无刷直流电机在手术电锯中的应用  

Application of Brushless DC Motor in Medical Devices

作　　者：罗吉[1] 高元楼[1] 

机构地区：[1]北京航空航天大学自动化科学与电气工程学院,北京100083

出　　处：《电机与控制应用》2008年第5期54-57,共4页Electric machines & control application

摘　　要：以医疗器械为应用背景,介绍了无刷直流电机的工作原理和数学模型;给出了基于MC56F8013数字信号处理器(DSP)的调速控制器的硬件结构、控制策略、系统仿真、试验结果及软件实现。对控制系统建模和积分分离PI算法进行了详细的分析。得到的调速控制器结构简单、工作可靠。试验结果表明,该控制器调速效果良好,能满足要求。Based on the application in medial devices, the working theory and mathematical model of BLDC were introduced. Then the hardware and software structure of speed controller based on MC56F8013 were showed. The model of speed loop control system as well as the integral separating PI controlled algorithm was analyzed in detail. Experiment data shows the advantages of this controller, such as simple structure, thigh precision and wide scope of speed.

关 键 词：手术电锯 无刷直流电机 数字信号处理器 积分分离PI算法 

分 类 号：R197.39[医药卫生—卫生事业管理] TM301.2[医药卫生—公共卫生与预防医学]