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IPTEK Journal of Proceedings Series

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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.

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Articles 1,079 Documents

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Feasibility Study Wear Rate Measurement Using 3D Scan Imaging Kurniawan Kurniawan; Rochim Suratman; Bagus Budiwantoro; Satryo S. Brodjonegoro; Riona I. Media
IPTEK Journal of Proceedings Series No 3 (2019): International Conference on Engineering Technology Advance Science and Industrial Appli
Publisher : Institut Teknologi Sepuluh Nopember

This paper studied on optimizing the 3D scan parameters of flared chisel bucket teeth as a worn component to achieve prospect scanning micro wear in different percentage of volume loss. Taguchi L8 orthogonal array was used to design of experiment. Specimen composed in three different volume loss 1%, 3%, and 5% were scanned to obtain model CAD volumes. Volume dissimilarity was calculated by comparing model CAD volume and mass – density conversion. Shutter Time, grid, distance, and meshing were chosen as 3D scan parameters. Biggest effect and optimal scanning parameter were determined using the signal-to-noise (S/N) ratio which was calculated for volume dissimilarity according to the ‘‘the-smaller-the-better’’ approach. The effects of scanning parameter were evaluated by analysis of variance. 3D imaging feasibility study for small volume measurement could be a critical point in micro wear measurement. The statistical analysis indicated that the parameters that have the biggest effect on volume dissimilarity with 1%, 3%, and 5% volume loss are the meshing method and distance, respectively. The optimal setting parameter capturing image is 12 ms shutter time with normal meshing above 15 mm distance. Additionally, the interaction scanning parameter for 1%, 3%, and 5% volume loss was presented.

Effect of Screw Diameter in Femoral Fracture Fixation Modeled by Finite Element Method Muhammad Nashrullah; Belladina Clara Shinta; Mas Irfan P. Hidayat; Agung Purniawan; Yuli Setiyorini
IPTEK Journal of Proceedings Series No 2 (2017): The 2nd Internasional Seminar on Science and Technology (ISST) 2016
Publisher : Institut Teknologi Sepuluh Nopember

research in the field of biomechanics related to orthopedic implants is rapidly growing in the world, especially for fixation of fractured bone. Fixation is a surgery to locate and attach a plate pressed by screws at the fractured bone. Most of the fracture bones sited in femur. This research focuses on modeling and simulation of plate and screw made of SS316L material for the fixation of the fractured femur using finite element method (FEM). SS316L is a material with good biocompatibility, cheap, and ductile enough. Modeling and simulation done using ANSYS 15.0 software. Simulation results are stress, strain, and total deformation. It is obtained that optimum diameter of screw is 4.5 mm with respect to minimum value of von Mises stress and deformation.

Motorcycle Red Box Evaluation at Signalized Intersections in Bogor: Traffic Flow, Occupancy Rate and Stop Line Violation Agah Muhammad Mulyadi
IPTEK Journal of Proceedings Series No 6 (2017): The 3rd International Conference on Civil Engineering Research (ICCER) 2017
Publisher : Institut Teknologi Sepuluh Nopember

The number of motorcycle’s population until the end of 2016 was reach the peak around 98.2 million units and the sales was reach 5.93 million units. The accumulation of motorcycle disorderly movement at signalized intersection during waiting at the red light is a negative impact due to high motorcycle population. The red box is an alternative solution to increase signalized intersection performance. The aim of this paper is to evaluate the implementation of Red Box for motorcycle in relation to traffic flow, occupancy rate and traffic violations. The traffic flow analysis used the Indonesian road capacity manual while analysis of the occupancy rate and traffic violation method used the guidelines of Red Box monitoring. Analysis of the result showed that after implementation of the Red Box, traffic flow increased up to 15.64%. The occupancy rate to the capacity increased around 22.70% to 38.40%. Meanwhile, the Red Box occupancy by motorcycle was only around 33.33% to 68.33%. The number of stop line violations decreased up to 89.88%

Implementation of Lean Services in Hospitals To Improve The Efficiency of Patient Services in The Organization Of Health Social Security (BPJS) Suhartini Suhartini; E Yuliawati; N Rahmawati; D A H Syahputra
IPTEK Journal of Proceedings Series No 6 (2018): International Conference on Advanced Engineering and Technology (ICATECH) 2018
Publisher : Institut Teknologi Sepuluh Nopember

The hospital has a very vital role in efforts to improve the health status of all Indonesian people. When the process of serving a hospital is not effective and efficient, patients who can be referred to as customers from the hospital will feel the impact. Long processes and patients who are required to queue in each process results in patients having to wait a long time to get service. It is hoped that Lean will apply it to hospitals to improve the process so that it can provide optimal services, and at a lower cost. From the results of this study, the waste found in the service of The Organization of Health Social Security (BPJS) is waiting /delay & defect. The impact of lean service implementation on the BPJS Health patient service process according to the process activity mapping, increasing the process cycle efficiency to 64%, according to the supply chain response matrix is to add service facilities, and according to the quality filter mapping is to carry out routine control of the registration process and the amount of stock paper and printer

Software Fault Prediction Using Filtering Feature Selection in Cluster-Based Classification Fachrul Pralienka Bani Muhamad; Daniel Oranova Siahaan; Chastine Fatichah
IPTEK Journal of Proceedings Series No 1 (2018): 3rd International Seminar on Science and Technology (ISST) 2017
Publisher : Institut Teknologi Sepuluh Nopember

The high accuracy of software fault prediction can help testing effort and improving software quality. Previous researchers had proposed the combination of Entropy-Based Discretization (EBD) and Cluster-Based Classification (CBC). However, the irrelevant and redundant features in software fault dataset tend to decrease the prediction accuracy value. This study proposes improvement of CBC outcomes by integrating filtering feature selection methods. Filtering feature selection methods that will be integrated with CBC i.e. Information Gain (IG), Gain Ratio (GR), and One-R (OR). Based on the research using 2 datasets NASA public MDP (i.e. PC2 and PC3), the result shows that the combination of CBC and IG yields the best average accuracy value compared to GR and OR. It generates 67.52% average of probability detection (pd) and 37.42% average of probability false alarm (pf). While CBC without feature selection yields 65.38% average pd and 49.95% average pf. It can be concluded that IG can improve CBC outcomes by increasing 2.14% average pd and reducing 12.53% average pf

Vessel Collision Avoidance System (VCAS) Based on AIS Data Arinta Y. Wardani; A.A. Masroeri; Aulia S. Aisjah
IPTEK Journal of Proceedings Series No 1 (2015): 1st International Seminar on Science and Technology (ISST) 2015
Publisher : Institut Teknologi Sepuluh Nopember

In Indonesia, Maritime transportation delivers more than 71% of 96% to international trade in the world. It is a huge contribution to Indonesian economy. But, it is in contrary in the matter of safety. Based on National Transportation Safety Committee, there are 31 marine accidents, and around 25% of them is ship collisions which caused by human error. Accordingly, the research proposes a design of Vessel Collision Avoidance System (VCAS) based on AIS data as the input of vessel identification trajectory by using Fast Patrol Boat. As the result, this paper simulates Fast Patrol Boat maneuvering to prevent collision with another vessel.

Preliminary study towards eco-design of housing in coastal settlements in Surabaya (Case study of fishermen housing design after the development of Kenjeran Bridge, Surabaya) Dewi Septanti; Rika Kisnarini; Purwanita Setijanti; Ayi Syaeful Bahri; Wahyu Setyawana
IPTEK Journal of Proceedings Series No 3 (2017): 8th International Conference on Architecture Research and Design 2016
Publisher : Institut Teknologi Sepuluh Nopember

This paper involves a discourse about design based research and the research itself. To capture the goals, the issues of this paper are how to re-design the housing surrounding the bridge which built for tourism reason ecologically. In order to improve the quality of the area surrounding the bridge and due to support the tourism and human life, this study would like to investigate the issues about the improvement of settlements quality related to their impact of post construction of the bridge. The study focused on the households’ requirements for functionality of houses especially to support tourism and business activities at home. Although several studies on coastal housing problems have been conducted widely, investigation on sustainability of the building is still limited (Kobayashi, 2000; Marfa’i, M.A, 2008). In term of method, this study was design as an explorative, descriptive, ex-poste and evaluation study. By using the in- depth interviews method, the idea, hope, expectation of inhabitants was gained. 30 respondents were taken from 3 local sub district area. The results showed that the households’ needs can be observed through their activities. Households’ activities determine their requirements for the houses design. The kind of activities also influence the houses design and it’s attributes (e.g size, the type of space). By comparing the attributes of the houses and households’ requirements, the design is determined. In which kinds of tourism activities are included in their daily activities.

Computational Fluid Dynamics Simulation of Clearance Effect in High Solid Loading Polydisperse Solid-Liquid Mixing Iman Mukhaimin; Tantular Nurtono; Sugeng Winardi
IPTEK Journal of Proceedings Series No 2 (2017): The 2nd Internasional Seminar on Science and Technology (ISST) 2016
Publisher : Institut Teknologi Sepuluh Nopember

A high solid loading concentration of solid-liquid mixing was investigated to observe the effect of ratio C, Clearance, and T, diameter tank, with C/T 0.33; C/T 0.25 and C/T 0.17 on local volume of hydrodynamic and spatial distribution of polydisperse solid suspension using CFD, Computational Fluid Dynamics. The 45o pitch blade turbine, diameter 0.5T, with down pumping flow simulation was used to remove solid particle from bottom of the tank. The tank is also equipped with four baffle with the size of 0.1T.. A solid-liquid mixing consists of five fractions of glass beads with equal proportion (X1=X2=X3=X4=X5=0.2X) have 40% wt total solid concentration with liquid fraction is aqueous solution of NaCl. The effect of ratio C/T at impeller speed 612 rpm create a flow pattern in the tank different. Effect ratio C / T also indicated the distribution on solid had a good uniformity index when N≥ Njs, just suspended speed. The highest uniformity was obtained on C/T 0.17. it also made difference power consumption on each geometry with C/T 0.17, 0.25, and 0.33 respectively are 251.18, 238.13, and 270.65watt.

Numerical Study of Savonius Wind Turbine with Fluid-Rotor Interactions Zain Lillahulhaq; Vivien Suphandani Djanali
IPTEK Journal of Proceedings Series No 1 (2019): 4th International Seminar on Science and Technology 2018 (ISST 2018)
Publisher : Institut Teknologi Sepuluh Nopember

Previous numerical studies in the Savonius wind turbine mostly used constant angular velocity as input data, where the values were obtained from experiments. This process cannot be used in the design optimization of the turbine, in which the angular velocity of the modified turbine is not known a priority. In numerical simulation, the use of loading system to get constant angular velocity to control the tip speed ratio (TSR), tends to have fluctuating value on output data. Moreover, the values of angular velocity shall be the results from freestream flow and Savonius rotor interaction. This condition can be simulated by using fluid structure interaction (FSI) method. Three dimensional Savonius S wind turbine is simulated using unsteady Reynolds Averaged Navier Stokes (RANS). Inlet velocity and wind turbine inertia are used as input data. The flow is assumed to be incompressible, viscous, and uniform at the inlet. The turbulence model used is the Eddy Viscosity k-ω SST, with y+ < 1. The domain consists of a sliding mesh, which rotates in the overset mesh region. Simulation results Power Coefficient (CP) and angular velocity and compared with experimental result. This study is resulted a standard method for the Savonius wind turbine numerical study

Transisi Pengelolaan Dari Sistem Paratransit Mikrolet Menuju Sistem Transit Bus Feeder Wahju Herijanto; Indrasurya B Mochtar; Achmad Wicaksono
IPTEK Journal of Proceedings Series No 5 (2017): Simposium I Jaringan Perguruan Tinggi untuk Pembangunan Infrastruktur Indonesia (2016)
Publisher : Institut Teknologi Sepuluh Nopember

Sistem paratransit yang diterapkan pada 58 rute mikrolet Surabaya saat ini membebankan resiko finansial pada sopir. Hal ini menyebabkan sopir melakukan praktek pengaturan headway tak beraturan. Sistem transit yang akan diterapkan pada 35 rute angkutan bus feeder masa depan di Surabaya mensyaratkan adanya jadwal yang ditaati sehingga diperlukan pengelolaan yang baik, dimana hal ini memerlukan perubahan sistem pengelolaan. Terdapat beberapa sistem pengelolaan transit yang telah diaplikasikan di berbagai kota dunia. Tujuan studi ini adalah memilih sistem pengelolaan agar tercipta penjadwalan yang ditaati, serta pengelolaan pada masa transisi agar sistem berjalan dan yang dirugikan sesedikit mungkin dengan menggunakan analisis multi kriteria. Hasilnya terpilih sistem pengelolaan sistem transit yang tepat untuk angkutan feeder di Surabaya, serta transisinya dari pengelolaan konvensional saat ini.

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