重庆理工大学学报（自然科学版）2018，Vol.32Issue(2)：105-112,8.DOI:10.3969/j.issn.1674-8425(z).2018.02.015
平面线圈型直线时栅参数优化方法
Parametric Optimization of Planar-Coil Linear Timing-Grating
摘要
Abstract
A method to optimize the structural parameters of the plane-coil linear time-grating displacement sensor based on nonlinear programming genetic algorithm is proposed,which is used to reduce harmonic components of induced electromotive force,improve efficiency and effectiveness comparing with the enumeration method.The parameters of sensor are optimized by nonlinear programming genetic algorithm.The physical model of sensor which is based on the optimized parameters is established and simulated.The prototype is designed and experimented.Results show that the efficiency is enhanced by 65% and the total harmonic distortion is reduced by 10 times, comparing with experimental results using enumeration method.Meanwhile,the measurement accuracy of sensor increases from ± 1 μm to ± 0.8 μm during the range of 240 mm.This paper shows that the method for parameters optimization of planar-coil linear timing-grating is feasible.The sensor with optimization parameters suppresses the original error in structure,and the high precision measurement is realized.关键词
直线时栅/平面线圈/谐波畸变率/非线性规划遗传算法Key words
linear timing-grating/planar coils/the total harmonic distortion/nonlinear programming genetic algorithm分类
机械工程引用本文复制引用
徐清华,武亮,彭东林,徐是..平面线圈型直线时栅参数优化方法[J].重庆理工大学学报（自然科学版）,2018,32(2):105-112,8.基金项目
国家自然科学基金资助项目(51405049) （51405049）
重庆市教委科学技术研究项目(KJ1709191) （KJ1709191）
重庆市研究生创新基金资助项目(CYS17278) （CYS17278）
重庆理工大学研究生创新基金资助项目(YCX2016214) （YCX2016214）
