永磁悬浮非接触回转驱动系统

发布时间：2017-12-27 14:30

本文关键词：永磁悬浮非接触回转驱动系统　出处：《机械工程学报》2017年20期 　论文类型：期刊论文

【摘要】：提出一种永磁悬浮非接触回转驱动系统,该系统由悬浮部分和非接触回转驱动两部分构成。悬浮部分采用运动控制方式,利用音圈电动机驱动永磁铁实现悬浮物竖直方向的稳定悬浮;回转驱动部分由直流伺服电动机驱动径向磁化永磁铁回转,形成变化磁场,非接触驱动悬浮物回转。本系统未在悬浮物中加入任何磁性材料,仅利用悬浮物表面剩余磁化点实现悬浮物的非接触回转驱动。介绍系统的悬浮与驱动原理,建立非接触驱动数学模型,并利用仿真与试验分析系统的回转驱动特性。分析结果表明:悬浮物的非接触回转驱动可以由伺服电动机驱动盘状永磁铁旋转来实现。铁球是否旋转与磁铁的数量无关;驱动磁铁的数量与系统的响应速度成正比,驱动磁铁的数量增多,输入速度和输出速度之间的线性度相对提高,旋转稳定。明晰本系统的非接触驱动特性,为隔离环境下铁磁性物品或零件的非接触操纵和姿态控制奠定了理论基础。
[Abstract]:A non contact rotating drive system of permanent magnetic suspension is proposed. The system consists of two parts: a suspension part and a non-contact rotating drive. The suspension part adopts motion control mode, and the voice coil motor drives the permanent magnet to achieve the vertical suspension of suspended solids. The rotary driving part is driven by a DC servo motor to rotate the radial magnetized permanent magnet, forming a changing magnetic field, and driving the suspended matter without contact. The system does not add any magnetic material to the suspended matter, and only uses the remaining magnetization point on the surface of the suspended matter to realize the non contact rotation drive of the suspended matter. The principle of suspension and driving of the system is introduced, a non contact driving mathematical model is set up, and the driving characteristics of the system are analyzed by simulation and test. The analysis results show that the non contact rotation drive of the suspended matter can be realized by the rotating of the servo motor drive disk permanent magnet. The number of balls rotating and the magnet; the number and response speed of the driving system of the magnet is proportional to the number of drive magnet is increased between the input and output speed of linearity is improved, stable rotation. The non contact driving characteristic of this system is clear, which lays a theoretical foundation for non-contact manipulation and attitude control of ferromagnetic articles or parts in isolation environment.
【作者单位】：沈阳工业大学机械工程学院;高知工科大学智能机械系统工学科;
【基金】：国家自然科学基金资助项目(51105257,51310105025)
【分类号】：TH139
【正文快照】： 0前言磁悬浮技术是一种利用磁场力,使悬浮物沿着某一条或几条轴线运动,并与支撑框架之间无任何接触的支撑技术,它可以避免由摩擦带来的能量消耗和速度限制,具有长寿命、无污染、无需润滑、能耗低、精度高、安全可靠等优点[1-2]。目前各国研究学者已经对磁悬浮技术及理论进行

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