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OSCAR II is a twin-engine aerial demonstrator equipped with a monocular visual system, which manages to keep its gaze and its heading steadily fixed on a target (i.e., a dark edge or a bar) in spite of the severe random perturbations applied to its body via a ducted fan. The tethered robot stabilizes its gaze on the basis of two oculomotor reflexes (ORs) inspired by studies on animals: 1) a visual-fixation...
Embedding electronic control circuits onboard micro-air vehicles (MAVs) is a challenge in view of the stringent limitations in terms of mass, size, and power consumption. The propulsion unit is a cornerstone in the design of a MAV. In this study, we introduce a 'sensorless' speed governor (regulator) for a propulsion unit composed of a miniature propeller (diameter 12 cm), a reduction gear, and a...
Autonomous guidance of micro-air vehicles (MAVs) in unknown environments is a challenging task because these artificial creatures have small aeromechanical time constants, which make them prone to be disturbed by gusts of wind. Flying insects are subject to quite similar kinds of disturbances, yet they navigate swiftly and deftly. Flying insects display high- performance visuo-motor control systems...
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