Multi-Objective Optimization Design of the External Rotor Permanent Magnet-Assisted Synchronous Reluctance Motor Based on the Composite Algorithm

Based on the complex structural characteristics of permanent magnet-assisted synchronous reluctance motors (PMA-SynRMs), this paper proposes a multi-objective optimization design method for the motor using a composite algorithm. Firstly, the power density, electromagnetic torque, cogging torque, and...

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Veröffentlicht in:Electronics (Basel) 2023-10, Vol.12 (19), p.4004
Hauptverfasser: Li, Guoshuai, Sun, Huiqin, Hu, Weiguang, Li, Ying, Bai, Yongqiang, Guo, Yingjun
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container_issue 19
container_start_page 4004
container_title Electronics (Basel)
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creator Li, Guoshuai
Sun, Huiqin
Hu, Weiguang
Li, Ying
Bai, Yongqiang
Guo, Yingjun
description Based on the complex structural characteristics of permanent magnet-assisted synchronous reluctance motors (PMA-SynRMs), this paper proposes a multi-objective optimization design method for the motor using a composite algorithm. Firstly, the power density, electromagnetic torque, cogging torque, and torque fluctuation coefficient were used as optimization targets based on parametric analysis data of 14 motor structure variables, where parametric sensitivity analysis helped select eight optimization variables. Secondly, the motor prediction model was fitted using the genetic algorithm–back propagation (GA-BP) neural network. Finally, non-dominated sorting genetic algorithm-III (NSGA-III), based on the reference points, was used to find the optimization of the prediction model and complete the multi-objective optimization design of the external rotor PMA-SynRM with eight inputs and four outputs. A comparative analysis of the electromagnetic performance of the motor before and after optimization verifies the feasibility of optimizing the motor using the composite algorithm. This paper provides an analytical tool for the multi-parameter and multi-objective PMA-SynRM optimization design.
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subjects Back propagation networks
Design optimization
Design techniques
Electric motors
Genetic algorithms
Magnetic fields
Multiple objective analysis
Neural networks
Objectives
Parameter sensitivity
Parametric analysis
Permanent magnets
Prediction models
Reluctance
Rotors
Sensitivity analysis
Sorting algorithms
Torque
Variables
title Multi-Objective Optimization Design of the External Rotor Permanent Magnet-Assisted Synchronous Reluctance Motor Based on the Composite Algorithm
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