摘要
在电磁定位系统中,若没有考虑环境磁场、制造工艺等误差因素的影响,会导致系统定位精度下降。介绍了一种提高电磁定位系统定位精度的方法,该方法为了克服经典磁偶极子模型过于理想化的缺点,提出了误差修正模型,介绍了天线参数标定原理,同时给出了修正因子的标定方法、标定流程以及装置。通过对比试验可以看出,经过模型修正的系统定位精度可达到未修正模型的5倍。
Since the influences of ambient magnetic field and manufacturing process are not taken into consideration in an electromagnetic positioning system,the positioning precision of the system may decrease . This paper presents a method to improve the positioning precision of the electromagnetic positioning system . To overcome the shortcoming that the classical magnetic dipole model is too ideal,an error correction model was proposed .The antenna calibration theory was presented,the calibration method,correction factor,calibration process and device were given .Comparative experiments show that the precision of the improved system positioning model is 5 times of the uncorrected one .
出处
《电光与控制》
北大核心
2014年第4期81-85,共5页
Electronics Optics & Control
关键词
电磁定位
磁偶极子
环境磁场
天线标定
electromagnetic positioning
magnetic dipole
ambient magnetic field
antenna calibration
