Feedback Controller Performance Assessment: General Interactor
The factorization of a simple or diagonal interactor matrix only requires a priori knowledge of the pure time-delays of each element in a transfer function matrix. The factorization of a general interactor matrix, however, requires a complete knowledge of, or, at least, the first few Markov parameter matrices of a MIMO process. The unitary interactor matrix as introduced by Peng and Kinnaert(1992), plays an important role in feedback controller performance assessment of processes with general interactor matrices. The estimation of the unitary interactor matrix using closed-loop data from simple closed-loop tests has been discussed in Chapter 5.
KeywordsCovariance Steam Nite Stripper
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