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All Journal Jurnal INKOM Bulletin of Electrical Engineering and Informatics Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains
Teguh Praludi
Indonesian Institute of Science
Computer Science & IT Electrical & Electronics Engineering Engineering

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Pengendali Kecepatan Motor Induksi 3-Phase pada Aplikasi Industri Plastik Hardiati, Sri; Oktafiani, Folin; Pristianto, Joni; Praludi, Teguh; Wijayanto, Yusuf Nur
INKOM Journal Vol 3, No 1-2 (2009)
Publisher : Pusat Penelitian Informatika - LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (51.584 KB) | DOI: 10.14203/j.inkom.36

Abstract

A circuit for speed controlling of three phase motor induction was designed and implemented. The circuit is using triac as main of component and supported by diac, diode, and the other passive electronics component. The result is a prototype of the speed controlling circuit. The circuit was implemented in plastic industry for keeping of the plastic yarn, so we can optimize production process and increasing the result as better quality and efficient. Keywords: control, speed , triac, motor induction
Non-Invasive Wristwatch Microstrip Antenna Sebagai Pengukur Kadar Gula Dalam Darah Pada ISM (Industrial,Science,and Medical) Band Nugraha, Wahid Nova; Rahayu, Yusnita; Praludi, Teguh
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 8 (2021): Edisi 2 Juli s/d Desember 2021
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Diabetes mellitus affects millions of people worldwide. At present, the technology used by people with diabetes for determining blood glucose concentration is an invasive method that requires a blood sample and is thus painful. Bloodless and painless technology to monitor blood glycaemic levels could improve the lives of diabetes patients. This paper presents the design of a Mikrostrip antenna which can be used for non-invasive blood glucose monitoring. The antenna works well atfrequency of 2.46 GHz. This frequency shift can be used to observe the change in blood's concentration, which will be used to estimate the concentration of glucose in the blood.Keywords: Mikrostrip Antenna, Return Loss, Non Invasive Method,Glucose Monitoring, ISM Band
Analysis of unmanned aerial vehicle airframe materials on circularly polarized antenna radiation characteristics Wahyudi, Wahyudi; Setyadewi, Imas Tri; Sakti, Mohammad Amanta Kumala; Prabowo, Yanuar; Hadiyanti, Donatina Miswati; Rahayu, Novelita; Muzayadah, Nurul Lailatul; Wahyudi, Agus Hendra; Guno, Yomi; Praludi, Teguh; Santosa, Cahya Edi; Sumantyo, Josaphat Tetuko Sri
Bulletin of Electrical Engineering and Informatics Vol 14, No 4: August 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v14i4.8010

Abstract

This paper presents an experimental examination of how unmanned aerial vehicle (UAV) airframe materials affect the electromagnetic characteristics of the airborne circularly polarized (CP) payload antenna. This study specifically investigates the received signal from the circularly polarized synthetic aperture radar (CP-SAR) antenna installed within the fuselage of the lapan surveillance UAV (LSU). In the airborne CP-SAR experiment, broadband CP microstrip subarray antennas were used along with LSU series airframe material composites comprising E-glass EW-185 and Carbon C522 Twill. The composite specimens were prepared to have the same size and thickness to minimize variability in the comparative analysis. The experimental study measures the transmission loss using S-parameters. At 5.3 GHz, the E-glass EW-185 fiber composite exhibits a material attenuation of -1.5 dB and a circular depolarization of 0.32 dB. The E-glass EW-185 fiber composite exhibits a material attenuation of -1.5 dB and a circular depolarization of 0.32 dB. In contrast, the Carbon C522 Twill fiber composite demonstrates a significantly higher material attenuation of -31.24 dB and a circular depolarization of 10.70 dB. Additionally, this paper examines the radiation pattern measurements of the CP-SAR antenna at various frequencies, providing a comprehensive analysis of the materials' impact on antenna performance.
Co-Authors Chaeriah Bin Ali Wael, Chaeriah Bin Folin Oktafiani, Folin Guno, Yomi Hadiyanti, Donatina Miswati Hardiati, Sri Heriana, Octa Josaphat Tetuko Sri Sumantyo, Josaphat Tetuko Sri Miftahushudur, Tajul Muzayadah, Nurul Lailatul Nugraha, Wahid Nova Prabowo, Yanuar Pristianto, Joni Rahayu, Novelita Sakti, Mohammad Amanta Kumala Santosa, Cahya Edi Setyadewi, Imas Tri Sulaeman, Yaya Wael, Chaeriah Bin Ali Wahyudi Wahyudi Wahyudi, Agus Hendra Yusnita Rahayu Yusuf Nur Wijayanto, Yusuf Nur