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Sensorless Simplified Finite Control Set Model Predictive Control of SynRM Using Finite Position Set Algorithm
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DOI：10.1109/ACCESS.2021.3068085.png)
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摘要
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The sensorless application of predictive control in drive applications has been investigated for a decade. Finite control set model predictive control (FCS-MPC) is one of the easy and practical methods in the predictive category. Several methods have been investigated for the sensorless application of FCS-MPC. Since the sensitivity of the predictive method to the speed error is more than that of the classical control methods, sophisticated speed estimators should be used in this method. The model reference adaptive system (MRAS) has been the most successful estimator. The main problem of this estimator is tuning the coefficients in different operating points and the stability of the adaptive function. The finite position set technique is a very recent solution. In this method, the adaptive function is used as the cost function and the optimum rotor position is selected by minimizing that. However, the numerous iteration is a barrier for application to the predictive method. Also, the application of the method for the synchronous reluctance motor (SynRM) is a challenge because of the lack of the rotor model as the adaptive function. In this paper, the finite position technique is modified for the predictive application. The number of iterations is reduced by an optimization method based on sensitivity analysis. Also, a new and simple function is used as the adaptive error function in order to apply the method to the sensorless control of the SynRM. The proposed method is evaluated by simulation and experiment.
Keyword:
Reluctance motors
Adaptation models
Rotors
Mathematical model
Cost function
Predictive control
Prediction algorithms
Motor drives
predictive control
synchronous reluctance motor
sensorless control
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期刊
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3.6
论文数:
9.8W
被引数:
29.4W
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