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All Journal Mechatronics, Electrical Power, and Vehicular Technology Jurnal Manajemen Dirgantara International Journal of Artificial Intelligence and Robotics (IJAIR) Jurnal Ground Handling Dirgantara
Parman, Setyamartana
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Aerospace Engineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Industrial & Manufacturing Engineering Transportation Other

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Application of empirical mode decomposition method for characterization of random vibration signals Parman, Setyamartana; Yazid, Edwar
Journal of Mechatronics, Electrical Power and Vehicular Technology Vol 7, No 1 (2016)
Publisher : Research Centre for Electrical Power and Mechatronics, Indonesian Istitutes of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (574.549 KB) | DOI: 10.14203/j.mev.2016.v7.21-26

Abstract

Characterization of finite measured signals is a great of importance in dynamical modeling and system identification. This paper addresses an approach for characterization of measured random vibration signals where the approach rests on a method called empirical mode decomposition (EMD). The applicability of proposed approach is tested in one numerical and experimental data from a structural system, namely spar platform. The results are three main signal components, comprising: noise embedded in the measured signal as the first component, first intrinsic mode function (IMF) called as the wave frequency response (WFR) as the second component and second IMF called as the low frequency response (LFR) as the third component while the residue is the trend. Band-pass filter (BPF) method is taken as benchmark for the results obtained from EMD method.
Bezier Curve Collision-Free Route Planning Using Meta-Heuristic Optimization Machmudah, Affiani; Parman, Setyamartana
International Journal of Artificial Intelligence & Robotics (IJAIR) Vol. 3 No. 1 (2021): IJAIR : May
Publisher : Informatics Department-Universitas Dr. Soetomo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (652.198 KB) | DOI: 10.25139/ijair.v3i1.3821

Abstract

A collision-free route is very important for achieving sustainability in a manufacturing process and vehicle robot trajectories that commonly operate in a hazardous environment surrounded by obstacles. This paper presents a collision avoidance algorithm using a Bezier curve as a route path. The route planning is modeled as an optimization problem with the objective optimization is to minimize the route length considering an avoiding collision constraint. The collision-avoidance algorithm based on curve point analysis is developed incorporating metaheuristic optimizations, namely a Genetic Algorithm (GA) and a Grey Wolf Optimizer (GWO). In the collision avoidance algorithm, checking of curve point's position is important to evaluate the individual fitness value. The curve points are analyzed in such a way so that only the paths which are outside the obstacle area are selected. In this case, besides the minimum length as a fitness function, the constraint is the position of curve points from an obstacle. With the help of meta-heuristic optimization, the developed collision avoidance algorithm has been applied successfully to different types of obstacle geometries. The optimization problem is converted to the maximization problem so that the highest fitness value is used to measure the performance of the GA and GWO. In general, results show that the GWO outperforms the GA, where it exhibits the highest fitness value. However, the GA has shown better performance for the narrow passage problem than that of the GWO. Thus, for future research, implementing the hybrid technique combining the GA and the GWO to solve the advanced path planning is essential.
The Influence of Flight Attendant Workload on Performance at Citilink Airlines in 2021 Bata, Windi Trinova; Parman, Setyamartana
Jurnal Manajemen Dirgantara Vol 17 No 2 (2024): Jurnal Manajemen Dirgantara, Desember 2024
Publisher : Sekolah Tinggi Teknologi Kedirgantaraan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56521/manajemen-dirgantara.v17i2.1051

Abstract

Services in the aviation world consist of three services: pre-flight, in-flight and post-flight services. In-flight services are carried out directly by the cabin crew, in this case the flight attendants, who are the parties tasked with providing direct services during the flight. In the world of flight attendants, there is a seniority system in carrying out tasks. The workload that must be done by junior flight attendants is greater than that of senior flight attendants. As a result, most junior flight attendants feel uncomfortable with the work environment caused by the lack of harmony between senior flight attendants and junior flight attendants. This study aims to determine the effect of flight attendant (FA) workload on their performance at Citilink Airlines in 2021. This study is a quantitative study, where data is collected by distributing questionnaires, observations and documentation to flight attendants at Citilink Airlines. The sample was carried out on 50 respondents using non-probability sampling techniques. Then the data was processed using simple linear regression analysis. The results of the study indicate that there is an influence of flight attendant workload on their performance at Citilink Airlines in 2021. Flight attendant workload affects their performance by 43.2%. While the remaining 56.8% of performance is influenced by other variables that are not studied and outside the concept in the researcher's research. The coefficient of determination ranging from 0.400-0.599 shows that flight attendant workload has a fairly strong influence on their performance at Citilink Airlines.
Comparative Study of Dangerous Goods Handling in Airlines Operating at Soekarno-Hatta International Airport Yoviana, Lina; Tamara, Amelia Puspa; Parman, Setyamartana
Jurnal Ground Handling Vol 6 No 2 (2024): Ground Handling Dirgantara
Publisher : Sekolah Tinggi Teknologi Kedirgantaraan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56521/jgh.v6i2.1249

Abstract

This paper investigates the handling of dangerous goods on flights that often occur. Security problems at the airport can be seen from the many incidents that disrupt flight activities to and from the airport. Each airline has its own standard operating procedure (SOP). In this study, the differences in SOPs between two airlines - namely Citilink Indonesia and Lion Air - at Soekarno-Hatta International Airport will be studied, especially in terms of handling dangerous goods. The type of research used is descriptive qualitative, because the description of the data is expressed in the form of words. The data collected will be reduced and presented, then conclusions will be drawn from the presentation of the data. The results show that handling dangerous goods certainly has a very high risk, therefore airport officers need to carry out their duties according to SOP. Each officer must be supervised in working, where training in the involvement of handling dangerous goods on aircraft is the main requirement beforehand.
Evaluation on Accuracy of Snap-On Torque Wrench QD2R200 Calibrated Using ISO 6789:2017 and Stahlwille Standard Gumelar, Bima Maulana Bagaswara; Parman, Setyamartana; Prasetiyo, Erwan Eko
Jurnal Manajemen Dirgantara Vol 18 No 1 (2025): Jurnal Manajemen Dirgantara, Juli 2025
Publisher : Sekolah Tinggi Teknologi Kedirgantaraan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56521/manajemen-dirgantara.v18i1.1457

Abstract

Aviation safety is highly dependent on the accuracy of the tools used, including torque wrenches used in aircraft maintenance. This study evaluated the accuracy of the QD2R200 snap-on torque wrench following the ISO 6789-2017 calibration method using the Stahlwille standard. The study was conducted in the Batam Aero Technic calibration laboratory, with torque wrench measurements at their nominal capacities of 20%, 60%, and 100%. Measurements were repeated five times at each nominal point. The calibration results on the two tools in the laboratory showed that the variation in deviation of the tool with serial number 1016901448 reached ±9%, while the tool with serial number 1116802022 had a deviation of less than ±2%. Testing was carried out in clockwise and counterclockwise directions. The t-test showed a significant difference in results between the two tools, namely p = 0.003. These results emphasize the importance of periodic calibration and show that the ISO 6789:2017 method is effective in measuring torque wrench accuracy, which is important in ensuring safety and reliability in the aviation industry.
Co-Authors Affiani Machmudah Bata, Windi Trinova Edwar Yazid Gumelar, Bima Maulana Bagaswara Prasetiyo, Erwan Eko Tamara, Amelia Puspa Yoviana, Lina