Research Article

An Ontology and AHP Based Quality Evaluation Approach for Reuse Parts of End-of-Life Construction Machinery

Table 6

Quality evaluation of a transition joint of EOL wheel loader.

NoAll the weights of 1st level evaluation featureAll the weights of 2nd level evaluation feature relative to 1st level featureScores of 2nd level evaluation feature judged by professional experts

1important dimensiontypeScore(0.0536)6
(weight:0.1429)deviationScore(0.0893)9
2subordinate dimensiontypeScore(0.0171)8
(weight:0.0857)deviationScore(0.0686)7
3geometric tolerancetypeScore(0.0750)8
(weight:0.2000)deviationScore(0.0125)7
4non-working surface damage
(weight:0.0286)
typeScore(0.0063)3
deviationScore(0.0117)4
locationScore(0.0105)6
5appearance damage
(weight:0.1143)
typeScore(0.0336)9
deviationScore(0.0454)8
locationScore(0.0605)9
6physical defect
(weight:0.2571)
typeScore(0.0756)7
deviationScore(0.0454)9
locationScore(0.1361)7
7assembly tolerancetypeScore(0.0343)6
(weight:0.1714)deviationScore(0.1371)8