Youssef, T.Chadli, MohammedZelinka, IvanZelmat, M.2015-12-092015-12-09201321945357https://dspace.univ-boumerdes.dz/handle/123456789/2507enChaotic systemProportional Integral ObserverSynchronizationTS fuzzy modelsUnknown input reconstructionUnmeasurable decision variablesUnknown input proportional integral observer design for chaotic TS fuzzy modelsArticle