摘要
针对消磁站部分测磁探头损坏形成坏点而影响舰船磁场准确测量的问题,提出了以磁偶极子阵列为等效源的坏点磁场预测方法.该方法通过提取正常测量点的磁场信息,建立了基于磁偶极子阵列的舰船等效磁模型,利用PSO（微粒群优化）算法求解出模型参数,由此推算出其他测量点的磁场值,实现了坏点磁场的预测.船模实验研究结果表明：该方法可以准确预测坏点磁场,并且具有较好的稳定性,能满足实际工程的应用要求,坏点分布特性和舰船磁场变化特征均对预测精度有一定的影响.
To solve the problem that the ship＇s magnetic field can＇t be measured accurately due to some bad measuring sensors in ship degaussing range,the equivalent source forecast method based on the magnetic dipole array was produced.An equivalent magnetic source model was founded based on magnetic dipole array by obtaining natural measuring points＇ field information,and the model parameters could be obtained by PSO（particle swarm optimization）optimization method,from which other points＇ field could be calculated,and the bad points＇ field would be forecasted.The ship mock-up experiment＇s results show that the bad points＇ field can be forecasted by the method accurately with excellent stability,which can satisfy the actual engineering＇s demands,and the forecast precision can be affected partially by bad points＇ distributing characteristic and the field＇s variety characteristic.
作者
张朝阳
虞伟乔
衣军
Zhang Zhaoyang;Yu Weiqiao;Yi Jun(Shanghai Research Office of 91872 Army, Shanghai 200083, China;91656 Army, Shanghai 200080, China)
出处
《华中科技大学学报（自然科学版）》
EI
CAS
CSCD
北大核心
2018年第4期63-67,共5页
Journal of Huazhong University of Science and Technology(Natural Science Edition)
基金
国防专项基金资助项目(WG2015HJ12001)
关键词
磁场测量
舰船
消磁
等效源
磁偶极子
magnetic field measurement
ship
degaussing
equivalent source
magnetic dipole
