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首页> 外文会议>IEEE Industry Applications Society Annual Meeting >Performance Comparison of Permanent Magnet Synchronous Motors and Controlled Induction Motors in Washing Machine Applications using Sensorless Field Oriented Control
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Performance Comparison of Permanent Magnet Synchronous Motors and Controlled Induction Motors in Washing Machine Applications using Sensorless Field Oriented Control

机译：无传感器磁场定向控制洗衣机应用中永磁同步电动机和控制感应电动机的性能比较

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摘要

This paper describes two alternative variable speed motor drive systems for washing machine applications. Three phase induction motors with tachometer feedback and direct drive permanent magnet synchronous motors with hall sensor feedback are two drive systems commonly used in North American washers today. Appliance manufacturers are now evaluating sensorless drive systems because of the low reliability and high cost of the speed and position feedback sensors. A Field Oriented Control Algorithm with an embedded rotor flux and position estimation algorithm enables sensorless control of both permanent magnet synchronous motors and induction motors. The estimator derives rotor shaft position and speed from rotor flux estimates obtained from measured stator currents and the applied voltages. Sampling of currents in the dc link shunt simplifies stator current measurement and minimizes cost. Field oriented control algorithm allows good dynamic control of torque and enables an extended speed range through field weakening. The digital control algorithm runs on a unique hardware engine that allows algorithms to be designed using graphical tools. A common hardware platform can run either the PMSM or IM using sensorless field oriented control in a front loading washer application. Test results are presented for both drives in standard wash cycles.
机译：本文介绍了用于洗衣机应用的两个替代变速电机驱动系统。具有霍尔传感器反馈的带有转速计反馈和直接驱动永磁同步电动机的三相感应电动机是今天北美垫圈常用的两个驱动系统。设备制造商现在正在评估无传感器驱动系统，因为速度和位置反馈传感器的可靠性和高成本高。具有嵌入式转子通量和位置估计算法的场取向控制算法使得能够控制永磁同步电动机和感应电动机的无传感器控制。估计器从测量的定子电流和所施加的电压获得的转子磁通估计从转子磁通估计产生转子轴位置和速度。 DC链路分流器中的电流采样简化了定子电流测量并最大限度地减少了成本。现场定向控制算法允许通过磁场弱化实现扭矩的良好动态控制。数字控制算法在独特的硬件引擎上运行，允许使用图形工具设计算法。公共硬件平台可以在前装载垫圈应用中使用无传感器场导向控制来运行PMSM或IM。在标准洗涤周期中的驱动器呈现测试结果。

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