Research on Efficiency of Permanent-Magnet Synchronous Motor Based on Adaptive Algorithm of Fuzzy Control

Wangsheng Sun, Haiqing Si (), Jingxuan Qiu () and Jiayi Li
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Wangsheng Sun: College of General Aviation and Flight, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Haiqing Si: College of General Aviation and Flight, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Jingxuan Qiu: College of General Aviation and Flight, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Jiayi Li: College of General Aviation and Flight, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

Sustainability, 2024, vol. 16, issue 3, 1-23

Abstract: In today’s world, energy is undoubtedly one of the most significant problems. As the global electricity consumption continues to increase, electric motors, which are widely used as power devices, account for an increasingly prominent proportion of the energy consumed. Motors now consume about 45% of the total electricity in the world (60% in China); therefore, improving motor efficiency has become an important way to achieve carbon emission reduction and sustainable development. The aim of this research was to devise a new strategy to reduce CO 2 emissions other than by building green power factories, because even the building of green power factories produces a great deal of CO 2 emissions, and improving motor efficiency to reduce CO 2 emissions could contribute to sustainable development worldwide. However, the improvement of motor efficiency encounters challenges, such as nonlinearity and disturbances, which affect the motor performance and energy efficiency. To address this issue, this paper proposes a control algorithm for permanent-magnet synchronous motors (PMSMs) that is highly efficient and would be most widely used based on a fuzzy control adaptive forgetting factor. It aims to enhance the efficiency and accuracy of the online parameter estimation for the PMSM flux linkage, thereby achieving more precise and energy-efficient motor control. Firstly, the recursive least-squares parameter estimation algorithm is used to identify the parameters of the PMSM. This ensures that the parameter estimation values can be dynamically updated with data changes, adapting to the time-varying parameters. Secondly, the Padé approximation method is adopted, which is a method that does not depend on the motor hardware, to improve the accuracy of the linearized model of the motor. Finally, a control algorithm based on the fuzzy control adaptive forgetting factor algorithm is constructed on a physical experimental platform. A comparison of these results proves that the control technology under this algorithm provides a new energy-saving control strategy that can estimate the motor flux linkage parameters more accurately, help to reduce energy consumption, promote the use of clean energy, and achieve sustainable performance optimization.

Keywords: fuzzy self-adaption algorithm; permanent-magnet motor; magnet chain factors; motor efficiency; forgetting factor (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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