Yongchun Li, Baowei Song, Jun Jiang, Guang Pan, Ming Chang

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Northwestern Polytechnical University, Xi’an, China.
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Abstract: The complexity and limited data samples in evaluation of complex system are obstacles for traditional evaluation method. Based on Grey relative degree theory and principal components analysis (PCA) method, a novel systemic evaluation method is put forward in this paper. Firstly, standardization method is modified for evaluation objective, and the method includes expression (2) and (3). Secondly, for few schemes of complex system, grey relative degree, expression (5), is substituted for relation coefficient. At last, validity of the method is verified by evaluating 3 schemes of a type of UUV.

Keywords: Complex System; Systemic Evaluation; PCA, Grey Relative Degree

Cite this paper: Y. Li, B. Song, J. Jiang, G. Pan and M. Chang, "Study on Complex System Evaluation Method Based on PCA and Grey Relative Degree," Intelligent Control and Automation, Vol. 3 No. 1, 2012, pp. 16-19. doi: 10.4236/ica.2012.31002.

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