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Full-Pose Tracking Control for Aerial Robotic Systems with Laterally-Bounded Input Force. (arXiv:1605.06645v2 [math.OC] UPDATED)
来源于:arXiv
In this paper, we define a general class of abstract aerial robotic systems
named Laterally Bounded Force (LBF) vehicles, in which most of the control
authority is expressed along a principal thrust direction, while in the lateral
directions a (smaller and possibly null) force may be exploited to achieve
full-pose tracking. This class approximates well platforms endowed with
non-coplanar/non-collinear rotors that can use the tilted propellers to
slightly change the orientation of the total thrust w.r.t. the body frame. For
this broad class of systems, we introduce a new geometric control strategy in
SE(3) to achieve, whenever made possible by the force constraints, the
independent tracking of position-plus-orientation trajectories. The exponential
tracking of a feasible full-pose reference trajectory is proven using a
Lyapunov technique in SE(3). The method can deal seamlessly with both under-
and fully-actuated LBF platforms. The controller guarantees the tracking of at
least the posi 查看全文>>