6Astrom K J, Furuta K. Swinging up a pendulum by energy control. Automatica, 2000, 36(2): 287-295.
7Mason P, Broucke M, Piccoli B. Time optimal swing-up of the planar pendulum. IEEE Transactions on Automatic Confrol, 2008, 53(8): 1876-1886.
8Srinivasan B, Huguenin P, Bonvin D. Global stabilization of an inverted pendulum-control strategy and experimental verification. Automatica, 2009, 45(1): 265-269.
9Maravall D, Zhou C J, Alonso J. Hybrid fuzzy control of the inverted pendulum via vertical forces. International Journal of Intelligent Systems, 2005, 20(2): 195-211.
10Maravall D. Control and stabilization of the inverted pendulum via vertical forces. Robotic Welding, Intelligence and Automation, Lecture Notes in Control and Information Sciences. Berlin: Springer-Verlag, 2004, 299:190-211.