LPV H-infinity Control with Disturbance Estimation for Permanent Magnet Synchronous MotorsLPV H∞ Control with Disturbance Estimation for Permanent Magnet Synchronous Motors
- Other Titles
- LPV H∞ Control with Disturbance Estimation for Permanent Magnet Synchronous Motors
- Authors
- Lee, Youngwoo; Lee, Seung-Hi; Chung, Chung Choo
- Issue Date
- Jan-2018
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Disturbance estimation; linear parameter varying (LPV); permanent magnet synchronous motors (PMSM)
- Citation
- IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, v.65, no.1, pp.488 - 497
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
- Volume
- 65
- Number
- 1
- Start Page
- 488
- End Page
- 497
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/150737
- DOI
- 10.1109/TIE.2017.2721911
- ISSN
- 0278-0046
- Abstract
- This paper presents an H-infinity controller with an H-infinity state estimator using a linear parameter-varying (LPV) model of permanent magnet synchronous motor (PMSM). The proposed control method comprises a nonlinear torque modulation, an LPV H-infinity state estimator, and an LPV H-infinity state feedback controller. The use of nonlinear torque modulation enables formulation of the electromechanical dynamics of the PMSM in the form of an LPV system. The LPV H-infinity state estimator is designed to estimate the velocity, currents, and disturbance based solely on position measurement. We introduce a vertex expansion technique to cover all operating points of an LPV system. A velocity tracking controller is designed in the frame work of H-infinity control to be robust against disturbance. The proposed controller was implemented and validated with a motor generator set consisting of two PMSMs. Experimental results are presented to validate the effectiveness of the proposed method compared to conventional field-oriented control. These results show improved transient responses to velocity reference in the presence of disturbance.
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