuk kasus pada bulan Mei 2006. Kata kunci: penjadwalan pilot, pengelompokkan pilot, aturan horizontal dan vertikal, metode eksak dekomposisi
A Hybrid Scatter Search Heuristic Algorithm for Solving Cockpit Crew Rostering Rusdiansyah, Ahmad; Musthofa, Danim; Siswanto, Nurhadi; Putri, Maulin Masyito
Jurnal Teknik Industri Vol 20, No 2 (2018): December 2018
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (709.28 KB) | DOI: 10.9744/jti.20.2.141-152

Abstract

This research introduces the development of Hybrid Scatter Search Heuristic for solving cockpit crew (pilot and co-pilot) rostering problem. This research aims to minimize the deviation of flight hours among the cockpit crew of an airline, Garuda Indonesia Airline, during the one-month planning horizon. The weakness of the existing algorithm used in the airline, which is a trial-and-error algorithm, is that the variation among crew flight times for one month is too significant and the scheduling process takes a quite long time. We tested the performance of our proposed algorithm to that of the existing algorithm. The numerical experiments showed that the proposed algorithm had outperformed the existing algorithm. More specifically, we found some in sensitivity analysis experiments. Our experiment results showed that that the higher the flight time target, the higher the total deviation of flight time. We also conducted several experiments to show the robustness of our proposed algorithm. First, we tested the relationship between the number of pilots who can use their preferences and the total deviation of flight time. We conducted experiments by giving the cockpit crew the opportunity to choose a day off. Finally, we analyzed the results by changing the number of cockpit crew.
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.
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 Cahyono, Beny Danim Musthofa 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 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 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 Teguh Putranto Trika Pitana Utama, Danu Wolfgang Busse Yani Dhina Mirenani Yani Dhina Mirenani Yuda Apri Hermawan Zya Labiba Zya Labiba