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/outputs | Fuzzy sets | Range |
| Input 1: irradiance denoted by G (in W/m2) | Low | −1 to 399.9 | Medium | 400 to 699.9 | High | 700 to 1005 |
| Input 2: gird voltage denoted by Vac (in V) | Absent | −1 to 149.9 | Present | 150 to 230 |
| Input 3: battery SOC denoted by SOC (in %) | Low | −1 to 34.9 | Medium | 35 to 94.9 | Normal | 95 to 102 |
| Output 1: PV supply signal, Spv | Zero | 0 | One | 1 |
| Output 2: grid supply signal, Snet | Zero | 0 | One | 1 |
| Output 3: battery supply signal, Sbat | Zero | 0 | One | 1 |
| Output 4: PV’s battery charge signal, Sbpv | Zero | 0 | One | 1 |
| Output 5: grid’s battery charge signal, Sbnet | Zero | 0 | One | 1 |
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