Research Article

Controller Design for Rotary Inverted Pendulum System Using Evolutionary Algorithms

Figure 18

Experimental results of system responses using ACO-PID by adding a body mass to the end of pendulum and in the presence of disturbances: (a) pendulum angle, (b) arm angle, and (c) energy signal.
572424.fig.0018a
(a)
572424.fig.0018b
(b)
572424.fig.0018c
(c)