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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 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 Jurnal SPEKTRUM Lontar Komputer: Jurnal Ilmiah Teknologi Informasi

Rukmi Sari Hartati

Program Studi Teknik Elektro, Universitas Udayana

Author-ID : 2927032

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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PENALAAN POWER SYSTEM STABILIZER PLTDG PESANGGARAN BERBASIS LOSSES CONCEPT Abdurrahman Sayudi; Rukmi Sari Hartati; Ida Bagus Gede Manuaba
Jurnal SPEKTRUM Vol 8 No 1 (2021): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Pusat Listrik Tenaga Diesel Gas (PLTDG) Pesanggaran menjadi salah satu pembangkit yang ada di Bali yangmempunyai posisi penting dalam sistem 150 kV Bali, kinerja kestabilan dari PLTDG Pesanggaran saat terjadigangguan merupakan hal krusial yang perlu diperhatikan. Pendekatan model SMIB untuk analisa kestabilanpada PLTDG Pesanggaran digunakan untuk memudahkan analisa, dengan cara mereduksi sistem multimesinmenjadi SMIB dengan Losses Concept. Dari hasil simulasi model tersebut diperoleh hasil bahwa nilai overshootdan settling time dari tanggapan perubahan sudut rotor dan tanggapan frekuensi pada model SMIB PLTDGPesanggaran.

ANALISIS STABILITAS MULTI MACHINE PADA ISLAND MODE SISTEM KELISTRIKAN BALI I Gede Bayu Suarsa; Ida Bagus Gede Manuaba; Rukmi Sari Hartati
Jurnal SPEKTRUM Vol 7 No 2 (2020): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Modern electrical systems are characterized by extensive interconnection systemswith the need for electrical energy and control depending on the control system. Oneelectricity system that has been widely interconnected is the Bali electricity system. The Balisystem using island mode has four generating units that can supply electrical energy needsincluding UP Pesanggaran, UP Celukan Bawang, UP Gilimanuk and UP Pemaron. But itmust be remembered in supplying electrical energy needs are also affected by the constantchange in load, resulting in instability in the electrical system. So the need for a controlsystem that can increase the value of damper such as the Power System Stabilizer (PSS). PSScan be used to reduce frequency oscillations when interference occurs, but for PSS design itgives less good performance in different operating conditions. Problems with PSS occur dueto errors in modeling, input value input, and topology variations. Efforts are made to reduceerrors in PSS by using methods that are expected to overcome this problem, namely the fuzzylogic controller.The results of the analysis show that the system performance index usingfuzzy logic is 78.6064. Fuzzy logic has the ability to damp better and reduce errors better.

Rancang Bangun Sistem Control Air Conditioning Automatis Berbasis Passive Infrared Receiver I Gusti Made Ngurah Desnanjaya; Ida Ayu Dwi Giriantari; Rukmi Sari Hartati
PROSIDING CSGTEIS 2013 CSGTEIS 2013
Publisher : PROSIDING CSGTEIS 2013

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

Abstrak—Masih kurangnya suatu aktifitas manajemen energi yang berdisiplin untuk mematikan AC pada saat keluar dari ruangan yang berakibat pada tidak efisiennya penggunaan energi listrik. Dari hasil kajian Kementrian Energi dan Sumber Daya Mineral menunjukan bahwa setengah dari pemakaian energi listik pada sebuah gedung di pergunakan untuk pemakaian AC.Dengan mengacu pada permasalahan tersebut maka dilakukan metode studi kepustakaan metode pengumpulan data yang dilakukan dengan membaca literatur-literatur yang berhubungan dengan penggunaan kontrol AC otomatis. Maka di rancang suatu sistem control Air Conditioning automatis berbasis passive infrared receiver (PIR). yang dapat membaca gerakan dan setiap signyal hasil pembacaan akan dikirim ke mikrokontroler ATmega16 kemudian akan mengirimkan signyal ke AC. Setelah AC menyala LCD akan menampilkan hasil pembacaan PIR dan LM35 yang bekerja sebagai sensor suhu. Bila suhu pada AC tidak sesuai dengan yang diinginkan pengguna dapat merubah sesuai dengan keinginan, agar tidak mengurangi rasa kenyamanan penggunana.Dari hasil yang didapat pada sistem control Air Conditioning automatis, sudah dapat melakukan ON/OFF automatis pada AC dengan perangkat yang portable. Rancangan control AC automatis ini ialah bekerja pada saat merespon aktifitas manusia dalam sebuah ruangan. Dengan mempergunakan sensor Passive Infrared Receiver (PIR) dan sensor LM35 berbasis mikrokontroler ATmega16.Kata kunci: PIR, ATmega16, control AC automatis.

PENGUKURAN USER EXPERIENCE (UX) DESAIN APLIKASI TROUBLE TICKET MENGGUNAKAN METODE SUPERGOLDEN RATIO Gede Ardi Herdiana; Ida Bagus Alit Swarmardika; Rukmi Sari Hartati
SINTECH (Science and Information Technology) Journal Vol. 5 No. 1 (2022): SINTECH Journal Edition April 2022
Publisher : Prahasta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31598/sintechjournal.v5i1.1093

The Bali Provincial Information and Statistics Communication Service requires a Trouble Ticket application to report and document internet problems that exist in the offices of the Bali Provincial government. In addition to having functions as needed, the Trouble Ticket application must also pay attention to UI and UX. The method that has been widely used to create UI designs is the Golden Ratio. In addition to the Golden Ratio, there is a Ratio that has not been developed in the field of UI design, the Ratio is the Supergolden Ratio. Supergolden Ratio is the ratio obtained from the Ratio Limit Narayana Sequence which is worth 1.4656. In this study, a Trouble Ticket application design will be designed using the Supergolden Ratio method. The Trouble Ticket and UEQ application designs are given to users to determine the user experience (UX) when using the Trouble Ticket application design. The UEQ results show that the user experience of the application design that is designed using the Supergolden Ratio method produces positive results. Aspects of attractiveness, clarity, efficiency, accuracy, and simulation showed excellent results, while the novelty aspect showed good results.

Induction Motor Monitoring System Base on Fuzzy Logic Controller Prof. Rukmi Sari Hartati; Ida Bagus Gede Manuaba; I Made Mataram
Journal of Electrical, Electronics and Informatics Vol 4 No 1 (2020): JEEI (February 2020)
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEEI.2020.v04.i01.p03

Squirrel cage induction motor is an AC electric motor that is most widely used in industry. This type of motor is chosen because it does not have a commutation brush, and its construction is strong, so it can withstand large, easy flow surges for repair and maintenance. The problem that often occurs is the imbalance of supply voltage which causes motor efficiency to decrease. An imbalance of voltage will result in a current not equal. As a result of phase currents that are much larger than other phases result in an increase in temperature and speed on the motor. This research was conducted to monitor the induction motor so that it can determine the condition of the motor when receiving a voltage imbalance. The method used in the induction motor condition monitoring system is the fuzzy logic method. Parameters that can be monitored are categorized into three conditions: normal (good) motor condition, damage (serious) and serious damage.

Damping Harmonic Distortion Using Active Filter with PID Control at Udayana University Faculty of Engineering Bukit Jimbaran I Made Suartika; Rukmi Sari Hartati; I.B.G. Manuaba
Journal of Electrical, Electronics and Informatics Vol 2 No 2 (2018): JEEI (August 2018)
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEEI.2018.v02.i02.p02

Increased THD (Total Harmonics Distortion) in the utility, caused by the increasing operation of non-linear loads. High THD current (THDi) will affect the increase of power losses in the power system. In this study, THD analysis of the simulation results was performed according to IEEE 519-2014 standard on existing condition, shunt active filter operating condition and shunt active filter operating conditions with PID (proportional integral derivative) control, also analyzed losses before and after harmonic impact. The result of losses analysis on existing condition: losses phases R 3.38%, phase S 2.29%, phase T 3.33%. Total losses on existing condition 9.01%. Operation with active shunt filter is obtained losses for phase R 1.60%, phase S 2.46%, phase T 1.67%, so the total losses become 5.73%. While using the active filter with PID control for losses phase R 1.02%, phases S 0.89%, phases T 0.99%, so the total losses fell to 2.18%

Trafic Signs Detection Based On Saliency Map Using Canny Edge Putri Alit Widyastuti Santiary; I Made Oka Widyantara; Rukmi Sari Hartati
Journal of Electrical, Electronics and Informatics Vol 2 No 1 (2018): JEEI (February 2018)
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEEI.2018.v02.i01.p01

This paper proposed Canny edge detection to detected saliency map on traffic sign. The edge detection functions by identifying the bounds from an object on an image. The edge of an image is an area that has a strong intensity of light.The pixel intensity of an image changes from low to high values or otherwise. Detecting the edge of an image significantly will decrease the amount of data and filters insignificant information by not deleting necessary structure from the image. The image used for this paper is a digital capture of a traffic sign with a background. The result of this study shows that Canny edge detection creates saliency map from the traffic sign and separates the road sign from the background. The image result tested by calculating the saliency distance between a tested image and trained image using normalized Euclidean distance. The value ofnormalized Euclidean distance is set between 0 to 2. The testing process is done by calculating the nearest distance between the tested vector features and trained vector features. From the examination as a whole, it can be concluded that road sign detection using saliency map model can be built by Canny edge detection. From the whole system examination, it resulted a accuracy value of 0,65. This value shows that the data was correctly classified by 65%. The precision value has an outcome of 0,64, shows that the exact result of the classification is 64%. The recall value has an outcome of 0,94. This value shows that the success rate of recognizing a data from the whole data is 94%.

Biodiesel Production From Sardine Flour Used Cooking Oil Using One Step Transesterification Techniques Atmiral Ernes; Poppy Diana Sari; Rukmi Sari Hartati; I Nyoman Suprapta Winaya
Jurnal Ilmu dan Teknologi Terapan Pertanian Vol 3 No 2 (2019): Journal of Applied Agricultural Science and Technology
Publisher : Politeknik Pertanian Negeri Payakumbuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32530/jaast.v3i2.109

Diesel oil demand as energy source at industrial, transportation and electric generating sector are increasing and it resulted with the decreasing of fossil energy source backup. Biodiesel as an alternative energy source to substitute diesel oil can be utilized from used fried oil of sardine flour. The purpose of this research was to develop the technology to convert used fried oil of sardine flour to become biodiesel using one step trans-esterification technic as an alternative of renewable energy source and also to utilize waste of used oil. Biodiesel made using one step trans-esterification technic with NaOH catalyst concentration 0.5; 1.0; 1.5; 2.0 (% m/m) from total weight of oil and methanol. Trans-esterification process run for 30, 60 and 90 minutes at 65 temperature. The biodiesel obtained was analyzed using gas chromatography and mass spectrometer (GC-MS). The quality was determined by comparing its physicochemical properties and compared to the SNI standard 04-7182-2015. The result of GC-MS showed 10 peaks corresponding to ten methyl ester (biodiesel): octanoic acid methyl ester; decanoic acid methyl ester; dodecanoic methyl ester; tridecanoic acid, 12-methyl-, methyl ester; pentadecanoic acid methyl ester; hexadecatrienoic acid methyl ester, 9-hexadecenoic acid methyl ester, 9-hexadecenoic acid methyl ester, trans-13-octadecenoic acid methyl ester, hexadecanoic acid methyl ester. The biodiesel obtained has a density of 908 kg/m3, viscosity of 3.13 mm2/s, acid value of 0.29 mg-KOH/g found in treatment 1.5% NaOH and time process of 60 minutes. Viscosity and acid value were in a good agreement with SNI standard 04-7182-2015. The research shows that used fried oil of sardine flour has possibility as biodiesel source. Keywords: Biodiesel; sardine flour used cooking oil; trans-esterification

E-Translator Kawi to Balinese Oka Sudana; Darma Putra; Made Sudarma; Rukmi Sari Hartati; I Putu Putra Diyastama
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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Nowadays, technology development in cultural aspect has been rapidly evolved. The main reason for technological development in cultural aspect is to preserve the culture of previous era in this globalization age, particularly in Indonesia. Indonesia has many ethnics, races, languages, and cultures which have been passed from our ancestors, one of which is Kawi language. Kawi language is one of the languages which used in Javanese Hindu-Buddha Kingdoms. It was used in many literatures. At this time, only a few people understand Kawi language, particularly in Bali, so a preservation action must be done. Technology became a media to preserve and enhance understanding of Kawi language. Natural Language Processing like e-translator is the one that can be used to achieve the cultural preservation. E-translator application is a tool for translating one language to another. It translates Kawi to Balinese language word by word. Stemming methods used in this application are Bobby Nazief and Mima Adriani Algorithm, perfected by Kawi wording regulation. Translated results from Kawi to Balinese language can be in a form of a word, sentence, or paragraph. Quality measurement of the translation system has an accuracy of 82,27%. Hopefully, this application can be one of the media to preserve Kawi language in Bali and Indonesia.

Market Basket Analysis For Procurement Of Food Stock Using Apriori Algorithm And Economic Order Quantity Made Sri Indradewi Adnyana; Rukmi Sari Hartati; Made Sudarma
International Journal of Engineering and Emerging Technology Vol 5 No 2 (2020): July - December
Publisher : Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/IJEET.2020.v05.i02.p25

In a company, it's important to think about inventory patterns. Because without inventory management, companies can suffer losses. Perceived losses if the goods owned in the company's stock are lacking but the interest in goods is very high can cause consumers to switch to other companies and will reconsider making transactions. This also happens if the goods available in the warehouse have a large amount but the consumer's interest in the goods will experience a slight loss especially if the item has an active period so there is a buildup or loss. Therefore an item management strategy is needed. One company that can use both of these methods is Starbucks Legian. Because using the Economy Order Quality method can determine the number of subsequent orders and using a priori algorithm can help companies determine the items that need to be held more and can be given as promos with other products sold or given discounts. Using these two methods will attract consumers to shop at Starbucks Legian.

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 Gede Ketut Ari Wirawan 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 Anggi Wahyudi Artha 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

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