An inventory of control systems for unmanned aircraft was completed for 15 systems from nine separate manufacturers. To complete the inventory, a taxonomy of control architectures was developed. The taxonomy identified four levels of horizontal aircraft control, four levels of vertical control, and three levels of speed control. The most automated level of control was a waypoint-level that was found to be present in all of the systems inventoried. Implications of these levels of control on design are discussed.
Pilots may benefit from surveillance technology that enhances their ability to maintain pre-determined distances from other aircraft during initial an...
It has been demonstrated that a number of different tool designs can be used to produce a sound friction stir welded joint in 0.250-in. 2024-T351. The...
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