University of Twente Student Theses


Aerodynamic interferences for the OmniMorph aerial vehicle

Brantjes, R.J. (2024) Aerodynamic interferences for the OmniMorph aerial vehicle.

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Abstract:With advancements in control, electronics, and batteries, drones have gained more and more popularity over the years. Constant research is being done into new ways to use them for various interaction, surveillance, and manipulation tasks. This thesis considers a new drone platform called the OmniMorph. The OmniMorph is an octorotor with a single servo motor that can tilt all the rotors simultaneously. This servo enables the OmniMorph to change its configuration (morph) between an energy-efficient and omnidirectional configuration. Due to the placement of the rotors, the OmniMorph is subjected to aerodynamic effects between the rotors (aerodynamic interference). This thesis considers these effects and proposes different solutions to minimize aerodynamic interference. The accuracy of the wrench execution and the most energy-efficient tilt angle of the rotors is investigated. From the experiments, we find that increasing the distance between the rotors could potentially be a solution to minimize the aerodynamic interference. Higher tilt angles and lower rotor velocities result in better accuracy of the wrench execution. The most energy-efficient tilt angle for hovering is still with all rotors pointing upwards. In the end, additional recommendations are given for future research into the effects of aerodynamic interference and a more complex model than the current standard UAV model is discussed.
Item Type:Essay (Master)
Faculty:EEMCS: Electrical Engineering, Mathematics and Computer Science
Subject:33 physics, 52 mechanical engineering, 53 electrotechnology
Programme:Electrical Engineering MSc (60353)
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