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All Journal Conference SENATIK STT Adisutjipto Yogyakarta Angkasa: Jurnal Ilmiah Bidang Teknologi KACANEGARA Jurnal Pengabdian pada Masyarakat Jurnal Abadimas Adi Buana Jurnal Serambi Engineering Community Development Journal: Jurnal Pengabdian Masyarakat Jurnal Nasional Teknologi Terapan Jurnal Pengabdian kepada Masyarakat Vortex Jurnal Peradaban Masyarakat (JPM) Prosiding Seminar Nasional Rekayasa Teknologi Industri dan Informasi ReTII Mestaka: Jurnal Pengabdian Kepada Masyarakat Hikamatzu Journal of Multidisciplinary Research
Djarot Wahju Santoso
Institut Teknologi Dirgantara Adisujipto, Yogyakarta, Indonesia
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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GPS Signal Performance Testing Based on Material Variations Of Portable On-Demand (POD) And GPS Placement For Aerial Photography Missions Kehi, De Richi; Hartini, Dwi; Mardwianta, Benedictus; Prattiwi, Elisabeth Anna; Santoso, Djarot Wahju
Vortex Vol 6, No 1 (2025)
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/vortex.v6i1.3118

Abstract

In aerial photography, the use of camera systems integrated with GPS signals is crucial for determining the position and velocity of an aircraft or drone. The Portable On-Demand (POD) serves as a payload container for equipment such as cameras, and the POD material can influence GPS signal quality. This study aims to evaluate the quality of received GPS signals and to assess the effect of camera distance on GPS performance. Experimental tests were conducted using three POD material types (original, E-glass, and carbon) and two GPS systems (Emlid Reach and Pixhawk). The results indicate that the E-glass POD provides the best performance, achieving signal-to-noise ratio (SNR) values above 45 dB and a PDOP value of 1.7. Additionally, the E-glass POD detected up to 34 satellites at a camera distance of 0 cm. In contrast, the original and carbon PODs exhibited inferior performance, including occurrences of a “No Solution” status. Therefore, the E-glass POD is more reliable in maintaining GPS signal quality and positioning accuracy for aerial photography missions.
Pelatihan Desain dengan Software CATIA untuk Mengembangkan Kompetensi Teknologi bagi Santri Al Muthi’in Yogyakarta Hartini, Dwi; Junaidin, Buyung; Santoso, Djarot Wahju; Prattiwi, Elisabeth Anna
Mestaka: Jurnal Pengabdian Kepada Masyarakat Vol. 5 No. 1 (2026): Februari 2026
Publisher : Pakis Journal Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58184/mestaka.v5i1.857

Abstract

The rapid development of digital technology has brought significant changes to both education and industry. One of the technological competencies highly required in modern industries is Computer Aided Design (CAD), which enables product design processes to be carried out efficiently and with high precision. Computer Aided Three-dimensional Interactive Application (CATIA) is a CAD software widely used in various industrial sectors, including manufacturing, automotive, and aerospace. However, opportunities to learn industry-level design software are still limited for many santri. This community service activity aims to enhance technological literacy and basic design skills through CATIA software training for santri of Al Muthi’in. The training was conducted using a hands-on learning approach at the Institut Teknologi Dirgantara Adisutjipto. The training materials covered the introduction to basic CAD concepts, CATIA interface recognition, two-dimensional sketch creation, and simple three-dimensional modeling. The results of the activity indicate an improvement in the santri’s understanding of CAD concepts and their ability to independently create basic three-dimensional designs. This activity is expected to serve as an initial step in strengthening the technological competencies of santri.
Structural Design Optimization of Bellcrank 3 in the N219 Aircraft Flap Flight Control System Using the Finite Element Method Hartini, Dwi; Bachtiar, Muhamad Irfan; Nugroho, Fajar; Anna Prattiwi, Elisabeth Anna; Santoso, Djarot Wahju
Vortex Vol 7, No 1 (2026)
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/vortex.v7i1.3819

Abstract

The flap control system is a critical subsystem in aircraft that directly affects aerodynamic performance and flight safety. One of the key mechanical components in this system is the bellcrank, which functions to transmit and redirect loads from the actuator to the flap mechanism. In this study, structural optimization of bellcrank 3 in the flap control system of the N219 aircraft was performed using the Finite Element Method (FEM). Three design configurations were analyzed, namely the base model, optimization model 1 with thickness reduction, and optimization model 2 with the addition of holes in non-critical areas. Structural evaluation was conducted based on mass reduction, displacement, von Mises stress, and margin of safety (MS). The simulation results show that both optimization approaches successfully reduce structural mass compared to the base model. Optimization model 1 achieves the largest mass reduction but results in higher stress levels and lower margin of safety. Optimization model 2 provides a more balanced structural performance, with stress, displacement, and margin of safety values comparable to the base model while maintaining mass reduction. All analyzed configurations exhibit positive margin of safety values, indicating that the structures remain safe under the applied operational loads. Based on the overall structural performance, optimization model 2 is considered the most suitable design for application in the flap control system of the N219 aircraft.
Co-Authors abdul haris subarjo, abdul haris Andrian Permana Andrian Permana Anna Prattiwi, Elisabeth Anna Bachtiar, Muhamad Irfan Bambang Sudibya BambangSudibya Benedictus Mardwianta, Benedictus Buyung Junaidin Buyung Junaidin, Buyung Daniel Satria Nanditaputra Dedet Hermawan Setiabudi, Dedet Hermawan Dwi Hartini Dwi Hartini Dwi Hartini Eli Kumolosari Elisabeth Anna Prattiwi Fajar Khanif Rahmawati FAJAR NUGROHO Habib Faiz Musyadad Haryanto, Kris Hendrix Noviyanto Firmansyah Husaini, Munawar Ikramullah Ikramullah Kehi, De Richi Kris Hariyanto Kris Hariyanto Kris Hariyanto, Kris Kris Haryanto Kusumawardani, Mawar Lado Rislya Prakasa Nurcahyani Dewi Retnowati Nurfi Ahmadi, Nurfi Okto Dinaryanto Prattiwi, Elisabeth Anna Putra, Aditya Nurcholis Putra, Aditya Nurcholis Santoso, Prasidananto Nur Seran Luan, Randi Edward Sudarmanto Sudarmanto, Sudarmanto Teguh Wibowo Triwibowo, Nur Ahmad Wawan Edi Saputra Wibowo, Irfan