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The CyberQuad is an electric ducted quadrotor Vertical Take Off and Landing (VTOL) Unmanned Aerial Vehicle (UAV). CyberQuad is a unique amalgamation of state-of-the-art VTOL UAV technologies, combining the mechanical simplicity, low noise, stability and agility of a quadrotor, with the compactness, safety and efficiency of ducted fans. With only four moving parts that are safely shrouded, the CyberQuad is low maintenance, easily transportable and rapidly deployable. |
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The CyberQuad employs direct drive brushless electric motors, avoiding the inefficiencies, maintenance and noise of gearboxes and internal combustion engines. By running relatively low speed rotors with the tips aero-dynamically entrained by the duct wall, BVI noise and tip losses are significantly reduced. CyberQuad does not employ swash plates, stabilizer bars, or tail rotors for control and differentially controls the four modular fans that are already being employed to create lift. Furthermore, it has counter rotating pairs of fans so that all gyroscopic dynamics and dissymmetry of lift issues are eliminated. CyberQuad employs inertial sensors and high frequency speed controllers to actively stabilize its attitude and heading. This allows both robust disturbances rejection in hover and high maneuverability if needed.
(Source: CyberQuad) |
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