Table 1 Fuzzy rules table.

From: Robust direct voltage control of stand-alone DFIG wind systems using a fractional-order fuzzy logic approach

\(\text{E}\) \(\dot{\text{E}}\)

PL

PM

ZE

NM

NL

PL

PL

PL

PL

PM

ZE

PM

PL

PM

PM

ZE

NM

ZE

PL

PM

ZE

NM

NL

NM

PM

ZE

NM

NM

NL

NL

ZE

NM

NL

NL

NL