Direct-foc With Fuzzy Current Control For Asynchronous Machine

The conventional direct field oriented control scheme has two PI current controllers, and with the aim to reduce the quantity of these controllers, it is proposed a unique Fuzzy Current Controller (FCC) to substitute both PI controllers. The FCC calculates the quadrature components of the stator voltage vector, necessary to maintain the load. The rule base for the proposed controller is defined as a function of the stator current error components. The FCC takes trapezoidal and triangular membership functions for fuzzification of its inputs. The performance of the proposed FCC controller is analyzed through several tests such as: trapezoidal and triangular profile speed reversion, a step change in speed reference and a step change in the load reference with constant speed. The Experimental results show that the proposed FCC ensures decoupling current control and low current ripple, validating the proposed controller. © 2013 IEEE.307312The Institute of Electrical and Electronics Engineers (IEEE),IEEE Industrial Electronics Society (IES),IEEE Technology Management Council,IEEE Region 8,IEEE South Africa Section IE/IA/PEL Joint ChapteBlaschke, F., The principle of field orientation as applied to the new transvector closed-loop control system for rotating field machines (1972) Siemens Review, 39 (5), pp. 217-220. , MayTakagi, T., Sugeno, M., Fuzzy identification of systems and its applications to modeling and control (1985) IEEE Transactions on Systems, Man, and Cybernetics, 14 (1), pp. 116-132. , Jan/FebHakju, L., Jaedo, L., Sejin, S., Approach to fuzzy control of an indirect field-oriented induction motor drives (2001) Industrial Electronics, 2001. Proceedings. ISIE 2001. IEEE International Symposium on, 2, pp. 1119-1123. , vol.2Badr, B., Eltamaly, A., Alolah, A., Fuzzy controller for three phases induction motor drives (2010) Vehicle Power and Propulsion Conference (VPPC), 2010 IEEE, pp. 1-6. , septMechernene, A., Zerikat, M., Chekroun, S., Indirect field oriented adaptive control of induction motor based on neuro-fuzzy controller (2010) Control Automation (MED), 2010 18th Mediterranean Conference on, pp. 1109-1114. , juneDouiri, M.R., Cherkaoui, M., Essadki, A., Genetic algorithms based fuzzy speed controllers for indirect field oriented control of induction motor drive (2012) International Journal of Circuits, Systems and Signal Processing, 6 (1), pp. 21-28Profumo, F., Griva, G., Donescu, V., Self tuning fuzzy logic current control for high performance induction motor drives (1998) Industrial Electronics Society, 1998. IECON '98. Proceedings of the 24th Annual Conference of the IEEE, 3, pp. 1871-1876. , aug-4 sep, vol.3Dubois, P.H.D., Yager, R.E., (1993) Fuzzy Sets for Intelligent Systems, , Morgan Kaufmann Publishers1st edition (August 1993)Vas, P., (1998) Sensorless Vector and Direct Torque Control, , Oxford University PressQuang, N., Dittrich, J., (2008) Vector Control of Three-Phase AC Machines, , SpringerBertoluzzo, M., Buja, G., Menis, R., A direct torque control scheme for induction motor drives using the current model flux estimation (2007) Diagnostics for Electric Machines, Power Electronics and Drives, 2007. SDEMPED 2007. IEEE International Symposium on, pp. 185-190. , septHu, J., Wu, B., New integration algorithms for estimating motor flux over a wide speed range (1998) Power Electronics, IEEE Transactions on, 13 (5), pp. 969-977. , sepPedrycz, W., Gomide, F., (2007) Fuzzy Systems Engineering Toward Human- Centric Computing, , Wiley-IEEE PressGupta, M.M., Qi, J., Design of fuzzy logic controllers based on generalized t-operators (1991) Fuzzy Sets and Systems, 40 (3), pp. 473-489Gupta, M.M., Qi, J., Theory of t-norms and fuzzy inference methods (1991) Fuzzy Sets and Systems, 40 (3), pp. 431-45