Selected Nature-Inspired Algorithms in Function of PM Synchronous Motor Cogging Torque Minimisation

• Autorzy: Cvetkovski Goga Vladimir , Petkovska Lidija

Identyfikatory

DOI

10.2478/pead-2021-0012

• Języki publikacji: EN

Abstrakty

EN

Both permanent magnet brushless DC motors and permanent magnet synchronous motors have attracted wide attention and are increasingly used in industrial high-performance applications in recent years. Those motors are known for their good electrical, magnetic and performance characteristics, but there is one parameter known as cogging torque that has a negative influence on the performance characteristics of the motor. This pulsating torque is generated as a result of the interaction between the stator teeth and the permanent magnets. The minimisation of the ripple of this torque in those permanent magnet motors is of great importance and is generally achieved by a special motor design which in the design process involves a variety of many geometrical motor parameters. In this research work, a novel approach will be introduced where two different nature-inspired algorithms, such as genetic algorithm (GA) and cuckoo search (CS) algorithm are used as an optimisation tool, in which the defined equation for the maximum value of the cogging torque is applied as an objective function. Therefore, a proper mathematical presentation of the maximum value of the cogging torque for the analysed synchronous motor is developed and implemented in the research work. For a detailed analysis of the three different motor models, the initial motor and the two optimised motor models are modelled and analysed using a finite element method approach. The cogging torque is analytically and numerically calculated and the results for all the models are presented.

Słowa kluczowe

EN

permanent magnet synchronous motor; optimisation method; cogging torque; genetic algorithm; finite element method

• Wydawca: De Gruyter
• Czasopismo: Power Electronics and Drives
• Rocznik: 2021
• Tom: Vol. 6 (41)
• Strony: 204--217
• Opis fizyczny: Bibliogr. 39 poz., rys., tab.

Twórcy

autor

Cvetkovski Goga Vladimir

• Ss.Cyril and Methodius University, Faculty of Electrical Engineering and Information Technologies, Skopje, North Macedonia

• https://orcid.org/0000-0002-2071-273X

autor

Petkovska Lidija

• Ss.Cyril and Methodius University, Faculty of Electrical Engineering and Information Technologies, Skopje, North Macedonia

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