Research Article

Fuzzy Logic Control of an Automatic Changeover for the Management of a Grid-Connected Photovoltaic System

Table 3

Inputs and outputs of the fuzzy controller.

Inputs/outputsFuzzy setsRange

Input 1: irradiance denoted by G (in W/m2)Low−1 to 399.9
Medium400 to 699.9
High700 to 1005

Input 2: gird voltage denoted by Vac (in V)Absent−1 to 149.9
Present150 to 230

Input 3: battery SOC denoted by SOC (in %)Low−1 to 34.9
Medium35 to 94.9
Normal95 to 102

Output 1: PV supply signal, SpvZero0
One1

Output 2: grid supply signal, SnetZero0
One1

Output 3: battery supply signal, SbatZero0
One1

Output 4: PV’s battery charge signal, SbpvZero0
One1

Output 5: grid’s battery charge signal, SbnetZero0
One1