A Novel Control Method for BLDCM Based on Phase Back-EMF Observation
作者： Pan Lei , Wang Bei-Bei , Sun He-Xu
关键词: Control methods 、 Control theory 、 Magnet 、 DC motor 、 Dc voltage 、 Inertia 、 Low speed 、 Engineering 、 Response time 、 Robustness (computer science)
摘要: The main purpose of this study is to propose a novel back-EMF observer. It can drive permanent magnet Brushless DC Motor (BLDCM) smoothly from slow high speed without position or sensors. In the method, phase observer, which could estimate back-EMFs in real time and only relies on voltage currents motor an additional circuit complicated operation process,had been established with as disturbance signal. This observer simplifies structure traditional back- EMF observers has one inertia element, hence response robustness system be improved. also detailedly provides method for detection, performance low range. validity proposed verified through simulation experimental results.
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