Table 4 Input and output MFs limitations and type.

From: Fuzzy controller-driven pattern search optimization for a DC–DC boost converter to enhance photovoltaic MPPT performance

MFs’s name

MFs’s type

Parameters

1st input (voltage)

 VVL

Trapezoidal

[1 386.5 61.5 151.75]

 VL

Triangular

[0 0 307.647]

 VM

Triangular

[82.9972 347.575 360]

 VH

Triangular

[149.25 249.75 374.5]

 VVH

Trapezoidal

[230.608 300.457 55.5994 400]

2nd input (current)

 CVL

Trapezoidal

[119.72 165.108 7.84393 148.157]

 CL

Triangular

[15 177.656 192.25]

 CM

Triangular

[103.562 147 198.5]

 CH

Triangular

[165.438 224.375 233.5]

 CVH

Trapezoidal

[99.9194 187.096 86.4415 146.684]

Output (reference voltage)

 RVL

Trapezoidal

[51.979 184.361 35.9688 154.997]

 RL

Triangular

[102 201 301]

 RM

Triangular

[212.289 309.239 376.271]

 RH

Triangular

[251.25 356.25 400]

 RVH

Trapezoidal

[346.5 397 400 400]

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