Research Article
Control System Design for a Ducted-Fan Unmanned Aerial Vehicle Using Linear Quadratic Tracker
Table 1
Control surface sign conventions.
| Flaps | Deflection | Sense | Effect |
| ①, ③ | Trailing edge left | | | ②, ④ | Trailing edge down | | | ①, ②, ③, ④ | Trailing edge counterclockwise | | |
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