Abstract:The excessive depletion of fossil fuels and increasing environmental concerns have led to the need to explore alternative sources of power for aircraft. This has spurred various stakeholders in the aerospace industry to explore hybrid electric propulsion technology and fully electric vehicles. Airships are aerial platforms based on lighter-than-air systems technology. They have several unique features compared to other vehicles, chiefly their being more environmentally friendly due to low fuel consumption. Amo… Show more
“…Lighter than air UAVs (Airships, Dirigibles, Blimps and Balloons): the mean density of the vehicle is equal or lower respect to surrounding air, so lift forces are automatically granted. These kinds of vehicles are still proposed in recent works [8] since they offer the best ratio between lifted load and consumed energy. Additional propellers can be used control vehicle path.…”
Object of this work is the design and the simulation of a hybrid UAV with VTOL capabilities that has been designed for landing on naval moving platforms. The work is focused on the innovative propulsion layout adopted on the UAV. Authors discuss how adopted low level control strategies can exploit the innovative features of the proposed system assuring a good rejection of transversal wind disturbances. Particular attention is dedicated to low level modelling and control of the system emphasizing how choices regarding low level actuation and control should improve performances and robustness of the system.
“…Lighter than air UAVs (Airships, Dirigibles, Blimps and Balloons): the mean density of the vehicle is equal or lower respect to surrounding air, so lift forces are automatically granted. These kinds of vehicles are still proposed in recent works [8] since they offer the best ratio between lifted load and consumed energy. Additional propellers can be used control vehicle path.…”
Object of this work is the design and the simulation of a hybrid UAV with VTOL capabilities that has been designed for landing on naval moving platforms. The work is focused on the innovative propulsion layout adopted on the UAV. Authors discuss how adopted low level control strategies can exploit the innovative features of the proposed system assuring a good rejection of transversal wind disturbances. Particular attention is dedicated to low level modelling and control of the system emphasizing how choices regarding low level actuation and control should improve performances and robustness of the system.
“…Besides cars, hybrid and battery drives are being tested in aviation [58][59][60] or marine ships [61]. Decarbonisation in densely populated areas like cities, where fuel cell buses with a supercapacitor are being used successfully [62], is very important.…”
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