PMAC2下高速电主轴直接转矩控制系统设计  

Design Study of Direct Torque Control Speed Regulating System for High-Speed Motorized Spindle Based on PMAC2

作　　者：张珂[1] 徐湘辉[1] 王利杰[1] 吴玉厚[1] 

机构地区：[1]沈阳建筑大学交通与机械工程学院,辽宁沈阳110168

出　　处：《沈阳建筑大学学报（自然科学版）》2006年第4期691-695,共5页Journal of Shenyang Jianzhu University：Natural Science

基　　金：国家自然科学基金资助项目(50475167);辽宁省自然科学基金资助项目(20042002);辽宁省科技攻关计划项目(2005220014);沈阳建筑大学重点实验室开放基金资助(JX-2006-01)

摘　　要：目的为解决高性能直接转矩控制法对电主轴进行控制和驱动,提高高速电主轴的动态响应速度问题.方法采用PMAC2型卡(可编程多轴运动控制卡Ⅱ型),结合高速电主轴的结构特点,建立了本系统电主轴在两相静止坐标系下的动态数学模型.结果通过动态数学模型设计了一套高速电主轴直接转矩控制系统,实现了高速电主轴的宽调速范围,快速准停,准位,准速,并给出了直接转矩控制系统的基本结构框图,系统控制原理图,软件程序流程图.结论研究表明,直接转矩控制系统的控制结构及控制过程简单,易于实现,便于全数字化,进一步精简了高速电主轴的控制结构,适应高速数控机床的要求,因此实现全数字化的直接转矩控制的交流电机调速系统具有潜在的经济价值和实际意义.High-speed motorized spindle units are one of key technologies of high-speed and ultra-high-speed grinding processing. Utilizing high performance direct torque control and driwmg motorized spindle to enhance its dynamic speed and to realize its wide regulating speed bound, high-speed accurate halt and position of motorized speed..This paper presents a design of direct torque control speed regulating system for high-speed motorized spindle based on PMAC2. This paper presents the structural characteristic and the dynamic mathematical model of high-speed motorized spindle. The basic structural principle of direct torque control system and the control principle Of PMAC are introduced; the basic structural figure of direct torque control system, the system control principle diagram and the soft-ware program flow chart are all presented in this paper. Research indicates that the control configuration and the control course of direct torque control are simple, and easily realized and further reduce the control structure of high-speed motorized spindle, and meet the demand of high-speed numerical control machine tool.

关 键 词：高速电主轴 直接转矩控制(DTC) 变频调速 PMAC2 

分 类 号：TH703.61[机械工程—仪器科学与技术]