Evaluation Method and Application of CNC Machine Tool’s Green Degree Based on Fuzzy-EAHP

Abstract

Abstract: A method applying the fuzzy extension analytic hierarchy process (EAHP) method is proposed to evaluate the green degree of CNC machine tool whose evaluation indexes of green degree can be qualitative and quantitative and multi-hierarchic. It can quantitatively show the relative important degree between indexes with the extension interval number. By the extension interval judging matrix of evaluation index constructed by the experts, the weight of the indexes is identified and the green degree is evaluated step by step with fuzzy synthetic evaluation method. At last the result of synthetical green degree is obtained with fuzzy comprehensive evaluation method. An example with machining center is given to evaluate its green degree. The result shows that the green degree of the machining center is medium. It is consistent with the reality.

Key words: CNC machine tool, Extension analytic hierarchy process, Fuzzy comprehensive evaluation, Green degree

CLC Number:

TG659

WANG Guiping;JIA Yazhou;ZHOU Guangwen. Evaluation Method and Application of CNC Machine Tool’s Green Degree Based on Fuzzy-EAHP[J]. , 2010, 46(3): 141-147.

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Evaluation Method and Application of CNC Machine Tool’s Green Degree Based on Fuzzy-EAHP

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