Sliding Mode Control Approaches for an Autonomous Unmanned Airship

[Abstract] This paper presents the research developments for the global nonlinear control of an autonomous airship, covering the full flight envelope from hovering to aerodynamic flight. It focuses on the longitudinal control of the airship using two different Sliding Mode control techniques that are the classical sliding mode and the unit vector approach. The design methodologies for both techniques are presented along with some representative simulation results.

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