Adaptive quaternion tracking with nonlinear extended state observer
Sign Up to like & getrecommendations! Published in 2017 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2017.07.010
Abstract: Abstract This paper addresses the problem of attitude tracking for spacecraft in the presence of uncertainties in moments of inertia and environmental disturbances. An adaptive quaternion tracking control is combined with a nonlinear extended state… read more here.
Keywords: adaptive quaternion; extended state; nonlinear extended; quaternion tracking ... See more keywords
Composite nonlinear extended state observer and its application to unmanned ground vehicles
Sign Up to like & getrecommendations! Published in 2021 at "Control Engineering Practice"
DOI: 10.1016/j.conengprac.2021.104731
Abstract: Abstract In this paper, a disturbance-observer-based control strategy is proposed for longitudinal control and lateral control of unmanned ground vehicles. A composite nonlinear extended state observer is put forward to estimate the total disturbance. A… read more here.
Keywords: unmanned ground; nonlinear extended; extended state; state observer ... See more keywords
Geometrically nonlinear extended isogeometric analysis for cohesive fracture with applications to delamination in composites
Sign Up to like & getrecommendations! Published in 2021 at "Finite Elements in Analysis and Design"
DOI: 10.1016/j.finel.2021.103527
Abstract: Abstract We propose a geometrically nonlinear extended isogeometric analysis approach for cohesive fracture. A shifting technique is used to enforce compatibility in the direction perpendicular to the crack path, while a blending technique has been… read more here.
Keywords: geometrically nonlinear; extended isogeometric; nonlinear extended; cohesive fracture ... See more keywords