Research Article
Online Intelligent Controllers for an Enzyme Recovery Plant: Design Methodology and Performance
Table 3
Modified rule base after tuning the fuzzy PI controller.
| Error (ε) | Change-of-error (Δε) | NL | NM | NS | ZR | PS | PM | PL/%) |
| PL | NS | NS | NS | PL | PL | PL | PL | PM | NS | ZR | PS | PM | PL | PL | PL | PS | NM | NS | ZR | PS | PM | PL | PM | ZR | NL | NM | NS | ZR | PS | PM | PL | PS | NL | NL | NM | NS | ZR | PS | PS | NM | NL | NL | NL | NM | NS | ZR | ZR | NL | NL | NL | NL | NL | NM | NS | ZR |
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