Design and Multi‐Objective Optimisation of Double‐Sided Flux‐Concentrating and Stacked‐Winding Permanent Magnet Linear Motor.
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| Název: | Design and Multi‐Objective Optimisation of Double‐Sided Flux‐Concentrating and Stacked‐Winding Permanent Magnet Linear Motor. |
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| Autoři: | Wang, Ying, Xia, Aoni, Hu, Yu, Liu, Yuxuan, Xiao, Aoyu |
| Zdroj: | IET Electric Power Applications (Wiley-Blackwell); Jan2025, Vol. 19 Issue 1, p1-13, 13p |
| Témata: | MULTI-objective optimization, PERMANENT magnet motors, FINITE element method, ELECTROMAGNETIC forces, THRUST, PARTICLE swarm optimization |
| Abstrakt: | Aiming at the problems of large normal force, large electromagnetic force pulsation and high cost of permanent magnet track of permanent magnet linear motor (PMLM), this paper proposes a novel double‐sided flux‐concentrating and stacked‐winding permanent magnet linear motor (DFS‐PMLM). To seek a PMLM with high thrust density and low electromagnetic force pulsation, this paper analyses and compares various motor structures and then optimises the parameters of the proposed motor structure. During optimisation, the objective function is first determined and then a Kriging model is established. Global optimisation is then performed within the agent model using the genetic algorithm‐particle swarm optimisation (GA‐PSO) and nondominated sorting genetic algorithm II (NSGA‐II) sequentially. Finally, the structural parameters optimised by NSGA‐II are more capable of improving the performance of the motor as verified by finite element simulation. Compared to conventional motors, the DFS‐PMLM achieves a thrust of 506 N, a 30.3% increase in volumetric thrust density; a thrust fluctuation of 11.8%, a 62.5% reduction and a normal force of 21 N, a 2124 N reduction. Overall, the DFS‐PMLM has higher thrust density, lower normal force and lower thrust fluctuation than conventional motors. [ABSTRACT FROM AUTHOR] |
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| Databáze: | Complementary Index |
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