Comparative study of low-pass filter and phase-locked loop type speed filters for sensorless control of AC drives

Comparative study of low-pass filter and phase-locked loop type speed filters for sensorless control of AC drives

High quality speed information is one of the key issues in machine sensorless drives, which often requires proper filtering of the estimated speed. This paper comparatively studies typical low-pass filters (LPF) and phase-locked loop (PLL) type filters with respect to ramp speed reference tracking a...

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Bibliographic Details
Main Authors: Dong Wang, Kaiyuan Lu, Peter Omand Rasmussen, Zhenyu Yang
Format: Article
Language:English
Published: China Electrotechnical Society 2017-06-01
Series:CES Transactions on Electrical Machines and Systems
Subjects:
adaptive cutoff frequency
low-pass filter
machine sensorless drive
phase-locked loop
speed filter
static error
Online Access:https://ieeexplore.ieee.org/document/7961343

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