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All Journal Jurnal SPEKTRUM Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) JPF : JURNAL PENDIDIKAN FISIKA Journal of Computer Science and Informatics Engineering (J-Cosine) JURTEKSI Jurnal Teknologi Informasi dan Pendidikan International Journal of Engineering and Emerging Technology Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Jurnal Nasional Teknik Elektro dan Teknologi Informasi MATRIX : JURNAL MANAJEMEN TEKNOLOGI DAN INFORMATIKA Ulil Albab Journal of Dedication in Community (JoDiC) Journal of Electrical, Electronics and Informatics Journal of Digitalization in Physics Education (JDPE)

Komang Oka Saputra

Program Studi Teknik Elektro, Universitas Udayana

Author-ID : 2489140

Religion Arts Humanities 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 Industrial & Manufacturing Engineering Mechanical Engineering Physics Social Sciences Other

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Rancang Bangun Aplikasi Simulasi Dekorasi Ruangan dengan Memanfaatkan Teknologi Markerless Augmented Reality Putu Anggara Mahardika; I Made Arsa Suyadnya; Komang Oka Saputra
Journal of Computer Science and Informatics Engineering (J-Cosine) Vol 3 No 1 (2019): June 2019
Publisher : Informatics Engineering Dept., Faculty of Engineering, University of Mataram

Markerless Augmented Reality (AR) is a technology that combines two-dimensional or three-dimensional virtual objects into a real environment and then projects these virtual objects in real time without the need for a special marker. In this research, the Markerless AR application will be used to simulate room decoration with 3-dimensional objects. This research was built using the Java programming language and using supporting applications namely Android Studio and Wikitude library. Based on the results of testing with the Black-box method, the overall functionality of the application has run well, besides testing also uses the System Usability Scale (SUS) method by giving questionnaires to 20 application users. The results of the System Usability Scale (SUS) test obtained an average score of 73.13. In grouping the SUS percentile score, the value of 73.13 is in Class C, wherein this assessment the application is acceptable and can be used easily by the user.

Kombinasi Protokol Routing OSPF dan BGP dengan VRRP, HSRP, dan GLBP Debbi Irfan Mudhoep; Linawati; Oka Saputra
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 10 No 1: Februari 2021
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Vocational High Schools as educational institution that adopt vocation based curriculum get the advantages and benefits of the development of the teaching factory. Teaching factory is a product and business oriented concept of learning in response to the challenges and development of the industry. However, during the pandemic period, teaching factory management faces many obstacles, one of which is in the performance of the network. The current network uses static routing network protocol which has no backup line or track. It is, therefore, suggested to apply dynamic routing OSPF and BGP with the VRRP, HSRP, and the GLBP workload method as the backup line which is measured through the throughput, delay, and packet loss parameter, for its Quality of Service (QoS). The research scenario stage applies each routing protocol to each performance method, so that it can be measured to obtain the expected QoS results at end users. The best result that will be recommended is routing OSPF by VRRP method because it has less than 1 second time comparison when there is a network failure. It is shown in the QoS result of 3.96, which shows that it is very satistactory compared to others.

Comparison of Backpropagation Neural Network and Convolutional Neural Network on Handwriting Pattern Recognition A. A. SG. Mas Karunia Maharani; Komang Oka Saputra; Ni Made Ary Esta Dewi Wirastuti
Journal of Computer Science and Informatics Engineering (J-Cosine) Vol 6 No 1 (2022): June 2022
Publisher : Informatics Engineering Dept., Faculty of Engineering, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jcosine.v6i1.431

Historical manuscripts are one of documents that important to be preserved because they contain a lot of information, one example of them is script as the historical documents . Historical document mostly still use handwriting in so many reserch. Currently, there are many research regarding the preservation of characters. One way of preservation that can be used is the digitization process. Digitizing’s process tanable by recognizing existing information using technology. The technology that can be used is machine learning. Handwriting is a complex case because of the many variations of these characters and the output of the author where variations of the author will produce different writings. The relevant fields for text and documents are Optical Chacarter Recognition (OCR) and handwriting recognition. There are several methods that can be used in the machine learning process, including Artificial Neural Network (ANN) and Convolutional Neural Network (CNN). Both of these methods are methods that can accept complex image input to be processed and recognized, therefore this method is highly recommended for processing handwriting.

ANALISIS KESESUAIAN FUNGSIONAL DAN USABILITY PADA SISTEM INFORMASI KARMA SIMANIS BERDASARKAN ISO/IEC 25010 Made Dwi Mulyawan; Ida Bagus Alit Swamardika; Komang Oka Saputra
JURTEKSI (Jurnal Teknologi dan Sistem Informasi) Vol 7, No 3 (2021): Agustus 2021
Publisher : STMIK Royal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33330/jurteksi.v%vi%i.1139

Saat ini penggunaan sistem informasi sangat penting dalam meningkatkan efektifitas dan efisiensi suatu proses bisnis. Pemerintah Kota Denpasar merupakan salah satu instansi yang telah mengimplementasikan sistem informasi Karma Simanis untuk mempermudah proses monitoring realisasi anggaran yang dapat dilakukan secara online. Mengingat pentingnya penggunaan sistem informasi Karma Simanis maka diperlukan suatu pengukuran kualitas perangkat lunak berdasarkan kesesuaian fungsional dan usability untuk mengetahui nilai kualitas sistem yang digunakan dari segi fungsionalitas dan tingkat kegunaan. Dalam melakukan pengukuran kualitas terdapat beberapa model yang dapat digunakan menjadi pedoman untuk melakukan pengukuran perangkat lunak. ISO/IEC 25010 adalah model kualitas yang dapat digunakan sebagai standar untuk mengukur kualitas perangkat lunak.. Proses pengukuran dilakukan berdasarkan kuesioner yang telah dirancang dengan menggunakan sub karakteristik functional suitability dan usability pada aspek sistem yang diukur. Hasil pengukuran menunjukkan bahwa sistem informasi Karma Simanis memiliki nilai kelayakan sistem sebesar 75,99% yang terdiri dari kualitas kesesuaian fungsional sebesar 75,85% dan nilai kualitas usability sebesar 76,09%.

Review methods for clock skew measurement Azra Ariel Azmir; Ni Made Ary Esta Dewi Wirastuti; Komang Oka Saputra
Matrix : Jurnal Manajemen Teknologi dan Informatika Vol. 12 No. 3 (2022): Jurnal Manajemen Teknologi dan Informatika
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/matrix.v12i3.117-122

Clock skew is the deviation of the clock from the true time, which makes it an important role in time information. Clock skew is unavoidable and causes each clock to run at a different speed, so there is a very slight difference between them, but it can still be observed properly. The known properties of clock skew make it potential research for many experts, such as Paxson, Aoki, and Huang. To produce a more accurate clock skew measurement, this study uses the ant colony optimization method by adopting the behavior of an ant colony in searching for food by choosing the path with the shortest route, which will become the cluster offset as a material for measuring clock skew. Ant colony optimization method has the most potential to be adapted in clock skew measurement because the cluster offset is not affected by the upper and the bottom outliers to produce an accurate clock skew measurement.

Aplikasi Sistem Monitoring Pengairan Sawah Subak Berbasis Android Ni Made Ary Esta Dewi Wirastuti; Zaky Zamani Noor; Komang Oka Saputra
Journal of Computer Science and Informatics Engineering (J-Cosine) Vol 6 No 2 (2022): December 2022
Publisher : Informatics Engineering Dept., Faculty of Engineering, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jcosine.v6i2.449

Subak is a group of farmers in Bali to manage rice fields irrigation. Farmers come directly to the rice fields which need time to monitor their fields irrigation so that it’s less efficient. Based on this, an Android-based subak irrigation monitoring application was designed using the flutter framework with subak culture system for monitoring farmers fields irrigation and using supporting application namely Android Studio. The result of this research is an Android application that can display the location of the rice fields that registered, successfully sends a high water request, successfully sends a request for registration of subak fields, and successfully reports damages in case of damages to the fields and also successfully retrieves data on the condition of rice fields whose data is taken from the Antares database. The Black-box testing and System usability scale (SUS) used in the Android application has been successfully run according to the given scenario and functions and also suitable for use by users because the result of SUS are above the average value that is 72.875.

Sistem Informasi Monitoring Pengairan Sawah Subak Berbasis WebGIS I Gusti Agung Anom Semara Putra; Ni Made Ary Esta Dewi Wirastuti; Komang Oka Saputra
Journal of Computer Science and Informatics Engineering (J-Cosine) Vol 6 No 2 (2022): December 2022
Publisher : Informatics Engineering Dept., Faculty of Engineering, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jcosine.v6i2.450

Subak is a traditional organization owned by the Balinese people to manage rice field irrigation. In the process of irrigating the fields, subak administrators and farmers check the condition of the irrigation in the fields by directly coming to the location to check the condition of the water level in the fields, so it is time consuming and less efficient. The creation of a geographic information system is intended so that subak administrators and farmers know the water level of the fields and regulate irrigation without going to the fields. The geographic information system is built using the Laravel framework equipped with a map. The map was created with the Google Maps API with the aim of displaying the location of rice fields. The result of this research is a geographic information system that can monitor the height of rice fields and display data on a map. The information system can also receive sensor data and send configuration data to Antares. In black box testing, the information system has been running according to the functions and scenarios given. Based on the results of the System Usability Scale test, the application obtained a score of 76,125 which indicates the application is classified as good and can be accepted by the user.

Metode Potensial Untuk Menghitung Clock Skew I Gede Agus Aditya Putra Aditya; Komang Oka Saputra; Ni Made Ary Esta Dewi Wirastuti
Journal of Computer Science and Informatics Engineering (J-Cosine) Vol 6 No 2 (2022): December 2022
Publisher : Informatics Engineering Dept., Faculty of Engineering, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jcosine.v6i2.459

Some studies such as Aoki measure clock skew by filtering outliers by selecting the minimum offset that is collected using linear regression to calculate the slope of the accumulated minimum offset. Huang who uses the QPM (Quick Piecewise Minimum) algorithm to calculate the skew of the minimum offset at the beginning and end of the collected offsets and Moon's research that uses the LPA (Linear Programming Algorithm) algorithm which determines the clock skew of the line gradient that is below the offset. In addition, there are several methods that have the potential to be used in measuring clock skew including ant colony, bee colony, particle swarm, and also genetic algorithm. From these several methods, one method that has potential as a method that can be used for measuring clock skew will be selected. The method that can be used is particle swarm optimization because it is considered more efficient and flexible and easy to implement with few parameters used.

Filter Air Kapur untuk Mengurangi Penyakit Batu Ginjal Azra Ariel Azmir; Ni Made Ary Esta Dewi Wirastuti; Widyadi Setiawan; Komang Oka Saputra
ULIL ALBAB : Jurnal Ilmiah Multidisiplin Vol. 1 No. 9: Agustus
Publisher : CV. Ulil Albab Corp

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

Air merupakan salah satu sumber utama bagi kehidupan yang tidak bisa terlepas oleh makhluk hidup, namun kualitas sumber daya air mengalami penurunan yang dapat mengakibatkan bahaya bagi seluruh makhluk hidup. Penurunan kualitas sumber daya air terjadi akibat dari pencemaran lingkungan yang di dalamnya mengandung zat-zat berbahaya seperti logam, merkuri, hingga zat kapur yang dapat memicu berbagai penyakit berbahaya seperti salah satunya penyakit batu ginjal. Berdasarkan permasalahan yang ada di buatlah filter air kapur yang bertujuan untuk mengurangi zat kapur pada air sebagai pencegahan dini terhadap penyakit batu ginjal. Alat filter air kapur dapat mengurangi kandungan kapur yang terlarut di dalam air, pada alat ini dirancang beberapa benda seperti terdapatnya batu paras untuk mengurangi kandungan kapur pada air, arang yang berguna untuk mengurangi bau pada air, serta sensor pH untuk mengetahui kualitas air yang tertampung. Diharapkan alat ini dapat membantu masyarakat dalam menangani kandungan air yang terkandung kapur di dalam sumur sehingga terhindar dari penyakit batu ginjal.

Implementasi Teknologi GPON Berbasis FTTH pada Perumahan Permata Anggrek I Gede Agus Aditya Putra; Komang Oka Saputra; Ni Made Ary Esta Dewi Wirastuti
ULIL ALBAB : Jurnal Ilmiah Multidisiplin Vol. 1 No. 9: Agustus
Publisher : CV. Ulil Albab Corp

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

This research was conducted by designing a Gigabit Passive Optical Network (GPON) technology based on Fiber to the Home (FTTH) using the power link budget and the resulting attenuation parameters. This research was conducted due to the alleged lack of stability of the internet network. Research is carried out scientifically so that valid data is obtained with the aim of being able to find, manage, and prove certain knowledge. The results of the study obtained that the error value contained in each comparison of the total attenuation can be said to be stable because the error value is not more than 1%

Co-Authors A. A. SG. Mas Karunia Maharani A.A Ngurah Amrita Abd. Kholiq Agma Tinoe Mauludy Agus Anwar Eka Wahyudi Anak Agung Gede Oka Kessawa Adnyana Anak Agung Gede Oka Kessawa Adnyana Azra Ariel Azmir Azra Ariel Azmir Bhaskara, I Made Adi Darma Kotama, I Nyoman Dea Ramadhana Zsa Zsa Alifah Debbi Irfan Mudhoep Dewa Made Wiharta Duman Care Khrisne Gde Brahupadhya Subiksa Gede Iga Wilhamdika Gede Sukadarmika Hanandita Veda Saphira I G. A. K. Diafari Djuni Hartawan I Gede Agus Aditya Putra I Gede Agus Aditya Putra Aditya I Gusti Agung Anom Semara Putra I Gusti Ngurah Aditya Dharma I Gusti Ngurah Agung Widhiananda I Ketut Citra Adi Putra I Komang Dharmendra I Made Adi Bhaskara I Made Agung Pranata I Made Arsa Suyadnya I Made Bagus Wiradivka Laksa Wibawa I Made Oka Widyantara I Made Surya Sukma Mahardhika I N Satya Kumara I Nyoman Bernadus I Nyoman Gunantara I Putu Gede Panji Badra Mahayana I Wayan Andis Indrawan I Wayan Surya Pramana Ida Bagus A. Swamardika Imam Sucahyo Iskandar, Adi Panca Saputra Kadek Darmaastawan Kessawa Adnyana Gede Oka Anak Agung Kheri Arionadi Shobirin Komang Budiarta Leovin Leovin Linawati Linawati Made Dinda Pradnya Pramita Made Dinda Pradnya Pramita Made Dwi Mulyawan Made Dwi Mulyawan Made Sudarma Mita Anggaryani Mohammad Aryo Wibowo Muhammad Anshari Muhammad Habibbulloh Muhammad Ridwan Satrio Ni Luh Adriani Ni Made Ary Esta Dewi Wirastuti Ni Putu Sri Merta Suryani Nola Verli Herlian Nyoman Pramaita Nyoman Putra Sastra Philipus Novenando Mamang Weking Pratolo Rahardjo Putri Suardani Putri Suardani Putu Anggara Mahardika Putu Arya Mertasana Putu Bagus Hendrayana Surya Putu Bagus Indra Sukadiana Putra Putu Ratih Devyanti Putu Risanti Iswardani Putu Sri Merta Suryani Putu Vendi Arya Wibawa Rahadi, Putu Suta Adya Dharma Rezky Setyawan Rifky Lana Rahardian Risqa Purma Pratama Rukmi Sari Hartati Saputra, Aggry Satriawan, Muhammad TITIN SUNARTI Wayan Gede Ariastina Widyadi Setiawan Yoga Divayana Yogha Pramana Zaky Zamani Noor Zulfachmi, Zulfachmi “Prama Ade Prayitno

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