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Study on Complex System Evaluation Method Based on PCA and Grey Relative Degree

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Author(s): Guang Pan | Ming Chang | Jun Jiang | Yongchun Li | Baowei Song

Journal: Advances in Molecular Imaging
ISSN 2161-6728

Volume: 03;
Issue: 01;
Start page: 16;
Date: 2012;
Original page

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

ABSTRACT
The complexity and limited data samples in evaluation of complex system are obstacles for traditional evaluation me-thod. 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.

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