Flight testing of small UAV's requires a small, lightweight computer system on board the aircraft. To obtain quality data and correctly implement control systems the system must have a hard real time operating system.Real Time Linux has been installed on a PC104 system and interfaced to the UAV's tranducers, actuators and radio control system. The system has been used to implement a full set of attitude controllers and a navigator for autonomous flight tests of a UAV. The system has also been used to collect data during flight tests of a general aviation aircraft. The paper will discuss the use of Real Time Linux in the flight critical system.

(Paper not available)

 
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