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Variable-Performance Positioning Law for Hybrid-Type Stepper Motors via Active Damping Injection and Disturbance Observer
- Authors
- Kim, Seok-Kyoon; Ahn, Choon Ki
- Issue Date
- Apr-2021
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- AC motors; Damping; Manifolds; Stators; Gain; Disturbance observers; Rotors; Stepper motor; position control; active damping; pole-zero cancellation; disturbance observer
- Citation
- IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS, v.68, no.4, pp.1308 - 1312
- Indexed
- SCIE
SCOPUS
- Volume
- 68
- Number
- 4
- Start Page
- 1308
- End Page
- 1312
- ISSN
- 1549-7747
- 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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Related Researcher
- Ahn, Choon ki
- College of Engineering (School of Electrical Engineering)