Table 2 The reference values and points of the primary term drift coefficient.

From: A novel optimization method for belief rule base expert system with activation rate

Linguistic terms

\(PS\)

\(PM\)

\(PL\)

\(PVL\)

Values

\(1 \times 10^{ - 6}\)

\(2 \times 10^{ - 6}\)

\(3 \times 10^{ - 6}\)

\(4 \times 10^{ - 6}\)