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All Journal EPSILON: Journal of Electrical Engineering and Information Technology
Irawan Saputra, Dede
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Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering

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Pemodelan Dan Simulasi Antenna Microstrip Array Single, 1x2, 1x4, Dan 1x8 Elemen Patch Untuk Aplikasi Radar Manpack Irawan Saputra, Dede; Thaufiq Sabtiawan; Yussi Perdana Saputera
EPSILON: Journal of Electrical Engineering and Information Technology Vol 21 No 2 (2023): EPSILON: Journal of Electrical Engineering and Information Technology
Publisher : Department of Electrical Engineering, UNJANI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55893/epsilon.v21i2.103

Abstract

Microstrip antena can be the main choice in various communication applications because it has a fairly light mass and small size when compared to other types of antenas such as dipole antenas, yagi and so on. To know about the workings of radar. Use the CST Studio Suite application to simulate and analyze the difference in gain of the single antena, 1x2, 1x4, 1x8 arrays that have been made. From the results obtained from Gain with single Gain 1.73 dB, Array 1x2 Gain 2.97dB, Array 1x4 Gain 5.5 dB, Array 1x8 Gain 7.46 dBA Single Microstrip antena has small dimensions that can work at high frequencies However, this single patch Microstrip Antena has a weakness in the amount of radiant power (Gain), and a large polarization angle, to reduce the weakness of this single patch Microstrip Antena.
Simulasi Disturbance Observer pada Sistem Kendali Aliran Cairan Berbasis Mikrokontroler Irawan Saputra, Dede; Lukman Hakim, Dadang
EPSILON: Journal of Electrical Engineering and Information Technology Vol 22 No 2 (2024): Journal of Electrical Engineering and Information Technology
Publisher : Department of Electrical Engineering, UNJANI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55893/epsilon.v22i2.122

Abstract

This research discusses the design and implementation of a PID controller-based liquid flow control system equipped with a Disturbance Observer (DOB). The system is designed to compensate for the influence of external disturbances that can interfere with control performance. The design process starts with modeling the system dynamics using mathematical equations, followed by designing a PID controller to regulate the flow according to the desired setpoint. The DOB is designed by utilizing the inverse model of the system to estimate the disturbances that occur and compensate for their effects on the control signals in real-time. Simulations were conducted to compare the performance of the system with and without DOB in the face of disturbances. The results show that the system with DOB has better performance, with more stable response, faster recovery time, and smaller steady-state error than the system without DOB. This confirms the effectiveness of DOB in improving the robustness of the control system against external disturbances.
Co-Authors Lukman Hakim, Dadang Thaufiq Sabtiawan Yussi Perdana Saputera