Industrial Control Engineering

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Hybrid Fuzzy-PI Speed Control of Five Phase Induction Motor Vector Control
(Addis Ababa University, 2018-09) Abera, Assebe; Mengesha, Mamo (PhD)
In this thesis hybrid Fuzzy-PI control speed control of five-phase induction motor vector control is modeled. For modeling purpose five phase squirrel-cage induction motor is selected. This selected motor is analyzed on d-q synchronously rotating reference frame. Also third and fifth harmonics did not considered & fundamental harmonics is taken in to consideration. In this thesis hybridization technique is applied by connecting both Fuzzy and PI controllers in parallel, giving a common error for both of them from speed comparator output. The operation sequence first starts from FLC. Then, FLC tunes constants of PI ( & ), then PI controller produces command torque depending on values of ( & ) tuned by FLC. Simulation output results show that the transient response of Fuzzy-PI is better than that of PI transient performances. For this work Matlab/Simulink is used in modeling and verification of models performances.