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基于左逆系统的无轴承异步电机无速度传感器运行

, PP. 1256-1260

Keywords: 无轴承异步电机,左逆系统,无速度传感器,矢量控制

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Abstract:

为了解决无轴承异步电机运行控制中转速检测的问题,实现对其高性能控制,提出了一种基于左逆系统的无速度传感器控制方法.建立了转速与转矩绕组定子电流的子系统,并证明了该子系统是左可逆的,将左逆系统与该子系统串联,便可实现对转速的观测.应用该方法建立了无轴承异步电机无速度传感器的矢量控制系统,并进行仿真研究.结果表明,该方法能在无轴承异步电机全速范围内准确观测出转速,实现无速度传感器方式的稳定悬浮运行.

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