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Abstract

To improve effectively the dynamic performance and control accuracy of the variable frequency induction motor drive system (VFIMDS), which is a non-linear, strong-coupled and complex system, a novel linearization control method for the speed regulation problem is proposed in this paper. The new control strategy, named the least squares support vector machine (LSSVM) inverse, is based on the inverse system theory and the principle of LSSVM regression. The LSSVM inverse is composed of a LSSVM approximating the inverse model of the VFIMDS and an integrator. Firstly, the mathematical model of the VFIMDS is given and its invertibility is proved. Secondly, the inverse model of the VFIMDS is obtained by using the LSSVM. Thirdly, by combining the LSSVM inverse model with the original VFIMDS, a composite pseudo-linear system can be completed. Then, a linear close-loop adjustor is design to obtain the good speed regulating performance. Finally, simulation comparisons are carried out using the proposed method and the conventional proportional integral control method, and the results demonstrate that the variable frequency speed-regulating performances of the VFIMDS can be greatly improved by using the proposed method.

Keywords

Inverse system method least squares support vector machine (LSSVM)speed regulation variable frequency induction motor drive system (VFIMDS)

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References

Alanis

Sanchez

Loukianov

(2011) Real-time discrete backstepping neural control for induction motors. IEEE Transactions on Control Systems Technology 19: 359–366.

Alanis

Sanchez

Loukianov

Perez-Cisneros

(2010) Real-time discrete neural block control using sliding modes for electric induction motors. IEEE Transactions on Control Systems Technology 18: 11–21.

Boldea

Nasar

(1992) Vector Control of AC Drives. Boca Raton, FL: CRC Press.

Bose

(1992) Recent advances in power electronics. IEEE Transactions on Power Electronics 7: 2–16.

Dai

Zhang

(2001) MIMO system invertibility and decoupling control strategies based on ANN αth-order inversion. IEE Proceedings-Control Theory and Applications 148: 125–136.

Di Piazza

Ragusa

Vitale

(2011) An optimized feedback common mode active filter for vehicular induction motor drives. IEEE Transactions on Power Electronics 26: 3153–3162.

Fang

Ren

(2011) High-precision control for a single-gimbal magnetically suspended control moment gyro based on inverse system method. IEEE Transactions on Industrial Electronics 58: 4331–4342.

Feng

Liu

Y-F

Huang

(2004) A new robust algorithm to improve the dynamic performance on the speed control of induction motor drive. IEEE Transactions on Power Electronics 19: 1614–1627.

Hatua

Ranganathan

(2011) A novel VSI- and CSI-fed active-reactive induction motor drive with sinusoidal voltages and currents. IEEE Transactions on Power Electronics 26: 3936–3947.

10.

Kenne

Ahmed-Ali

Lamnabhi-Lagarrigue

Arzande

(2009) Real-time speed and flux adaptive control of induction motors using unknown time-varying rotor resistance and load torque. IEEE Transactions on Energy Conversion 24: 375–387.

11.

Lee

K-B

Blaabjerg

(2006) Improved sensorless vector control for induction motor drives fed by a matrix converter using nonlinear modeling and disturbance observer. IEEE Transactions on Energy Conversion 21: 52–59.

12.

Liu

Hung

Chiu

Lian

(2011) Sensorless linear induction motor speed tracking using fuzzy observers. IET Electric Power Applications 5: 325–334.

13.

Orlowska-Kowalska

Dybkowski

Szabat

(2010) Adaptive sliding-mode neuro-fuzzy control of the two-mass induction motor drive without mechanical sensors. IEEE Transactions on Industrial Electronics 57: 553–564.

14.

Peng

Vrancic

Hanus

(1996) Anti-windup, bumpless, and conditioned transfer techniques for PID controllers. IEEE Control Systems Magazine 16: 48–57.

15.

Rashed

Macconnell

PFA

Stronach

(2006) Nonlinear adaptive state-feedback speed control of a voltage-fed induction motor with varying parameters. IEEE Transactions on Industry Applications 42: 723–732.

16.

Sotiris

Tse

Pecht

(2010) Anomaly detection through a Bayesian support vector machine. IEEE Transactions on Reliability 59: 277–286.

17.

Sun

Zhu

Pan

(2009) Decoupling control of bearingless permanent magnet-type synchronous motor using artificial neural networks-based inverse system method. International Journal of Modelling, Identification and Control 8: 114–121.

18.

Suykens

JAK

Vandewalle

(1999) Least squares support vector machine classifiers. Neural Processing Letters 9: 293–300.

19.

Suykens

JAK

Vandewalle

(2000) Recurrent least squares support vector machines. IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications 47: 1109–1114.

20.

Vapnik

(1998) Statistical Learning Theory. New York/Chichester: Wiley.

21.

Vapnik

(1999) An overview of statistical learning theory. IEEE Transactions on Neural Networks 10: 988–999.

22.

Wai

R-J

Chuang

K-L

Lee

J-D

(2010) On-line supervisory control design for maglev transportation system via total sliding-mode approach and particle swarm optimization. IEEE Transactions on Automatic Control 55: 1544–1559.

23.

Wai

Chuang

(2010) Design of backstepping particle-swarm-optimisation control for maglev transportation system. IET Control Theory and Applications 4: 625–645.

24.

Wang

Lai

(2005) A new fuzzy support vector machine to evaluate credit risk. IEEE Transactions on Fuzzy Systems 13: 820–831.

25.

Xue

Chen

Yang

(2011) Structural regularized support vector machine: A framework for structural large margin classifier. IEEE Transactions on Neural Networks 22: 573–587.

26.

Yang

Bryant

Mawby

Xiang

Ran

Tavner

(2011) An industry-based survey of reliability in power electronic converters. IEEE Transactions on Industry Applications 47: 1441–1451.

27.

Yuan

Wang

(2008) SVM-based approximate model control for electronic throttle valve. IEEE Transactions on Vehicular Technology 57: 2747–2756.

Application of LSSVM inverse in a variable frequency induction motor drive system

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