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All Journal MEDIA KOMUNIKASI TEKNIK SIPIL PROSIDING CSGTEIS 2013 JEAT : Journal of Electrical and Automation Technology
Masjono Muchtar
Program Studi Teknik Elektro Industri Akademi Teknik Industri Makassar
Civil Engineering, Building, Construction & Architecture Education Electrical & Electronics Engineering Energy Industrial & Manufacturing Engineering Mechanical Engineering

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Kinerja Model Fisik Konverter Energi Ombak Rangkaian Gear Searah pada Periode Ombak yang Bervariasi Muchtar, Masjono; Manjang, Salama; Suriamiharja, Dadang A; Thaha, M Arsyad
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 22, Nomor 2, DESEMBER 2016
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (529.933 KB) | DOI: 10.14710/mkts.v22i2.12871

Abstract

To date there were few research on the effect of non-linearity properties of the ocean waves on the performance of wave energy converter (WEC), which uses a series of unidirectional gear. One such parameter is the variation of wave period. The influence of wave period variations on the performance of physical model of the wave energy converters have been investigated at the Hydraulics Laboratory, Department of Civil Engineering, Hasanuddin University Indonesia. This WEC physical model was fabricated and assembled at Politeknik ATI Makassar Indonesia. The investigation steps consists of physical model development, physical model investigation at wave flume prior to the wave period  variation, measuring input output parameters of the physical model under test and empirical model formulation based on observed data analysis. Physical model test carried out on the wave flume at the Hydraulics Laboratory of the Department of Civil Hasanuddin University, at a water depth of 25 cm, wave height between 5-9 cm and wave period between 1.2 - 2.2 seconds. Investigation result based on flywheel radial speed (RPM) and torque (Nm) indicated that calculated harvested power was inversely proportional with the wave period. The longer the period of the waves, the energy produced is getting smaller. The derived empirical formula was y = -85.598x + 208.53 and R² = 0.8881. Y is energy produced (Watt) and X is the wave period (Second). Formulations generated from this study could be used as a reference for future research in dealing with wave period variations on a design one way gear wave energy converter as a source of renewable energy.
Terobosan Baru Transmisi Energi Listrik Tanpa Kabel Masjono Muchtar
PROSIDING CSGTEIS 2013 CSGTEIS 2013
Publisher : PROSIDING CSGTEIS 2013

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

Abstract

Abstract -- Imagine that one day in the future every aspectof life conducted wirelessly including electricitydistribution. Wireles electricity transfer experiment has beenconducted at Lab Teknik Tenaga Listrik Akademi TeknikIndustri Makassar. Focus of this paper is to find thepossibility of using wireless power transfer system to lightenergy saving bulb wirelessly. Research methodologyconsists of literature studies, circuits design, contruction andtesting. The transmitter oscillator frequency was set to 1.645MHz. The result showed that the received power inverslyproportional with the distance between transmitter andreceiver. Instead of transferring electricity from transmiterto receiver, the transmitter able to light 10 watt energysaving bulb wirelessly.Keyword: wireless power transfer, witricity,electromagnetics.
Design and Construction of An IoT-Based Automatic Wood Cutting Calculation System on A Table Saw Putra, Yufran; Arisandi, Riyan; Muchtar, Masjono; Tri Budi Utami, Atikah
JEAT : Journal of Electrical Automation Technology Vol. 4 No. 1 (2025): JEAT : Journal of Electrical and Automation Technology
Publisher : UPPM Poltek ATI Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61844/jeat.v4i1.1203

Abstract

Precise wood cutting is essential in the woodworking industry to maintain product quality and optimize raw material usage. This study aimed to design and implement an automatic wood cutting counter system based on the Internet of Things (IoT) for a table saw machine. The system utilized a TCRT5000 infrared sensor to detect cut pieces, an ESP32 microcontroller as the data processor, and the Blynk platform for smartphone-based monitoring. The design process was divided into two main stages: hardware assembly and software development using the Arduino IDE. The system was tested by comparing its counting results to manual calculations. The test results indicated that the system successfully counted wood pieces and displayed real-time data through the Blynk application. This automated system reduced human error in production monitoring and supported the digitalization of woodworking processes. The findings suggest that this approach can improve production efficiency, provide affordable implementation in small to medium-scale industries, and serve as a reference for further IoT applications in woodworking environments.Keyword:Table Saw; TCRT5000; IoT; ESP32; Blynk
Co-Authors Arisandi, Riyan Atikah Tri Budi Utami Dadang A Suriamiharja, Dadang A Putra, Yufran Salama Manjang Thaha, Muhammad Arsyad