Thereafter , a new kind of compound rectangular coil is proposed to apply to acfm . after its electromagnetic field distribution is analyzed in detail , the measurement scale is given . all the study can be used as the academic base to study the acfm syste m further 在此基础上,本文提出将一种新型复合矩形线圈应用到交变磁场测量技术中,并重点研究了复合矩形线圈激励下电磁场分布特性,讨论了缺陷检测的数值范围。
In chapter 3 , the modeling characteristic and actuality of micro - planer winding magnetic microactuators is reviewed . based on the basic principle of electromagnetic , the relation between the planer coils and magnet of the basic physical model is calculated . the difference of magnetic field generated by circle coil and rectangle coil is presented 第三章、论述了微平面线圈磁致动器建模的特点和现状;根据电磁场的基本理论,对基本物理模型的平面线圈和磁体之间的作用关系进行了推导;研究了圆形线圈和矩形线圈产生磁场的区别;提出并建立了圆形平面线圈的电场产生磁场以及对磁体作用力的数学模型。
As the single rectangular coil is the routine induction probe , the system is simulated based on the theory of a - v - a . the perfect induction field is studied . the corresponding relations between the slots and the field are also analyzed , as well as the measurement scale is given here )描述下交变磁场测量技术单矩形线圈激励形式下的数值仿真模型,从场量检测的角度出发,分析了无缺陷情况下该系统的电磁场分布特性,以及有缺陷情况下缺陷与场分布的对应关系以及缺陷检测的数值范围。