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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA)
I Gusti Ngurah Ketut Yudhyadi
University of Mataram
Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics

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Optimization Design Blade Wind Turbine in Enhancing Power Based on Passive Control System I Kade Wiratama; I Gusti Ngurah Ketut Yudhyadi; I Made Suartika; I Made Nuarsa
Jurnal Penelitian Pendidikan IPA Vol 9 No 6 (2023): June
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i6.4052

Abstract

Control power on rotor wind turbine can be carried out by changing blade angle of attack through via pitch control and stall regulated method to produce much power and control power as well as protect wind turbine from high wind to operate in rated power. By using search-based design method to optimize design blade and Blade Element Momentum Theory (BEMT) to analyze aerodynamic performance for stall and pitch control power. Recent work demonstrates that some very significant effect can be achieved by using constant speed pitch control. Comparing of among ordinary blade and design blade of constant speed stall regulated and optimized show that enhancing power is nearly similar while design blade using pitch control give significant effect in enhancing aerodynamic performance of design blade. For average power, design blade constant speed pitch control has average power about 47970,77 Watt and constant speed stall regulated is 43855,41 Watt
Analisis Eksperimental dan Statistik Pengaruh Tekanan Udara dan Massa Benda Kerja terhadap Kecepatan Silinder Pneumatik pada Sistem Produksi Modular Hendry Sakke Tira; Mulyadi Mulyadi; I Gusti Ngurah Ketut Yudhyadi
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 5 No 1 (2026): April
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v5i1.414

Abstract

Industrial automation systems widely employ pneumatic actuators; however, most existing studies focus on control strategies or isolated actuator components, with limited experimental validation in integrated automation platforms and insufficient evaluation of fundamental parameters such as supply pressure and load mass. This gap restricts a comprehensive understanding of actuator performance under realistic conditions. This study aims to experimentally and statistically evaluate the effects of air pressure and workpiece mass on pneumatic actuator performance in a Modular Production System (MPS) distributing station. A full factorial design (3 × 3) was used, with three levels of air pressure (3, 5, and 7 bar), three levels of workpiece mass (106, 112, and 118 g), and three repetitions per condition (27 runs). Cylinder speed was determined from the measured airflow rate, and statistical analysis was performed using one-way ANOVA. The results show that air pressure has a significant effect on cylinder speed (p < 0.05), with a 165% increase from 3 bar to 7 bar. In contrast, workpiece mass variation does not significantly affect cylinder speed (p > 0.05). These findings indicate that actuator performance in modular pneumatic systems is primarily governed by pressure-induced airflow. The study provides experimentally validated insights for improving system performance through effective pressure regulation.
Co-Authors Hendry Sakke Tira I Kade Wiratama I Made Nuarsa I Made Suartika Mulyadi Mulyadi