Variable-performance positioning law for hybrid-type stepper motors via active damping injection and disturbance observer

Seok Kyoon Kim; Choon Ki Ahn

doi:10.1109/TCSII.2020.3020224

Variable-performance positioning law for hybrid-type stepper motors via active damping injection and disturbance observer

Seok Kyoon Kim, Choon Ki Ahn

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

5 Citations (Scopus)

Abstract

This brief proposes an advanced positioning law for hybrid-type stepper motors with two main features: a) a combination of pole-zero cancellation-based proportional-integral control with disturbance observers and b) a variable manifold forced to be exponentially convergent by the proposed control law. The parameter and load uncertainties are also explicitly handled in the controller design task. The practical improvement is confirmed with experimental evidence using a 10-W stepper motor controlled by two dual half-bridge drivers and a 32-bit digital signal processor.

Original language	English
Article number	9183999
Pages (from-to)	1308-1312
Number of pages	5
Journal	IEEE Transactions on Circuits and Systems II: Express Briefs
Volume	68
Issue number	4
DOIs	https://doi.org/10.1109/TCSII.2020.3020224
Publication status	Published - 2021 Apr

Keywords

Active damping
Disturbance observer
Pole-zero cancellation
Position control
Stepper motor

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1109/TCSII.2020.3020224

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abstract = "This brief proposes an advanced positioning law for hybrid-type stepper motors with two main features: a) a combination of pole-zero cancellation-based proportional-integral control with disturbance observers and b) a variable manifold forced to be exponentially convergent by the proposed control law. The parameter and load uncertainties are also explicitly handled in the controller design task. The practical improvement is confirmed with experimental evidence using a 10-W stepper motor controlled by two dual half-bridge drivers and a 32-bit digital signal processor. ",

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AB - This brief proposes an advanced positioning law for hybrid-type stepper motors with two main features: a) a combination of pole-zero cancellation-based proportional-integral control with disturbance observers and b) a variable manifold forced to be exponentially convergent by the proposed control law. The parameter and load uncertainties are also explicitly handled in the controller design task. The practical improvement is confirmed with experimental evidence using a 10-W stepper motor controlled by two dual half-bridge drivers and a 32-bit digital signal processor.

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Variable-performance positioning law for hybrid-type stepper motors via active damping injection and disturbance observer

Abstract

Keywords

ASJC Scopus subject areas

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