Metaheuristic optimization of predictive torque control for induction motor control

Year 2022, Volume: 11 Issue: 1, 55 - 61, 14.01.2022

Aycan Gürel Emrah Zerdali

https://doi.org/10.28948/ngumuh.969734

Cited By: 2

Abstract

Predictive torque control (PTC) is a high-performance control method of induction motors (IMs), which is still open to research. It provides many advantages over mature control techniques, such as straightforward imple-mentation, the ability to handle nonlinearities, easy inclusion of additional control objectives, and modulator-free structure. However, it has problems with the selection of weighting factors (WFs) involved in the cost function in PTC. In conventional PTC, these WFs are generally selected by the trial-and-error method. Also, a few studies optimize these WFs with a multi-objective optimization algorithm using both torque and flux errors. In this paper, the WF associated with the flux component is optimized by a genetic algorithm over the speed errors only. The optimized PTC is verified by simulation studies considering different operating conditions. Finally, good control performance has been achieved.

Keywords

Induction motor, Predictive torque control, Metaheuristic optimization

Supporting Institution

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Thanks

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Asenkron motor kontrolü için öngörülü moment kontrolünün metasezgisel optimizasyonu

Abstract

Öngörülü moment kontrolü (ÖMK), asenkron motorların (ASM’lerin) hala araştırmaya açık olan yüksek başarımlı kontrol yöntemlerinden biridir. Olgun kontrol tekniklerine kıyasla basit uygulama, doğrusal olmayan durumlarla başa çıkma yeteneği, ek kontrol hedeflerinin kolay dahil edilmesi ve modülatör içermeyen yapı vb. birçok üstünlük sağlamaktadır. Ancak, ÖMK maliyet fonksiyonunda yer alan ağırlıklandırma faktörlerinin (AF'lerin) seçimi ile ilgili sorunlara sahiptir. Geleneksel ÖMK’de bu AF’ler genellikle deneme-yanılma yöntemiyle seçilmektedir. Ayrıca, birkaç çalışma bu AF’leri hem moment hem de akı hatalarını kullanarak çok-amaçlı bir optimizasyon algoritması ile optimize eder. Bu çalışmada, akı bileşeniyle ilişkili AF, yalnızca hız hataları üzerinden bir genetik algoritma ile optimize edilmiştir. Optimize edilmiş ÖMK, farklı çalışma koşulları dikkate alınarak benzetim çalışmaları ile doğrulanmıştır. Son olarak, iyi bir kontrol performansı elde edilmiştir.

Keywords

Asenkron motor, Öngörülü moment kontrolü, Metasezgisel optimizasyon

Project Number

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