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首页> 外文期刊>Electric Power Applications, IET >Sliding-mode observer based sensorless vector control of LFSPM motor for long-distance drive system
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Sliding-mode observer based sensorless vector control of LFSPM motor for long-distance drive system

机译：基于滑模观测器的LFSPM电动机的无传感器矢量控制

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摘要

A new series of linear flux-switching permanent magnet (LFSPM) motors has elicited considerable attention. This series incorporates the merits of the high efficiency of permanent magnet linear motors and the low cost of linear switched reluctance motors for a long-distance drive system. However, the vector control of the LFSPM motor requires an expensive and unreliable linear encoder, which must be as long as the entire railway (or at least the whole linear motor). Such a large encoder will lead to extra costs and will even weaken the benefit of the motor performance. Thus, developing its sensorless control for engineering applications is necessary. Sliding-mode sensorless control has the advantage of strong robustness to parameter variations and external disturbances, as well as high dynamic performance, which is important for long-distance drive systems. The proposed algorithms can extend the minimum operating speed, thereby enabling the motor to work at a lower speed. Both simulation and experimental results are provided for verification.
机译：一系列新的线性磁通量开关永磁（LFSPM）电动机引起了广泛的关注。该系列结合了永磁直线电机的高效率和长距离驱动系统的线性开关磁阻电机的低成本优点。但是，LFSPM电动机的矢量控制需要昂贵且不可靠的线性编码器，该编码器的长度必须与整条铁路（或至少整条线性电动机）一样长。如此大的编码器将导致额外的成本，甚至会削弱电动机性能的优势。因此，有必要开发用于工程应用的无传感器控制。滑模无传感器控制的优点是对参数变化和外部干扰具有很强的鲁棒性，并且具有很高的动态性能，这对于长距离驱动系统很重要。提出的算法可以扩展最小运行速度，从而使电动机能够以较低的速度工作。仿真和实验结果均提供了验证。

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