Open Access
ARTICLE
Improved Particle Swarm Optimization for Parameter Identification of Permanent Magnet Synchronous Motor
Shuai Zhou1, Dazhi Wang1,*, Yongliang Ni2, Keling Song2, Yanming Li2
1 School of Information Science and Engineering, Northeastern University, Shenyang, 110819, China
2 China Northern Vehicle Research Institute, Beijing, 100072, China
* Corresponding Author: Dazhi Wang. Email: 
(This article belongs to the Special Issue: Intelligent Computing Techniques and Their Real Life Applications)
Computers, Materials & Continua https://doi.org/10.32604/cmc.2024.048859
Received 20 December 2023; Accepted 14 March 2024; Published online 24 April 2024
Abstract
In the process of identifying parameters for a permanent magnet synchronous motor, the particle swarm optimization method is prone to being stuck in local optima in the later stages of iteration, resulting in low parameter accuracy. This work proposes a fuzzy particle swarm optimization approach based on the transformation function and the filled function. This approach addresses the topic of particle swarm optimization in parameter identification from two perspectives. Firstly, the algorithm uses a transformation function to change the form of the fitness function without changing the position of the extreme point of the fitness function, making the extreme point of the fitness function more prominent and improving the algorithm’s search ability while reducing the algorithm’s computational burden. Secondly, on the basis of the multi-loop fuzzy control system based on multiple membership functions, it is merged with the filled function to improve the algorithm’s capacity to skip out of the local optimal solution. This approach can be used to identify the parameters of permanent magnet synchronous motors by sampling only the stator current, voltage, and speed data. The simulation results show that the method can effectively identify the electrical parameters of a permanent magnet synchronous motor, and it has superior global convergence performance and robustness.
Keywords
Transformation function; filled function; fuzzy particle swarm optimization algorithm; permanent magnet synchronous motor; parameter identification
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