
doi: 10.1002/rnc.1325
AbstractIn this paper we propose a nonlinear control approach for the path‐tracking of an autonomous underactuated airship. A backstepping controller is designed from the airship nonlinear dynamic model including wind disturbances, and further enhanced to consider actuators saturation. Control implementation issues related to airship underactuation are also addressed, namely control allocation and an attitude reference shaping to obtain a faster error correction with smoother input requests. The results obtained demonstrate the capacity of an underactuated unmanned airship to execute a realistic mission including vertical take‐off and landing, stabilization and path‐tracking, in the presence of wind disturbances, with a single robust control law. Copyright © 2008 John Wiley & Sons, Ltd.
backstepping, Design techniques (robust design, computer-aided design, etc.), Application models in control theory, UAV, Nonlinear systems in control theory, nonlinear control, airship, underactuated vehicles, Control/observation systems governed by ordinary differential equations
backstepping, Design techniques (robust design, computer-aided design, etc.), Application models in control theory, UAV, Nonlinear systems in control theory, nonlinear control, airship, underactuated vehicles, Control/observation systems governed by ordinary differential equations
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