有刷直流电机无传感器调速

M. Vidlak, L. Gorel, V. Vavrúš, P. Makys
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引用次数: 0

摘要

汽车工业的产量正在上升。以电池为动力的新车型每月向大众市场客户推出。即将问世的汽车将使用60多个旋转电机。这一数量的主要部分由专用于车身部分的有刷直流电机组成。降低成本和简单控制是制造商更喜欢在车窗升降,座椅定位或天窗控制等应用中使用直流电机的主要原因。此外,汽车领域的安全性推动了直流电机的控制策略向无传感器操作方向发展。本文利用换相产生的电流纹波进行精确的无传感器速度控制。并与传统的基于编码器的串级调速结构进行了分析和比较。实时控制系统是在dSPACE 1103开发的,并使用汽车合格的h桥进行了测试。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Sensorless speed control of brushed DC machine
The automotive industry is ramping in volume. New models of battery-powered vehicles are introducing to the mass market customer on a monthly based. Upcoming automobiles are using more than 60 rotating electric machines. The dominant part of this amount consists of brushed DC motors dedicated to the car body segment. Cost reduction and simple control are the main reasons why manufacturers prefer using DC machines in applications like window lift, seat positioning, or sunroof control. In addition, safety in the automotive segment pushes control strategies of DC machines toward sensorless operation. In this article, the current ripple caused by commutation is used for accurate sensorless speed control. The new method is analyzed and compared with the traditional encoder-based speed control cascade structure. The real-time control system was developed at dSPACE 1103 and tested using an automotive-qualified H-bridge.
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