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All Journal International Journal of Electrical and Computer Engineering Seminar Nasional Aplikasi Teknologi Informasi (SNATI) Buletin Udayana Mengabdi Jurnal SPEKTRUM INDONESIAN JOURNAL OF BIOMEDICAL SCIENCES Majalah Ilmiah Teknologi Elektro TELKOMNIKA (Telecommunication Computing Electronics and Control) PROSIDING CSGTEIS 2013 Seminar Nasional Informatika (SEMNASIF) JUTIK : Jurnal Teknologi Informasi dan Komputer Techne : Jurnal Ilmiah Elektroteknika SINTECH (Science and Information Technology) Journal Journal of Applied Agricultural Science and Technology Journal of Computer Science and Informatics Engineering (J-Cosine) Logic : Jurnal Rancang Bangun dan Teknologi Journal of Electrical, Electronics and Informatics International Journal of Engineering and Emerging Technology Jurnal Ekonomi Manajemen Sistem Informasi Indonesian Journal of Electrical Engineering and Computer Science Majalah Ilmiah Teknologi Elektro Lontar Komputer: Jurnal Ilmiah Teknologi Informasi
Rukmi Sari Hartati
Program Studi Teknik Elektro, Universitas Udayana
Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering Medicine & Pharmacology Social Sciences

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The Antecedent of Customer Satisfaction towards to Attitudinal Loyalty and Behavioural Loyalty (Study at Customers of PT. Telkom Indonesia Witel Denpasar) Komang Agus Putra Kardiyasa; Rukmi Sari Hartati; Yoga Dipayana
Majalah Ilmiah Teknologi Elektro Vol 22 No 1 (2023): (Januari - Juni) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2023.v22i01.P12

Abstract

Telkom Indonesia introduced fixed broadband, with its IndiHome product in 2015. According to the Triple Play service, IndiHome's flagship service, as well as other services, the core of IndiHome products is its internet service. Other services, such as voice (telephone) and interactive television (UseeTV) are ride products (augmented products). The goal of this study is to provide insight for future studies that will be conducted by researchers on service quality, which includes network quality, customer service, information quality, and customer data security. It also involves customer satisfaction, behavioural loyalty, and attitude loyalty. The issue in this study is that the number of customers who churn (unsubscribe the services) is increasing, indicating that customers are less loyal to IndiHome services. This study sent a questionnaire to 258 Witel Denpasar respondents who had subscribed to IndiHome for more than one month and had visited the Plaza Telkom in August 2022 in order to collect respondents' responses. The sampling technique used in this research is purposive sampling, which is a sampling technique with certain considerations. Data collection in this study was carried out by distributing questionnaires online via the Google form. And the data analysis technique used in this study is the structural equation modelling (SEM) method using LISREL 8.8 software. Keywords: Customer Satisfaction; IndiHome; Structural Equation Model; Behavioural Loyalty
Pendeteksi Jumlah Orang pada Sistem Bangunan Pintar Menggunakan Algoritma You Only Look Once I Putu Sudharma Yoga; Gede Sukadarmika; Rukmi Sari Hartati; Yoga Divayana
Majalah Ilmiah Teknologi Elektro Vol 22 No 1 (2023): (Januari - Juni) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2023.v22i01.P02

Abstract

The development of the Internet of Things today is very rapid. one form of this development is a Smart-Building or smart building. Smart buildings require a form of system that can monitor the building in real time and efficiently. in this study designed a prototype form of a smart building system by adding a detector for the number of people using the ESP32cam camera sensor. The number of people object detection adapts the careful YOLOv3 Algorithm to 5 different lighting conditions, dimmed 50% and 75%, increased 50% and 75% and normal conditions. The results of this implementation show that the mAP value exceeds 90% in all of these lighting conditions. The YOLOv3 algorithm applied to the smart building prototype system has succeeded in detecting and counting the number of people objects in an image captured by the camera sensor. Keywords— Internet of Things; Object Detection; Smart Building; YOLO
Proteksi Konsleting Listrik Dengan Memutus Jarak Jauh Arus 3 Phasa Beban Besar Dengan Kombinasi Solid State Relay (SSR) dan IoT NodeMCU 8266 Menggunakan Aplikasi Blynk di Sub Panel Gedung Telkomsel Smart Office Renon Denpasar Amien Harist Hardiansyah; Rukmi Sari Hartati; Yoga Divayana
Majalah Ilmiah Teknologi Elektro Vol 22 No 1 (2023): (Januari - Juni) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2023.v22i01.P09

Abstract

70% of building fires in Indonesia are caused by electrical short circuits, the rest are caused by other things such as negligence and also gas. Electrical short circuits contribute to the biggest problem in cases of building fires in Indonesia due to concern for maintenance and checking which is often missed due to problems with routine and periodic checking schedules that are not monitored in a lifetime or continuously. One of the methods used to overcome this problem is to continuously monitor the measurement values on the electrical sub-panels in real time. Manual checking is no longer effective due to electrical problems. One minute ago we checked and we can conclude that the panel is in good condition and safe. Because electricity can suddenly have problems without us realizing it and it really needs to be handled extra quickly to take action to cut off the power lines so that short circuits or hot copper sections do not occur which can cause panel fires and can also cause building fires. With today's increasingly sophisticated digital technology, we can innovate by implementing IoT (Internet Of Thing) using the Bynk Android Application as a remote control for monitoring load values and also being able to trigger 3-phase power lines using only a smartphone anywhere as long as the internet is connected so that when If there is an electrical problem with the sub panel inside the building, it will be handled/disconnected immediately. From the research results obtained, the Solid State Relay component can be combined with a microcontroller as the main control line to cut off large electric currents, where the microcontroller uses a 5 Volt input control and SSR (Solid State Relay) uses a 3 Volt - 32 Volt output so that it can be modified and can cut off and monitor traffic only with a smartphone using the Blynk Application. Keyword—Aplication Blynk; short circuits; Protection; SSR (Solid State Relay)
Perancangan Fitur Deteksi Kemiripan Dokumen Jawaban Tugas Mahasiswa pada Sistem Manajemen Pembelajaran dengan Metode K-Shingling dan Cosine Similarity Komang Nova Artawan; Rukmi Sari Hartati; Yoga Divayana
Majalah Ilmiah Teknologi Elektro Vol 22 No 1 (2023): (Januari - Juni) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2023.v22i01.P06

Abstract

Technology development can be used to support the teaching and learning process so it can runs more effectively and efficiently, and one of the applications that can be used to support this process is the Learning Management System (LMS). LMS provides an integrated platform starting from delivering learning materials to students, and evaluating learning process. The evaluation method that can be done at the LMS is giving assignments to students, and students can do submission by uploading their documents assignment answer. The common problem is many students do plagiarism by duplicate the answers of other students. To overcome these problems, this study will implement feature in Course Assignment Menu in LMS to detect the similarity of student assignment document using K-Shingling and Cosine Similarity methods. The K-Shingling algorithm is used to form shingles or word fragments based from all text in the task answer document that has gone through the pre processing stage, then each document have shingle value vector which will be used to compare the similarity values between documents using Cosine Similarity. The results obtained in this study is the developed feature is capable to detecting the similarity percentage of the assignment answer documents from each student, and from that percentage value it can indicate whether the students assignment answers is plagiarism to other students assignment answers. Keyword : LMS; plagiarism; K-Shingling; Cosine Similarity
PENGARUH KETIDAKSEIMBANGAN BEBAN TERHADAP PROFIL JARINGAN TEGANGAN RENDAH I Kadek Krisna Yoga; Rukmi Sari Hartati; Wayan Gede Ariastina
Jurnal SPEKTRUM Vol 10 No 2 (2023): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/SPEKTRUM.2023.v10.i02.p1

Abstract

Load imbalance occurs due to unequal distribution of load in each phase, this can occur in low voltage network distribution lines, one of which occurs in the DS0588 transformer, Merdeka feeder, Denpasar. Based on the data obtained, the percentage of DS0588 transformer load unbalance is 14%. The DS0588 transformer is one of the transformers at the Merdeka Denpasar Feeder with a capacity of 160 kVA which is located on Jalan Badak Agung, Renon Denpasar. Load unbalance data obtained at PLN UP3 South Bali. The research was carried out by the method of redistribution of the load on each phase under unbalanced load conditions, so that the total load of the three phases is the same or close. The results obtained were that the percentage of unbalanced loads in unbalanced conditions was 14% and when balanced conditions decreased to 2.2%. The losses in the distribution network when the unbalanced condition is 25 kW and the balanced condition drops to 23.3 kW, this shows that the load imbalance has an effect on the low voltage network losses. The higher the load imbalance, the higher the losses incurred.
Dye Sensitized Solar Cell Output Power Based on FTO Disposition Immersion Time in Papaya Leave Chlorophyll Poppy Diana Sari; I Made Anom Sutrisna Wijaya; Ida Ayu Dwi Giriantari; Ni Made Wartini; Rukmi Sari Hartati
Journal of Electrical, Electronics and Informatics Vol 7 No 1 (2023): JEEI (July 2023)
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Dye-Sensitized Solar Cell (DSSC) is a dye-based organic solar cell as a photon absorber developed by Prof. Gratzel (1991). Natural dyes are a solution to replace synthetic dyes which are commonly used for DSSC because they are affordable, available in large quantities, environmentally friendly and sustainable. The aims of this study was to analyze the effect of immersion time on the disposition of flourine-doped tin oxide – Titanium dioxide (FTO-TiO2) in the natural dye chlorophyll on the current, voltage and power produced. Using papaya leaves extract with a direct gap energy of 2.428 Ev, FTO-TiO2 deposition was immersed in chlorophyll with 5 levels of immersion time and 3 groupings. Current and voltage measurements were made at the output of the DSSC prototype. Using the Solar Power Generation System, the output voltage (Voc) is 341.167 mV, the current (Isc) is 64.755 ?A and the output power is 1.49 x 10-5 w/cm2 at 60 hours of immersion.
PERENCANAAN PEMBANGKIT LISTRIK TENAGA SURYA (PLTS) OFF GRID DI PT. GEBER SAMUDRA Suryo Aji Wicaksono; Rukmi Sari Hartati; I Wayan Sukerayasa
Jurnal SPEKTRUM Vol 10 No 3 (2023): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/SPEKTRUM.2023.v10.i03.p8

Abstract

Indonesia has a great opportunity to utilize new renewable energy sources for conversion to electric power. One possible use of renewable energy is solar power plants (PLTS). The average potential of solar energy in Indonesia is around 4.8 kWh/m2/day. Therefore, this study is related to the design of PLTS on the roof of PT. Geber Samudra is off the grid. The design of this solar power plant is made with the help of Helioscope software with a total roof area of 125.71 m2 and a roof slope of 20°. The potential power generated is 9.8 kWp and the total annual energy production is 15.56 MWh. It takes 28 pieces of UKSOL UKs-6M 350wp solar panels, 1 Solax X3 HYBRID 10.0 T type inverter with a capacity of 10 kW, and 6 units of 48V 100Ah batteries assembled in series. Based on the results of PLTS roof design can be analyzed that the planning of PLTS roof at PT. Geber Samudra is considered worthy because it meets the criteria of net present value (NPV) of Rp. 25.603.062 is greater than zero. The Benefit-Cost Ratio (B-CR) is greater than one which is 1.12, and the discounted payback period (DPP) is 21,8 years and is achieved at the age of PLTS with the assumption of operating for 25 years.
Implementation of an Information System for Transaction Data Analysis Using the Holt-Winters Method Murpratiwi, Santi Ika; Rukmi Sari Hartati; Made Sudarma
Journal of Computer Science and Informatics Engineering (J-Cosine) Vol 7 No 2 (2023): Desember 2023
Publisher : Informatics Engineering Dept., Faculty of Engineering, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jcosine.v7i2.573

Abstract

Decision-making errors are fatal in company operations and often result in reduced profits. In making the right decisions, in-depth internal and external data analysis is required. One effort to increase decision-making accuracy is to apply a forecasting algorithm for existing transaction data. This research uses data mining and Forecasting for car repair companies. The information system being built is expected to be able to display a list of satisfied customer data, group transaction data based on the level of damage, and provide forecasts for the number of panels, number of units, and total revenue for the next period. From this data, it will be easier for management to determine the number of workers, additional tools, and stock of materials for the vehicle repair process. This information system was built by applying three algorithms, namely C4.5, K-Means, and Holt Winter Multivariate. The C4.5 algorithm will help group customer types, K-Means will help cluster vehicle damage levels, and Holt-Winters will be used for experience. The tests carried out included testing the accuracy of each algorithm, the black box system, and the system time so that the accuracy results were 100% for the C4.5 classification algorithm and 92.28% for the accuracy of K-Means which was tested with the purity measure. Meanwhile, the MAPE value for forecast testing was between 9 – 11% for each forecast.
Pengaruh PLTB Sidrap Terhadap Sistem Kelistrikan Sulawesi Selatan I Putu Riasa; Rukmi Sari Hartati; Ida Bagus Gede Manuaba; Dewa Ayu Sri Santiari
Jurnal Teknologi Elektro Vol 19 No 1 (2020): (Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2020.v19i01.P04

Abstract

New and renewable energy has become the green energy trend in the electric power system going forward. The Bayu Power Station (PLTB) is one of the centers of electricity generation with a primary source of energy that is pollution-free and environmentally friendly. Currently in the South Sulawesi system, PLTB has operated with a total power of 70 MW at a base load of around 700 MW. Because PLTB is very dependent on wind conditions, the power generated becomes unstable and this has a significant intermittent effect on the stability of the system. The results of this study indicate that the intermittent composition of nuclear power plants is increasing from the April-July 2018 period. This ever increasing contribution disrupts frequency stability in the South Sulawesi system
Analisa Indeks Keandalan pada Pembangkit Listrik Tenaga Mesin Gas (PLTMG) MPP Flores Joannes Mario Graciano Kapu; Lie Jasa; Rukmi Sari Hartati
Jurnal Teknologi Elektro Vol 23 No 1 (2024): (Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2024.v23i01.P13

Abstract

Energi listrik ialah kebutuhan penting yang semakin berkembang setiap tahunnya. Memastikan distribusi tenaga listrik yang andal, aman dan ramah lingkungan sangat penting untuk memenuhi kebutuhan pelanggan sesuai dengan standart yang ditetapkan. Untuk menilai kemampuan pembangkit listrik dalam memenuhi kebutuhan listrik, diperlukan adanya indeks keandalan pembangkit listrik. Riset ini bertujuan untuk menilai indeks keandalan pada Pembangkit Listrik Tenaga Mesin Gas (PLTMG) MPP Flores. Nilai indeks LOLP (Loss Of Load Probability) dimanfaatkan untuk melakukan perhitungan. Pada penelitian ini dalam mencari indeks keandalan suatu sistem pembangkitan, mengacu pada dalam SPLN : 68-1A : 1986 yaitu untuk sistem Jawa-Bali adalah 3 hari per tahun dan untuk sistem diluar Jawa-Bali adalah 3,5-5 hari per tahun. Berdasarkan hasil penelitian nilai LOLP dari PLTMG MPP Flores pada tahun 2022 adalah sebesar 4,5295 hari/tahun dan berdasarkan SPLN : 68-1A:1986, maka dari itu nilai Loss Of Load Probability (LOLP) pada PLTMG MPP Flores dikatakan andal karena sudah memenuhi standar. Kata Kunci— LOLP; Keandalan; PLTMG.
Co-Authors A. A. G. M. Pemayun A. Dharma A.A Ngurah Amrita A.A. Made Agung Istri Iswari Abdurrahman Sayudi Adhi Permana Agus Dharma Agus Mahardiananta, I Made Agus Nata Saputra Amien Harist Hardiansyah Anak Agung Istri Sri Wiadnyani Anak Agung Kompiang Oka Sudana Anak Agung Ngurah Mahendra Wijaya Antonius Ibi Weking Antonius Ibi Weking Aries Arimbawa Asep Andang Asri Prameshwari Atmiral Ernes Bayu Widiarsa Kadek Chandra Wimartono Manurung Darma Putra Debbi Irfan Mudhoep Derry Suia Pathentantama Dewa ayu Nancy Cahyani Dewa Ayu Sri Santiari Dewa Made Wiharta Diky Wahyu Kusuma Budi Etis Meilandari Fadil Arialdi Fahmi Ramadhan Fajar Rizky Kurniawan Gede Ardi Herdiana Gede Patrianaya Margayasa Wirsuyana Gede Patrianaya Margayasa Wirsuyana Gede Sukadarmika Gesta Winantara Gusti Putu Budi Arigandi Haekal, Muhammad Hendri Hendri Hendri Noviyanto Pratama I B Gede Manuaba I Dewa Gde Bayu Wiranatha I G.M.W. Meindra Sidemen I G.N. Ayrthon Senapati I Gede Bayu Suarsa I Gede Dyana Arjana I Gusti Agung Made Yoga Mahaputra I Gusti Made Ngurah Desnanjaya I Gusti Ngurah Rai Dharma Widhura I Gusti Ngurah Wira Partha I Gusti Ngurah Yoga Pawitra I Kadek Krisna Angga Pamungkas I Kadek Krisna Yoga I Kadek Noppi Adi Jaya I ketut Gede Darma Putra I Ketut Wijaya I Made Aditya Virgiawan I Made Anom Sutrisna Wijaya I Made Arya Supartana I Made Dhanan Pradipta I Made Gusmara Nusaman I Made Mataram I Made Oka Widyantara I Made Suartika I MADE SUDARMA I Made Sutajaya I N Satya Kumara I Nyoman Adi Putra I Nyoman Gede Arya Astawa I Nyoman Gunantara I Nyoman Setiawan I Nyoman Suprapta Winaya I Nyoman Yudiyana I P Eka Indrawan I Putu Gde Weda Setyawan I Putu Putra Diyastama I Putu Riasa I Putu Sudharma Yoga I Wayan Darma Satika I Wayan Raka Ardana I Wayan Sukerayasa i wayan swi putra I. K. Wijaya I.B.G. Manuaba Ida Ayu Dwi Giriantari Ida Bagus A. Swamardika Ida Bagus Agung Eka Mandala Putra Ida Bagus Alit Swamadika Ida Bagus Bawa Adiputra Ida Bagus Gde Manuaba Ida Bagus Gede Manuaba Ida Bagus Leo Mahadya Suta Ida Bagus Putra Setanu M INS Kumara Jaime Luis da Costa Joannes Mario Graciano Kapu K.Amerta Yasa Kadek Paramarta Dwi Parna Kholid Hidayatullah Komang Agus Putra Kardiyasa Komang Ayu Triana Indah Komang Nova Artawan Komang Oka Saputra l Gusti Ngurah Janardana Lanang Bagus Amertha Lanang Bagus Amertha Lie Jasa Linawati . Linawati L Linawati Linawati Luh Ayu Diah Fernita Sari Luki Ardiantoro Lukito Pramono Made Dika Nugraha Made Dwi Mulyawan Made Henny Aryani Made Sri Indradewi Adnyana Made Sudarma Makmur Fernando Miguel Nazario Mimin F Rohmah Minho Jo Muhammad Hari Wijaya Murpratiwi, Santi Ika Nasrul Faisal Ngakan Putu Satriya Utama Ngakan Putu Satrya Utama Ni Ketut Novia Nilasari Ni Komang Sri Julyantari Ni Luh Ade Mita Rahayu Dewi Ni Made Wartini Ni Wayan Sri Ariyani Nyoman Putra Sastra Ontoseno Penangsang Pande Ketut Sudiarta Poppy Diana Sari Poppy Diana Sari Purwania Ida Bagus Gede Putri Alit Widyastuti Santiary Putu Agus Satriya Guna Adnyana Putu Aryasuta Wicaksana Putu Meyyasa Putu Prima Winangun Radha Kurniawan Rosalind Fawnia Margeritha Salman Al Farisi Sani Renartha Kusuma Servinus Servinus Siti Helmyati Surya Pramana Suryo Aji Wicaksono valentinus gerald gambut Veronica Ambassador Flores Wayan Gede Ariastina Widyadi Setiawan Yoga Dipayana Yoga Divayana Yogha Pramana Yoppy Hartantio