• A bounded positive nonlinear PI controller for double-pipe heat exchangers 

      Zavala Río, Arturo; Astorga Zaragoza, Carlos Manuel; Adam Medina, Manuel; Brizuela Mendoza, Jorge Aurelio; Hernández González, Omar (2012)
      "In this work, temperature regulation of double-pipe heat exchangers is considered. The positive (unidirectional) and bounded features of the flow rate input variable are taken into account in the analysis. As a result, a ...