Two kinds of the normal force of the linear servomotor are analyzed by using finite element analysis. The relations between thrust, normal force and air gap length are analyzed.
采用有限元分析的方法对直线伺服电机的两种法向力进行分析，分析了推力、法向力与气隙长度的关系。
2
As a vital actuator in automatic air conditioner of vehicles, servomotor has become an indispensable part.