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All Journal Buletin Udayana Mengabdi Jurnal SPEKTRUM Jurnal Jurusan Pendidikan Teknik Elektro Journal of Electrical, Electronics and Informatics International Journal of Engineering and Emerging Technology Innovative: Journal Of Social Science Research Jurnal SPEKTRUM

l Gusti Ngurah Janardana

Electrical Engineering Department, Faculty Of Engineering, Udayana University, Bukit Jimbaran, Indonesia

Author-ID : 2932654

Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mechanical Engineering Public Health Other

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Analysis and Design Data Warehouse For E-Travel Business Optimization I Nyoman Angga Prabawa; Dewa Agung Krishna Arimbawa P; I Gusti Ngurah Janardana
International Journal of Engineering and Emerging Technology Vol 4 No 1 (2019): January - June
Publisher : Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University

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Tourism, accommodation, and transportation service industries are business with high prospects, especially in Bali. Development of digital technology into the e-travel industry has business processes that can be optimized through a data warehouse with a variety of data as the initial start of analyst business data. A problem reality is less and almost no travel company has developed a data warehouse to support business needs. Building a data warehouse is a technology to increase business value through data analysis on a variety of stored data. Using the fourth steps dimensional modeling methodology, the data warehouse is expected to be in accordance with the company's analysis to increase business needs. The design results consist of determining business processes, grain declaration on dimensions, identifying dimensions, and determining facts. The design results using snowflake scheme and become a solution for companies to predict business trends, maintain quality, improve competitiveness, and exist in the long run

Implementation of Data Mining To Predict Period of Students Study Using Naive Bayes Algorithm Ida Bagus Adisimakrisna Peling; I Nyoman Arnawan; I Putu Arich Arthawan; I Gusti Ngurah Janardana
International Journal of Engineering and Emerging Technology Vol 2 No 1 (2017): January - June
Publisher : Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University

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The quality of universities, especially study programs in Indonesia is measured based on accreditation conducted by BAN PT. According to BAN PT the quality is measured based on 7 main standards, one of them is Student and Graduate. One of the problems that still be the subject of discussion related to student failure is about the students who graduated not on time. Students graduating not on time are students who can not complete their studies in accordance with the provisions of time given. The existence of a graduate student is not timely of course cause problems and potentially drop out that affect the quality of education and accreditation. A system that predicts students' graduation is required by evaluating their learning outcomes. The timeliness of graduating students can be done with data mining techniques to find graduation patterns of students who have graduated which then used as a basis to predict students' graduation in the next year. This study showed that Naïve Bayes was able to classify the correct data testing on average by 86.16% and 13.84% error. In addition, other information obtained from the data testing used that the students who entered from the PMDK Pass graduated on time as much as 40%, other paths graduated on time by 26.7%, and pass filter exam on time 13.3%.

Classification Study Period Department of Information Systems at STMIK Bandung Bali using Support Vector Machine (SVM) Method Zulfachmi Zulfachmi; Aggry Saputra; I Gusti Ngurah Janardana
International Journal of Engineering and Emerging Technology Vol 3 No 1 (2018): January - June
Publisher : Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University

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Graduation is the final stage of learning processactivities in universities. The undergraduate study period underSTMIK Bandung Bali regulation is scheduled in 8 semesters (4years) or less and a maximum of 14 semesters (7 years).Information Systems is one of the majors in STMIK Bandung Bali.The study period of this department can be influenced by manyfactors. These factors are the Kumulatid Credit Index (IPK),gender, scholarship, part-time work, Student Activity Unit (UKM).Purpose of this study was to determine the classification ofaccuracy factors. In this study using SVM (Support VectorMachine) method with accuracy of 99.07%.

The Audit of Governance Information Technology Services Using ITIL v3 Focuses on Service Operation Domain in Institution X Putu Sri Merta Suryani; dwi ardiada; I Gusti Ngurah Janardana
International Journal of Engineering and Emerging Technology Vol 2 No 2 (2017): July - December
Publisher : Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University

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Abstract-Information technology is currently growing very rapidly. Almost all agencies take advantage of the role of information technology. In the X agencies engaged in the social field of information technology as a goal that must be achieved. In order to create good government, an agency must be supported by good IT governance in order that information technology and business objectives are aligned and have added value for the agency. This study aims to measure the governance of IT services. This research is done because the agency X is now using IT services. The existence of good policies and procedures on the insight X can create a good service as well. This study uses the ITIL v3 framework that focuses on Service Operation domain. The ITIL framework is an IT services management guide. Measurement of maturity level using COBIT. The level of maturity in this governance audit is at level 3. Recommendations are given to achieve the expected targets within the ITIL framework. Keyword- Audit, ITIL V3, COBIT, IT Services

Design Model of Subak Smart Irrigation Ananta Wijaya; Adisimakrisna Peling; I Gusti Ngurah Janardana
International Journal of Engineering and Emerging Technology Vol 1 No 1 (2016): July - December
Publisher : Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University

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Water has many benefits for human life. One of the benefits lies on the agricultural sector. However, as the water source is decreasing, the needs of water for agricultural sector is increasing. Subak is therefore one of the solutions in agricultural field. Meanwhile, the existence of subak also rises some problems. In terms of water source management, subak can be very effective. Unfortunately, subak is not that efficient in the water use. Smart irrigation with fuzzy logic used becomes a solution which has been offered to manage the water use based on the needs the paddy. This system uses solar panel and battery. In addition, it is completed by the weather censor and humidity. This system works during rice planting period. The findings show that the water irrigation on subak rice field becomes more effective, efficient and optimizing the harvest.

System Decision of Natural Disaster Logistics (Case Study of Mount Agung Eruption) I Made Dhanan Pradipta; Made Dinda Pradnya Pramita; I Gusti Ngurah Janardana
International Journal of Engineering and Emerging Technology Vol 2 No 2 (2017): July - December
Publisher : Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University

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Gunung Agung is one of the most potent eruption volcanoes in Indonesia. Reflecting back to 1963 when Mount Agung erupted, the impact was so devastating. Even the impact for months. The lack of food supplies is becoming a central job for the government. The distribution of logistics plays an important role in this regard whether it is food, clothing or other necessities, but the current logistics distribution system is still manual so it is not very efficient and very likely there is a misstatement. The impact of difficulties in managing logistical assistance can be seen, eg uneven distribution of relief goods in terms of number of inter-regions (posts), types of relief items sent are not in accordance with the type desired by individual posts, and especially for fast food, then damaged and outdated because it was sent to the post at the wrong time and improper handling. Needed a solution to minimize the problems that arise in the process of disbursing logistics disaster management is by using the Logistics Management Information System. In this research, the method used using two methods, namely waterfall method for system development, and for decision support system using Topsis method Expected to be able to manage logistical support in a timely, timely, and precise location

PENGARUH BESARAN HAMBATAN PEMBUMIAN TITIK NETRAL TERHADAP THD DI GEDUNG KAMPUS W G Yoga Ananta Wijaya; I G N Janardana; I B Gede Manuaba
Jurnal SPEKTRUM Vol 9 No 1 (2022): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

The quality of electric power is influenced by harmonic factors that occur due to animbalance in the load on the power system. This load imbalance results in a current at theneutral point. This amount of current can cause equipment damage and loss of electrical power.Therefore, an earthing system is needed to parse the current flowing at the neutral point and asa safety for the electric power system in a building. The objective of this research was to specifythe impact of the grounding resistance value of the neutral point on the current THD on theMDP installed during peak load conditions at the Electrical Engineering Campus of UdayanaUniversity in Jimbaran. This research method uses simulation with Simulink Matlab software todetermine the effect of neutral point grounding resistance on current THD in areas withcalcareous soils. The simulation outputs indicate that the value of the earth resistance affectsthe THDi value in the electrical system. The simulation outcomes represent that when the earthresistance value is 5 , the THD of the R, S, and T phase currents is feasible at 17.55%, 19.42%, and 8.86%. Then when the resistance value is lowered by 0.5, the THD of the R, S, T phasecurrents is feasible 17.20%, 17.35%, and 8.79%. This shows that more slight the earthresistance number, the smaller the current THD value.

RANCANG BANGUN PROTOTYPE PLTMH DENGAN TURBIN TURGO I Gede Putu Aditya Kresna Artha K; I Wayan Arta Wijaya; I Gusti Ngurah Janardana
Jurnal SPEKTRUM Vol 9 No 2 (2022): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Learning about using water resources as a MHP is need to implemented for Electrical Engineering students at Udayana University. Currently at the Energy Conversion Laboratory the Electrical Engineering Study Program Faculty of Engineering Udayana University cannot yet to carry out practicum on MHP due to the unavailability of devices and equipment. Therefor it needs to analyze the design of this MHP prototype. Turgo turbine is a classification of impulse turbine that require water pressure as a source to rotate the turbine. In this research a prototype of MHP with a turgo turbine has been formed which has a total of 18 blades with blade length 6,8 cm, blade width 4,68 cm, and blade depth 1,17 cm. This prototype has 1 nozzle with a diameter 2 cm that has beam angle of 70° which emits water with a pressure of 21 psi. This prototype is capable of producing power 7,268 Watt and torque 0,1228 Nm so that this prototype efficiency is 1,099%.

STUDI POTENSI PEMBANGKIT LISTRIK TENAGA PIKO HIDRO DI ALIRAN SUNGAI IRIGASI SUBAK WERDI PUTRA SEDANA KABUPATEN BADUNG Ida Bagus Gede Wira Negara; I Gusti Ngurah Janardana; I Wayan Arta Wijaya
Jurnal SPEKTRUM Vol 9 No 2 (2022): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

In addition to solar and wind energy, the hydrological cycle can be used for energysources by utilizing waves or currents or water potential e nergy due to differences in water level.This water energy is energy that has not been utilized optimally. In general, the utilization of thisenergy source is carried out on a large scale and requires very large costs. According toobservations, the Dukuh Moncos Traditional Village has the potential for generating electricitybecause the river flows are quite stable and sustainable. In this study, a study was conductedon the potential of the Werdi Putra Sedana irrigation river flow around the Kelaci Templ e, DukuhMoncos Traditional Village, Sobangan Village, Mengwi District, Badung Regency to be utilizedas a pico hydro power plant with quantitative and descriptive methods. This study was carriedout by measuring the water flow rate then measuring the head or height difference then continuously measuring the hydraulic potential, from the measurement stage and obtaining theresults then calculating the potential power generated by the irrigation river so that the powergenerated was obtained. The flow of the Werdi Putra Sedana subak river in Banjar HamletMoncos, Sobangan Village, Mengwi District, Badung Regency has the potential to be used asan alternative energy source, namely a pico hydro power plant (PLTPH) with an average powerof 3.86 kW.

PENGARUH VARIASI SUDUT NOZZLE TERHADAP KECEPATAN PUTAR TURBIN DAN DAYA OUTPUT PADA PROTOTYPE PLTMH MENGGUNAKAN TURBIN TURGO I Putu Bayu Suka Yasa; I Wayan Arta Wijaya; I Gusti Ngurah Janardana
Jurnal SPEKTRUM Vol 9 No 2 (2022): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Turgo turbine is an impulse turbine that uses a water drop height (head), the ability of the runner rotational speed of a turgo turbine is influenced by the following variables the height of the water drop (head), nozzle angle, number of nozzles, and nozzle spray distance, but there are several problems that exist in the turgo turbine, one of wich is at the nozzle there is no equation that determine the nozzle angle to produces maximum output on the turgo turbine so it is need to test the nozzle angle on the turgo turbine, therefore this reasearch was conducted with the aim of knowing the effect of variations in the nozzle angle by using a turgo turbine to produce maximum rotation of the turbine and the highest efficiency at MHP. The quantitative experimental method is carried out by calculating the primary data obtained. Testing the prototype in this study used a nozzle angle variation 65°, 70°, 75° with preassure 21 psi using 18 blades. Based on the research, the best nozzle angle is 70° wich produces 782,8 rpm turbin rotation before coupling and 565,4 rpm after coupling. The generator rotation is 1062,4 before load coupled and 850,2 after load coupled 260 Watts. The voltage without load is 36,126 Volts and 8,296 Volts with a lamp load of 260 Watts. Torque is 0,123 Nm and Efficiency is 1,099% the low the low efficiency value because using a comparison between hydraulic power and the output power of the generator.

Co-Authors A A G M Pemayun A I Weking A. I. Weking A.A Ngurah Amrita AA. M Pemayun Achmad Noerkhaerin Putra Aggry Saputra Anandita Praja Dwitama Ananta Wijaya Ariany Frederika Biantoro, Kharis C G I Partha C G I Partha Dewa Agung Krishna Arimbawa P dwi ardiada Fachri Zamzami Ferry Ardiansyah Fransiskus Xaverius Saav Agus I B Gede Manuaba I G. P. A. Wartama I G.B. Satcitananda P I G.N Nanda Ramdipa Amerta I Gede Agus Handi Saputra I Gede Dyana Arjana I Gede Feryanda Fransiska I Gede Putu Aditya Kresna Artha K I Gst Agung Putu Raka Agung I Gusti Putu Andhita Mahayana I Kadek Agus Wahyu Raharja I Kadek Dwi Artika Putra I Komang Suarjana I M Dwijaksana I M Suartika I Made Darmayusa I Made Dhanan Pradipta I Made Mudiarta I Made Suartika I Made Surya Ganesputra I Made Suwartama Wijaya I Nyoman Angga Prabawa I Nyoman Apriana Arta Putra I Nyoman Arnawan I Nyoman Budiastra I Nyoman Budiastra I Nyoman Julyantara I Nyoman Mudana I Putu Andrean Wiranata I Putu Arich Arthawan I Putu Bayu Suka Yasa I Putu Nanda Nugraha Utama I Putu Nova Suciawan I W A Wijaya I W Arta Wijaya I W Rinas I W. A. Premei Artha I W. A. Wijaya I W. A. Wijaya I W. Rinas I W.A Wijaya I Wayan Arta Wijaya I Wayan Arta Wijaya I Wayan Rinas I Wayan Sukerayasa I.W.A Wijaya I.W.A. Wijaya Ida Bagus A. Swamardika Ida Bagus Adisimakrisna Peling Ida Bagus Gede Wira Negara Ida Bagus Made Pandwa Putra IGP Agung Satya Wicaksana INA Seputra IWA Wijaya IWY Swara I_M. Suartika K A Kartika Sari Kadek Mirah Mahadewi Kadek Paramarta Dwi Parna kadek rudi andika setyawan Kadek Widipratama Ketut Dharma Yasa Khana Eland N.A Kharis Biantoro Lie Jasa M.S. Ugustra Made Andi Kusumayana B Made Dinda Pradnya Pramita Ngakan Putu Satriya Utama Ni Wayan Dian Puspita Sukma Dewi Nia Paramitha NPG Suardana Nyoman Karnata Mataram P A Mertasana Putu Quentin MP Putu Sri Merta Suryani Quentin MP, Putu Ravinda Ariestya Pamungkas Riantika, I Gede Rama Rinas, I W. Rukmi Sari Hartati Satcitananda P, I G.B. Satriyo Agung Pribadi Tjok Gede Indra Partha W G Yoga Ananta Wijaya W. Arta Wijaya W.G. Suharthama Wahyu Adi Merta Wayan Gede Ariastina Yanu Prapto Sudarmojo Zulfachmi, Zulfachmi

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