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排灌机械工程学报
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排灌机械工程学报  0, Vol. Issue (): 4-    DOI:
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无轴承永磁薄片电机泵原理及控制系统设计
朱熀秋, 陈金海, 左文全
 (江苏大学 电气信息工程学院,江苏 镇江212013)
Principle and Control System Design for Bearingless Permanent Magnet Slice Motor Pump
 (School of Electrical and Information Engineering,Jiangsu University,Zhenjiang,Jiangsu 212013,China)
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摘要 无轴承永磁薄片电机驱动离心泵可实现离心泵的完全密封,能够解决传统离心泵系统的密封难题.针对驱动离心泵的无轴承永磁薄片电机,在介绍该电机驱动离心泵结构的基础上,阐述了其工作原理,推导了电机的电磁转矩和径向悬浮力数学模型;并采用数字处理器TMS320F2812 DSP设计了数字控制系统硬件,开发了控制软件,设计了人机交互控制界面对数字控制系统参数进行实时在线调试,并进行了永磁薄片转子悬浮和运转试验.系统试验结果表明:通过人机交互控制界面实时在线调试可快速便捷地确定控制系统参数;设计的无轴承永磁薄片电机泵及数字控制系统在空载情况下,薄片转子沿径向的振动幅值小于80μm,转速在0~2000r/min范围内连续可调,系统具有优良的动、静态性能,满足控制要求;该系统也为离心泵传输无接触无污染液体提供了新的驱动方式.
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朱熀秋
陈金海
左文全
关键词无轴承永磁薄片电机   数学模型   数字控制系统   人机交互界面        
Abstract: Sealing problems in the traditional centrifugal pump could be solved by using canned pump droved by the bearingless permanent magnet slice motor (BPMSM).Firstly, structure of centrifugal pump droved by the BPMSM was discussed and operating principle was introduced, then theoretical formulas of driving system and radial suspension forces were deduced.An experimental platform hardware and software of digital control system with TMS320F2812 DSP were designed to meet the need and the human-computer interaction interface based on the BPMSM control system for real-time online debugging and control was designed, then the experiment was performed. The results show that the controller parameters can be conformed quickly by using human-computer interaction interface, the vibration amplitude in radical direction is less than 80μm while rotor speed is changed from 0 to 2000r/min continuously under no load, the BPMSM pump and digital control system have fine static and dynamic performance, a new way is provided for liquid transmission without mechanical friction and pollution.
Key wordsbearingless permanent magnet slice motor (BPMSM)   mathematical model   digital control system   human-computer interaction interface   centrifugal pump   
引用本文:   
朱熀秋, 陈金海, 左文全. 无轴承永磁薄片电机泵原理及控制系统设计[J]. 排灌机械工程学报, 0, (): 4-.
ZHU Huang-Qiu, Chen-Jin-Hai, Zuo-Wen-Quan. Principle and Control System Design for Bearingless Permanent Magnet Slice Motor Pump[J]. Journal of Drainage and Irrigation Machinery Engin, 0, (): 4-.
 
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