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Abstract
The use of UAV (Unmanned Aerial Vehicle) by government and private institutions has been widely practiced. One is for monitoring needs, mapping an area to another, and more specific military needs. UAV carry a variety of sophisticated electronic equipment, and landing gear must be capable of supporting the load. Absorbing impact energy is essential to prevent damage to the equipment. The landing gear drop test simulates the stiffness of the landing gear to receive an impact load when the aircraft lands. The primary purpose of the tool's design is to facilitate the effective and efficient research and development of landing gear design in the future. This study's landing gear drop weight test was designed for all types of LSU unmanned aircraft (Lapan Surveillance UAV). Landing gear drop weight is designed with several systems to support the ability to determine the speed before the impact, impact force, and deformation on the landing gear strut as a parameter for future landing gear research. This test tool utilizes gravity as an impact propulsion. The test equipment design refers to the CASR 23 standard test. This study compared the test equipment design solutions and the construction deflection analysis to ensure the design results could be made. The bending value of the hoist plate on the rig design that has been made is 57.7 MPa. The value of critical buckling in the rig column is 28,353 kN.
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References
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References
A. Dutta, “Design And Analysis Of Nose Landing Gear,” International Research Journal of Engineering and Technology, 2016, [Online]. Available: www.irjet.net
Daniel P Raymer, Aircraft Design-A Conceptual Approach, Second., vol. 2. Washington: AIAA Education Series, 1994.
Bintoro Atik, “Analisis Beban Hentak Struktur Penyangga Landing Gear Pesawat Nir Awak Lsu03 (Shock Load Analysizes For The Lsu03 Uavs Landing Gear Support Structure),” Jurnal Teknologi Dirgantara, vol. 11, no. 2, pp. 167–174, 2013, doi: https://jurnal.lapan.go.id/index.php/jurnal_t ekgan/article/view/1883.
S. H. Oh, “The development of a drop test device for the performance test of the landing gear of an unmanned aircraft,” in Applied Mechanics and Materials, 2014, pp. 4219–4222. doi:
4028/www.scientific.net/AMM.513- 517.4219.
S. H. Oh, “The development of a drop test device for the performance test of the landing gear of an unmanned aircraft,” in Applied Mechanics and Materials, 2014, pp. 4219–4222. doi:
4028/www.scientific.net/AMM.513- 517.4219.
E. Candemir and S. Khoshaba, “Dimensioning and designing a testing rig for impact loading on beams,” Linnaeus University, 2010.
T. Shuaeib, S. Wong, S. Tan, A. M. S Hamouda, R. S. Radin Umar, and M. Megat Ahmad, “Drop Weight Testing Rig Analysis and Design,” Pertanika J. Sci. & Techno. Supplement, vol. 12, no. 2, pp. 159–175, 2004.
Republic of Indonesia Ministry of Transportation, CASR Part 23 : Airworthiness Standards Normal, Utility, Accrobatic, and Commuter Category Airplanes. 2001.
M. Macaulay, “Introduction to impact engineering,” 1987. [Online]. Available: https://api.semanticscholar.org/CorpusID:1 07765880
L. Gunawan, T. Dirgantara, and I. S. Putra, “Development of a Dropped Weight Impact Testing Machine,” International Journal of Engineering and Technology, vol. 11, no. 6, pp. 120–126, Dec. 2011, [Online]. Available: https://api.semanticscholar.org/CorpusID:1 6166590
America Standart Testing Manual, “Standard Test Method for Drop Test of Loaded Containers by Free Fall,” United States, United States, Dec. 2004. [Online]. Available: www.astm.org,
G. Holmes, P. Sartor, S. Reed, P. Southern,
K. Worden, and E. Cross, “Prediction of landing gear loads using machine learning techniques,” Struct Health Monit, vol. 15, no. 5, pp. 568–582, Sep. 2016, doi: 10.1177/1475921716651809.
D. Christianto, Y. Lase, and D. Yeospitta, “PENGARUH PASIR TERHADAP PENINGKATAN RASIO REDAMAN PADA PERANGKAT KONTROL PASIF (238S),” in Universitas Sebelas Maret (UNS)-Surakarta, 2013, pp. 315–320.
W. Tu, B. Yang, W. Yu, and Y. Luo, “A dynamic model of defective bearing considering the detailed motion of the roller and the impact between the roller and the cage,” Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics, vol. 237, no. 3, pp. 494–510, 2023, doi: 10.1177/14644193231180242.
R. Gunes and K. Arslan, “Development of numerical realistic model for predicting low- velocity impact response of aluminium honeycomb sandwich structures,” Journal of Sandwich Structures and Materials, vol. 18, no. 1, pp. 95–112, Jan. 2016, doi: 10.1177/1099636215603047.
A. Ciampaglia, D. Fiumarella, C. Boursier Niutta, R. Ciardiello, and G. Belingardi, “Impact response of an origami-shaped composite crash box: Experimental analysis and numerical optimization,” Compos Struct, vol. 256, Jan. 2021, doi: 10.1016/j.compstruct.2020.113093.
M. Jamal-Omidi and A. Choopanian Benis, “A numerical study on energy absorption capability of lateral corrugated composite tube under axial crushing,” International Journal of Crashworthiness, vol. 26, no. 2, pp. 147–158, 2021, doi: 10.1080/13588265.2019.1699721.
P. Preedawiphat et al., “Mechanical investigations of astm a36 welded steels with stainless steel cladding,” Coatings, vol. 10, no. 9, Sep. 2020, doi: 10.3390/coatings10090844.
M. N. Bin Kamarudin, J. S. Mohamed Ali, A Aabid, and Y. E. Ibrahim, “Buckling Analysis of a Thin-Walled Structure Using Finite Element Method and Design of Experiments,” Aerospace, vol. 9, no. 10, Oct. 2022, doi: 10.3390/aerospace9100541.