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All Journal Jurnal SPEKTRUM TELKOMNIKA (Telecommunication Computing Electronics and Control) Jurnal Informatika: Jurnal Pengembangan IT Jurnal SPEKTRUM

I Putu Elba Duta Nugraha

Universitas Trisakti

Author-ID : 2932797

Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering

Published : 11 Documents Claim Missing Document

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PERANCANGAN SISTEM MONITORING DAN KONTROL KUALITAS AIR SERTA PEMBERIAN PAKAN OTOMATIS PADA BUDIDAYA LELE BIOFLOK BERBASIS INTERNET OF THINGS Gde Dendy Denhero; I Putu Elba Duta Nugraha; Lie Jasa
Jurnal SPEKTRUM Vol 8 No 4 (2021): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Cultivation with a biofloc system has several advantages and disadvantages. Biofloccatfish cultivation technology is a technique to balance carbon and nitrogen levels in water toimprove pond water quality. However, cultivators must make observations in the cultivationpond water more often and carefully in order to prevent the increase in nitrogen levels. So,referring to this, a monitoring and control system for water quality and automatic feeding onbiofloc catfish cultivation was designed. The research was conducted by applying theexperimental method, in which the system is divided into three subsystems, namely waterquality monitoring, automatic water replacement, and automatic feeding. The results obtainedfrom conducting this research are in the form of tool trial data which will then be compared withdata from the program that has been made, as well as performance data from the automaticwater replacement subsystem and automatic feeding subsystem which were carried out for 5consecutive days. The conclusion of this research is that the design of a water qualitymonitoring and control system and automatic feeding on biofloc catfish cultivation based on theInternet of Things has been successfully made. In the automatic water replacement subsystem,the average relative error is 2.75%. In the automatic feeding subsystem, the average differencein feeding time is 14.5 seconds and the average relative error is 3.3%.

RANCANG BANGUN MODUL PRAKTIKUM SISTEM EMBEDDED BERBASIS RASPBERRY PI (PENGONTROLAN DASAR LED, LED DOT-MATRIX, DAN SEVEN SEGMENT DISPLAY) Muhammad Abdul Hadi; Pratolo Rahardjo; I Putu Elba Duta Nugraha
Jurnal SPEKTRUM Vol 8 No 2 (2021): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Embedded system is microprocessor-based systems that are used to perform certainfunctions. Embedded systems learning is very much needed, especially for students ofElectrical Engineering, Faculty of Engineering, Udayana University. This is evidenced by theexistence of a new course, namely the Embedded + Lab System. To support the convenienceof practicum in the laboratory, in this study, an Embedded+Lab System practical guide will bedesigned and built by utilizing the Single Board Microcomputer Raspberry Pi. It is hoped thatthis Embedded+Lab System practical guide will be useful for Electrical Engineering students,Faculty of Engineering, Udayana University. This research carried out several basic designsthat will be used in the Embedded System module 1 practical experiment, namely the design ofa Light Emitting Diode (LED) control, LED DOT-Matrix, and seven segment display. The designof each control system will generally be divided into two parts, namely hardware design andsoftware design. The results of this study are a box 1 system embedded practical module andpractical guides, as well as the design of each control system, all of which work well.

SISTEM MONITOR BUDI DAYA SARANG BURUNG WALET BERBASIS ESP32-CAM DILENGKAPI APLIKASI TELEGRAM Dani Maulana; I Gusti Agung Putu Raka Agung; I Putu Elba Duta Nugraha
Jurnal SPEKTRUM Vol 9 No 1 (2022): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Swiftlet nest farming is one of the businesses found in Indonesia due to its bigeconomic value. Nest quality at the time when harvest is able to impact the selling price ofswiftlet nest. Farmers usually monitor the swiftlet nest by checking the nest directly in thebuilding, this matters because the swiftlet is shocked. Monitoring is needed for checking thephysical condition of the swiftlet nest. This research will make a prototype hopefully useful toswiftlet nest farmers as a reference to increase nest quality with high economic value. Theresearch has been done on software and hardware design by ESP32-CAM and Arduino IDEsoftware for making the source code. The result from research of a monitoring system onswiftlet nest farming based ESP32-CAM equipped with telegram is able to send commandsmenu to telegram, capturing photo of swiftlet nest, turning on flash and turning off flash onESP32-CAM. The research has been realized successfully as design.

RANCANG BANGUN CONTROLLER BLDC BERBASIS MIKROKONTROLER STM32 BLUE PILL PADA KENDARAAN LISTRIK URBAN AGNIJAYA WEIMANA Mas Nyoman Ngadeg A. C.; I Nyoman Satya Kumara; I Putu Elba Duta Nugraha
Jurnal SPEKTRUM Vol 9 No 3 (2022): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

The increase in the consumption of fuel oil causes the depletion of fossil fuel reserves. One alternative energy solution that can be utilized is electrical energy. One of the efforts to overcome the energy crisis can be realized in a creativity in the energy efficient car contest (KMHE). The Weimana Team of Udayana University participated in the urban concept category of electric motor drive under the name Agnijaya Vehicle. One important aspect in order to be able to compete and win the competition is the Motor Controller. In this paper, the results of the research are presented on a design of a Brushless DC Motor Controller based on the STM32 Blue Pill microcontroller and used to rotate the BLDC motor on the Agnijaya Weimana Urban Electric Vehicle. The specifications of the BLDC controller design are made to have a power dissipation inverter with a power of 1980 Watt connected to an 800 Watt sensored BLDC motor. The STM32 Blue Pill microcontroller-based Brushless DC Motor Controller has been successfully designed and manufactured and produces a sinusoidal output waveform containing switching noise when connected to a no-load BLDC motor. The performance to drive Agnijaya Wimana's Urban Electric Vehicle is capable of implementing a PWM duty cycle of up to 100% with an average current achievement of 24,775 Ampere, an average voltage drop of up to 48,485 VDC, an average power rating of up to 1200,5 Watt and a BLDC motor speed up to 419,5 RPM.

ANALISA TEKNIS DAN EKONOMIS PEMANFAATAN PLTS OFF-GRID PADA SISTEM KENDALI TINGGI MUKA AIR PADA TANDON DI SEKAR ANUGERAH PENGLIPURAN Fadlikha Ramadhan, Fikri; Elba Duta Nugraha, I Putu; Janardana, I Gusti Ngurah
Jurnal SPEKTRUM Vol 11 No 2 (2024): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

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To fulfill thel daily need for clean water, it is necessary to expand the water supply system to reduce the risk of uncontrolled water use. Water Level Control (WLC) is a control system that can control water capacity according to what is required automatically. The design of the Off-Grid PLTS in Sekar Penglipuran as an energy supplier for the water level control system in the reservoir and the start of the pump in the reservoir. Utilization of PLTS in the operation of water level control systems in reservoirs as well as knowing the power generated and component requirements as well as the feasibility of investing in Off-Grid PLTS. This research includes the design of Off-Grid PLTS by analyzing technically and economically. The results of this research are that the Off-Grid PLTS design is estimated to be able to produce power for the control system needs of 525.76 Wp and can produce an energy yield of 932.575 kWh/year with a performance ratio of 85%. Designing a PLTS requires an initial investment cost of Rp. 70,330,605,- with an NPV of -Rp. 65,668,939,506,- so based on economic aspects, designing an Off-Grid PLTS is not worthy of investment.

RANCANG BANGUN SISTEM KENDALI TINGGI MUKA AIR PADA TANDON DENGAN WATER LEVEL CONTROL OMRON 61F-G-AP BERBASIS INTERNET OF THINGS (IOT) Ma’aliyal Ulya, Ahmad; Duta Nugraha, I Putu Elba; Raka Agung, IGAP.
Jurnal SPEKTRUM Vol 11 No 2 (2024): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

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The importance of maintaining the expansion of the water supply system needs to be increased to provide each individual's daily clean water needs. The Agroindustry was reliable in providing clean water itself. Sekar Anugrah Penglipuran was one of the Agroindustry in Penglipuran, Bangli that required a huge water supply. This issue could be supported by applying water level control technology to prevent wasting water. Water level control (WLC) is a modern technology system that is able to control and maintain the water capacity level as required automatically. This research aims to analyze the working and wiring of the IoT-based WLC Omron 61F-G-AP and its application in the agro-industrial sector of Sekar Anugrah Penglipuran. This research includes the design and construction of a control system with planning, design, and testing stages for 7 days with technical analysis. Based on the test, there is a difference in the results of the volume calculation with data obtained from the Thingspeak website. The value of volume differences between manual calculation and IoT system calculation because there is a decimal scale in the manual calculation and IoT system calculations are integer so it produces differences in calculation.

RANCANG BANGUN SISTEM WEB PADA PROTOTYPE STASIUN PENGISIAN KENDARAAN LISTRIK Agustadewa, Yosia; Rahardjo, Pratolo; Duta Nugraha, I Putu Elba
Jurnal SPEKTRUM Vol 11 No 2 (2024): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

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In 2023, sales of electric cars in Indonesia experienced a significant increase, reaching 10,327 units when compared to sales in 2021. The existence of electric vehicles requires supporting facilities for the existence of electric vehicles called charging stations. So that users can charge their electric vehicles, a system is needed that can control and monitor the charging of electric vehicles via the web. Web design using Next.js framework on the frontend and Go language on the backend. The web can start charging, stop charging, and display charging data graphs in real time. Web system testing on prototype charging station using BlackBox testing method and obtained eight valid test items.

RANCANG BANGUN MODUL TRAINER KIT SISTEM KENDALI BERBASIS DIGITAL Indra Christian, Febry; Rahardjo, Pratolo; Alit Swamardika, Ida Bagus; Divayana, Yoga; Oka Saputra, Komang; Elba Duta Nugraha, I Putu
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

A control system is defined as a combination of several components that aim to produce a system response in accordance with the desired process variables. Therefore, control systems are now widely used in various fields such as industry, automotive, public facilities, and household appliances. Especially in the industrial field, control systems play a role in improving production quality and reducing production costs. To create qualified human resources who have a good understanding in this field, universities have an important role in realizing this. One of them is Udayana University through the Electrical Engineering Study Program in the Independent Learning Curriculum in the Control System + Lab Course. This study aims to design a Digital-Based Control System + Lab Trainer Kit Module using Arduio Uno to support the process of implementing practicum in the laboratory. In the trainer kit module, there will be three systems designed, which are DC motor direction and speed control system using L298N motor driver, water heater control system using DS18B20 temperature sensor, and also water level control system using HC-SR04 ultrasonic sensor.

Co-Authors Agustadewa, Yosia Dani Maulana Fadlikha Ramadhan, Fikri Gde Dendy Denhero Gea, Susi Susanti Gede Sukadarmika I Gst Agung Putu Raka Agung I Gusti Made Bagus Kurniawan I N Satya Kumara I Wayan Arta Wijaya Ida Bagus A. Swamardika Indra Christian, Febry Indra Surjati Janardana, I Gusti Ngurah Langit, Sekar Lie Jasa Mas Nyoman Ngadeg A. C. Ma’aliyal Ulya, Ahmad Muhammad Abdul Hadi Ngurah Yowana Asta Prawangsa Oka Saputra, Komang Pratolo Rahardjo Raka Agung, IGAP. Sekar Langit Susi Susanti Gea Syah Alam Yoga Divayana

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