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    • A simple nonlinear observer for state and unknown input estimation: DC motor applications 

      Martínez García, Citlaly; Astorga Zaragoza, Carlos Manuel; Reyes Reyes, Juan; Puig Cayuela, Vicenç; López Estrada, Francisco Ronay (2020-04-01)
      Article
      Open Access
      The contribution of this brief is to propose a method based on a simple nonlinear observer with an easy-to-compute observer gain, in order to achieve both state and unknown input (UI) estimation. Since the structure of the ...
    • Estimation of actuator and system faults via an unknown input interval observer for Takagi-Sugeno systems 

      Martínez García, Citlaly; Puig Cayuela, Vicenç; Astorga Zaragoza, Carlos Manuel; Madrigal Espinosa, Guadalupe; Reyes Reyes, Juan (2020-01-01)
      Article
      Open Access
      This paper presents a simultaneous state variables and system and actuator fault estimation, based on an unknown input interval observer design for a discrete-time parametric uncertain Takagi–Sugeno system under actuator ...