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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.

Arjuna Subject : -

Articles 105 Documents

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Search results for , issue "No 1 (2015): 1st International Seminar on Science and Technology (ISST) 2015" : 105 Documents clear

The Design of E-Learning (share.its.ac.id) Course “Sistem Pengendalian Otomatis” to Support Effective Learning Outcomes Syamsul Arifin; Aulia Siti Aisjah; Nurlita Gamayanti; Tutug Dhanardono; Yaumar Yaumar; Yusuf Bilfaqih
IPTEK Journal of Proceedings Series No 1 (2015): 1st International Seminar on Science and Technology (ISST) 2015
Publisher : Institut Teknologi Sepuluh Nopember

Open and integrated online learning is learning that promotes the use of learning content from colleges that have more resources for other universities in Indonesia. Subjects – “Sistem Pengendalian Otomatis” (SPO) 4 credits, one of subject in Engineering Physics Department, has been tested for blended learning with partner universities, between ITS with ITN Malang, ITT Bandung. Currently e-learning use by Sriwijaya University, UNSRAT-Menado and MUSAMUS-Merauke. Learning object designed in 8 Sub Achievement Learning - SCP, in cognitive, psychomotor and affective, in the activities: independent study, groups study in guided by lecturer, synchronous and asynchronous learning. Affective abilities measured by activity chats, forums, management capabilities to upload time of task, and the ability of communicate in writing. Psychomotor ability is measured by skill in the design of control in the mini plant or object and skill in programming. The skill have recorded by video camera and uploaded in the share.its.ac.id. Student followers of SPO course showed cognitive abilities, and 92% of them have met the achievement standards that have been set.

Effect of Calcium Carbonate as Filler at the Chitosan/Calcium Carbonate Composite Membrane Retno Rahayu Dinararum; Dian Permana; Lukman Atmaja
IPTEK Journal of Proceedings Series No 1 (2015): 1st International Seminar on Science and Technology (ISST) 2015
Publisher : Institut Teknologi Sepuluh Nopember

Chitosan; calcium carbonate; DMFC; thermal stability Membrane is the most important part of Direct Methanol Fuel Cell (DMFC) because of its function as a proton transfer. The purpose of this research was studying the effect of calcium carbonate filler to the performance of chitosan (CS)/Calcium Carbonate (CC) composite membrane using 0.02; 0.04; 0.06; 0.08; and 0.10 g of CC. In this study, CS/CC membranes showed high performance for DMFC application. The best concentration of CS/CC was obtained with 0.06 g of CC based on proton conductivity, methanol permeability, and TGA measurements.

Simulation Bursting Effects To The Performance Vertical Axiz River Turbine Using Computational Fluid Dynamics Aank Suseno; Ridho Hantoro; Gunawan Nugroho
IPTEK Journal of Proceedings Series No 1 (2015): 1st International Seminar on Science and Technology (ISST) 2015
Publisher : Institut Teknologi Sepuluh Nopember

Turbulent flow in the open channel, often exhibit a phenomenon bursting in expansion or inhibition case. This phenomenon disturbing to the flow at the turbine area. In this study, Research to analyze the occurrence of interference bursting in the river turbine area, done by simulating the river flow with a variety of depths ratio y/L, using vertical turbine NACA 0018 in a trapezoidal channel, with k-ԑ turbulence models in CFD. From the simulation results the smaller ratio of the depth y/L, the force of turbulence flow (bursting flow) at the turbine increases.

Performance Improvement of Business Process Similarity Calculation using Word Sense Disambiguation Endang Wahyu Pamungkas; Riyanarto Sarno; Abdul Munif
IPTEK Journal of Proceedings Series No 1 (2015): 1st International Seminar on Science and Technology (ISST) 2015
Publisher : Institut Teknologi Sepuluh Nopember

Similarity calculation between Business Process Models (BPM) has an important role in the process of managing BPM repository. One of its uses is to facilitate the searching process of a model in the repository. Similarity calculation between business processes is closely related with semantic string similarity. Semantic string similarity is usually performed by utilizing a lexical database, such as WordNet, to find the semantic meaning of words. The problem in WordNet is that this lexical database contains terms wich have more than one meaning or polysemous. Selecting the wrong meaning will decrease the accuracy of similarity calculation process. In this study, we will try to improve the accuracy of similarity calculation of business processes using Word Sense Disambiguation (WSD). The main purpose is to eliminate the ambiguity of polysemous words before calculating the similarity value. WSD is performed by unsupervised methods based on the value of graph connectivity. Then, we used a lexical database that is focused in the business and industry field. The results from this study is able to achieve higher accuracy of the sense selection process for terms especially terms that are related to business and industrial domains. It will also increase the accuracy of similarity value calculation between the business process models.

Photochemistry in CuInS2 Quantum Dots/Polyoxometalate System Azzah Dyah Pramata; Tetsuya Kida
IPTEK Journal of Proceedings Series No 1 (2015): 1st International Seminar on Science and Technology (ISST) 2015
Publisher : Institut Teknologi Sepuluh Nopember

Energy transfer involving semiconductor quantum dots (QDs) has received increased attention in recent years because of high photostability and size-tunable optical properties. Here, we study photochemistry in quantum dot/polyoxometalate (POMs) systems and utilize quantum dots as light antenna that captures visible light to sensitize wide band gap POMs. We also demonstrate the photoenergy storage properties of CuInS2 QD/POM systems. The PL quenching and the decrease in PL lifetime are clear indication that the excited electron of CuInS2 was deactivated by electron transfer to POM such as PMo12O40, W10O32 and SiW10O36 that were hybridized with a cationic surfactant and dispersed together in an organic solvent. The quantum yields of CuInS2 QDs were 2.32% with 3.9 nm in particle size. Irradiating QD/POM systems with visible light generates a one-electron reduced form of POMs, suggesting the reduction of POMs. Photoenergy can be stored as reduced POM under deaerated conditions by visible light. Stored electron in POM can be discharged afterwards via reductive reactions such as oxygen under the dark.

Sponsor ISST 2015
IPTEK Journal of Proceedings Series No 1 (2015): 1st International Seminar on Science and Technology (ISST) 2015
Publisher : Institut Teknologi Sepuluh Nopember

Sponsor

The Effect of Green Building Application to Property Value Fitri Rahmawati; Purwanita Setijanti; Christiono Utomo
IPTEK Journal of Proceedings Series No 1 (2015): 1st International Seminar on Science and Technology (ISST) 2015
Publisher : Institut Teknologi Sepuluh Nopember

The green building concept is one of the solution for the next sustainable development. One of the biggest barriers is the feasibility of financial return. This research is conducted to determine the influence of the green building aspects application towards the property value of high rise building that seen from the design and material aspects in Surabaya. This study, conducted by a survey research using questionnaires for data collection, and regression analysis. There are ten aspects that its use may increase the property value, wich are the horizontal massing design, secondary skin, smart lighting systems, grey-water systems, green roof, lightweight concrete, photovoltaic systems, smart lighting systems, air conditioner with VRV systems, gray-water systems, Low-E glazing, low VOC paint wall, and green roof.

Method for Assessing Implementation of Design Build Project Delivery System in Indonesian Road Infrastructure Projects (Cases Study : Balai Besar Pelaksanaan Jalan Nasional V) Ashri Maharani; Hitapriya Suprayitno; Herry Budianto
IPTEK Journal of Proceedings Series No 1 (2015): 1st International Seminar on Science and Technology (ISST) 2015
Publisher : Institut Teknologi Sepuluh Nopember

Public infrastructure, particularly road infrastructure, has a strong linkage with the economic growth of a nation. Management of road infrastructure by the DG of Highways-Ministry for PW is currently implemented by using traditional methods of DBB contract system. Although DBB approach is considered more fair for the contractor, it may not be able to create more value for the Government. Long periods of procurement, often result in undesirable outcomes such as excessive cost, unsatisfactory quality and delays in implementation time. The DB project delivery system is expected to answer the above problem and therefore, there is a need to examine how to assess the feasibility of DB Contract implementation for road infrastructure projects under the authority of BBPJN V. This paper present the method assessment development

Fault Diagnosis of Rotating Machinery based on Acoustic Emission using PARAFAC-Source Separation Anindita Adikaputri Vinaya; Dhany Arifianto
IPTEK Journal of Proceedings Series No 1 (2015): 1st International Seminar on Science and Technology (ISST) 2015
Publisher : Institut Teknologi Sepuluh Nopember

A common technique of vibration spectrum analysis is used for fault diagnosis of rotating machine in industry. The technique, however, requires a significant man power and has the risk of the direct measurement of vibration signal. This paper presents a remote maintenance technique based on acoustic emission of rotating machinery. The mixing matrix and the source signals are estimated using PARAFAC source separation by performing PARAFAC decomposition algorithm, permutation, and capon beamforming. This proposed technique prove the suitability and effectiveness of acoustic emission technique to diagnose Ball Pass Frequency of The Outer Race (BPFO) defect and misalignment coupling motor to pump.

The Partnership Benefits in Low-cost Apartment Implementation Program in Surabaya Metropolitan Area M. Muntoha; Ria A.A. Soemitro; Farida Rachmawati
IPTEK Journal of Proceedings Series No 1 (2015): 1st International Seminar on Science and Technology (ISST) 2015
Publisher : Institut Teknologi Sepuluh Nopember

The low-cost apartment implementation program is one of the reliable solutions to reduce housing needs in East Java Province. Eventhough there were many problems facing the low cost apartmen program implementation, private sector is still highly expected to contribute in this program. The objective of this research is to identify public private partnership benefits from stakeholder perception. The benefit variables to better understand the low-cost apartment implementation which obtained from literature review studies were then validated by 32 purposive sampling respondents from both government and private sectors. These variables were then identified and analyzed using statistical analysis. The results show that the benefit factors from both government and private sector perception are better risk allocation and accelarate infrastructure development

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