PSI - Issue 54

Wojciech Skarka et al. / Procedia Structural Integrity 54 (2024) 506–513 Author name / Structural Integrity Procedia 00 (2019) 000 – 000

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3.2.3. Force applied on the edge tube A force of 150N is applied in the simulation along the "x" and "y" axes, with the vector directed in the centre of the cage segment. It was to imitate the force occurring when the cage collides with an object. The force was applied to the tube between the two outer connectors of the cage segment and was directed to the centre of the cage segment (Fig.6a)

a.

b.

Fig.6. (a) vector of the applied force, (b) deformation of the segment

Maximum deformations of the model (Fig.6b) occur exactly at the place of the force previously applied to the tube. The maximum deformations occurring in the simulation are 114.87 mm and they occur at the point of application of the force and in close proximity to it. The tube to which the force was applied before reaching the value of 114.87 mm would have failed earlier and would have had to be replaced later.

4. Load analysis on the drone 4.1. Drone design

We also designed a drone with higher resistance to collisions so even if the cage is broken the drone would be still operatable. It consists of two halves of the casing made of PET-G material. This polymer is characterized by exceptional mechanical strength and low weight, making it an ideal choice for our drone. Both parts of the casing have an electric motor with a powerful propeller. This section of the drone is crucial for generating lift and providing movement. The motor and propeller are properly shielded to minimize the risk of damage during a flight.[7] The lower part of the casing has an electric motor with a powerful propeller and serves as a protective enclosure for the battery, control electronics, telemetry, and servo drives. The battery serves as the power source for the drone, while the control electronics ensure precise control and stability during a flight. Telemetry enables remote monitoring and control of the drone, which is essential in various applications.[8] Servo drives control foam plastic plates located beneath this part of the casing, ensuring precise maneuverability and minimizing the risk of damage to the electronics.