Title :
An observer for the Newton´s cradle: a nonlinear mechanism unobservable in the absence of impacts
Author :
Menini, Laura ; Tornambe, Antonio
Author_Institution :
Dip. Informatica, Sistemi e Produzione, Univ. di Roma, Italy
Abstract :
We consider a simplified Newton´s cradle. An observer is proposed that asymptotically estimates all the nonmeasurable state variables, in presence of a infinite sequence of non-smooth impacts.
Keywords :
asymptotic stability; nonlinear systems; observers; pendulums; Newton cradle; asymptotic stability; error dynamics; observers; pendulums; state estimation; Equations; Gravity; History; Informatics; Mechanical variables control; Observers; Position measurement; State estimation; Time measurement; Torque;
Conference_Titel :
Decision and Control, 2002, Proceedings of the 41st IEEE Conference on
Print_ISBN :
0-7803-7516-5
DOI :
10.1109/CDC.2002.1184582