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All Journal Lontar Komputer: Jurnal Ilmiah Teknologi Informasi Buletin Udayana Mengabdi Jurnal SPEKTRUM Majalah Ilmiah Teknologi Elektro TELKOMNIKA (Telecommunication Computing Electronics and Control) Bulletin of Electrical Engineering and Informatics Jurnal Ilmiah Kursor International Journal of Engineering and Emerging Technology Informatika Jurnal Teknik Industri Terintegrasi (JUTIN) Jurnal Riset Sistem Informasi dan Teknologi Informasi (JURSISTEKNI) Journal of Artificial Intelligence and Digital Business Majalah Ilmiah Teknologi Elektro Majalah Ilmiah Teknologi Elektro
Lie Jasa
Electrical Engineering Department, Udayana University
Chemical Engineering, Chemistry & Bioengineering 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 Library & Information Science Mechanical Engineering Other

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Penerapan Metode Forward Chaining Untuk Rekomendasi Instalasi Local Area Network (LAN) Surya Pramana; Lie Jasa
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.P03

Abstract

Local Area Network (LAN) installation requires a special experience in selecting installation hardware and determining Internet Protocol (IP) addresses. However, cost of renting an IT network installer is very expensive, due that installation in medium and small scale companies is done by self-help, which is can be very detrimental. Based on that problem, the research was conducted with aim of helping medium and small scale companies to get recommendations for their company's LAN installations without hiring IT network installer by applying forward chaining method. This research produces 12 rules, which created based on parameters used, where recommendations are given based on conclusions that obtained from those rules. Usability testing is carried out using System Usability Scale (SUS) method and obtained result of 81. This indicates that method's usability is in an acceptable grade.
Perbandingan Karakteristik Kinerja Sudu Turbin Setengah Lingkaran dengan Turbin NEST-LIE pada Prototipe Pembangkit Listrik Tenaga Mikro Hidro Nia Paramitha; Lie Jasa; I Gusti Ngurah Janardana
Jurnal Teknologi Elektro Vol 20 No 1 (2021): (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.2021.v20i01.P14

Abstract

Abstract— Through this research, the writer wants to make a performance comparison of two variant kinds of turbines by changing several parameters. The turbines that will be compared are the turbine with semicircular blades and the NEST-LIE turbine. The comparison of turbine performance intended in this study is the comparison of the output power and efficiency of the turbine on predetermined parameters. In this study, the parameters that have to be used are nozzle angle 00, 50, 100, 150, 200, and nozzle position at an angle of 00, 150, 300, and 450. The performance characteristics of the turbine that will be measured are the angular velocity (rpm) of each turbine and the amount of turbine output power. Based on the research results, the semicircular turbine produces the highest turbine and generator rotation speed at nozzle position 450 and nozzle angle of 100. With turbine rotation of 168.6 rpm, generator rotation of 751 rpm, the output power of 0.0213 VA, and torque of 0.00276 Nm. While the NEST-LIE turbine produces the highest turbine and generator rotation speed at nozzle position 450 and nozzle angle of 50. With a turbine rotation of 342.4 rpm and a generator rotation of 1349 rpm, the output power is 0.1802 VA and torque of 0.00503 Nm. Intisari— Melalui penelitian ini penulis ingin melakukan perbandingan terhadap kinerja dua jenis turbin yang berbeda dengan mengubah beberapa parameter. Turbin yang akan dibandingkan adalah turbin dengan sudu setengah lingkaran dan turbin NEST-LIE. Perbandingan kinerja turbin yang dimaksudkan pada penelitian ini adalah perbandingan daya output dan efiseinsi turbin pada parameter yang telah ditentukan. Pada penelitian ini, parameter yang akan digunakan adalah sudut nozzle 00, 50, 100, 150, 200, dan posisi nozzle pada sudut 00, 150, 300 dan 450. Karakteristik kinerja turbin yang nantinya akan diukur adalah besarnya kecepatan sudut (rpm) masing-masing turbin dan besarnya daya output turbin. Berdasarkan hasil penelitian, turbin setengah lingkaran menghasilkan kecepatan putaran turbin dan generator tertinggi di posisi nozzle 450 dan sudut nozzle 100. Dengan putaran turbin sebesar 168,6 rpm, putaran generator sebesar 751 rpm, daya output sebesar 0.0213 VA dan torsi sebesar 0.00276 Nm. Sedangkan pada turbin NEST-LIE menghasilkan kecepatan putaran turbin dan generator tertinggi di posisi nozzle 450 dan sudut nozzle 50. Dengan putaran turbin sebesar 342,4 rpm dan putaran generator sebesar 1349 rpm, daya output sebesar 0.1802 VA dan torsi sebesar 0.00503 Nm. Kata Kunci— PLTMH, Water turbine, Nozzle angle, Nozzle position.
Penerapan Metode Analytical Hierarchy Process pada Rekomendasi Keputusan Pemilihan SIM Card Provider Gde Brahupadhya Subiksa; Lie Jasa
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.P01

Abstract

Abstract—SIM card provider is the center of mobile telecommunication such as telephones, texting, Internet or Blackberry messenger. Lately, the SIM card business development is be marked more kinds of SIM card offered by the provider company with various brands, features and facilities. This causes consumers find it difficult to choose the SIM card that suits their needs such as the phone call need, texting need, Internet and Blackberry package, and bonus that the consumer wants. From the problems above, consumer need a decision support system that can gives SIM card recommendation which suits the consumer’s needs. The SIM card provider decision-making selection can be complex because of the multiple purposes of consumer. One of the tools that are suitable to use for SIM card sorting priority is Analytic Hierarchy Process (AHP) that is developed by Thomas L. Saaty. The final result from this thesis is a system of SIM card provider selection decision-making support which suits with the consumer’s needs. The system is tested with data collection by using questionnaire, which aims to obtain data that is more accurate about the usefulness of the system that has been created. Data collection are through the 30 respondents who tried the system from the user side and 5 respondents who filled out questionnaires from the administrator side. The results of the data collection and analysis of data collected declare that this system has its deficiency, especially the difficulty of priority weighting of both.
Literatur Review Analisis metode De-Militarized Zone (DMZ) dan Switch Port Security Sebagai Metode Keamanan Jaringan Ni Komang Ayu Sri Anggreni; Lie Jasa
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.P06

Abstract

Over time, the development of technology is very rapid. It is certainly inseparable from the role of networks that can connect devices to be able to exchange information. Therefore, there is a need to secure computer networks to prevent cyber crime. The most commonly used attacks are Port Scanning and DoS (Denial Of Service). There are various ways to secure a computer network, one of which is by Switching port security. In addition to using Switch port security, the technique for securing network crimes is to use the De-Militarized Zone (DMZ). This study aims to compare network security performance with the Port security and DMZ methods where the tests obtained based on the review literature concluded that the use of the DMZ method carries out security by filtering requests by clients through firewall routers while Port security can provide security to the network by providing access to the server to registered ports only.
Rancang Bangun Sistem IT-Helpdesk Untuk Maintenance dan Tutorial Aplikasi Simplebiz Menggunakan Metode Forward Chaining dan Certainty Factor I Gusti Ngurah Wira Partha; Rukmi Sari Hartati; Lie Jasa
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.P16

Abstract

Simplebiz application is a general term for 20 desktop-based business applications that have been built and developed by PT. Bamboomedia Cipta Persada. Until now, the number of users of the simplebiz application throughout Indonesia has reached 10,508 people, while the number of technical support in the IT-helpdesk division at PT. Bamboomedia Cipta Persada only 2 people. Based on these problems, it is necessary to have a system that can be used by users of the simplebiz application to obtain solutions to the problems they face, as if they were consulting directly with a technical support, so that it is expected to be able to help technical support in the IT-helpdesk division at PT. Bamboomedia Cipta Persada in handling and reducing the number of complaints received either face-to-face, by telephone, or via SMS. In this research, an IT-helpdesk system for maintenance and simplebiz application tutorial has been successfully designed and built using forward chaining and certainty factor Methods. The percentage of confidence from the solution generated by the system to the problems faced by simplebiz application users is 80% and the level of confidence from the output to the contribution of solving the problem is ALMOST SURE.
Pemanfaatan ED-255EK Embedded Education Platform sebagai Modul Praktikum Embedded System Berbasis Linux I Gst Md Ngurah Bimantara; I Gusti Agung Pt Raka Agung; Lie Jasa
Jurnal Teknologi Elektro Vol 17 No 2 (2018): (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.2018.v17i02.P16

Abstract

The development of embedded systems is of particular concern to the field of technology. Embedded systems have been widely applied in everyday life, such as automatic washing machines, electric stoves, radios, and so forth. So as to give indirect demands to understand the basic configuration of the application of embedded system itself. Learning about the basics of embedded system application can be done using ED-255EK Embedded Education Platform. ED-255EK is powered by an Intel XScale PXA255 CPU that is compatible with ARM Version 5TE ISA, Linux operating system, adopts RISC super-pipeline, and operates at 200/300/400 Mhz with low power consumption. How to operate ED-255EK is to configure the operating system first, such as package upgrades, network configuration and serial communication. Followed by configuration on ED-255EK which includes downloading file system and setting IP Address. The final step is the configuration of the module, which includes the installation of driver files and application programs, so that the input data provided will be displayed on the ED-255EK module and serialized also displayed on the laptop screen. The modules used are LED, LCD, DOT-Matrix, FND, Key-pad, DIP-Switch, Motor Stepper, IrDA, RF, and uWave modules.
Monitoring System Kecepatan dan Arah Angin Berbasis Internet of Things (IoT) Menggunakan Raspberry Pi 3 Makmur Fernando; Lie Jasa; 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.P18

Abstract

Wind is a natural resource that has many benefits for human life, for example, wind can be used to generate electricity, namely the wind power plant, for aircraft navigation purposes during takeoff and landing, as well as for aerospace sports such as paragliding, parasailing and aeromodeling. The existence of wind can also be detrimental to mankind, such as the existence of extreme weather that allows hurricanes, rainstorms, floods and landslides and high sea waves. This study expects to design a prototype tool monitoring system for wind speed and wind vane based on the Internet of Things (IoT) using the Raspberry Pi 3 model B+ as a data processor that can give data abouttwind speed and direction of the wind in realtime and can be accessed remotely when connected to the internet network. Test data read from the sensors displayed on the LCD 16 x 2 and sent to the web server using a router with the goal that it tends to be monitored online by the user with an internet connection. Wind speed data is read in rotations per minute (rpm) and wind direction data can detect up to 16 wind directions. The conclusion of this study is that the based wind speed and wind direction monitoring system Internet of Things (IoT) using Raspberry Pi 3 Model B+ can work properly. Wind speed and wind course information are stored in a database, which can be accessed on web the Telegram in realtime. Data transmission of wind speed and wind directions takes place every 1 minute.
RANCANG BANGUN PEMODELAN PEMBANGKIT LISTRIK TENAGA MIKRO HIDRO (PLTMH) MENGGUNAKAN KINCIR OVERSHOT WHEEL I Wayan Budiarsana Saputra; Antonius Ibi Weking; Lie Jasa
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.v16i02p09

Abstract

Ketergantungan pembangkit listrik terhadap sumber energi seperti minyak solar, gas alam dan batubara yang hampir mencapai 75%, mendorong dikembangkannya energi terbarukan sebagai upaya untuk memenuhi pasokan listrik. Pada penelitian ini telah dirancang pemodelan PLTMH menggunakan kincir overshot wheel dengan bentuk sudu setengah lingkaran, diameter kincir 50cm, dan 16 jumlah sudu. Pada pemodelan ini debit air 0,1 lt/s dan head 0,6 meter. Pengukuran yang dilakukan berdasarkan posisi jatuhnya air terhadap kincir, dari posisi sudut nozzle 00, 50, 100, 150, 200, 250, 300, 350 dan 400.
Implementasi Algoritma FP-Growth dengan Closure Table untuk Penemuan Frequent Itemset pada Keranjang Belanja I Gusti Agung Indrawan; Made Sudarma; Lie Jasa
Jurnal Teknologi Elektro Vol 17 No 2 (2018): (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.2018.v17i02.P06

Abstract

Algoritma FP-growth adalah algoritma data mining yang digunakan untuk menemukan frequent itemset pada data keranjang belanja. Frequent itemset adalah kelompok barang yang sering dibeli bersamaan dalam satu keranjang belanja. Analisa frequent itemset akan menghasilkan aturan asosiasi. Algoritma FP-growth menemukan frequent itemset dengan mengkompresi data keranjang belanja ke struktur data tree yang disebut FP-tree. FP-tree kemudian dianalisa untuk mengekstrak frequent itemset. Data keranjang belanja selalu bertambah jumlahnya untuk setiap transaksi yang terjadi, sehingga proses penemuan frequent itemset akan membuat FP-tree dari awal secara berulang-ulang setiap kali algoritma FP-growth dijalankan. Agar FP-tree tidak perlu dibuat ulang dari awal setiap kali algoritma FP-growth dijalankan, maka FP-tree perlu disimpan pada media penyimpanan menggunakan format yang sesuai dengan struktur data tree. Penelitian ini menyimpan FP-tree ke tabel pada database dengan struktur closure table. Struktur closure table memiliki beberapa keunggulan sehingga cocok digunakan untuk menyimpan struktur data tree.
Penerapan Web Scraping Sebagai Media Pencarian dan Menyimpan Artikel Ilmiah Secara Otomatis Berdasarkan Keyword Veronica Ambassador Flores; Putri Agung Permatasari; Lie Jasa
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.P06

Abstract

A scientific article is a reference that is usually used by a student or researcher to make a study. Scientific articles can be searched freely on the Internet, but the search process is often time-consuming due to the large number of scientific articles on the Internet. This search can be done automatically by utilizing the Web Scraping Technique as a data collection technique on a website on the Internet. Depth First Search (DFS) method is a search method that can be used to do web Scraping on the Internet. This system works by processing Keywords in the form of Keywords from the topic of scientific articles to be searched for given by the user. Then the system will send a request to the server to look for links related to these Keywords. After the search results have been found, the system will automatically download and save the article format .pdf to the user's computer. The results of this study indicate that 134 articles that were successfully downloaded using this system show that this system can work very well to search for scientific articles with a level of relevance between the articles searched for articles downloaded by 99%.
Co-Authors A. Andriani A.A Ngurah Amrita A.I. Weking Achmad Bahri Aditya Pradana, Aditya Alif Rizqian Aki Amalia, Zakiyah Anak Agung Istri Ngurah Marhaeni angga kharisma krishnastana Antonius Ibi Weking Antonius Ibi Weking Ardy Wijaya Ardyono Priyadi Dalimunthe, Ernando Rizki Daniel Kristama Dewa Made Wiharta donny christiawan Duman Care Khrisne Dwi Suryadewi Dzaudan, Daffa Efina Marianis Eka Lilla Ananta Elka Pranita Ernando Rizki Dalimunthe G M Arya Sasmita Gde Brahupadhya Subiksa Gde Dendy Denhero Gede Pudja Dianda Mayapada Gregory Rama Darantiah Ruing Gusri, Khaeril H. Daniel Hindro Kusumo Wahid I B GD Siwa Puja Bujawan I Gede Abi Yodita Utama I Gede Agus Darmawan I Gede Ngurah Arya Raditya I Gede Widnyana Putra I Gst Agung Putu Raka Agung I Gst Md Ngurah Bimantara I Gusti Agung Indrawan I Gusti Agung Made Yoga Mahaputra I Gusti Ngurah Agastya Citranath I Gusti Ngurah Agung Jaya Sasmita I Gusti Ngurah Saputra I Gusti Ngurah Wira Partha I Gusti Putu Andhita Mahayana I Gusti Putu Mastawan Eka Putra I Kadek Ardika I ketut Gede Darma Putra I Ketut Wiryajati I Made Anand Gopal I Made Ardika Tommy Saputra I Made Suartika I Made Sukarsa I N Satya Kumara I Nyoman Setiawan I Nyoman Wira Mastika I Putu Ardana I Putu Elba Duta Nugraha I Putu Juliana I Putu Wahyu Indra Wedanta I Wayan Arta Wijaya I Wayan Budiarsana Saputra I Wayan Sukerayasa I. K. A. Handayana I. K. A. Sukariawan I.D.N.A. Purnata I.G.N.S. Bramantha P I.K.H. Valentino I.P. Ardana I.P. Kuswara A P Ida Ayu Dwi Giriantari Ida Ayu Sri Sinta Anjani Ida Bagus Agung Eka Mandala Putra Ida Bagus Dwiki Dharma Putra Ida Bagus Gede Manuaba Ida Bagus Krishna Putra IWA Wijaya Jaka Persada Sembiring Joannes Mario Graciano Kapu Kadek Darmaastawan Kadek Rekha Agustha Kapu, Joannes Mario Graciano l Gusti Ngurah Janardana L.G.M. Karisma Linawati Linawati Made Dinda Pradnya Pramita Made Sri Indra Dewi Adnyana Made Sudarma Makmur Fernando Manuaba, Ida Bagus Gede Mauridhi Hery Mauridhi Hery Purnomo Moch Deny Triatmaja Nanda Dana Pala Naradhiya, Gede Ni Komang Ayu Sri Anggreni Ni Wayan Lusiani Nia Paramitha Novia Utami Putri Nyoman Putra Sastra P. A. S. Cempaka Pala, Nanda Dana Pedro Paulo De J. Costa Henriques Pranita, Elka Pratolo Rahardjo Putra Maulidin, Mohammad Putri Agung Permata Sari Putu Althea Putri Wiradani Putu Ardana Putu Arya Mertasana Putu Lanang Bagus Suputra Jaya Amertha Putu Risanti Iswardani Rama Beta Herdian Ratna Ika Putri Ronilaya, Ferdian Rukmi Sari Hartati Rukmi Sari Hartati Santiari, Dewa Ayu Sri Saputra, Dharma Bagus Semuel Kete Sarungallo Sianturi, Rednal Josua Sihaloho, Martin Luhut Ariberthson Situmeang, Tom Gerraldo Salomo Surya Pramana Suryadewi, Dwi Syamsiana, Ika Noer Togatorop, Josua Febrian Triatmaja, Moch Deny Trivania, Irene Veronica Ambassador Flores Wiener Nixon Nababan Wijaya, Arta Y. Lapian Yanu Prapto Sudarmojo Yanu Prapto Sudarmojo Zulfachmi, Zulfachmi