EXPERIMENTAL FUZZY MODAL CONTROL OF FLEXIBLE ROTOR USING ELECTROMAGNETIC ACTUATOR
Edson Hideki Koroishi1; Fabian Andres Lara-Molina1; Valder Steffen Jr2
1 Federal Technological University of Paraná - UTFPR; 2 Federal University of Uberlândia - UFU
doi:10.20906/CPS/COB-2015-0117
Resumo
The present contribution studies the Electromagnetic Actuator (EMA) as applied to vibration attenuation of flexible rotors. EMA uses electromagnetic forces to control the rotor vibration without mechanical contact. Due to the size of the system model, it was necessary to reduce the model of the rotating system. EMA is represented by a nonlinear model, which justifies the use of Fuzzy Logic Control. The FLCs were found to be well adapted for controlling structures with nonlinear behavior whose characteristics change considerably with respect to time. Since the modal states cannot be accessed directly during experimentation, they have to be rebuilt by using an estimation algorithm. Consequently, for determining the modal states the Kalman estimator is used. Finally, experimental results demonstrate the effectiveness of the methodology conveyed.
Palavras-chave: Fuzzy Modal Control; Electromagnetic Actuator; Flexible Rotor