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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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Identification of Coral Reef Conditions Using Hydro-Acoustic Technology in Giligenting Island, Sumenep Regency Indonesia Fauzan Syaikhu Islam; Danar Guruh Pratomo; Khomsin Khomsin
IPTEK Journal of Proceedings Series No 2 (2019): The 3rd Geomatics International Conference (GEOICON) 2018
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2019i2.5303

Abstract

Coral reefs are one of the major ecosystems in the coastal region with high biodiversity and resource level. As productive ecosystems with high economic and ecological potential, the existence of coral reef ecosystems must be sustainably managed. One of the areas with high diversity of coral reefs is Giligenting Island located in Sumenep regency. This research was conducted by taking primary data in the form of tidal data, bathymetry data and Side Scan Sonar recordings. From the primary data and then processed until produces 3 dimensional model of seabed features that are then interpreted and analyzed to obtain information about healthy or damaged coral reefs, using underwater geo-tagged photos to validate. The 3-dimensional model has a maximum depth of 7.667 meters and 1.403 meters at minimum depth with an area of 100,536.097 m2. From the interpretation of Side Scan Sonar acoustic images it is found the area of sand feature is 30.79%; the area of mud feature equal to 29.94%; the healthy coral covering 35.75% of the survey area, consisting 10.09% of coral reef barrier reef feature, and 25.66% of small coral reef feature; and 3.52% of damaged coral reef feature from total 43,527.110 m2 Side Scan Sonar survey area.
Process Safety Index in Chemical Process Dyan H.A Sudarni; Juwari Juwari
IPTEK Journal of Proceedings Series No 2 (2017): The 2nd Internasional Seminar on Science and Technology (ISST) 2016
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2017i2.2271

Abstract

Safety is a strategy to reduce the risk of major process accidents. The principle of a safety is to reduce the risk of fails and can be applied easily as the inherent safety. the research which assesses the safety and appeared have a lot of new methods. This study tried to summarize some of the existing methods. The study focused on the case of making methyl methacrylate (MMA) with acetone cyanohydrin (ACH). The processing manufacturing production is divided into four stages or routes. Which are production of hydrogen cyanide (HCN), acetone cyanohydrin (ACH), HMPSA/HMPSE and methyl methacrylate (MMA). Safety assessment is a stages with standardization. Standardization aims to ease look at the risk level of a route. Assessment standardization it produces characteristic safety assessment of the risk level. The level of these characteristics assess any level of danger when the process conditions of a factory. Each production process of the plant there are several production steps. The steps in the production process including preparation, reaction, separation and purification. Of these processes often occur a failure. Then table the characteristics of this suggested to simplify petrified assess how the level of security in the process. In research took a case of making MMA with ACH. The process of making this MMA has four step process HCN, ACH, HMPSA / HMPSE and MMA. The four steps greatest potential failure or hazard is found in the first step with the characteristic 'Moderate', the according to the characteristics of the proposed table.
Analysis Characteristic of Province Travelling Intercity of AKDP Makassar-Parepare Route, South Sulawesi St. Maryam Hafram; Herman Parung; Tri Harianto; Muh. Isran Ramli
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.y2014i1.219

Abstract

Intercity Transportation is a kind of transportation that connects one city to other cities that are still located in one provincial administrative region or province intercity, as well as located in the other provinces. province intercity service works in one route network and the road infrastructure as contained in the regulation route reguirement. The type and amount of Goods Mode In this study are Damri Bus, Minibus, BMA, and the types of MPU vehicles conprises of Panther, Kijang, Avanza etc. The purpose of this study is to analyse the travelling Charakteristics of AKDP that comprises of passenger and operator, travelling expense of AKDP, which is covering of passenger expense and operational vehicles cost (BOK) of Makassar-Pare pare route. The survey of data collection for passengers was done at the locations of departure and transit of province intercity transportation that is in Daya regional terminal and unofficial terminals in a number of departure points along Perintis Kemerdekaan Street up to the borders of Makassar, the base of public transportation of province intercity base located in Makassar suburban areas and the stopovers province intercity Barru and Parepare.
An Efficient Method for the Production of Biodiesel from Rice Bran Siti Zullaikah; Yulia T. Rakhadima; M. Rachimoellah; Tri Widjaja; Sumarno Sumarno
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.y2014i1.321

Abstract

A modified in situ esterification was employed for the economic competitiveness of biodiesel production from rice bran.  The effects of methanol to rice bran ratio, acid catalysts, and reaction time on the biodiesel yield and purity were investigated. Biodiesel yield and purity of 17.99% and 67.04%, respectively, were obtained used acid catalyst (H2SO4) of 2.37%, ratio of methanol and rice bran of 15 (mL/g), and 5 h of reaction time.  Recovery of crude biodiesel obtained was 92.45%. Based on the proposed method, the production process of biodiesel could be simplified and improved; therefore, the production cost probably could be reduced further.
Model of the coil steels loading planning problem in railway carriage D I Maftuhah; I Vanany; A R Muchsinin; D Rahadian
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.y2018i3.3709

Abstract

In this paper, the coil steels loading planning problem in trains is considered. This problem consists of determining the optimal assignment of coil steels to wagon slots of train in order to maximize the total weight of coil steels in railway carriage. Both knapsack problems and linear programming method are used to develop model of coil steels loading planning problem. The comparisons between the subjective adjustment method and the best solution of proposed model were conducted and were found through extensive experimental test of proposed model. The results of proposed model presented that the amount of coils steels that were more than and the weights of coil steels heavier than subjective adjustment method.
The Effect of Chemical Substance and Immersion Time to Tensile Strength of Bamboo Betung (Dendrocalamus asper) as Chemical Preservation Treatment Afif Rizqi Fattah; Ken Ninez Nurpramesti Prinindya; Hosta Ardhyananta
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.y2014i1.580

Abstract

Bamboo is one of the materials which availability is overflow and easy to renewable. However, in use of bamboo, it often degraded by biotic and abiotic factors. Preservation is required to keep service life from bamboo that more durable. This research aims to analyze tensile strength of bamboo after have chemical preservation treatment and weather. Bamboo which researched is bamboo Betung (Dendrocalamus asper). This research use a method as this. First, bamboo be cut into tensile test sample, then makes a preserve liquid borax 0,05 M in 1 liters of water, boric acid 0,05 M in 1 liters of water, and mixture borax liquid with boric acid, with volume increase of boric acid liquid in every borax liquid amount as 20, 40 and 60%. Then, bamboo immerse in preserve liquid. After that, do tensile test to bamboo sample without weathering, and bamboo sample with weathering. From the result of this research, chemical substance of preserve raise a tensile strength. More time of immersion, tensile strength is drop. Tensile strength of bamboo Betung has not decreased on three days of weathering.
Thermal Performance of Apartment (High-Rise) in Surabaya with Precast Concrete for the Building Envelope Romanria Violina Mahardhika; Ima Defiana; V. Totok Noerwasito
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.y2014i1.230

Abstract

Lack of horizontal land causes the development of vertical buildings. Residences in major cities are dominated by apartments from the low rise to the high rise types. Based on the information cited from Vivanews May 2, 2010, the number of apartments in Surabaya approximately 12 new apartment projects and has been built with a total of 5,000 units with an average of nearly 80% is sold in every apartment. Current sheath material that is widely used for apartment’s envelope is precast concrete. Precast concrete is the material that had been made at the factory in accordance with the form of the mold, then the molded concrete will be transported and installed to the building construction site. Precast concrete is chosen because it has several advantages when compared to conventional concrete structural system, including the efficiency of processing time, energy efficiency, and environmentally friendly. Given these statements, the researcher needs to know the thermal performance of apartment buildings (high-rise) in Surabaya with precast concrete building envelope. Expected to know the configuration of precast concrete materials in the building envelope, the researcher can construct an apartment building design proposals that meet the criteria of thermal comfort in tropical regions. This study aims to identify and explain the thermal performance of the precast concrete configuration in apartment buildings (high-rise) in Surabaya for the buiding envelope. The method that is used for this research is an experimental method to study the object with modeling strategies by Archipak for the simulation. The results shows that thermal performance of precast concrete pretty well applied to the apartment with thermal properties that support the value of the thermal performance of precast.
Shear Behavior of Joint The Partial Prestressed Concrete Beam-Column Reinforced Concrete of Ductile Frame Structure Building In a Scure Residents and for Settlement Environment Made D Astawa; IGP Raka; Tavio Tavio
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.y2014i1.347

Abstract

   Concentration of this study is to create a Specimens model of Joint Interior Beam - Column using Partial Prestressed Concrete Beams elements connected with Reinforced Concrete Column. Design capacity of Beam- Column Joint Shear is the horizontal shear reinforcement in the form of stirrups Æ 10-50 mm to fill the empty space bj = 288 mm . The capacity Shear that can be deployed by the cross bar = 103.62 kN. Total shear force that is capable of detained by the beam-column joint structures are Vjh = 409 kN. This study is a continuation of research SRPMK models shaped beam - column joint with beam section 250/400 mm , and the column section 400/400 mm , the source of funds from Research Ditlitabmas Decentralization Program of Higher Education , through ITS Featured Research Grant in 2013 .  Experimental studies have been conducted with Cyclic loading ( pseudo dynamic ) lateral , static axial load on the column as a stabilizer . Specimens ability to withstand Ultimate Lateral Cyclic Load : conditions Load push (press) = 470.90 kN and Load Pull = 465.80 kN. Everything is > 409 kN.Ductility structure also qualified in 3.50% Drift Ratio: Conditions Press m = 1.27 > 1.20, Pull Conditions m = 1.29 > 1.20. In general, behavioral modeling structure has qualified as a reliable protection occupancy when the building was hit by an earthquake.
System Application of Genetic Algorithm for Scheduling Optimization Study Using Java (Case Study : Department of Computer System UNTAN) Fatma Agus Setyaningsih
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.y2014i1.385

Abstract

cheduling of lecture in a university is a college activities into the work place and time that there is room in such a way so as to minimize the violation of the scheduling problems of a lecture. Problems that are often referred to as the University timetabling problem ( UTP ) is, requires a lot of consideration include the number of students, number of teachers who are not proportional to the number of courses, the amount of space used, as well as lecture predetermined time. Scheduling lectures with the automation system is very important because it can save you hours of work and provide optimum solutions in a short time, which can increase productivity, the quality of teaching and learning, and quality of service. One method that can be used to complete the course scheduling problem is a genetic algorithm approach. Genetic algorithm is an optimization tool that models the principles of evolution. Genetic algorithm is able to find a globally optimum solution in the search space is very complex. By using an initial population of solutions is encoded and selected based on its quality, and then used to create a new population using crossbreeding and mutation process of the initial individuals. Evaluation function is used to calculate the hard constraints and soft constraints can be met. This study discusses the scheduling college located in Department of Computer Systems Untan. The purpose of study is to optimize the college scheduling and to make easier the scheduling job with make a college scheduling software
Interactive Whiteboard and Instant Quiz for Multimedia Classroom Activity Ary Mazharuddin Shiddiqi; Royyana M. Ijtihadie; Emerson Eridiansyah Z; Baskoro Adi Pratomo; Tohari Ahmad; Waskhito Wibisono
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.y2014i1.363

Abstract

Information and communication technology have become a very strategic aspect in supporting human life.  One of the aspects is in education, particularly the use of e-learning system. In the e-learning system, the use of multimedia (such as video conferencing) technology allows users to have an interactive meeting without having to see collocutor directly. In this system, each user communicates by using computer networks, either locally or through the internet. This trend has encouraged developers to create such applications online. However, most of them are paid application and less convenient to use. This research developed an interactive e-learning system with features such as online quiz, whiteboard, video conference and VoIP. In this system, a web based e-learning system with video VoIP provides learning activities by the interaction of both parties that lecturers and students. This system enables the teacher and user to have an interactive conversation and to have quizzes in the middle of a class. This method is aimed to evaluate the students understanding of the materials currently presented. Delay and jitter value of this system increases along with the increase number of users. With the 15 users, the Hypertext Transfer Protocol (HTTP) delay value reaching 32.3672 and 101.6028 ms for the jitter value. Furthermore with 15 users, the Real Time Messaging Protocol (RTMP0 delay value reached 51.8868 ms and 92.0052 ms for the jitter value.

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