A multivariate data analysis method for dynamic system model verification
A dynamic system model and multivariate data technology, which is applied in the direction of electrical digital data processing, special data processing applications, character and pattern recognition, etc., can solve the problem of lack of nonlinear correlation between noise outputs of dynamic systems, achieve dimensionality reduction, and improve efficiency effect
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[0042] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0043] Embodiments of the present invention provide a multivariate data analysis method for dynamic system model verification, such as figure 1 As shown, let T=[t 1 ,t 2 ,...,t m ] T and C=[c 1 ,c 2,...,c m ] T Represents a matrix of size n×m experimental and simulation data, a vector is the experimentally measured time series and the simulated time series of the i-th test point, and n is the length of the time series. Adopt the multivariate data analysis method that the present invention faces dynamic system model verification, comprise the following steps:
[0044] Step 1: Data noise reduction and normalization
[0045] In order to reduce or eliminate the influence of data noise factors on the model confirmation results, the wavelet packet denoising technology is introduced to decompose and reconstruct the original experimental...
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