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首页> 外文期刊>Electronics Letters >Position linearisation scheme for permanent magnet synchronous motor drive of washing machine using low-resolution hall sensors
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Position linearisation scheme for permanent magnet synchronous motor drive of washing machine using low-resolution hall sensors

机译:使用低分辨率霍尔传感器的洗衣机永磁同步电动机驱动器的位置线性化方案

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摘要

Variable speed systems have been widely applied to home appliances. One of the applications is vector control scheme of a washing machine using low-resolution hall sensors. Vector controller with binary-type hall sensors is cost effective. However, due to electrical and mechanical non-uniformity related to hall sensors, the position obtained by hall sensors does not change linearly, and resultant bumps in the position information degrade control performance. To solve this problem, a new position observer that generates linearly changing position signal is proposed. The proposed scheme removes necessity of knowing mechanical parameters and additional calculation process by utilising a Kalman filter for speed detection. The feasibility and effectiveness of the proposed algorithm are verified through experimental results carried out with a washing machine.
机译:变速系统已广泛应用于家用电器。应用之一是使用低分辨率霍尔传感器的洗衣机的矢量控制方案。具有二进制型霍尔传感器的矢量控制器具有成本效益。然而,由于与霍尔传感器相关的电气和机械不均匀性,由霍尔传感器获得的位置不会线性变化,并且位置信息中的结果凸起会降低控制性能。为了解决这个问题,提出了一种新的位置观测器,其产生线性变化的位置信号。所提出的方案通过利用卡尔曼滤波器进行速度检测,消除了了解机械参数的必要和额外的计算过程。通过在洗衣机上进行的实验结果验证了该算法的可行性和有效性。

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