An improvement on the PI controller for a class of high-order unstable delayed systems: Application to a thermal process

M.A. Hernández-Pérez, B. del Muro-Cuéllar, M. Velasco-Villa, D.F. Novella-Rodríguez, R.A. Garrido-Moctezuma, P.J. García-Ramírez

Resultado de la investigaciónrevisión exhaustiva

1 Cita (Scopus)

Resumen

This work addresses the stabilization and control problem of a class of input-output delayed unstable linear systems, i.e. n -order systems with one unstable pole and possibly one minimum phase zero. The problem is solved employing a modified version of the traditional PI, called the PI f controller, which incorporates a low-pass first order filter. This new scheme allows improving the existing results using the PI controller for high-order systems with time delay. The proposed control strategy is experimentally assessed through the temperature control of an unstable heat flow process.

Idioma originalEnglish
Páginas (desde-hasta)25-35
Número de páginas11
PublicaciónControl Engineering and Applied Informatics
Volumen20
N.º1
EstadoPublished - 1 ene 2018
Publicado de forma externa

All Science Journal Classification (ASJC) codes

  • Computer Science(all)
  • Electrical and Electronic Engineering

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