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基于无传感器矢量控制的PMSM在AGV中的应用
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Application of PMSM Based on Sensorless Vector Control in AGV
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    摘要:

    对于PMSM而言,编码器反馈信号的精确性十分重要。但是在一些恶劣环境下,编码器的精确性受到了极大的影响甚至于可能出现编码器损坏,所以出现了伺服电机的无传感器控制。通过在AGV上使用无传感器控制,使AGV在一些恶劣环境下仍然能够正常且精确地工作。通过滑模观测器和滤波器达到对PMSM运行的估算,从而取代了正常工作中的PMSM编码器反馈,以达到对PMSM无传感器控制。同时提出在PMSM低速运转情况下通过改变PMSM的运动控制方式,以避免电机在低速运动时因为受到齿槽效应等因素的影响而出现速度波动较大的现象,并且通过实验证明了该方案的可靠性。

    Abstract:

    For PMSM, the accuracy of the encoder feedback is very important. But in some harsh environments, the accuracy of the encoder feedback has been influenced, so there are no sensors to control the servo motor. By using sensorless control in AGV, AGV will still be able to make work properly and accurately in some harsh environments. By sliding mode observer and filter estimates, PMSM running was estimated to replace the PMSM encoder feedback in normal operation, in order to achieve the PMSM sensorless control. In the case of low speed, the motion control way to PMSM was changed to avoid big velocity fluctuation caused by slot effect and some other factors.The reliability of the program was proved by test.

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舒志兵,周培,张志远.基于无传感器矢量控制的PMSM在AGV中的应用[J].机床与液压,2015,43(22):135-137.
. Application of PMSM Based on Sensorless Vector Control in AGV[J]. Machine Tool & Hydraulics,2015,43(22):135-137

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  • 在线发布日期: 2016-01-08
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