A High-Performance Induction Motor Drive with 2DOF I-PD Model-Following Speed Controller

Fayez F. M. El-Sousy

A High-Performance Induction Motor Drive with 2DOF I-PD Model-Following Speed Controller

Fayez F. M. El-Sousy

Vol. 4, No. 4, pp. 217-227, Oct. 2004

10.6113/JPE.2004.4.4.217

Indirect field orientation control

2DOF I-PD controller

model following controllor (MFC)

Induction Motor Drive

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Abstract

A robust controller that combines the merits of the feed-back, feed-forward and model-following control for induction motor drives utilizing field orientation control is designed in this paper. The proposed controller is a two-degrees-of-freedom (2DOF) integral plus proportional & rate feedback (I-PD) speed controller combined with a model-following (2DOF I-PD MFC) speed controller. A systematic mathematical procedure is derived to find the parameters of the 2DOF I-PD MFC speed controller according to certain specifications for the drive system. Initially, we start with the I-PD feed-back controller design, then we add the feed-forward controller. These two controllers combine to form the 2DOF I-PD speed controller. To realize high dynamic performance for disturbance rejection and set point tracking characterisitics, a MFC controller is designed and added to the 2DOF I-PD controller. This combination is called a 2DOF I-PD MFC speed controller. We then study the effect of the 2DOF I-PD MFC speed controller on the performance of the drive system under different operating conditions. A computer simulation is also run to demonstrate the effectiveness of the proposed controller. The results verify that the proposed 2DOF I-PD MFC controller is more accurate and more reliable in the presence of load disturbance and motor parameter variations than a 2DOF I-PD controller without a MFC. Also, the proposed controller grants rapid and accurate responses to the reference model, regardless of whether a load disturbance is imposed or the induction machine parameters vary.

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Cite this article

[IEEE Style]

F. F. M. El-Sousy, "A High-Performance Induction Motor Drive with 2DOF I-PD Model-Following Speed Controller," Journal of Power Electronics, vol. 4, no. 4, pp. 217-227, 2004. DOI: 10.6113/JPE.2004.4.4.217.

[ACM Style]

Fayez F. M. El-Sousy. 2004. A High-Performance Induction Motor Drive with 2DOF I-PD Model-Following Speed Controller. Journal of Power Electronics, 4, 4, (2004), 217-227. DOI: 10.6113/JPE.2004.4.4.217.