Abstract
The usability of drones is largely related to their performance, and among them, lightening is a very important factor in increasing flight distance and flight time by mounting a larger battery as a flight object and enabling low power flight. In this paper, finite element analysis was used to optimize the design aimed at reducing the weight and improving the strength of a 1 kgf class drone arm with a leg-type landing gear. o this end, finite element stress analysis and optimization design were performed step by step, and a method of modifying design variables using a combination of methods such as element removal method was used to realize the optimal structure. As a result of the stepwise optimal design performed in this paper, the optimization of the drone arm was achieved, which reduces the maximum effective stress by 0.04% while reducing the mass by 12.38%.
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