Fractional Order Controller Designing with Firefly Algorithm and Parameter Optimization for Hydroturbine Governing System

Table 1

Representative solutions of the system under load condition.

Controller structure	Solution number	ITAE
FOPID	1	0.08542	8.7075	2.6477	0.7961	1.1405	0.4296
	2	0.08013	8.9124	3.0568	0.8264	1.0873	0.4188
	3	0.07752	9.1135	3.2231	0.8412	1.0514	0.4103