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JURNAL TEKNOLOGI TECHNOSCIENTIA
Published by Institut Teknologi Nasional Yogyakarta
ISSN : 19798415     EISSN : 27148025     DOI : https://doi.org/10.34151/technoscientia.v8i2.161
Core Subject : Science, Engineering,
Earth & Planetary Sciences Engineering
JURNAL TEKNOLOGI TECHNOSCIENTIA dengan ISSN: 1979-8415 dan E-ISSN: 2714-8025 merupakan jurnal ilmiah yang diterbitkan LPPM Institut Sains & Teknologi AKPRIND Yogyakarta sebagai wahana publikasi karya ilmiah/penelitian di bidang teknologi atau rekayasa meliputi bidang teknik kimia, teknik industri, teknik mesin, teknik elektro, teknik informatika, teknik geologi, dan teknik lingkungan, terbit dua kali setahun pada setiap bulan Februari dan Agustus. Setiap naskah yang dikirim akan dilakukan review secara tertutup. Hasil review naskah meliputi: DITOLAK atau DITERIMA DENGAN PERBAIKAN atau DITERIMA. Setiap naskah yang dinyatakan DIITERIMA dan DITERBITKAN dikenakan biaya proses dan cetak sebesar Rp. 250.000,- (di luar biaya pengiriman) dikirimkan via transfer ke: Bank Mandiri Cabang Yogyakarta No.: 137-00-1255210-1 an.: Prof. Dr. Ir. Sudarsono, M.T.
Arjuna Subject : Energi (semua kategori) - Energi (Lain-Lain)
Articles 534 Documents
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STUDI FASIES DAN LINGKUNGAN PENGENDAPAN BATUAN KARBONAT, FORMASI WONOSARI, PADA SITUS GOA JEPANG, DAERAH PESISIR PARANGTRITIS, DESA SELOHARJO, KECAMATAN PUNDONG, KABUPATEN BANTUL, DAERAH ISTIMEWA YOGYAKARTA Dina Tania
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscientia Vol 10 No 1 Agustus 2017
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34151/technoscientia.v10i1.79

Abstract

This research concerning about Facies and Sediment Environment of Carbonate Rock in Wonosari Formation. Research located at Goa Jepang site, in Parangtritis coastal areas, Seloharjo Village, Pundong Sub District, Gunungkidul District, Yogyakarta Special Region. Geographic position S 7o59’54’’-8o00’14’’ and E 110o19’43”-110o19’58”. Method of research is including rock outcrop profile and petrography thin section for three observer location in Goa 1, Goa 2, and Goa 3, from 18 location of Goa. There are 18 sites of Goa Jepang and it has three facies of stone unit, wackestone, packstone and framestone. Carbonate stone evolution for faciesof wackestone and packstone be in stabilization zone and it is placing Goa Jepang on the back reef-reef flat of depositional environment zone. However, for Goa Jepand 2nd location with framestone facies has different carbonate evolution to the diversification phase to come reef crest-reef front of depositional environment zone.
TATA KELOLA TEKNOLOGI INFORMASI MENGGUNAKAN FRAME WORK COBIT 4-1 DENGAN MODEL MATURITY LEVEL PERUSAHAAN TELEKOMUNIKASI Adityawan Chandra
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscientia Vol 10 No 1 Agustus 2017
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34151/technoscientia.v10i1.80

Abstract

Information technology significantly affects and determines the management of the company. A framework is needed to ensure that information technology enables companies to maximize profits, Information technology risk management and information technology resources are used efficiently. Evaluation of information technology is needed to better ensure the achievement of business goals. PT. Telkom Witel Yogyakarta a company engaged in the field of telecommunications has been using information technology to support the smooth operation of the company. Assessment of maturity level using COBIT 4-1 framework on information technology governance Telkom Witel Yogyakarta needs to be evaluated, so recommendations for improvement and improvement of information technology governance can be delivered. Research with survey method using questionnaire based on COBIT framework 4.1. Questionnaire of six answer choices from 25 respondents for Deliver and Support (DS) domain and four domains Monitor and Evaluate (ME). SPSS 16 for Windows software is used to process maturity level data. 12 domains are below the expected value: DS.1 (0.79), DS. 4 (0.76), DS.6 (0.19), DS.7 (0.83), DS.9 (0.80), DS.10 (0.13), DS.11 (0.59), DS. 13 (1.11), ME.1 (0.09), ME.2 (0.09), ME.3 (0.76) and ME.4 (1.17). Five domains that have values above expected maturity values: DS.2: 3.00, DS.3: 3.96, DS.5: 3.50, DS.8: 3.96 and DS.12: 3.05. Maturity level of information technology governance in Witel Yogyakarta DS domain and ME domain of 10 information systems with average maturity: 3.17 (defined process). The expected maturity value varies for each domian with a range between the 3.00 level and the 4.00 level. The highest maturity value of the DS domain is DS.3 and DS.8 value: 3.98, the lowest value DS.6: value 2.81. The highest maturity value of the ME domain is ME.3 with a value of 3.24, the lowest value of ME.4 with a value of 2.83.
PERANCANGAN SISTEM PENGAMBILAN KARTU UJIAN ONLINE MENGGUNAKAN FRAMEWORK CODEIGNITER Said -; Emy Setyaningsih; Harmastuti -
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscientia Vol 10 No 1 Agustus 2017
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34151/technoscientia.v10i1.81

Abstract

Taking the test card is part of the academic system Institut Science & Technology AKPRIND Yogyakarta and is an activity that is always done when the student before the exam. Examination card retrieval system that runs for this still use conventional system. This method is still less effective because students have to queue for a long time and also have to come to the campus directly. The proposed system research aims to facilitate students in the process of taking exam cards. System that will be developed web-based (web based), so that this system can be accessed online using both computer and smartphone devices. Research on the online card retrieval system was developed using Codeigniter (CI), one of the framework used to build a website. The development of web-based applications, CI framework has a very fast performance, easy configuration and complete documentation. This research uses waterfall diagram as research method and MySQL as database processing. Testing system conducted in this study by using black box testing method and testing the questionnaire. Black box testing aims to obtain a set of input conditions that will fully implement all the functional requirements of a program. This test concluded that the built application system can function as expected. While testing the questionnaire is done to know user acceptance or user satisfaction to the quality of the system developed. The results of the questionnaire test showed 80.24% of 82 respondents stated strongly agree that with the Online Card Exam Taking System Using Framework Codeigniter can help and provide convenience for students in the process of taking the test card.
SISTEM PENTANAHAN SWITCHYARD DENGAN KISI-KISI (GRID) PADA GARDU INDUK 150 KV BANTUL Slamet Hani
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscientia Vol 10 No 1 Agustus 2017
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34151/technoscientia.v10i1.82

Abstract

The substation has a great possibility of experiencing a hazard caused by the disturbance of lightning and overcurrent so that the current disturbance flows to the ground as a result of the insulation of equipment that is not functioning properly. One of the security systems on the substation is grounding. The grounding system is a delivery system that connects the system, equipment and installation bodies with the earth / ground so as to secure the human from electric shock, and secure the installation components from the dangers of abnormal voltage / currents. Therefore, research is conducted with respect to the grid earthing system on the Switchfield Substation (GI) switchyard. The research applies some data retrieval methods, namely: Literature study method, covering the studying literature related to earth system in switchyard area of ​​150 kV Bantul, and litrature related to earth type resistance calculation, soil type resistance, type of system earth, and type of electrode used. Based on the result of the analysis of the value of ground grid of Substation in Bantul is 0,527 Ohm. Or the difference in value of 0.043 Ohm or 7.54% smaller than the measurement value of 0.57 Ohm. Touch tension value of 207.5 Volts for people weighing 70kg, and 153.3V for weight 50Kg. with the actual maximum touch voltage value of 261.53 Volts. The step voltage value of 288.7 Volts for people weighing 70kg, and 213.3V for weight 50Kg. with an actual maximum step voltage value of 857.4 Volts.
POTRET PEMANFAATAN ARCHITECTURE ENTERPRISE PERGURUAN TINGGI DI INDONESIA Lathifah -; R. Teduh Dirgahayu; Handson Prihantoro
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscientia Vol 10 No 1 Agustus 2017
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34151/technoscientia.v10i1.83

Abstract

Architecture enterprise in the current have an important role and Very broad one of them is in the colleges. Colleges consider the importance of Architecture enterprise for align information technology with business processes in academic information systems. The use of architecture enterprise is needed to be used as guidelines and reference a model that can be used a long period of time consistent with the needs and can be used optimally. Research take a portrait the use of architecture enterprise from three colleges is X University, Y University, and Y University. The data taken from interviews and surveys are processed into instruments. Instrument making still refers to previous research which resulted in 20 instruments, so that making it easier to measure four business architecture enterprise processes using TOGAF. Validation results using the process of explanatory statistics and speakers, so that the portrait utilization of architecture enterprise in college has an average of 2.60. Portrait utilization of architecture enterprise can be formulated into 3 research object that is application of architecture enterprise, influence of architecture enterprise, and business process of architecture enterprise which is documented to 3 universities, it can be concluded that enterprise architecture is almost always used for academic information system can be integrated well. But the academic information system that runs not all centralized into one, so that the documentation process isn’t well managed and when the University having trouble there aren't guidelines that can be used as a reference when doing every action. Academic information system made currently is still used in the short period because the existing applications and infrastructure only in accordance with the needs.
PERBANDINGAN METODE SPEKTROFOTOMETRI UV-VIS DAN IODIMETRI DALAM PENENTUAN ASAM ASKORBAT SEBAGAI BAHAN AJAR KIMIA ANALITIK MAHASISWA JURUSAN TEKNOLOGI PERTANIAN BERBASIS OPEN-ENDED EXPERIMENT DAN PROBLEM SOLVING Dodi Iskandar
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscientia Vol 10 No 1 Agustus 2017
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34151/technoscientia.v10i1.84

Abstract

This study aims to know the difference through statistical analysis from two methods in determining content of ascorbic acid in tablet (brand CIPI). This experiment is done in twenty repetition. Each of two methods did twelve times. The mass of tablet CIPI is 2,0 gram. Shapiro-Wilk Normality Test shows that the value of spectrophotometry uv-vis is 0.9714 and the value of eudiometry is 0.08261. Both of them is bigger than 0,05. Based on statistical analysis, the both of methods have normal distribution. Then, Paired T-Test is applied. The result shows that hypothesis (Ho) is accepted. This means that two method have no real difference.
PENGARUH DISKONTINUITAS MASSA BATUAN VOLKANIK TERHADAP STABILITAS LERENG DI DAERAH JELAPAN DAN SEKITARNYA, KECAMATAN PUNDONG, KABUPATEN BANTUL, DAERAH ISTIMEWA YOGYAKARTA Arie Noor Rakhman; Nur Widi Astanto Agus Triheriyadi
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscientia Vol 10 No 1 Agustus 2017
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34151/technoscientia.v10i1.85

Abstract

This research is intended to know the effect of discontinuity on the mass of volcanic rock for rock slope stability. The study sites are located at Jelapan area and its surrounding, Pundong District, Bantul Regency, Special Region of Yogyakarta. With stability assessments of rock slopes, it can be used to identify potential disasters of rock mass movement, direction of movement and recommendations for disaster risk minimization. Analysis of the continuity on the mass of volcanic rock using rock mass classification of rock mass rating system (RMR) (Bieniawski, 1989). The data used are physical properties, index properties, mechanical properties, orientation of joint position and rock slope. The synthesis of data is done mainly on morphological data, stratigraphy, geological structure to know the control of geological condition on the stability of volcanic rock slope in research area. Based on the calculation of the rock mass classification of RMR, the cliff at 7°59’20,88” LS 110°19’19,09” BT is 28 which is considered poor. The RMR value is controlled by intensive joints that dominate with joint spacing less than 60 mm; the condition of the surface of the joint field is smooth and continuous, estrangement joint 1 - 5 mm, slightly weathered with a value RQD 43.37%. Rock mass that collapses and landslides are lava and andesite breccia. The rock fall occurs following the slope of the planar plane of the platy joint structure and the rock contact N170°E/32°. It is interpreted by the initial stress control with high anisotropic stress at the edge of the slope.
MODEL PENGUKURAN KESIAPAN IMPLEMENTASI ARSITEKTUR ENTERPRISE BERBASIS CRITICAL SUCCESS FACTOR Adam Sekti Aji; Teduh Dirgahayu; Hanson Prihantoro Putro
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscientia Vol 10 No 1 Agustus 2017
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34151/technoscientia.v10i1.86

Abstract

This paper discusses about Enterprise Architecture (EA) implementation readiness measurement model. The definition of EA is a framework or blueprint that used by organization to achieve business objectives by identifying key strategies of business, information, applications, and technology and its impact on business functions. Measuring the readiness of EA implementation on an institution is useful to reduce potential losses due to EA implementation failures. By identifying the factors supporting the successful implementation of EA, an EA implementation readiness measurement model can be formulated and can be used as a reference to know the readiness of an institution in the implementation of EA.
PENGARUH MORFOLOGI DAN SIFAT MATERIAL TERHADAP KESTABILAN LERENG DI KECAMATAN KALIBAWANG, KULON PROGO Supandi -; Shilvyanora AR; Isjudarto Ag
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscientia Vol 10 No 1 Agustus 2017
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34151/technoscientia.v10i1.87

Abstract

Mass movement is one of hazard in Indonesia that have significant impact in Indonesia. This hazard caused by Indonesia represent have wet tropik, so that chemical weathering intensive and formed thick soil. Its improve the happening of crisis to this hazard, because material strength will decrease. District of Kalibawang, Kulon Progo morphologicaly have a lot precipitous slope and mount intensive weathering. This condition constituing study concerning slope stability. Method which used in this analysis is slice method with approach of calculation of made moderate Bishop. This method weared many in analysis stability of slope because besides modestly, this method enough is accurate. Than analysis slope stability of some obtained chosen slope have value between 3.378 (stable) until 1.052 is ( labile / critical)
TRAINER PEMBANGKIT LISTRIK TENAGA SURYA Subandi -
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscientia Vol 10 No 1 Agustus 2017
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34151/technoscientia.v10i1.88

Abstract

Energy consumption in Indonesia has increased, specifically in the industrial and the household sector. Based on EDSM’s 2013 report, industrial sector is the largest of energy consumption 33%, the household sector 27% and the transport sector 27%. While the commercial sector for raw materials 10%. Supporting the development of renewable energy, specifically for solar energy conversion into electricity, it takes a learning tool as an observation of this energy use. For the society, to escalate practical knowledge of solar cells and panels trainer is required to test and experiment as a medium of learning in the academic theoretically to explore the potential of renewable energy. With observations and tests performed on the Solar Electricity Trainer as a medium of learning, capable to improve knowledge in theoretically and experimentally. Based on pretest with the participants called praktikan, with an increase of 47.9%. The result of solar cell test show that accuracy percentage average is 98.37% and the efficiency of the solar charger control reaches 84% ​​for charging the battery by solar cell module.

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