GRA-TOPSIS-Based Model Predictive Torque Control for Induction Motor Without Weighting Factors

Model predictive torque control (MPTC) has been recognized as a promising control strategy for induction motor (IM) drives. However, the weighting factor for adjusting the relative weights of torque and flux terms must be tuned correctly under different operating conditions. Up to now, the tuning pr...

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Vydané v:IEEE transactions on power electronics Ročník 40; číslo 9; s. 12309 - 12320
Hlavní autori: Zhang, Yanqing, Jia, Danyang, Yin, Zhonggang, Luo, Peien
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: IEEE 01.09.2025
Predmet:
Cost function
Decision making
Gray relational analysis (GRA)
induction motor (IM)
Induction motors
model predictive torque control (MPTC)
Rotors
Stators
technique for order preference by similarity to ideal solution (TOPSIS)
Torque
Torque control
Torque measurement
Tuning
Vectors
weighting factor
ISSN:0885-8993, 1941-0107
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Popis
Shrnutí:Model predictive torque control (MPTC) has been recognized as a promising control strategy for induction motor (IM) drives. However, the weighting factor for adjusting the relative weights of torque and flux terms must be tuned correctly under different operating conditions. Up to now, the tuning process of weighting factor is still mainly based on engineering experience. In this article, a gray relational analysis-based technique for order preference by similarity to ideal solution (GRA-TOPSIS) is introduced as a solution for this issue, the proposed GRA-TOPSIS-MPTC eliminates the weighting factor tuning procedure and reduces the control complexity. As known, TOPSIS is one of the popular multicriteria decision-making methods used for the selection of optimal alternative from the various available alternatives. This article combines the gray relational analysis (GRA) and TOPSIS to further enhance the decision-making rationality. In the GRA-TOPSIS-MPTC system, the torque and flux control objectives are divided into two separate subcost function. Then, the torque and flux control errors are both standardized and evaluated based on the GRA-TOPSIS theory. The simulation and experimental results demonstrate that the proposed GRA-TOPSIS-MPTC, which has no weighting factor, achieves similar or even better control performance, and reduces the switching frequency than the conventional MPTC.
ISSN:0885-8993
1941-0107
DOI:10.1109/TPEL.2025.3563888