Identification of MIMO Hammerstein System Using Non-Stationary Separable Inputs
2020 International Automatic Control Conference (CACS)(2020)
摘要
In correlation analysis, “separable” input signals have been well studied for the identification of Hammerstein systems, but mainly in the stationary setting. Non-stationarity arises in MISO or MIMO systems in which multiple inputs are individually separable but not jointly stationary. This paper gives a rigorous extension of separability and the associated invariance property to non-jointly-stationary processes, of which a class of random phase-modulated sinusoids is proposed for the direct identification of the linear block of a MIMO Hammerstein system.
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关键词
System identification,MIMO Hammerstein model,non-stationary random process,separable signal
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