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This paper uses ℋ-representation to extend the complete observability canonical forms of deterministic linear systems to stochastic systems. Three exact observability canonical forms of stochastic time-invariant systems are given. Two examples are supplied to show the effectiveness of our main results.
A new method to build melt index soft sensor is proposed based on improved orthogonal least squares (IOLS) for nonlinear polypropylene process. OLS model has good generalization and sparseness by combining parameter local regularization and leave-one-out mean square error in cost function. Orthogonal signal correction(OSC) is applied to preprocess OLS model in order to reduce the noise information...
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