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All Journal Jurnal SPEKTRUM Jurnal Media Infotama Jurnal Sains dan Teknologi JUTEI (Jurnal Terapan Teknologi Informasi) SINTECH (Science and Information Technology) Journal Journal of Computer Science and Informatics Engineering (J-Cosine) Journal of Electrical, Electronics and Informatics SPEKTA (Jurnal Pengabdian Kepada Masyarakat : Teknologi dan Aplikasi) Jurnal Ilmiah Wahana Pendidikan Jurnal Riset Rumpun Ilmu Teknik (JURRITEK) Jurnal SPEKTRUM
I Made Arsa Suyadnya
Program Studi Teknik Elektro, Fakultas Teknik, Universitas Udayana
Religion Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Social Sciences Other

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RANCANG BANGUN SISTEM CHATBOT PEMESANANMENU MAKANAN DAN MINUMAN PADA RESTORAN BERBASIS TELEGRAM BOT DENGAN PENDEKATAN NATURAL LANGUAGE PROCESSING Nur Adl, Waliyin; Dwika Prihambodo, Prakoso; Care Khrisne, Duman; Arsa Suyadnya, I Made; Purnama, Fajar
Jurnal SPEKTRUM Vol 11 No 2 (2024): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

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

Abstract

In the era of technological advancement, especially in computer and artificial intelligence (AI), there is a significant impact on various fields, including the Food and Beverage business. The use of chatbots with AI technology enables human-computer interaction in natural language, facilitating efficient ordering, information, and customer services. Chatbots are based on Natural Language Processing (NLP) and are trained using Machine Learning techniques such as Artificial Neural Networks (ANN), with TensorFlow as the main tool. This provides ease, accuracy, and efficiency in customer service. From the conducted research, NLP- based reservation chatbots perform well and receive positive feedback from users in most aspects. Keywords: Chatbot, Artificial Intelligence (AI), Artificial Neural Network (ANN), NLP
Rancang Bangun Sistem Informasi Pengajuan Surat Fakultas Teknik Universitas Udayana Berbasis Website menggunakan Metode Scrum Sibuea, Dwik Andarilas; Pratama, I Nyoman Natha; Sitorus, David Samuel; Suyadnya, I Made Arsa; Iskandar, Adi Panca Saputra; Utami, Komang Sri
Jurnal Media Infotama Vol 21 No 1 (2025): April 2025
Publisher : UNIVED Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/jmi.v21i1.8162

Abstract

Fakultas Teknik Universitas Udayana (FT UNUD) still uses a manual system for letter submission, resulting in delays in delivering information to students and increasing the workload of administrative staff. Additionally, this manual system often causes errors in record-keeping and makes it difficult to track the submission status. To address this issue, the Sistem Informasi Pengajuan Surat (SIPS), a web-based letter submission system integrated with SIMAK-NG, was developed using the Scrum method. The development was carried out iteratively through several sprints, covering requirements analysis, system design, implementation, testing, and evaluation. Testing using the Black Box Testing method showed that all features in SIPS functioned according to the designed specifications. With this system, the letter submission process is expected to become faster, more structured, and more efficient. Moreover, SIPS allows students to monitor the status of their submissions in real-time, enhancing the transparency of administrative services. SIPS also supports document digitalization, helping to reduce paper usage and improve the effectiveness of academic data management. However, further evaluation is needed to assess the system's impact on operational efficiency and user satisfaction to ensure the optimization of academic services at FT UNUD. In the future, this system can continue to be developed with additional features, such as automated notifications and integration with other academic services.
Perancangan Hardware Sistem Monitoring Portabel Untuk Monitoring Arus dan Tegangan Listrik Menggunakan Raspberry Pi Negara, I Putu Bayu; Suyadnya, I Made Arsa; Sastra, Nyoman Putra
JST (Jurnal Sains dan Teknologi) Vol. 7 No. 1 (2018)
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (805.723 KB) | DOI: 10.23887/jstundiksha.v7i1.13003

Abstract

Sistem monitoring mencakup pengumpulan, pelaporan, dan tindakan atas informasi suatu proses yang sedang berlangsung di suatu ruangan. Salah satu hal yang dapat dimonitoring pada ruangan adalah tingkat penggunaan listrik. Pada penelitian ini, dilakukan perancangan hardware sistem monitoring portabel yang dapat memonitoring arus dan tegangan listrik AC. Desain hardware menggunakan prosessor Raspberry Pi untuk mengolah hasil pembacaan 4 buah sensor arus YHDC tipe SCT-013-000 dan sensor tegangan AC. Hardware dapat diakses melalui antarmuka konfigurasi berbasis web yang menampilkan konektivitas jaringan dan nilai dari sensor-sensor. Hasil pengujian sensor arus pada saluran listrik 3 fase RSTN dan pengujian sensor tegangan didapatkan bahwa LCD pada hardware dan antarmuka konfigurasi berbasis web telah berhasil menampilkan nilai pembacaan sensor-sensor. Hardware juga telah berhasil terhubung ke jaringan wireless “RUANGAN01”pada alamat IP 192.168.8.107. Keseluruhan fungsionalitas antarmuka konfigurasi hardware berbasis web seperti login, koneksi perangkat, konfigurasi “on” sensor, reboot, shutdown dan reset juga telah berfungsi dengan baik dan sesuai dengan rancangan.
Perancangan User Interface pada Sistem Smart Building Berbasis Internet of Things A. Jagad Miftahul Rizqy; I Nyoman Satya Kumara; I Made Arsa Suyadnya; I Wayan Sukerayasa
JURAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 3 (2025): Desember : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i3.6819

Abstract

The DH Building of the Electrical Engineering Study Program at Udayana University faces significant challenges in energy efficiency, as it still relies on conventional electrical systems. User negligence, such as forgetting to switch off lights and air conditioners (AC) after use, often results in unnecessary energy waste and increased operational costs. This issue highlights the urgent need for smart solutions capable of automating energy management, reducing waste caused by human error, and supporting the creation of a more efficient and sustainable campus environment. To address this problem, this study designs and implements a smart building system based on the Internet of Things (IoT). The system employs a NodeMCU ESP32 microcontroller as the main processing unit, integrated with a series of sensors including a DHT22 sensor for monitoring temperature and humidity, an MQ2 sensor for smoke detection, a PIR sensor for motion detection, and a PZEM-004T sensor for monitoring energy consumption. Control of electronic devices such as lights and AC units is carried out both automatically and manually through relay modules connected to the system. All sensor data and control functions are accessed via a web interface developed using the Laravel framework and a MySQL database. The testing results indicate that the designed system was successfully implemented and functions as expected. Sensor testing demonstrated high accuracy compared to standard measuring instruments, while the electronic device control system achieved an average response time of approximately 3.6 seconds, proving its reliability. Overall, the system provides a comprehensive solution for energy consumption monitoring and control, while also enhancing comfort and safety in the DH Building, in line with the goals of energy efficiency and facility modernization.
RANCANG BANGUN APLIKASI ONLINE UNTUK TEST MINAT BAKAT SISWA SMA DENGAN METODE RIASEC Palaguna, I Nyoman Terang Trimakna; Yuliansyah, Alfian Fahrul; Sudarma, Made; Suyadnya, I Made Arsa
Jurnal Ilmiah Wahana Pendidikan Vol 10 No 1 (2024): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.10469670

Abstract

This study aims to design and develop online applications with the aim of identifying the interests and talents of high school students using the RIASEC (Realistic, Investigative, Artistic, Social, Enterprising, Conventional) method. This application is intended to help students understand their interests and talents as well as provide guidance in choosing the appropriate educational and career path. The RIASEC method has proven to be an effective tool in analyzing individual interests and talents based on six personality types. This method will be integrated into the application to provide relevant questions and tests to assess student interest and talent. The application will be developed with a user-friendly interface to facilitate easy navigation and accurate evaluation for students. This research will focus on high school students as the main research subject. The data required for the operation of the application will be collected through surveys and interviews involving students from various high schools. In addition, a literature review will be carried out to ensure the accuracy and reliability of the RIASEC method in identifying students' interests and talents. The results of this study are expected to demonstrate the effectiveness of online applications in identifying the interests and talents of high school students using the RIASEC method. The application can be a valuable tool for students, parents and teachers in guiding students towards educational and career choices that match their interests and talents.
ANALISIS UI/UX PADA DESAIN OASE MENGGUNAKAN METODE HEURISTICEVALUATION DAN WEBUSE Putra Sentana, Kadek Wibawa; Faridzky, Fadel; Sudarma, Made; Suyadnya, I Made Arsa; Khrisne, Duman Care
Jurnal Ilmiah Wahana Pendidikan Vol 10 No 1 (2024): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.10467416

Abstract

Learning Management System (LMS) is a system to manage learning and lecturer-student interaction. Udayana University has an LMS called OASE, which supports online and blended learning. OASE has some UI/UX issues such as login problem, rigid interface, and slow upload. UI/UX usage is important for website performance. UI/UX analysis involves Heuristic Evaluation and WEBUSE. Heuristic Evaluation focuses on appearance, while WEBUSE on user experience. OASE analysis with these methods aims to improve performance and measure UI/UX. This research aims to analyze the User Interface (UI) and User Experience (UX) of the OASE e-learning service at Udayana University Bali. The methods used in this research are Heuristic Evaluation and WebUSE to identify potential problems and assess user satisfaction in using the e-learning platform. The results of this evaluation will identify errors or problems that exist in layout, navigation, interaction, and other design aspects. Furthermore, a WEBUSE analysis was conducted by collecting data from users of the OASE e-learning service. The participants involved in this research are students and lecturers who have used OASE. The results of this research will provide a comprehensive picture of potential problems in the UI/UX of the OASE e-learning service at Udayana University Bali. The findings of the Heuristic Evaluation will serve as a guide for design improvements, while the WebUSE analysis will provide insights into user preferences for further improvements.
REKAYASA SISTEM PRESENSI KLINIK KESEHATAN BERBASIS APLIKASI MOBILE I Made Cakra Pustaka1; I Ketut Putra Swastika; I Kadek Agung Bagus Satria Bumi Kelana; Made Sudarma; I Made Arsa Suyadnya; Duman Care Khrisne
Jurnal SPEKTRUM Vol. 12 No. 3 (2025): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/SPEKTRUM.2025.v12.i03.p4

Abstract

Manual attendance systems in health clinics are often ineffective, reducing service quality, and increasing operational costs. This study designed an integrated digital attendance system with a mobile application for medical personnel and an admin website aimed at improving the efficiency and accuracy of attendance management. Development followed the Waterfall SDLC model, while testing included Black-Box Testing, Cognitive Walkthrough (CW), and System Usability Scale (SUS). The mobile application supports in-clinic/out-of-clinic attendance (Wi-Fi validation, geolocation, selfie photos, documents), leave requests, work schedules, attendance recaps, and pay slips. The admin website facilitates employee data management, attendance and leave validation, work schedule creation, and salary and attendance recaps. Black-Box Testing results showed success in all functional scenarios; CW recorded 96% effectiveness (mobile) and 98% (website) with very fast efficiency; SUS scores of 76.42 and 76.07, respectively, indicating good usability; and API testing proved smooth data integration. This system has been proven to be functional, effective, efficient, and ready to be implemented in health clinics.
RANCANG BANGUN SISTEM MONITORING PERTANIAN HIDROPONIK BERBASIS IoT DAN APLIKASI MOBILE (HYDROTECH) I Putu Prasna Mahardika; Putu Pande Deva Ryana Putra; Duman Care Khrisne; I Made Arsa Suyadnya
Jurnal SPEKTRUM Vol. 12 No. 3 (2025): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/SPEKTRUM.2025.v12.i03.p13

Abstract

Urban agricultural land conversion encourages the use of hydroponic systems. However, people's busy lives make it difficult to monitor the nutrition and environment of hydroponic plants. This study developed a monitoring system called Hydrotech, an IoT-based hydroponic monitoring system with an ESP32 microcontroller and pH, TDS, temperature (DS18B20), and water level sensors. Data from the sensors is sent to Firebase and displayed through a mobile application. The method used is an experiment and literature study. Testing was carried out by planting lettuce using the Hydrotech system to evaluate its performance. Primary data was obtained from device testing which includes data from research on the sensors used, while secondary data was obtained from previous research sensor data as a comparison with the current study. The results of this study indicate that the four sensors used, namely the pH, TDS, water level, and temperature DS18B20 sensors, can function properly. Hydrotech is also equipped with an Android application to display sensor data in real time and present historical data for each sensor used for further analysis on hydroponic plants. The Hydrotech application is also filled with a planting calendar as a reminder of planting and harvesting times for hydroponic plants. This Hydrotech monitoring system helps city residents manage hydroponics optimally and efficiently in terms of both energy and time.
PEMANFAATAN INTERNET OF THINGS (IOT) PADA PERANCANGAN SISTEM BANGUNAN CERDAS Komang Bagus Dwi Widiatama Putra; I Nyoman Satya Kumara; I Wayan Sukerayasa; I Made Arsa Suyadnya
Jurnal SPEKTRUM Vol. 12 No. 3 (2025): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/SPEKTRUM.2025.v12.i03.p17

Abstract

The development of Internet of Things (IoT) technology has made a significant contribution to the design of smart building systems. This research discusses the utilization of IoT in designing smart building systems based on previous studies. The focus of the discussion includes the use of controllers, various types of sensors and control devices, and system scope. By understanding the use of IoT devices and the approaches used in prior research, this study is expected to serve as a reference in the development of smart building systems to be more adaptive and efficient in the future.
Co-Authors A. Jagad Miftahul Rizqy A.A Raka Novi Aristi AA Ngurah Cakra Khana Ade Aprilio Kedeo Adinda Hermawan, Salsabila Adisti Anjani Putri Agung, I Gusti Agung Pt Raka Agus Wisnu Kusuma Nata Anak Agung Dewi Sintyarianti Anak Agung Ngurah Amrita Anak Agung Ngurah Prawira Yudha Andrew Dwi Permana Arya Mertasana , Putu Aulia, Faraz Muhammad Bayu Andika Virgunzena Damayanti, Dewi Ayu Sulistyo Darma Kotama, I Nyoman Dewa Gede Dede Pramana Dewa Made Wiharta Dharma Dutaluhur Artha Lesmana Duman Care Khrisne Duman Care Khrisne Duman Care Khrisne Dwika Prihambodo, Prakoso Edo Halim Saputra Endika Ginting, Alloy Fajar Purnama Faraz Muhammad Aulia Faridzky, Fadel Ferry yudhitama putra Gede Iga Wilhamdika Gede Putu Nuratjaya Gede Sukadarmika Guna, Putu Ivan Adi Hartawan, I Gusti Agung Komang Dlafari Djuni I Dewa Gede Nala Wilantika I G. A. K. Diafari Djuni Hartawan I Gede Agus Satya Dharma I Gede Andhika Putra I Gede Herry Juniartha I Gede Juliantara Putra I Gst Agung Alit Wismaya I Gst Agung Putu Raka Agung I Gusti Agung Gede Mega Perbawa I Gusti Made Panji Indrawinatha I Gusti Ngurah Agung Widhiananda I Kadek Agung Bagus Satria Bumi Kelana I Kadek Sastrawan I Ketut Putra Swastika I Made Artawan I Made Cakra Pustaka1 I Made Dedi Pradnya Iswara I Made Oka Widyantara I MADE SUDARMA I Made Wismadi I N Satya Kumara I Nyoman Piarsa I Putu Arya Putrawan I Putu Prasna Mahardika I Putu Wahyu Eka Suryawan I Wayan Adi Setyadi I Wayan Arta Wijaya I Wayan Shandyasa I Wayan Shandyasa I Wayan Sukerayasa Ida Ayu Kaniya Pradnya Paramitha Ida Bagus A. Swamardika Ida Bagus Darma Putra Ida Bagus Putu Sudarma Putra Irvan Dinda Prakoso Iskandar, Adi Panca Saputra Jayantara Adiputra, A A Bagus Kadek Utari Widiarsini Kadek Yogi Saputra Karda, Putu Adistyanda Timoti Raja Komang Bagus Dwi Widiatama Putra Komang Isabella Anasthasia Komang Oka Saputra Krisna Hany Indrani M. Ardi Fermanta Made Sudarma Made Sudarma Made Sudarma Sudarma Maulana Hendarwan, Iqbal Mkwawa, Is-haka Mohammad Aryo Wibowo Negara, I Putu Bayu Negara, I Putu Bayu Ni Komang Sukri Antariani Ni Made Ananda Putri Pratiwi Ni Made Ary Esta Dewi Wirastuti Ni Made Ary Esta Dewi Wirastuti Ni Made Dwi Antari Nunut Asihanna, Ester Nur Adl, Waliyin Nyoman Arsa Suartana Nyoman Putra Sastra Nyoman Swastika Dharma Palaguna, I Nyoman Terang Trimakna Pande Gede Wipradnyana Pratama, I Nyoman Natha Puspitawati, Luh Eka Putra Dharma, Wisnu Wardhana Putra Sentana, Kadek Wibawa Putu Adistyanda Timoti Raja Karda Putu Anggara Mahardika Putu Arya Mertasana Putu Bagus Satria Paramartha Putu Pande Deva Ryana Putra Rahel Kristina Prajnyawati Rizky Muharram Julyanto Robbani Punggawa Arcapada Ruth Damayanti Patricia Simamora Sari Dewi Hartanto, Dessy Ratna Satria Paramartha, Putu Bagus Sibuea, Dwik Andarilas Sitorus, David Samuel Utami, Komang Sri Wahyu Rizki Arifianto Widyadi Setiawan Wijaya Kusuma Yasa, Kadek Yogi Prawira Putra Yuliansyah, Alfian Fahrul