Synchronization in Finite Time of Fuzzy Neural Networks with Hybrid Delays and Uncertain Nonlinear Perturbations

Table 1

The meanings of sets, parameters, and vectors.

	Meaning
Set
	The set of all the real numbers
	The set of all positive real numbers
	The set of all n-dimensional real vectors
Vector
	The state vector of neurons in the drive system at time
	The state vector of neurons in the response system at time
	The state vector of neurons in the error system at time
	Control input
	The nonlinear vector contains parametric perturbations and other external disturbances
Parameters
n	The number of neurons in networks
	The positive constant
	Connection weight of the feedback template
	Connection weight of the feed-forward template
	The elements of the fuzzy feed-forward MIN/MAX template
	The elements of the discrete fuzzy feedback MIN/MAX template
	The elements of the distributed fuzzy feedback MIN/MAX template
	Fuzzy AND/OR operation
	Input and bias of the th neuron
	The discrete time-varying delays
	The distributed time-varying delays
	The activation functions of the th neuron