对测量光路中调焦音圈电机的特性进行了分析,通过对音圈电机特性的仿真,定性分析音圈电机设计参数对电机特性的影响情况。从建立音圈电机的数学模型出发,利用仿真软件SIMulInk实现音圈电机的建模、特性仿真。得到仿真结果后,通过适当调整电机的设计参数,分析电机特性的变化。仿真结果表明,音圈电机动子质量、磁钢磁密等参数的变化都对电机的响应时间、平稳性、稳态误差有较大的影响。在原设计的基础上,可适当地增加电机动子的质量以及磁钢磁密来减小响应时间和稳态误差。这些分析结果为音圈电机的加工、测量基础光路中调焦功能的实现奠定了基础。In order to analyzing the actuator characteristics effected by the motor design parameters,a way of simulating the characteristics of voice coil actuator by simulink was introduced.From the established mathematical model of voice-coil actuator, the model of voltage and displacement, voltage and speed,force and displacement was established.The simulation software simulink was used to realize the modeling and simulation of the voice-coil actuator, to get the result of simulation.Then, changed the design parameters, such as the quality of the actuator, or the flux density and so on, to observe the change of the system performence.Analyzing Results showed that, the changes of actuator quality and flux density and other parameters have great influence on the response time, stability and steady-state error of the actuator.In order to reduce the response time and the steady-state error of the actuator, the quality of actuator and the flux density was increased based on the original design.These analysis results build the basis for the processing of voice-coil actuator and the realization of the function of adjust focus in optical path.福建省青年人才基金项目(2006F3125);福建省科技计划重点项目(2007H0034);福建省新世纪优秀人才支持计划资助项
