Input-Output Feedback Linearization Control With On-Line MRAS-Based Inductor Resistance Estimation of Linear Induction Motors Including the Dynamic End Effects

被引:77
作者
Alonge, Francesco [1 ]
Cirrincione, Maurizio [2 ]
Pucci, Marcello [3 ]
Sferlazza, Antonino [1 ,3 ]
机构
[1] Univ Palermo, Dept Energy Informat Engn & Math Models DEIM, I-90128 Palermo, Italy
[2] Univ S Pacific, Sch Engn, Suva, Fiji
[3] Natl Res Council Italy CNR ISSIA, Inst Intelligent Syst Automat, Sect Palermo, I-90128 Palermo, Italy
关键词
End effects; feedback linearization (FL); linear induction motor (LIM); model reference adaptive system (MRAS) estimator; FIELD-ORIENTED CONTROL; MODEL; DRIVE;
D O I
10.1109/TIA.2015.2465939
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This paper proposes the theoretical framework and the consequent application of the input-output feedback linearization (FL) control technique to linear induction motors (LIMs). LIM, additionally to rotating induction motor, presents other strong nonlinearities caused by the dynamic end effects, leading to a space-vector dynamic model with time-varying inductance and resistance terms and a braking force term. This paper, starting from a recently developed dynamic model of the LIM taking into consideration its end effects, defines a FL technique suited for LIMs, since it inherently considers its dynamic end effects. Additionally, it proposes a technique for the on-line estimation of the inductor resistance, based on model reference adaptive system (MRAS) on-line estimator; it has been exploited for adapting on-line the FL control action versus inductor resistance variations leading to undesirable steady-state tracking errors. The stability of the proposed MRAS on-line estimator has been proven theoretically, adopting the Popov's criterion for hyperstability. The proposed approach has been validated experimentally on a suitably developed test setup, under both no load and loaded conditions. It has been compared firstly with the simplest control structure, which is the scalar V/f control, secondly under the same closed-loop bandwidths of the flux and speed systems, with the industrial standard in terms of high-performance control technique, i.e., field-oriented control.
引用
收藏
页码:254 / 266
页数:13
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