L2-Stable Speed Estimator for BLDCM Servo System Applications

Kwan Soo Kim; Sangwoo Park; Seok Kyoon Kim; Hyun Ho Kang; Choon Ki Ahn

doi:10.1109/TCSII.2021.3132378

L₂-Stable Speed Estimator for BLDCM Servo System Applications

Kwan Soo Kim, Sangwoo Park, Seok Kyoon Kim, Hyun Ho Kang, Choon Ki Ahn

Research output: Contribution to journal › Article › peer-review

Abstract

This study aims to solve the brushless DC motor speed estimation problem using Hall sensor measurements without dependence of plant parameter and load information. As the first feature, the proposed solution involves a combination of linear (in the Luenberger observer form) and nonlinear subsystems without motor parameter information for the estimation algorithm and the gains. The second feature is showing that the proposed estimator makes the error dynamics L2 -stable, assigning the desired energy and diagonal damping to the closed-loop system. The superiority of the proposed solution is verified using a 420W motor-generator hardware testbed for the current and speed control operation modes.

Original language	English
Pages (from-to)	2822-2826
Number of pages	5
Journal	IEEE Transactions on Circuits and Systems II: Express Briefs
Volume	69
Issue number	6
DOIs	https://doi.org/10.1109/TCSII.2021.3132378
Publication status	Published - 2022 Jun 1

Keywords

Speed estimation
encoder measurement
observer
pole-zero cancellation

ASJC Scopus subject areas

Electrical and Electronic Engineering

Access to Document

10.1109/TCSII.2021.3132378

Cite this

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title = "L2-Stable Speed Estimator for BLDCM Servo System Applications",

abstract = "This study aims to solve the brushless DC motor speed estimation problem using Hall sensor measurements without dependence of plant parameter and load information. As the first feature, the proposed solution involves a combination of linear (in the Luenberger observer form) and nonlinear subsystems without motor parameter information for the estimation algorithm and the gains. The second feature is showing that the proposed estimator makes the error dynamics L2 -stable, assigning the desired energy and diagonal damping to the closed-loop system. The superiority of the proposed solution is verified using a 420W motor-generator hardware testbed for the current and speed control operation modes. ",

keywords = "Speed estimation, encoder measurement, observer, pole-zero cancellation",

author = "Kim, {Kwan Soo} and Sangwoo Park and Kim, {Seok Kyoon} and Kang, {Hyun Ho} and Ahn, {Choon Ki}",

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AU - Ahn, Choon Ki

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AB - This study aims to solve the brushless DC motor speed estimation problem using Hall sensor measurements without dependence of plant parameter and load information. As the first feature, the proposed solution involves a combination of linear (in the Luenberger observer form) and nonlinear subsystems without motor parameter information for the estimation algorithm and the gains. The second feature is showing that the proposed estimator makes the error dynamics L2 -stable, assigning the desired energy and diagonal damping to the closed-loop system. The superiority of the proposed solution is verified using a 420W motor-generator hardware testbed for the current and speed control operation modes.

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