The spherical design protects the inner components of the vehicle and allows the UAV to roll along the floor if the environment permits. The UAV can land and take-off from any orientation and come into contact with objects without puttingthe propellers at risk.
Flaps at the base of the sphere will generate roll and pitch moments as opposed to conventional swash plate designs while the coaxial setup will providethe necessary yaw moments and increase in thrust to volume ratio of the system. The flaps, placed below the propellers allow for decoupled roll and pitch control in a thrust vectoring manner.
The compact size of the vehicle was achieved by the appropriate selection of components such as the
ultra-nano-size servos and the 3-blade propellers. The aerial vehicle light-weight structure was made from plywood. The material was used in the construction of the vehicles frame and flaps.
The hardware architecture is composed of an embedded system, sensors, communication modules, servos, and electronic speed controls (ESCs)
Describes the system design, structure, and system integration of the UAV. Discusses the control design, Ultrasonic Altitude Localization, and sensors.
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