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Speed control of doubly fed induction motor using backstepping control with interval type-2 fuzzy controller

Herizi Abdelghafour, Rouabhi Riyadh, Zemmit Abderrahim

Diagnostyka

2023

Vol. 24, No. 3

art. no. 2023301

The control of the doubly-fed induction motor is a complex operation because of this motor characterised by a non-linear multivariable dynamics, having settings that change over time and a significant link between the mechanical component and magnetic behavior (flux) (speed and couple). This article then proposes a new strategy of a robust control of this motor, which is decoupled due to the stator flux’s direction. The proposed control is integrated with the backstepping control which based on Lyapunov theory; this approach consists in constructively designing a control law of nonlinear systems by considering some state variables as being virtual commands, and the important branch of artificial intelligence type-2 fuzzy logic. The hybrid control backstepping-fuzzy logic consists in replacing the regulators applied to the backstepping control by regulators based on type-2 fuzzy logic. This control will be evaluated by numerous simulations where there is a parametric and non-parametric variation.

Cascade sliding mode control of a stator field oriented double fed induction motor drive

Abdessemed R., Nemmour A.L., Tomachevitch V.F.

Archives of Electrical Engineering

2002

Vol. 51, nr 4

371-387

This study deals with the application of sliding mode control theory to wound rotor induction motor with both its stator and rotor fed by two PWM voltage source inverter in which the system operates in stator field oriented control. Thus, after determining the model of the machine, a set of simple surfaces have been applied to a cascade structure and the associated control laws have been synthesised. Furthermore, in order to reduce chattering phenomenon, smooth control functions with appropriate threshold have been chosen. Simulation study based on idealized motor and inverter models is conducted to show the effectiveness of the proposed method.

Artykuł dotyczy zastosowania teorii sterowania z ruchem ślizgowym do silnika indukcyjnego ze stojanem i wirnikiem zasilanym z dwóch przekształtników napięciowych PWM, pracującego w systemie sterowania polowo zorientowanego względem strumienia stojana. Dla opracowanego modelu maszyny zastosowano układ prostych płaszczyzn sterowania kaskadowego i dokonano syntezy odpowiednich reguł sterowania. Ponadto, dla wyeliminowania zjawiska pulsacji, wykorzystano gładkie funkcje sterujące z odpowiednim progiem. Przeprowadzono badania symulacyjne wykazujące efektywność zaproponowanych układów sterowania.