舰船外部磁场特征推算及验证  

Extrapolation and Verification of Magnetic Field Outside Ship

作　　者：杨文铁 庄劲武[1] 王作帅[2] 左超 欧阳君[3] 王建勋[2] YANG Wen-tie;ZHUANG Jin-wu;WANG Zuo-shuai;ZUO Chao;OUYANG Jun;WANG Jian-xun(College of Electrical Engineering,Naval University of Engineering,Wuhan 430033,China;Wuhan Second Ship Design&Research Institute,Wuhan 430205,China;School of Optical and Electronic Information,Huazhong University of Science&Technology,Wuhan 430074,China)

机构地区：[1]海军工程大学电气工程学院,武汉430033 [2]武汉第二船舶设计研究所,武汉430205 [3]华中科技大学光学与电子信息学院,武汉430074

出　　处：《武汉理工大学学报》2021年第10期77-80,86,共5页Journal of Wuhan University of Technology

基　　金：国家自然科学基金(51971098)。

摘　　要：舰船外部磁场特征的精确推算是实现在目标深度上最佳磁异常补偿的关键技术。通过舰船内部布置的一定数量传感器,根据其测量值可推算舰船外部一定目标位置处磁场特征。作者给出了舰船外部磁场推算公式,并采取了基于神经网络的优化算法,给出了实施步骤,并通过实测结果进行了验证,推算相对误差可控制在5%以内,满足工程应用需求。The calculation of ship external magnetic field characteristics is the key technology to realize the optimal magnetic anomaly compensation at a certain target depth.According to a certain number of sensors arranged inside the ship,magnetic field characteristics at a certain external target position are calculated by the measured value.In this paper,the calculation formula of external magnetic field is given,the optimization algorithm based on neural network is adopted,the implementation steps are given,and verified by the measured results.The relative error of calculation can be controlled within 5%,meet engineering application requirements.

关 键 词：舰船消磁 磁场推算 模型验证 

分 类 号：TM12[电气工程—电工理论与新技术]