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All Journal Rekayasa Mesin Journal of Engineering and Technological Sciences Jurnal Teknologi dan Manajemen
F. Ferryanto
Institut Teknologi Bandung
Engineering Mechanical Engineering

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Redesign of a Biomechanical Energy Regeneration-based Robotic Ankle Prosthesis using Indonesian Gait Data Edgar Buwana Sutawika; I. Indrawanto; F. Ferryanto; Sandro Mihradi; Andi Isra Mahyuddin
Journal of Engineering and Technological Sciences Vol. 53 No. 4 (2021)
Publisher : Institute for Research and Community Services, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.eng.technol.sci.2021.53.4.6

Abstract

In this research, the robotic ankle design from Arizona State University (ASU) known as SPARKy was redesigned to accommodate the specific needs of Indonesian people. Most active prosthetic legs are designed based on gait parameters for people from Western countries, which may differ for people from other cultures that have a different anthropometry and economic background. Indonesians have smaller actuating power characteristics compared to people from Western cultures due to their smaller average weight and body height. Thus, the applied design strategy took advantage of a biomechanical energy regeneration scheme to reduce the actuator input power requirement and the relatively smaller mechanical power of the typical Indonesian ankle to create a potentially affordable robotic ankle with a smaller actuator that meets the technical specifications. The specifications of the powered prosthetic ankle were determined through the same methods used by SPARKy. Only one low-level control system, to actuate normal walking, was designed and tested on a fully assembled robotic ankle. The test results indicated a promising low-level control, where the robotic ankle can follow the predetermined trajectory required to actuate normal walking based on Indonesian gait data.
RISK OF INJURY COMPARISON BETWEEN REGULAR AND KNUCKLE PUSH-UP BASED ON KINEMATIC PARAMETER ANALYSIS Alvin Alvin; Moch Fakhrul Fauzi; Jihad Ibnu Zia; Eldita Fauzi Mukhtar; Eki Dwi Juliansyah Putra; Ferryanto Ferryanto
Jurnal Rekayasa Mesin Vol. 13 No. 2 (2022)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v13i2.941

Abstract

Nowadays, it is difficult to access physical exercise facilities because people spent most of their time at work. Therefore, physical exercises that could be done with less equipment and space are more likely needed, and a push-up is one of them. There are several kinds of push-up which two are regular push-up and knuckle push-up. Both of them differ in hand posture, which carries a different risk of injury. In this research, kinematic parameters of joints on both of the push-up method that was acquired from optical motion capture using 120 fps GoPro camera and six markers were compared to identify which method would lead to a higher risk of injury. From analyzing the elbow joints acceleration, it was observed that the maximum value of both the linear and angular acceleration of knuckle push-up was larger. This means that the elbow joints suffered more load during knuckle push-up, leading to a higher risk of injury.
Development of Image Processing & Thermal Camera for Railway Vehicle Bearing Inspection: A Review Hanifar Kahira; F Ferryanto; Satrio Wicaksono
Jurnal Teknologi dan Manajemen Vol 5, No 2 (2024): July
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jtm.2024.v5i2.5948

Abstract

Inspection of the train’s bearings is an important aspect of maintaining the performance and operational safety of the rail transportation system. Bearings act as components that support wheel rotation and transmit loads between the wheels and the axles. The poor condition of bearings can cause operational disruptions, decreased efficiency, and even failures that can endanger the safety of train passengers and personnel. In recent years, the use of thermal camera sensor technology in the inspection of railway bearings has grown rapidly. The thermal camera sensor enables accurate temperature detection and visualization of heat patterns on the bearing surface. Abnormal heating patterns can indicate a problem such as excess friction, wear, or overheating that needs action. In this review paper, the importance of checking bearings on trains, image processing, and object detection technologies in detecting damage, the use of thermal camera sensors in inspections, and the benefits that can be obtained by implementing this technology will be discussed in detail. This study is intended to provide a better understanding of bearing inspection on trains and its contribution to improving the safety and efficiency of the rail transportation system.
Co-Authors Alvin Alvin Andi Isra Mahyuddin Edgar Buwana Sutawika Eki Dwi Juliansyah Putra Eldita Fauzi Mukhtar Hanifar Kahira Indrawanto Jihad Ibnu Zia Mahyuddin, Andi Isra Mihradi, Sandro Moch Fakhrul Fauzi Motomu Nakashima Satrio Wicaksono