Table 6.

Fuzzy rule base

Rule no.Rule description
1If (occurrence is rare) and (severity is not harmful) then (risk is low)
2If (occurrence is rare) and (severity is slightly dangerous) then (risk is low)
3If (occurrence is rare) and (severity is moderate dangerous) then (risk is low)
4If (occurrence is rare) and (severity is dangerous) then (risk is moderate)
5If (occurrence is rare) and (severity is very dangerous) then (risk is moderate)
6If (occurrence is unlikely) and (severity is not harmful) then (risk is low)
7If (occurrence is unlikely) and (severity is slightly dangerous) then (risk is low)
8If (occurrence is unlikely) and (severity is moderate dangerous) then (risk is low)
9If (occurrence is unlikely) and (severity is dangerous) then (risk is moderate)
10If (occurrence is unlikely) and (severity is very dangerous) then (risk is moderate)
11If (occurrence is possible) and (severity is not harmful) then (risk is low)
12If (occurrence is possible) and (severity is slightly dangerous) then (risk is moderate)
13If (occurrence is possible) and (severity is moderate dangerous) then (risk is moderate)
14If (occurrence is possible) and (severity is dangerous) then (risk is high)
15If (occurrence is possible) and (severity is very dangerous) then (risk is high)
16If (occurrence is likely) and (severity is not harmful) then (risk is moderate)
17If (occurrence is likely) and (severity is slightly dangerous) then (risk is moderate)
18If (occurrence is likely) and (severity is moderate dangerous) then (risk is high)
19If (occurrence is likely) and (severity is dangerous) then (risk is high)
20If (occurrence is likely) and (severity is very dangerous) then (risk is very high)
21If (occurrence is almost certain) and (severity is not harmful) then (risk is moderate)
22If (occurrence is almost certain) and (severity is slightly dangerous) then (risk is moderate)
23If (occurrence is almost certain) and (severity is moderate dangerous) then (risk is high)
24If (occurrence is almost certain) and (severity is dangerous) then (risk is very high)
25If (occurrence is almost certain) and (severity is very dangerous) then (risk is very high)
Source: Created by author

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