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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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OPTIMASI PEMASANGAN DAN KAPASITAS KAPASITOR SHUNT PADA JARINGAN DISTRIBUSI PENYULANG MENJANGAN Chandra Wimartono Manurung; I Wayan Sukerayasa; Rukmi Sari Hartati
Jurnal Teknologi Elektro Vol 16 No 2 (2017): (May - Agustus) 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.2017.v16i02p02

Abstract

Optimasi pemasangan dan kapasitas kapasitor shunt pada Penyulang Menjangan dilakukan untuk kompensasi daya reaktif pada jaringan distribusi primer sehingga dapat memperbaiki faktor daya, mengurangi rugi-rugi jaringan dan memperbaiki profil tegangan pada jaringan distribusi Penyulang Menjangan setelah dilakukan pemasangan kapasitor shunt. Untuk mendapatkan nilai yang optimum dari parameter-parameter tersebut, menggunakan proses optimasi dengan metode Capacitor Sizing – Radial Network. Dari hasil studi simulasi optimasi kapasitor shunt pada Penyulang Menjangan, diperoleh letak optimum dari kapasitor shunt pada jarak 92.724 ft (27,82 km) dari sumber atau jika digambarkan pada diagram segaris berada sebelum Bus 28 (GR 122) dengan kapasitas 1.800 kVAR. Setelah dilakukan pemasangan kapasitor shunt tersebut, faktor daya naik dari kondisi awal simulasi 0,79 menjadi 0,91, tegangan pada Bus 91 (GR 115) mengalami peningkatan sebesar 16,4% (dimana kondisi awal simulasi 75,05% naik menjadi 91,42%) serta penurunan rugi-rugi jaringan sebesar 29,3%.
Sistem Monitoring dan Kontrol Tangki Air Menggunakan Raspberry Pi Berbasis Bot Telegram Lanang Bagus Amertha; Rukmi Sari Hartati; Made Sudarma
Jurnal Teknologi Elektro Vol 21 No 2 (2022): (Juli - Desember) 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.2022.v21i02.P02

Abstract

Water tanks are often placed at a height to take advantage of the force of gravity so that water can flow optimally. The high position of the water tank is difficult for users to find out the quality and volume of water. Poor water quality such as experiencing turbidity can have a bad impact. So we need a system that can detect turbidity and water volume and can inform users remotely. The technology that can be used is the internet of things. The system built will monitor the turbidity and volume of the user's water tank, as well as control the pump in the form of turning it on and off. The interaction process between users and the system using bots from Telegram. The test results of the system can monitor turbidity and water volume and control the water pump through interaction with users using Telegram bots. The test results show the average speed of the entire system process is 1.48 seconds. The use of Raspberry Pi microcontroller can be used for future system development such as adding cloudy water treatment process features or others. Another development suggestion by adding bots as an interface from other instant messaging applications.
Analisa Kualitas Daya Listrik Instalasi Wing Amerta RSUP Sanglah Denpasar Putu Meyyasa; Rukmi Sari Hartati; Ida Bagus Gde Manuaba
Jurnal Teknologi Elektro Vol 18 No 2 (2019): (Mei-Agustus) 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.2019.v18i02.P14

Abstract

Instalasi Wing Amerta adalah merupakan bagian dari RSUP Sanglah Denpasar yang memiliki pelayanan rawat jalan / poliklinik, rawat inap, kamar bersalin, kamar operasi, dan layanan penunjang untuk memfasilitasi kebutuhan masyarakat yang menghendaki pelayanan lebih nyaman, diresmikan dan dibuka pada tanggal 30 Desember 2004 sebagai perwujudan impian masyarakat untuk memiliki sebuah rumah sakit yang bertaraf internasional di Bali. Konsumsi energi listrik tahun 2016, 2017 dan 2018 sebesar 1.390.145.617 rupiah. Dari besarnya biaya belanja energi secara keseluruhan, terdapat biaya konsumsi kelebihan daya reaktif (KVARh) sebesar 199.578.425 rupiah, dengan rata-rata setahun 66.526.141 rupiah dan rata-rata sebulan 5.543.845 rupiah. Konsumsi energi listrik berasal dari 4 kelompok peralatan yaitu: kelompok peralatan penataan udara (AC) yaitu sebesar 76,34% diikuti oleh kelompok peralatan lain sebesar 17,22%, kelompok peralatan medis sebesar 3,23%, konsumsi terkecil adalah pada kelompok penerangan sebesar 3,21%. Kualitas daya listrik sangat perlu di perhatikan karena dapat memaksimalkan daya yang ada serta menjaga tingkat keamanan peralatan yang digunakan ke pasien. Hasil analisa, pengukuran serta perhitungan didapat kapasitas daya 555KVA dengan cosphi sebesar 0,75 memerlukan perbaikan faktor daya menjadi 0,98 dengan pemasangan kapasitor bank dengan kapasitas 285,575 KVAR. Dengan memperhitungkan ketersediaan kapasitor bank di pasaran serta spare daya sebesar 40% maka kapasitor bank yg dibutuhkan sebesar 400KVAR. Investasi ini akan kembali pada 1,8 tahun dan setelah tahun ke dua dan seterusnya, merupakan keuntungan atau efisiensi pengeluaran Rumah Sakit sebesar Rp. 5.543.845,- setiap bulannya atau Rp. 66.526.141,- setiap tahunnya, serta diharapkan dapat : Memaksimalkan pemakaian daya (KVA), menghindari kelebihan beban trafo (overload) dan menghindari kenaikan arus / suhu pada kabel. Kata Kunci: Kualitas Daya, Cosphi, Kapasitor Bank, Efisiensi Rumah Sakit.
Peningkatan Unjuk Kerja Pada Link Microwave Menggunakan Teknik Diversity Maximal Ratio Combining Debbi Irfan Mudhoep; Rukmi Sari Hartati; Yoga Divayana
Jurnal Teknologi Elektro Vol 19 No 2 (2020): (Juli - Desember) 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.v19i02.P01

Abstract

In communication systems using microwave waves (microwave links), the presence of noise and multipath fading can reduce and reduce the performance of communication systems. Microwave propagation is influenced by several things in the reception system besides having to LOS (Line of Sight) there is a reflected signal from the surface that is causing interference (multipath signal). By using the diversity maximal ratio combining technique on systems affected by noise and fading, it is used through BER (Bit Error Rate) analysis. The use of research simulations to determine the improvement of the system at the recipient by comparing before and after using the maximal ratio combining technique
Analisis Usability Pada Aplikasi Ayoowork Baliyoni Menggunakan Use Questionnaire Putu Aryasuta Wicaksana; Ida Bagus Alit Swamardika; Rukmi Sari Hartati
Jurnal Teknologi Elektro Vol 20 No 2 (2021): (Juli-Desember) 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.2021.v20i02.P17

Abstract

Abstract— Basically, building a system is to meet the needs of its users, where the system must consider the ease, comfort, and satisfaction of using the information system. Several studies have shown that these aspects can be measured through usability analysis. This research was conducted to analyze the usability of a project management information system developed and used at PT. Baliyoni Saguna Group. The purpose of this study is to determine the level of usability of information systems or usability by measuring four aspects of usability, Measurements are made using the Use Questionnaire which is measured using a Linkert scale with a scale of 5. So it is hoped that this research in the future can be a reference for companies to continue to develop information systems to support business activities and increase company competitiveness. The results of the study indicate that the Ayoowork Baliyoni information system has a good usability level with a score interpretation value of 62.07%. The scores of each aspect measured are usefulness with a score of 593 or 62.94%, ease of use 61.39%, ease of learning 60.59%, and satisfaction with 63.03%.
Analisis Penentuan Respons Twitter sebagai Media Komunikasi dan Informasi Pemerintah Berbasis Metode Rabin-Karp Luh Ayu Diah Fernita Sari; Nyoman Putra Putra Sastra; Rukmi Sari Hartati
Jurnal Teknologi Elektro Vol 22 No 2 (2023): (Juli - Desember) 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.v22i02.P15

Abstract

Social media in this digital era, especially Twitter, has an important role in the interaction between government and society. Given the wide variety of activities within government circles, the task of monitoring and responding to messages is complex and time-consuming. Therefore, this study aims to develop an effective approach in determining the appropriate response from the government to people's tweets. This study proposes using a combination of the Rabin-Karp method to quickly determine relevant responses. The Rabin-Karp method, known for its efficiency in pattern matching, is used to match tweets to a set of tweets that have already been given a response. Furthermore, the Word2Vec technique is used to improve understanding of the meaning of the text. The use of the Rabin-Karp method with the addition of the Word2Vec method shows that the response accuracy rate is 74.55%. The results of this study also show that the lower the K-Gram value, the higher the similarity value, and vice versa. These results are expected to contribute in the context of government that is responsive to societal issues discussed on Twitter.
Penerapan Wavelet Daubechies pada Teknik Estimasi Gerak Bilateral A.A. Made Agung Istri Iswari; I Made Oka Widyantara; Rukmi Sari Hartati
Jurnal Teknologi Elektro Vol 21 No 1 (2022): (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.2022.v21i01.P19

Abstract

DVC has the characteristics of lighter encoder performance by transferring the efficiency of the field of motion to the decoder. The characteristics of DVC are similar to FRUC which is a technique to improve the quality of video display from the decoder side by inserting interpolated frames. In this study, multi-resolution bilateral motion estimation based on pyramid wavelets is proposed by comparing the order of wavelets contained in the daubechies wavelet. The parameters compared in this study are PSNR and the computational complexity of the proposed method to improve the quality of the video reconstruction from the decoder side. This study shows that the use of the daubechies wavelet order in the proposed method can obtain sufficient category of PSNR values of db6 with a value of 27.37 dB for video images with moving background characteristics and moving objects, good categories of db7 and db10 with a value of 34.8 dB and 32.06 dB for video images with fixed background characteristics and moving objects, and video images with moving background characteristics and fixed objects. The selection of the wavelet order on the daubechies wavelet can be adjusted to the characteristics of the video image that will be used.
Kemandirian Energi Listrik di Pasar Seni Kuta dengan menggunakan Sistem PLTS I Dewa Gde Bayu Wiranatha; Rukmi Sari Hartati; I Nyoman Setiawan
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.P17

Abstract

The Kuta Art Market, is a modern market that was recently revitalized in 2023. The building has renewable energy potential of PLTS on the roof area, when this potential can be exploited then the electricity consumption of the Kuta Art Market Building is no longer supplied by conventional power plants (PLN) but will enjoy clean energy of autonomous plants such as PLTS. The aim of this study is to identify the potential for generating electricity on the roof of the Kuta Art Market, determine the capacity of the battery as a reserve source of energy and the value of the investment. The research steps of this thesis calculate the solar energy potential in the area of the Kuta Art Market by using PVsyst software, collect the load profile of the Kuta Art Market. The next step is to compute the capacity of the PLTS - inverter then determine the battery capacity required according to the load profile of the Kuta Art Market and then determines the investment cost to build the solar power plant on the rooftop of the Kuta Art Market as well as to evaluate the potential cost savings that can be achieved by using solar energy as a primary resource. The total roof area of the Kuta Art Market is 780,455 m2 with energy potential of 166,23 kW. Based on the design results, PLTS will be built with a capacity of 61,6 kWp, with total battery capacity 3200 Ah. Total investment of Rp. 1,162,938.563 is required for the construction of PLTS, a payback period of 15 years 8 months, NPV of Rp. 204,439.887,26 and IRR of 8,06%. Based on the values above, it indicates that the PLTS project on the roof of the Kuta Art Market building is feasible to carry out.
Genetic K-Means Algorithms, ASSU Analisis Peningkatan Kompetensi Mahasiswa Menggunakan Model Pembelajaran ASSURE berbasis Project-Based Learning Asri Prameshwari; Rukmi Sari Hartati; Made Sudarma
Jurnal Teknologi Elektro Vol 17 No 3 (2018): (September - Desember) 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.2018.v17i03.P16

Abstract

Sistem pembelajaran yang telah diterapkan dan dikembangkan bertujuan untuk meningkatkan, menguasai, memahami, dan menerapkan materi belajar untuk kemudian dijadikan suatu kompetensi dasar. Penelitian ini menganalisa hasil peningkatan kompetensi mahasiswa dalam mata kuliah teknologi informasi di STIKes Wira Medika Bali pada jenjang S1 Keperawatan dengan menggunakan sistem pembelajaran ASSURE berbasis Project-Based Learning. Metode yang digunakan dalam pengelompokkan hasil peningkatan tersebut menggunakan Genetic K-Means Algorithms, Metode ini dipilih karena mempunyai kinerja lebih optimal dari K-Means sederhana. Algoritma ini yang menggunakan natural selections untuk opitimalisasi menentukan initial seeds. Penentuan jumlah cluster yang digunakan dalam penelitian ini sebanyak tiga cluster dengan kategori tinggi, sedang dan rendah. Hasil dari penelitian ini untuk kategori sedang meningkat dengan range 3,92% dan 14%, untuk kategori rendah meningkat 31,37% dan 74%, untuk kategori tinggi menurun 35,29% dan 60%.
Pengelolaan Energi Listrik Pada Gedung Fakultas Kedokteran Universitas Udayana Kampus Sudirman Denpasar Ida Bagus Putra Setanu M; Rukmi Sari Hartati; INS Kumara
Jurnal Teknologi Elektro Vol 11 No 2 (2012): (July - Decenber) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

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

Abstract

Fakultas  Kedokteran Universitas Udayana merupakan salah satu fakultas terbaik ke 10 di Indonesia, dengan jumlah dosen 245 orang, mahasiswa 2126 orang, pegawai 145 orang, dengan luas bangunan 6.745 m2, 4 lantai, serta kapasitas pasokan listrik dari PLN sebesar 312 kWh dan cadangan Genset sebesar 500 kVA. Pemakaian energi listrik berdasarkan pembayaran rekening per luas bangunan diperoleh IKE sebesar 82,94 kWh/m2/thn termasuk katagori sangat efisien. Dengan pemakaian per hari efektif; AC 44%, lampu 14%, komputer set 25%, dan 16% peralatan lainnya. Sistem pengkondisian udara ruangan berAC berkisar antara 25 – 26, dan kelembaban 61% - 65%. Sebagian besar ruangan telah memenuhi standar kenyamanan termal sebesar 72% dari keseluruhan ruangan. Untuk sistem pencahayaan yang belum memenuhi standar pencahayaan minimum sebesar 57%, sedangkan yang memenuhi sebesar 43% dari keseluruhan ruangan. Nilai rata-rata OTTV selubung bangunan 32,86 watt/m2 dari standar ditetapkan 45watt/m2 atau sesuai dengan syarat bangunan hemat energi, untuk melakukan penghematan perlu dibuatkan program pemakaian energi. Salah satu program yang dapat dilakukan adalah pengaturan jadwal pemakaian atau pengantian lampu TL dengan lampu LHE guna menghemat pemakaian energi, serta cahayanya dapat ditingkatkan dengan menaikan watt lampu. Pengaturan jadwal pemakaian peralatan dapat dilakukan dengan membuatkan program SOP, terutamanya pada pemakaian AC, lampu, PC dan peralatan lainnya.
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