2nd Generation Avionics
The autopilot is designed as a modular system consisting of a UAV Control Unit and various sensors (GPS, gyroscope, accelerometers, altimeter, …) communicating through two independent CAN buses for high reliability. The data collected by various sensors is combined by a unique algorithm statistically evaluating validity of the data. Data from one particular sensor are merged with data obtained by another sensor based on sensor noise probability guess, which leads to more precise calculation of the UAV’s state. This topology benefits from using of redundant sensors that are working simultaneously without switching. When sensor malfunction occurs, only noise probability increases. Classical switching to backup device does not use all available sensors during normal operation.
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