Article ID Journal Published Year Pages File Type
723067 IFAC Proceedings Volumes 2007 6 Pages PDF
Abstract

This work deals with the global exponential stabilization of the origin of 6- DOF AUVs. The control law is time-invariant and continuous. Unit quaternions are used as representation of orientation, preventing problems caused by the Euler singularity. No simplifications are made in kinematics or dynamics. A strict Lyapunov function is also developed for the controlled system. The system is proven to be ISS with respect to disturbances. This work also presents some highly useful results regarding unit quaternions, and presents a global diffeomorphism for position that eases controller design. Results are verified with simulations on the HUGIN 1000 AUV.

Related Topics
Physical Sciences and Engineering Engineering Computational Mechanics