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bernadeta subandini astuti
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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 17 Documents
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Search results for , issue "Technoscientia Vol 10 No 1 Agustus 2017" : 17 Documents clear
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.
SISTEM TELEMETRI TINGKAT KONSENTRASI GAS CO2 SEBAGAI PENANGANAN DAMPAK GLOBAL WARMING BERBASIS MIKROKONROLER DENGAN INFORMASI SMS GATEWAY Hadi Prasetyo Suseno; Muhammad Andang Novianta; Catur Iswahyudi
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.v10i1.89

Abstract

The average temperature of global warming on the earth's surface today has increased by 0.74 ± 0:18°C, the increase was due to the increase in the average temperature of the atmosphere, ocean and land earth. Emissions of the most influential on the quality of the air is carbon emissions, especially carbon dioxide (CO2). The CO2 contributes to global warming is 50%. The CO2 gases absorb and reflect radiation emitted waves of the earth, so that the heat will be stored on the surface of the earth. This study aimed to design a data logger system monitoring the level of concentration of CO2 using the oxygen sensor (OOM202), carbon dioxide sensor (MG81), as well as temperature and humidity sensors (DHT22) with microcontroller-based SMS gateway information. The study tested are simulated in the laboratory with electronic testing and testing communication systems. The test results showed good performance with the prototype, the results of monitoring CO2 emissions seen huge levels of carbon dioxide (ppm) is proportional to the output voltage (Vout) is generated. The greater the concentration levels of gas detected by the sensor, the output voltage generated will be greater, than that difference or distinction ADC output between the measured and calculated because of several errors, such as error output ADC ± 2 bits, error rounding conversion of ADC to volt. The measurement results are different, in the closed and open area refers to the measurement parameters are displayed on an alphanumeric display. Measuring system can transmit data via SMS information system with an average response time of less than 1 minute, it depends on the quality of the signal and traffic data from a provider by the user.
ENKRIPSI CITRA DIGITAL MENGGUNAKAN KOMBINASI ALGORITME HILL CIPHER DAN CHAOS MAP DENGAN PENERAPAN TEKNIK SELEKTIF PADA BIT MSB Devi Ratnasari; Hajar Puji Sejati
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.v10i1.90

Abstract

This paper represents a digital image encryption algorithm using a combination of hill cipher and chaos map algorithms. The hill cipher algorithm is one of the coding techniques by applying a square matrix as an encryption key. In this paper, the key matrix used is a 3x3 invertible matrix. While chaos map technique chosen is Logistic Map technique as a random number generator that will be used as keystream. Application of selective encryption techniques to MSB bits (Most Significant Bit) is also used to reduce computing by only performing operations on four major bits of each RGB pixel (Red, Green and Blue). To encrypt, an image is first mapped based on RGB color components (Red, Green and Blue) and then encrypted using a hill cipher key matrix. The encryption result on each RGB channel is then selected four bits MSB from each pixel and then XOR with keystream as a result from Logistic Map. Experimental results performed on multiple color images show that the image can be succesfully encrypted. It can be seen from the resulting histogram is flat on each RGB channel of the encrypted image, the average value of entropy is 7.99 and the correlation value is close to 0.
Jurnal Technoscientia vol 10 no 1 Agustus 2017-Cover-Redaksi-Daftar Isi Jurnal Teknologi Technoscientia
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.v10i1.97

Abstract

Jurnal Technoscientia vol 10 no 1 Agustus 2017-Cover-Redaksi-Daftar Isi
Jurnal Technoscientia vol 10 no 1 Agustus 2017-Full Paper Jurnal Teknologi Technoscientia
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.v10i1.99

Abstract

Jurnal Technoscientia vol 10 no 1 Agustus 2017-Full Paper

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