力矩电机直驱静压数控转台动态性能研究  

Dynamic Performance Research for Torque Motor Direct Drive Hydrostatic NC Rotary Table

作　　者：叶道鑫 洪荣晶[1] 吴承云[1] 

机构地区：[1]南京工业大学机械与动力工程学院,南京210009

出　　处：《组合机床与自动化加工技术》2015年第10期15-18,共4页Modular Machine Tool & Automatic Manufacturing Technique

基　　金："高档数控机床与基础制造装备"科技重大专项(2012ZX04002-041);科技部中小型企业创新基金项目(13C26213202060)

摘　　要：采用机械动力学原理建立力矩电机直驱静压转台传动系统的数学模型,利用MATLAB的Simulink构造永磁力矩电机驱动数控转台传动系统的仿真模型,获得了反映数控转台动态性能的时域和频域特性仿真曲线,通过仿真结果对系统的快速性和稳定性进行了分析,同时考虑力矩电机的磁路对转台动态性能的影响,给出了提高数控转台动态性能的措施。为直驱静压数控转台的伺服驱动系统设计、力矩电机结构设计、参数选择和性能优化提供了理论依据。The mathematical model of feed drive system of hydrostatic NC rotary table which is direct drive by permanent magnet torque motor was constructed according to the theory of mechanical dynamics theory.The emulational model for the permanent magnet torque motor drive nc rotary table feed system was constructed with simulink,which is a kind of dynamic simulate toolbox in MATLAB. The emulational curve figures in time and frequency areas that reflect dynamic performance of rotation platform were obtained,whose speediness quality and stabilization were analyzed in NC machine. The influences which bring by the torque motor＇s magnetic circuit were studied,and several methods to enhance the dynamic performance were introduced,which provides a theoretical basis for direct drive NC rotary table servo system design,the structure of the torque motor design,and the parameter selection and performance optimization.

关 键 词：力矩电机 数控转台 动态性能 

分 类 号：TH166[机械工程—机械制造及自动化] TG506[金属学及工艺—金属切削加工及机床]