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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.





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

Source: http://www.scirp.org/



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