A new nonlinear multivariable control strategy of induction motors |
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| Affiliation: | 1. Key Laboratory of Biologic Resources Protection and Utilization of Hubei Province, Hubei Minzu University, Enshi City, Hubei Province 445000, China;2. School of Chemical and Environmental Engineering, Hubei Minzu University, Enshi City, Hubei Province 445000, China;3. Department of Inorganic Chemistry, College of Science, China Pharmaceutical University, Nanjing City, Jiangsu Province 211169, China |
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| Abstract: | A new real-time control strategy for induction motors is introduced. This paper shows that rotor speed and rotor flux magnitude reference tracking of an induction machine can be originally obtained. The proposed control law is based on two points: an open-loop reference control which allows to obtain perfect tracking since outputs are planned and on a closed-loop strategy based on PI controllers for the stabilization around the desired trajectories. This innovative structure ensures rotor speed and rotor fluxes tracking despite uncertainties on rotor resistance and load torque variations. Simulation and experimental results, including an estimation of the rotor flux norm, are given to illustrate the originality and effectiveness of this control law. |
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