Journal Article10.1007/S00170-016-9774-Y
Multi-variable process data compression and defect isolation using wavelet PCA and genetic algorithm
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TL;DR: An approach to data compression and defect isolation for the multi-variable process is characterizes by introducing the wavelet principal component analysis (PCA) and the genetic algorithms and describes both the defect isolation classical method by structuring the residues and the principle of optimizing a problem by the Genetic algorithms.
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Abstract: This paper characterizes an approach to data compression and defect isolation for the multi-variable process by introducing the wavelet principal component analysis (PCA) and the genetic algorithms. In the defect analysis process, data compression is a critical phase. In our case of study, this can be achieved through the wavelet PCA. We can, through the use of such a technique, filter the data noise and the measurement errors by combining the PCA and the wavelet analysis. The genetic algorithm optimization feature is then employed in structuring the residues of the defect isolation. We present the principle of the PCA as well as the wavelet compression property. Then, we describe both the defect isolation classical method by structuring the residues and the principle of optimizing a problem by the genetic algorithms. The proposed approach is implemented on a statistic system and the Tennessee Eastman process. In comparison with other previous methods, the obtained results mirror the performance of the approach to defect isolation.
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Optimal steady-state operation of the Tennessee Eastman challenge process
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