磁编码器多极磁鼓空间磁场分布研究  

The Magnetic Field Distribution of Multipole Magnetic Drum in Magnetic Encoder

作　　者：廖红伟[1] 杨晓非[1] 蔡长波[1] 王浩敏[1] 胡雪涛[1] 

机构地区：[1]华中科技大学电子科学与技术系,武汉430074

出　　处：《信息记录材料》2001年第4期6-9,共4页Information Recording Materials

摘　　要：本文通过对磁编码器磁鼓空间磁场分布的理论计算和定性分析,找出场点位置、磁极数、磁层厚度和磁鼓形状等因素对磁场空间分布的影响,阐明在一定条件下,磁阻探头存在一最佳空间放置点。In this paper,We get the magnetic field distribution of multipole magnetic drum in magnetic encoder through calculating and discussing the classic magnetic equations by MATLAB programs, We find some disciplines that the field distribution alters with the alteration of the space site,pole number,thickness of the magnetic drum and the drum size.We draw a conclusion that the magnetic resistive element exists a best space position and we can get it through calculation and analysis.

关 键 词：磁编码器 多极磁鼓 空间磁场分布 磁阻探头 

分 类 号：TN762[电子电信—电路与系统]