Regularized Least Squares Recursive Algorithm with Forgetting Factor for Identifying Parameters in the Grinding Process

Table 7

A List of symbols.

Symbols	Definition
	Coefficient of delay link
	Transfer function with delay link and inertia link
	Transfer function with inertia link
	The actual value of ore feeding quantity
	The actual value of classifier adding water quantity
	The actual value of the return sand quantity
	The actual value of classifier overflow concentration (%)
	Observed times
, U1K	The actual input signal of recorded data
	The actual output signal of recorded data
a	Parameters to be identified
	Uncorrelated random variable that subjects to distribution
	Normal distribution
F	The sum of residuals squares
N	Number of data group
	Forgetting factor )
	A factor
	Regularization parameter
	Gain matrix
	Criterion function of parameter estimation at
	True value of model parameters
	Eigenvalue of matrix )
	Nonzero eigenvector
	System input of equation (43)
	System output of equation (43)
	Parameters to be identified of equation (43)
	Length of observation data