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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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Servant Leader’s Characteristics: Implications for Youth Christian Leaders in FS Community Ivana Krisantana
IPTEK Journal of Proceedings Series No 1 (2020): The 1st International Conference on Business and Engineering Management (IConBEM)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2020i1.11359

Abstract

The world knows many types of leadership, one of which is servant leadership pioneered by Greenleaf (1977). According to Spears (2010), servant leadership has 10 main characteristics that make it unique. These characteristics enable a leader to focus on his/her followers and strive to make them grow better, unlike other leadership styles that focus on organizational interests and goals (Rachmawati and Lantu, 2014). This practice of servant leadership started by Jesus Christ continues to be emulated and lived by many figures after Him. Unfortunately, not all people who claim to be Christians (followers of Christ) actually become servant leaders. This study aims to explore whether the main characteristics of servant leadership really emerge in leaders and still relevant to be practiced in church life today. We will focus on exploring servant leadership practices at FS Community, the youth community of GKA Gloria Pacar, using observation, interview, and document analysis. The ten characteristics that discussed in this research are listening, empathy, healing, awareness, persuasion, conceptualization, foresight, stewardship, commitment to the growth of people, and building community. These are not a requirement that all must be prominent in each leader, but rather are the traits of servant leaders. It means, the more these characters are seen in a person, the more he/she has a heart that is willing to serve, and the closer he/she is to the picture of a perfect servant leader. Although perfection is not possible because we are only limited human beings, these ten characters must be a dream to be pursued by leaders who claim themselves as servant leaders.
The Art and Sustainable Aspects of Natural Dyeing in KANAWIDA Hand Drawn Batik (Green Batik) July Hidayat; Fatmahwaty Fatmahwaty
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.y2014i1.207

Abstract

Indonesian batik has been recognized by UNESCO as the intangible cultural heritage of Indonesia. The ironic thing happened when Indonesian batik export is rejected by the market of European Union because of wearing artificial dyes and thus is categorized as eco unfriendly product. The chemical waste of artificial dyeing process can cause damage to environment and skin health of batik users. Therefore, the research and publication of natural dyeing materials and techniques in batik is needed to disseminate the techniques to craftmen and promote the use of green batik as a life style. In this paper, we discuss the art and sustainable aspects of natural dyeing in the making process of Kanawida Batik, one famous home industry of green batik in Banten and DKI Jakarta provinces. Using case study research method, we examine the art characteristics and implementation of sustainability requirements in the natural dyeing. The several results are: (1) knowledge about natural color sources and methods to produce it from natural materials, especially that are came from the richness and variety of Indonesian plants, (2) the manual and art characteristics of natural dyeing, (3) knowledge about how to implement sustainability in home industry of batik.
Analysis of Half Round Runner Dimensions Influence to Plastics Injection Results on Making Door Handle Using Taguchi Method Ulfa Fairuz Izdihar; Jata Budiman; Gamawan Ananto
IPTEK Journal of Proceedings Series No 3 (2019): International Conference on Engineering Technology Advance Science and Industrial Appli
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2019i3.5850

Abstract

Runner is a part of channel systems that flows the molten plastics from the sprue to the gate with a specified layout. The selection of runner shapes are according to the design of the mold and the product. Usually, the diameter of half round runner is calculated by the existing empirical formula. Predictably, the dimension of the runner is one of the factors that will be influencing the injection process and the resulting product. The objectives of experiment are to know how big the runner diameter that will be influencing the taken response and to prove that the existing empirical formula for calculating the diameter of runner is efficient. The experiment is designed by Taguchi method using Minitab applications to generate data of the influences of the runner diameter. The responses of this experiment are cycle time and product mass. The experiment is conducted by using the door handle products with Acrylonitrile-butadiene-styrene as known as ABS material. Besides diameter of runner, there are also other factors from parameters of injection process to be considered, they are nozzle temperature and injection pressure. In reference to Taguchi method, the authors took nine times experiment with three replications or repetitions for each data of experiment. The data from experiment were analyzed and calculated by Analysis of Variance (ANOVA) using Minitab applications to generate the results of experiment. As a result, the diameter of the runner had impact on the responses taken, either to cycle time and product mass as well. In conclusion, the runner diameter was ranked as the most influential compared to nozzle temperature and injection pressure
The Effect of Architecture Style on The Housing Thermal Condition in Humid Tropical Area Feriza Nadiar; I Gusti Ngurah Antaryama; Ima Defiana
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.y2017i2.2333

Abstract

Modern minimalist, Mediterranean and Modern tropical style are commonly found architecture styles in residences in Surabaya in the past decade. However, it is ironic that most of the styles are imported products which have different response level towards the local climate due to the fact that they are not designed for humid tropical areas. Thus, the choice of style has become really important so that the building can respond well to climate. This research was conducted on three architecture styles with three variants of each in a residential area in East Surabaya. This paper evaluates thermal performances and the influence of envelope elements on the thermal conditions in each sample house and evaluates which style that is potentially applicable to the humid tropical climate by using simulation method with the assistance of ECOTECT software. The results show that the variant B of modern minimalist style has the best envelope performance. Overall, house envelope with the original design is not effective enough. Design modification with good and suitable elements for the B variant of the Modern minimalist and Mediterranean turn out to be resulting in a more effective in solving thermal problems.
Real Time Train Monitoring using Google Maps Supeno Djanali; Ary M. Shiddiqi; Hudan Studiawan; Henning T. Ciptaningtyas
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.y2014i1.366

Abstract

Recently, there are many train accidents occurred in Indonesia where train collision contributes most of the causes. PT Kereta Api Indonesia (KAI) as state-owned enterprise that is responsible in monitoring train movement has not implemented a real time monitoring system. Thus, the current monitoring system relies on radio communication between train stations and train driver. In this paper, we propose a system to assist PT KAI to monitor train activities in a real time fashion. The system is implemented on a web based application. This web-based monitoring application equipped with complete station and train data in Java and Sumatra Islands. All trains latitude and longitude positions are retrieved through an embedded GPS device on train and the longitude and latitude data are then submitted to database server. At the server, the data is displayed in Google Maps accessible to authorized users. With this real time train monitoring system, PT KAI can track all train positions simultaneously. Therefore, the operating trains can be notified should a train collision potential is detected. Thus, the safety of rail passengers will be more assured.
Kinetics of Hg and Pb Removal in Aqueous Solution Using Coal Fly Ash Adsorbent Eko Prasetyo Kuncoro; Mochammad Zakki Fahmi
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.y2014i1.448

Abstract

The objective of this research was to investigate the kinetics aspect of Hg and Pb adsorption using coal fly ash. A series of a Hg and Pb adsorption experiment using coal fly ash with contact time variation was carried out. The results were plotted to pseudo first order kinetic, pseudo second order kinetic and intra-particle diffusion model. High values of R2 were obtained from the plots of kinetics model for both heavy metals investigated, these values exceeded 0,8. The conclusion obtained was that Hg adsorption kinetics followed pseudo second order kinetic model while Pb adsorption kinetics followed intra-particle diffusion.
Modelling and Analysis of the Dynamic Behavior of a Double Cylinder Inline 650cc Gasoline Engine with Crank Angle 0o for Rubber Mount Harus Laksana Guntur; Karina Yulia
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.y2014i1.298

Abstract

This paper presents a numerical study and analysis of the dynamic behavior of a double cylinder inline 650cc gasoline engine with crank angle 0o for rubber mount. Numerical study was done by mathematically modeling a double cylinder inline 650cc gasoline engine with crank angle 0o for rubber mount and simulating its dynamic behavior for 3 different connecting rod lengths:115.6mm, 125.6mm, and 135,6mm. Its mathematical model was developed from the physical model of engine produced by local manufacturer. All parameters used in the simulation are based on the engine specification provided by the manufacturer. In the mathematical model, connecting rod length was varied to investigate its influence to the engine’s dynamic behavior. Here, the engine system was modeled as a spring-mass-damper system excited by a periodic force produced by the cylinder working pressure with various excitation frequencies from 1000rpm to 5000rpm. The engine’s dynamic behavior was indicated by vertical motion (bouncing) and angular motion (pitching) of the engine mass, which is presented in displacement, velocity and acceleration. The results show that connecting rod length does not influence the engine’s dynamic behavior. Further, the increase in engine’s angular speed/excitation frequency influence significantly the engine’s dynamic behavior. The detail results of this study are reported and discussed in the paper.
Implementation of Social Networking Application as a Tool for English Language Learning in Vocational and Boarding School Eka Widhi Yunarso; Pikir Wisnu Wijayanto; Ismail Ismail
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.y2014i1.295

Abstract

SMK Al - Aitaam and PERSIS Boarding School is a place in the field of education , which are based on Islamic education . Development of science, technology , language very rapidly at this time also encourages the two educational institutions to incorporate foreign language learning (English) curriculum or guidelines in the learning process that runs in the two institutions. But learning undertaken encountered several problems such as lack of media dynamic learning English , which is always updated, by the changing times, the lack of computer facilities and internet media that can be used by students to add to the English vocabulary . To overcome it offered a solution to support English language learning by designing learning materials covering a wide range of intergrated skills competency which can be accessed free of charge by the students and teachers in the form of a social networking application that allows students improve their English skills by using a variety of features provided , ranging mastery of reading, writing and listening.
Stability Phenotypic Characters and The Scent of Gama Melon Parfum Cultivar Sigit Dwi Maryanto; Rini Etika Ranis; Budi Setiadi Daryono
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.y2014i1.286

Abstract

Parfume is one of the cosmetic product and its use is consistent. High prices of cosmetic product cause dependence on imported product. Innovative research is needed to reduce dependence on imported product. Melon is one of the potential horticultural crops to be developed in plant breeding. Gama Melon Parfum cultivars has strong of fragnant so its potentially to be used as parfume material. Research on morphological characters to support of Gama Melon Parfum as superior cultivar. The research aims to determine the level of stability of phenotypic characters and aroma of melon Gama Melon Parfum cultivar. Research methods was cultivated Gama Melon Parfum in Kebun Pendidikan Penelitian dan Pengembangan Pertanian (KP4) UGM Yogyakarta. Furthermore, the phenotypic characters was observed consist of qualitative and quantitative characters. The methods of sampling used Randomize Complete Block Design (RCBD) and quantitative phenotypic characters were analyzed using software PKBT-STAT-2. The result of qualitative characters on Gama Melon Parfum cultivars has oblate shape, small size, yellow-orange skin of colour with 9-10 lobes and longitudinal, white of flesh colour, crunchy texture, bitter taste, zero score of nett (not netted), strong of fragnant, and has spesific qualitative characters called turbin. Quantitative characters on Gama Melon Parfume cultivars consist of average weight of 160 gram; circumference of 21,8 cm; horizontal diameter of 6,89 cm; vertical diameter of 6,44 cm; thick skin of 1 mm, thick flesh of 1,06 cm; the number of seed of 200-300; weight of 100 seed of 1,74 gram; harvest 63-65 day after cultivate; and 17 days of storage time.
Designing Travel Aggregator Application Using the Integration of Fuzzy Electronic Service Quality and Fuzzy Refined Kano Amanda Sucita Brahmana; Yati Rohayati
IPTEK Journal of Proceedings Series No 1 (2020): The 1st International Conference on Business and Engineering Management (IConBEM)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2020i1.11944

Abstract

The rapid development of transportation business makes travel aggregator application needed by the community. One diversified multinational company in Indonesia has developed a travel aggregator application to make customers easier to choose travel according to their needs. However, application design does not meet the standards proven by a preliminary survey. Therefore, it is necessary to explore the user's needs for travel aggregator application. This research aims to identify True Customer Needs by using the integration of Fuzzy Electronic Service Quality and Fuzzy Refined Kano in order to improve accuracy of data. To ensure the quality of the application before it is released, there are 8 key dimensions of quality that used namely payment method, application design, ease of use, responsiveness, security & privacy, information quality, portability, and maintainability. Fuzzy Electronic Service Quality is used to measure the level of satisfaction using the Fuzzy questionnaire. Fuzzy Refined Kano is used to obtain categories namely attractive (A), must-be (M), one-dimensional (O), indifferent (I), reverse (R) and questionable (Q) on each attribute need with Fuzzy processing. Based on the integration, there are 22 attributes need with 14 strong attributes need that need to be improved. The improved attributes need is called True Customer Needs.

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