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)

Steady state, oscillations and chaotic behavior of a gas inside a cylinder with a mobile piston controlled by PI and nonlinear control. - Manuel Pérez-Molina; Javier Gil Chica; Elena Fernández-Varó; Manuel Pérez Polo (Commun. Nonlinear Sci. Numer. Simul., 2016)