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Robust SVM-direct torque control of induction motor based on sliding mode controller and sliding mode observer

Frontiers in Energy 2020年第4期14卷 836-849页

作者： Abdelkarim AMMAR Amor BOUREK abdelhamid benakcha LGEB Laboratory Department of Electrical EngineeringUniversity of BiskraBiskraBP 145Algeria

This paper proposes a design of control and estimation strategy for induction motor based on the variable structure *** describes a coupling of sliding mode direct torque control(DTC)with sliding mode flux and speed *** algorithm uses direct torque control basics and the sliding mode approach.A robust electromagnetic torque and flux controllers are designed to overcome the conventional SVM-DTC draw・backs and to ensure fast response and full reference tracking with desired dynamic behavior and low ripple *** sliding mode controller is used to generate reference voltages in stationary frame and give them to the controlled motor after modulation by a space vector modulation(SVM)*** second aim of this paper is to design a sliding mode speed/flux observer which can improve the control performances by using a sensorless algorithm to get an accurate estimation,and consequently,increase the reliability of the system and decrease the cost of using *** effectiveness of the whole composed control algorithm is investigated in different robustness tests with simulation using Matlab/Simulink and verified by real time experimental implementation based on dS pace 1104 board.

关键词： induction motor direct torque control(DTC) space vector modulation(SVM) sliding mode control(SMC) sliding mode observer(SMO) dS1104

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Classical state feedback controller for nonlinear systems using mean value theorem： closed Ioop-FOC of PMSM motor application

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Frontiers in Energy 2015年第4期9卷 413-425页

作者： Abrar ALLAG abdelhamid benakcha Meriem ALLAG Ismail ZEIN Mohamed Yacine AYAD LGEB Laboratory Department of Electrical Engineering University of Biskra Biskra BP 145 Algeria R&D Industrial Hybrid Vehicle Applications Belfort 90010 France

The problem of state feedback controllers for a class of Takagi-Sugeno （T-S） Lipschitz nonlinear systems is investigated. A simple systematic and useful synthesis method is proposed based on the use of the differential mean value theorem （DMVT） and convex theory. The proposed design approach is based on the mean value theorem （MVT） to express the nonlinear error dynamics as a convex combination of known matrices with time varying coefficients as linear parameter varying （LPV） systems. Using the Lyapunov theory, stability conditions are obtained and expressed in terms of linear matrix inequalities （LMIs）. The controller gains are then obtained by solving linear matrix inequalities. The effectiveness of the proposed approach for closed loop-field oriented control （CL-FOC） of permanent magnet synchronous machine （PMSM） drives is demonstrated through an illustrative simulation for the proof of these approaches. Furthermore, an extension for controller design with parameter uncertainties and perturbation performance is discussed.

关键词： Takagi-Sugeno (T-S) fuzzy systems sectornonlinearity nonlinear controller linear matrix inequality(LMI) approach differential mean value theorem (DMVT),field oriented control (FOC) linear parameter varying(LPV)

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