Feedforward Feedback Pitch Control for Wind Turbine Based on Feedback Linearization with Sliding Mode and Fuzzy PID Algorithm

Table 5

The parameters of the proposed controller.

Symbols	Parameters	Values
	Constant defined in sliding mode algorithm	10
	The universe of rotor deviation
	The universe of rotor deviation changing rate
	The universe of proportionality coefficent
	The universe of integral coefficient
	The universe of differential coefficient
	The value of the error universe	0.003
	The value of the error changing rate universe	0.008
	The coefficient of universe scaling factor	0.9
	The coefficient of universe scaling factor	0.9
	The coefficient of universe scaling factor	0.4
	A full small positive number	0.00001