University of Twente Student Theses


Herontwerpen stuurmechanisme Robird

Grefte, M.J.M. (2017) Herontwerpen stuurmechanisme Robird.

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Abstract:Clear Flight Solutions (CFS) is a company that specializes in bird control and aerial inspection. They have developed a mechanical bird, the so called `Robird`. This assignment will focus on the flapping-wing robird. It is inspirited by the peregrine falcon. The tail of this robird can be improved according to CFS. The goal of this assignment is to investigate the possibilities of designing a transforming surface, which can be used to build a steering mechanism for the robird’s of Clear Flight Solutions, which has a realistic appearance and gives better airflow, stability and steering capabilities. In order to answer the goal of the assignment an analyses has been performed. First, the current robird has been examined, so that we can compare it with its competitors. A falconer has been interviewed to, acquire more knowledge about the peregrine falcon. But the investigation in birds in general has been a great contribution to this assignment. This knowledge has been compared with the knowledge that is present in the aircraft industry. The knowledge present in this industry can be of great use in this assignment. Taking the aircraft industry is still the best starting point. But planes and the robird turned out not to be the same. Design requirements have been set up from this analyses. From this point the search for techniques, which can copy the characteristics of a bird, in the aircraft industry. It turns out, that an amount interesting techniques is being investigated at this moment. One of those is the piezo electric effect. This effect forms the base for the concept design. This concept has been chosen as a redesigned direction of the robird. By comparing the robird’s and Peregrine Falcon’s silhouette, new locations to add potential horizontal stabilization have been found. This was necessary to give the new design a flat tail. This flat carbon fiber tail can bend using piezoelectric actuators. Combining this with a rotating tail gives theoretically enough stability and maneuverability so that this concept can be a substitute for the current tail. However, the current design seems to be too heavy for real application. The conclusion is that potential technologies are currently being investigated to make a very promising design. However, the weight of this type of design needs to be reduced to really meet the requirements.
Item Type:Essay (Bachelor)
Faculty:ET: Engineering Technology
Subject:20 art studies
Programme:Industrial Design BSc (56955)
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