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Bambang Sutopo
Universitas Gadjah Mada
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering

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Kendali Penyimpan Energi Listrik untuk Aplikasi Mikrogrid Hilman Zarory; F. Danang Wijaya; Bambang Sutopo
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 3 No 2: Mei 2014
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

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Abstract

The design of the inverter control system aims to regulate active power and reactive power flows from the batteries through the three-phase inverter. Reference power generated manually to compensate the active and reactive power required by microgrid. Modelling done by the transformation clarke-park to design close loop system with PI (Proportional Integral) control so that the current flows in the inverter is maintained at the reference value. PLL (Phase Locked Loop) is used to synchronize inverter and grid. The simulation result shows that the system can work very well and the voltage or frequency of microgrid maintained under normal conditions.
Perancangan Jaringan Nirkabel untuk Infrastruktur Monitoring Deformasi Bendungan Sermo Addin Suwastono; Bambang Sutopo; Litasari
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 1 No 3: Agustus 2012
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

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Abstract

Wireless local area networks is used by Sermo’s GNSS-CORS to renew its reference position from Department of Engineering Universitas Gadjah Mada’s CORS.The problem is, that wireless local area network should meet the bandwidth requirement and the operation should not break the frequency usage regulation in Indonesia.This reseach was conducted to study the bandwidth needs of Sermo’s dam deformation monitoring system, to design the topology, and calculating EIRP of all wireless network link in the system that meet the regulations of the Ministry of Communications and Information Republik of Indonesia. Wireless local area networks was built to connect Sermo, Faculty of Engineering Universitas Gadjah Mada and Balai Besar Wilayah Sungai Serayu Opak’s office.Design implementation and testing of broadband wireless equipment at unlicence frequency of 2.4 GHz (Motorola PTP 100) and 5.8 GHz (Motorola Motorola PTP and PTMP 5750AP/5760SM 58 300) resulted in 2.22 Mbps bandwidth that is much greater than that required, 128.7 kbps, and the average round trip delay of 19.2 ms. Antenna alignment information can be used as a reference for wireless communications equipment maintenance.
Sistem Kontrol Suhu dan Laju Pemanasan Alat Pirolisis Muhammad Amiruddin; Bambang Sutopo; Rochmadi
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 1 No 3: Agustus 2012
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

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Abstract

In the process of pyrolysis, heating rate and temperature is an important parameter to be controlled, because it affects the results of the process. Temperature of the heating process in the heating chamber dimensions 35cm × 20cm × 20cm, monitored with a thermocouple type K that have a measurement range of -200°C to 1300°C. Setting the heating element uses AC voltage control TRIAC phase control method. Control system using fuzzy logic control with input variable E (error), CE (change of error), the delay time of TRIAC trigger and temperature process to produce a variable output of delay time change of TRIAC trigger involving fuzzy rules. The results of this study have produced a system of control ranges from 0° to 700°C, and is able to provide maximum heating rate of 9.9°C/min over a temperature range of 100°C to 200°C and heating rate of a minimum of 4, 4°C/min over a temperature range of 600°C to 700°C. In descriptive statistics, temperature control has a maximum temperature range in 8.9°C at 700°C setpoint and the maximum standard deviation of 2.2 at 500°C setpoint.
Co-Authors Addin Suwastono, Addin Fransisco Danang Wijaya Hilman Zarory Litasari Muhammad Amiruddin Rochmadi