2008
DOI: 10.1109/tie.2008.2003201
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Decoupled Current Control of Sensorless Induction-Motor Drives by Integral Sliding Mode

Abstract: This paper discusses the problems of current decoupling control and controller tuning associated with sensorless vector-controlled induction-motor (IM) drives. In field-oriented control, the d-q synchronous-frame currents should be regulated to have independent dynamics such that the torque production of the IM resembles that of a separately excited dc motor. However, these currents are not naturally decoupled, and decoupling compensators should be used. Current loop tuning is an additional problem, since cont… Show more

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Cited by 75 publications
(27 citation statements)
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“…Due to the system has robustness to the disturbance only on the sliding mode surface, to ensure the robustness, the motion of the system should be on the sliding mode surface as far as possible [5]. So the sliding mode surface is defined as…”
Section: The Design Of High Order Sliding Mode Compensator Controllermentioning
confidence: 99%
“…Due to the system has robustness to the disturbance only on the sliding mode surface, to ensure the robustness, the motion of the system should be on the sliding mode surface as far as possible [5]. So the sliding mode surface is defined as…”
Section: The Design Of High Order Sliding Mode Compensator Controllermentioning
confidence: 99%
“…where σ ωr 1 = −ke ωr − cω * r −ω * r and σ ωr2 = h. Then, the speed controller reads i * sq,eq = − l ωr σ ωr + σ ωr 1 + η ωr sgn(σ ωr ) σ ωr2 (22) with the sign function is defined by (6). Then (22) becomeṡ …”
Section: Speed Controller Designmentioning
confidence: 99%
“…Reduced and full order observers for flux and speed estimation of sensorless induction-motor drives are analyzed in [11]. In [6] the problems of current decoupling control and controller tuning associated with sensorless vector-controlled induction motor drives are studied. Parallel identification schemes for both speed and stator resistance of sensorless induction motor drives are proposed in [25] for a wide range of speed estimation.…”
Section: Introductionmentioning
confidence: 99%
“…To deal with these uncertainties, and to enhance the control performance, in recent years, many nonlinear control methods have been developed for the IM drive system, such as variable structure control (Liaw et al 2001), adaptive and robust control (Xia et al 2000;Ravi Teja and Chakraborty 2012), sliding mode control (SMC) (Li et al 2005;Comanescu et al 2008), higher-order sliding-mode control (Rashed et al 2005;Traoré et al 2008), fuzzy control, neural network control, wavelet neural net work control Castillo-Toledo et al 2008), hybrid control (Wai 2001;Wai et al 2002), optimal control (Bottura et al 2000;Attaianese and Timasso 2001), intelligent SMC (Wai et al 2002;Zhu et al 2011), supervisory control using genetic algorithm (Wai 2003;Su and Kung 2005) and so on. These approaches improve the control performance of the IM drive from different aspects.…”
Section: Introductionmentioning
confidence: 99%