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- W150702495 abstract "Birds daily execute complex maneuvers out of reach for current UAVs of comparablesize, and these capacities are a least partly linked to efficient flapping kinematics. Thisarticle describes research efforts contributing to the ROBUR project that aims at producinga bird-sized UAV relying on such advanced kinematics.First, a multi-objective evolutionary algorithm was used to provide insights about therange of key mechanical parameters required for a 0.5 kg UAV flying horizontally at differ-ent speeds. Optimization lead to a minimum energy consumption of 20-50 W/kg for a 10-12m/s speed, with wing-beat frequencies between 3 to 5 Hz. The corresponding simulationsindicate that wing folding would substantially decrease the power consumption (25-44%)at medium to high speeds. Then, these results guided the design of a parallel flapping-wingmechanism based on two connected rod-crank devices. Wing motion is produced by fourposition-controlled brushless motors and the corresponding kinematic model is describedin this article. Wing folding mechanism design will be the subject of future work." @default.
- W150702495 created "2016-06-24" @default.
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- W150702495 date "2007-01-01" @default.
- W150702495 modified "2023-10-16" @default.
- W150702495 title "Flapping-wing flight in bird-sized uavs for the robur project: from an evolutionary optimization to a real flapping-wing mechanism" @default.
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