高霍尔位置检测精度的圆筒型永磁同步直线电机设计

doi:10.19595/j.cnki.1000-6753.tces.201339

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Abstract With the advantages of low cost and high robustness, linear hall sensors are utilized to detect the mover position of the tubular permanent magnet synchronous linear motor (TPMSLM). However, the position detection accuracy of linear hall sensor is affected by magnetic field harmonics. To reduce the harmonics, the TPMSLM was designed by reliability-based robust design optimization (RBRDO) considering the manufacturing tolerance. Firstly, a model of the position identification and thrust force analysis was established. The relationship between design variables and design objectives was analyzed. Then, the response surface model of design objectives was established by the neural network. The probability constraints were obtained by Pareto optimal front under different thrust coefficients. Finally, the total harmonic distortion is greatly reduced by RBRDO, while the thrust coefficient and the peak flux density are slightly reduced. And the position detection accuracy is improved from 357μm to 109μm.

Key words： Linear motor linear hall sensor neural network reliability-based robust design optimization

Received: 09 October 2020

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TM351

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	Zhang Chunlei
	Zhang Hui
	Ye Peiqing

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Zhang Chunlei,Zhang Hui,Ye Peiqing. Design of Tubular Permanent Magnet Synchronous Linear Motor by Reliability-Based Robust Design Optimization[J]. Transactions of China Electrotechnical Society, 2022, 37(10): 2481-2490.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.201339 OR https://dgjsxb.ces-transaction.com/EN/Y2022/V37/I10/2481

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