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Extending Mission Duration Of Uas Multicopters: Multi-Disciplinary Approach, Marc Lussier
Extending Mission Duration Of Uas Multicopters: Multi-Disciplinary Approach, Marc Lussier
Department of Mechanical and Materials Engineering: Dissertations, Theses, and Student Research
Multicopters are important tools in industry, the military, and research but suffer from short flight times and mission durations. In this thesis, we discuss three different ways to increase flight times and therefore increase the viability of using multicopters in a variety of missions. Alternate fuel sources such as hydrogen fuel and solar cells are starting to be used on multicopters, in our research we simulate modern fuel cells and show how well they currently work as the power source for multicopters and how close they are to becoming useful in Unmanned Aircraft System (UAS) technology. Increasing the efficiency in …
Design And Evaluation Of Sensor Housing For Atmospheric Boundary Layer Profiling Using Multirotors, Ashraful Islam
Design And Evaluation Of Sensor Housing For Atmospheric Boundary Layer Profiling Using Multirotors, Ashraful Islam
Department of Mechanical and Materials Engineering: Dissertations, Theses, and Student Research
Traditional configurations for mounting Temperature–Humidity (TH) sensors on multirotor Unmanned Aerial Systems (UASs) often suffer from insufficient radiation shielding, exposure to mixed and turbulent air from propellers, and inconsistent aspiration while situated in the wake of the UAS. Consequently, atmospheric boundary layer profiles that rely on such configurations are bias-prone and unreliable in descent. This thesis describes the evolution of a novel sensor housing design over three iterations. The sensor housing is designed to shield airborne sensors from artificial heat sources and artificial wet-bulbing while pulling air from outside the rotor wash influence. The housing is mounted above the propellers …