Tuning of a PID controlled gyro by using the bifurcation theory. - Manuel Pérez Polo; Pedro Albertos; José Ángel Berná Galiano (Syst. Control. Lett., 2008)

Stability and chaotic behavior of a PID controlled inverted pendulum subjected to harmonic base excitations by using the normal form theory. - Manuel Pérez Polo; Manuel Pérez-Molina; Javier Gil Chica; José Ángel Berná Galiano (Appl. Math. Comput., 2014)