Quality-Oriented Classification of Aircraft Material Based on SVM
Table 1
Quality-oriented material classification list.
Types
Quality eigenvalue
Quality influence value
Quality cost
Attention
Quality -oriented material classification
General material
High
Low
Low
Unnecessary
Key material
High
Low
High
**
Lever-type material
High
High
Low
**
Core material
High
High
High
****
Adjustable material
Low
Low
Low
**
Risk material
Low
Low
High
****
Bottleneck-type material
Low
High
Low
***
Strategic material
Low
High
High
*****
More “∗” represent that we need to pay more attention to this type. For example, we should pay enough attention to strategic material with five “∗” during material management, whereas we can pay less attention to key material which just has two “∗”.