We review the main design techniques of state observer for continuous-time dynamical systems, namely algorithms which reconstruct online full information a process on basis partially measured data. Starting from necessary conditions existence such asymptotic observers, we classify available methods depending detectability/observability assumptions they require. show how each class relies transf...

it is firstly proved that the multi-input-single-output (miso) fuzzy systems based on interval-valued $r$- and $s$-implications can approximate any continuous function defined on a compact set to arbitrary accuracy.  a formula to compute the lower upper bounds on the number  of interval-valued fuzzy sets needed to achieve a pre-specified approximation  accuracy for an arbitrary multivariate con...