| 摘要 |
A UAV or watercraft includes a navigation system that is configured to identify and make use of convective energy in a fluid medium through which it travels. The energy is used to provide movement through the medium and extend vehicle endurance or range without the need for additional fuel. In particular, the vehicle includes one or more sensors that are adapted to detecting such energy sources, and a controller that allows the vehicle to autonomously exploit them for energy gain while conducting a useful mission. In particular implementations, the vehicle may also include sensors and a feedback loop for adjusting lift profile of airfoils or hydrofoils to improve lift efficiency.
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