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IPTEK Journal of Proceedings Series
Published by Institut Teknologi Sepuluh Nopember Surabaya
ISSN : 23546026     EISSN : -     DOI : -
Core Subject : Science,
Computer Science & IT
IPTEK Journal of Proceedings Series publishes is a journal that contains research work presented in conferences organized by Institut Teknologi Sepuluh Nopember. ISSN: 2354-6026. The First publication in 2013 year from all of full paper in International Conference on Aplied Technology, Science, and Art (APTECS). It publish one time a year after the held of APTECS event.
Arjuna Subject : -
Articles 1,079 Documents
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Managing Risk of Lean Manufacturing Concept Implementation Approaching by Delphi and HOR Widiasih, Wiwin; Karningsih, Putu Dana; Ciptomulyono, Udisubakti
IPTEK Journal of Proceedings Series No 1 (2015): 1st International Seminar on Science and Technology (ISST) 2015
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2015i1.1132

Abstract

The implementation of Lean Manufacturing (LM) concept was first performed at automotive industries. It is not easy being lean. Lean manufacturing concept implementation will not succeed at the first time. There were things that may have prevented the implementation meeting the objective is considered as risk. It necessary to maintain the risk of LM concept. This research will show the way for managing risk of LM implementation by Delphi and House of Risk method. This research was team up with aerospace industry in Indonesia who has been implementing LM concept. In this research, 19 risks have been identified. The rank of risk agent has been determined.
Appearance of unplanned settlement as a reality in Medan City and surrounding area Marpaung, Beny OY
IPTEK Journal of Proceedings Series No 3 (2017): 8th International Conference on Architecture Research and Design 2016
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2017i3.2441

Abstract

Many unplanned settlements have appeared in Medan City and its surrounding areas. In general, people living in unplanned settlements have come from middle to lower class communities. The process and the components of unplanned residential areas arrangements are indeed related to social situation of their inhabitants. Social circumstances of unplanned settlements in Medan City and its surrounding areas offer a challenge to research about various forms of unplanned settlements; the pattern of buildings position and roads; and the people’s mindset in building the physical environment. The settlements are formed based on the inhabitants’ mentation which has its own characteristics. The study observes the possibility of spatial phenomena in a residential area that is formed unplanned. The location of this study is on unplanned settlements inside and outside Medan City. The research area is a settlement in Kelurahan Polonia and Silalas at Medan City and Besilam Babussalam Langkat which is located outside Medan City. This study uses qualitative methods to analyze and obtain discovery. Variables and data are determined based on the research of the theoretical basis. The conclusion from this study is the form of unplanned residential district tends to born from its inhabitants’ idea and the forming process of unplanned settlements really affects the development of the settlements itself.
Daylighting Performance of Various Layout Alternatives in an Open Building Apartment in Surabaya Hendrik, M.L.; Dinapradipta, Asri; Ekasiwi, Sri Nastiti N.
IPTEK Journal of Proceedings Series No 1 (2018): 3rd International Seminar on Science and Technology (ISST) 2017
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2018i1.3518

Abstract

Utilization of natural light in an open building apartment is one of the several ways to save energy. Not only saving energy but it also sustains the healthy life of the occupants. This paper discusses the effect of layout alternatives mainly due to the potential changing arrangement of the bedrooms and the position of transparent window surfaces on daylighting performance i.e illuminance distribution and averages of illuminance. The Method used in this paper is an experimental method using Radiance 1.02 simulation as a tool. The changed layout in which is the bedroom spaces position concentrated on one window side of space with two separated transparent windows provides a good result with a percentage of area fulfills the standards equals to 29%
Advances in Smart Technologies for Structural Health Monitoring of Cable-stayed Bridges Ho, Duc-Duy; Le, Thanh-Cao
IPTEK Journal of Proceedings Series No 6 (2017): The 3rd International Conference on Civil Engineering Research (ICCER) 2017
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2017i6.3264

Abstract

This study deals with the general problem of developing smart technologies for vibration and impedance-based structural health monitoring (SHM) of cable-stayed bridges. The following approaches are implemented to achieve the objective. Firstly, vibration- and impedance-based SHM methods suitable for cable-stayed bridge are briefly outlined. Secondly, smart sensors are designed for vibration- and impedance-based SHM. Thirdly, the practicality of the smart sensor system is evaluated on a real cable-stayed bridge, Hwamyung Bridge in Korea. The system's performance is experimentally analyzed under various cable forces and weather conditions. Finally, the experimental modal parameters are identified by numerical modal analyses of the target bridge. Also, its structural parameters are estimated from the vibration-based structural identification using experimental modal parameters.
Development of a Microfluidic Device to Improve Microfiltration Process Rohyani, Achmad; Schmitz, Philippe; Lafforgue, Christine
IPTEK Journal of Proceedings Series Vol 1, No 1 (2014): International Seminar on Applied Technology, Science, and Arts (APTECS) 2013
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2014i1.300

Abstract

When neutrally buoyant particles are subjected in laminar and continuous flow, one can observe that particles generally migrate across the streamlines in a particular way. Such lateral motion called “tubular-pinched effect” causes particles tend to migrate toward micro channel wall. The origin of this motion is due to the parabolic nature of the laminar velocity profile in Poiseuille flow. This phenomenon produces a shear-induced inertial lift forces which allows the scattered particles focused and form narrow annulus near the wall. The focalization of particles could improve the method of separation process by using microfiltration. Then, micro porous membrane is used for microfiltration which filters focused particles from a fluid by passage through it. In this work, we use this lift forces generated in laminar microfluidic systems to focus randomly distributed particles continuously. The form of particles deposition poon micro porous membrane hence was observed to determine the important parameter influencing the equilibrium position of the particles. A numerical simulation (COMSOL Multiphysics ®) has also first been developed to study the influence of channel and on the subsequent size of annulus formed by the focused particles on the membrane.
Accounts Receivable Seamless Prediction for Companies by Using Multiclass Data Mining Model Irawan, Ferry; Samopa, Febriliyan
IPTEK Journal of Proceedings Series No 1 (2019): 4th International Seminar on Science and Technology 2018 (ISST 2018)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2019i1.5096

Abstract

Most companies find themselves in highly competitive markets nowadays. As a result, many companies struggle to manage their financial obligation to pay their supplier on time. Delayed payments to suppliers can create all kinds of issue with the supplier's cash flow. Finding a way to reduce or avoid any potential losses because of this delay is needed. Currently, data mining techniques have been widely applied to the assessment or prediction of credit scores for customers in the banking industry (credit scoring), and the most commonly used method is classification. Based on previous studies, research has been conducted to develop a data mining model to produce the best classification model to predict a customer’s payment capabilities. With the application of data mining approaches using oversampling, feature selection (FS) algorithm, including Relief, Information Gain Ratio, PCA, and multiclass algorithm, including Random Forest, SVM, One-versus-all, All-versus-all and Error Correcting Output Coding (ECOC), is expected to produce good accuracy to predict the ability of these payments. As a result of this research, the model proposed can provide the best classification model with 84.24% accuracy and AUC value of 95.3% using sample dataset of manufacturing industry within three years period
Prediction of Ternary Vapor-Liquid Equilibria for Alcohols + Glycerol + Water Systems to Enhance the Quality of Glycerol as Biodiesel Side Product D. Setiawati, Eviana; Mustain, Asalil; Wibawa, Gede
IPTEK Journal of Proceedings Series No 1 (2015): 1st International Seminar on Science and Technology (ISST) 2015
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2015i1.1172

Abstract

Fossil fuels as the primary energy resources around the world cause significant negative effect on atmosphere. Recently, biodiesel, which primarily produced from renewable resources, has received great attention because of its environmental benefits. Higher chain of alcohols, such as butanol, may be used as solvent to produce biodiesel with glycerol as byproduct. In order to enhance the quality of glycerol as biodiesel side product which meets food and pharmaceutical standards, vapor-liquid equilibria (VLE) data for ternary systems consisting of 1-butanol, 2-methyl-1-propanol, glycerol and water are required to design and optimize the separation process of glycerol. In this work, the prediction of ternary VLE for (1-butanol / 2-methyl-1-propanol + glycerol + water) using UNIFAC model were determined at various temperatures and compositions and compared with the experimental data giving Average Absolute Deviations (AAD) less than 5.7%. The results indicated that UNIFAC was a reliable model for phase equilibria predictions in the mixtures containing of glycerol
Gambaran Sarana Air Bersih dan Jamban Keluarga di Daerah Tertinggal Kabupaten Sampang R. Devy, Shrimarti; R. Nadhiroh, Siti; D. Rahmayanti, Riris; Martini, Santi
IPTEK Journal of Proceedings Series No 5 (2017): Simposium I Jaringan Perguruan Tinggi untuk Pembangunan Infrastruktur Indonesia (2016)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2017i5.3023

Abstract

Salah satu kabupaten di Indonesia yang termasuk dalam daerah tertinggal adalah Kabupaten Sampang yang termasuk dalam wilayah Provinsi Jawa Timur. Kabupaten Sampang merupakan salah satu kabupaten yang terdapat di Pulau Madura. Sejak tahun 2003 Kabupaten Sampang telah terbagi dalam 14 Kecamatan sebagaimana dijelaskan dalam Peraturan Daerah No. 2 Tahun 2003, tanggal 23 Juni 2003 tentang Pembentukan Kecamatan Pangarengan Kabupaten Sampang dan Peraturan Daerah No. 3 Tahun 2003 tanggal 23 Juni 2003 tentang Pembentukan Kecamatan Karangpenang Kabupaten Sampang. Angka harapan hidup (AHH) Kabupaten Sampang meningkat setiap tahunnya namun berjalan lambat. Selama periode 2007-2012, AHH Kabupaten Sampang meningkat sebesar 3.4 poin, yaitu 64.52 tahun. Meskipun meningkat, UHH Kabupaten Sampang masih jauh di bawah UHH nasional pada tahun 2013 sebesar 71 tahun dan standar UNDP 85 tahun. Selama periode 2008-2012, terjadi fluktuasi persentase rumah tangga yang terlayani air bersih di Kabupaten Sampang dengan kecenderungan meningkat. Persentase rumah tangga yang terlayani air bersih sebesar 69,34% pada akhir periode. Sementara itu, hasil pengumpulan data primer menunjukkan bahwa sebagian besar responden telah mendapatkan akses untuk mendapatkan sumber air minum dari sumur terlindung. Untuk kepemilikan jamban, 70% responden mempunyai jamban sendiri, namun sebagian besar masih berupa jamban cemplung dan tempat pembuangan akhirnya langsung ke tanah.
Designing model of performance measurement system of sugar industry cluster based on integrated performance measurement system approach Partiwi, S G; Agusta, Y R
IPTEK Journal of Proceedings Series No 3 (2018): International Conference on Industrial and System Engineering (IConISE) 2017
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2018i3.3706

Abstract

The Indonesian need for sugar is not balanced with domestic sugar production. This is reinforced by the fact that Indonesia is still a sugar importing country since the 1990s. Since 2010 - 2014, Indonesia's import value reaches 1.7 million US $ every year. This situation indicates mismatch with the roadmap of the sugar industry which is expected by 2015 to 2020. East Java as one of the largest contributor of Indonesian sugar with a contribution percentage of 52.31% of the overall national production has an important role in the development of the sugar industry. Therefore, a comprehensive sugar industry cluster development strategy is needed to be developed.  The design of performance measurement system with Integrated Performance Measurement System (IPMS) approach was chosen by selecting PT 'X' as the core agent. The research stages are identification of sugar industry cluster system, stakeholder requirement and objective, Key Performance Indicator (KPI) formulation and model development. Development of performance measurement model by determining aspects and criteria of success of industrial cluster, weighting on each element using Analytical Hierarchy Process (AHP), and designing scoring board to facilitate implementation. There were 4 aspects in performance measurement, 9 criteria, 3 sub criteria and 45 KPI’s.
Analysis of Air Traffic Density using GIS, Case Study: Jakarta-Surabaya Sekartadji, Ratih; Ahyudanari, Ervina; Jaelani, Lalu Muhamad
IPTEK Journal of Proceedings Series No 6 (2017): The 3rd International Conference on Civil Engineering Research (ICCER) 2017
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2017i6.3288

Abstract

The growth of air transportation is encouraged by high demand to travel fast. Jakarta-Surabaya route is placed as the fourth busiest traffic in the world. This busy route still possible to increase, unless there is an alternative mode of transport to serve the demand of this route. Aircraft flies at a certain flight level that is influenced by the flight distance and the type of aircraft. Jakarta-Surabaya route is served by aircrafts with different types. This means that some flight levels between Jakarta and Surabaya are occupied by these serving aircrafts. On the other hand, at the same flight level, there will be some other planes for other routes. This research attempts to picture the density of the flight level of Jakarta-Surabaya route. The density value will be useful to predict the air quality and the available air space to add the flight frequencies. Data collection of Jakarta-Surabaya flights was aimed to identify the occupied flight level by this route. For other routes that may be crossed or in line with the Jakarta-Surabaya route, are derived from International Civil Aviation (ICAO) Charts. Incorporating the route volume resulting the traffic derivation from the charts and scheduled flight into the network attribute of GIS. Data histories of the flight density from ICAO Charts are used to predict the future density utilizing the GIS. The horizon year for this research is year 2030 where some airports will be improved into higher level airport groups, according to PM No. 69 year 2013.

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