Nonlinear Current Control with Modified Torque Modulation for Permanent Magnet Synchronous Motors
- Authors
- Jeong, Yong Woo; Chung, Chung Choo
- Issue Date
- Dec-2020
- Publisher
- IEEE
- Citation
- 2020 59TH IEEE CONFERENCE ON DECISION AND CONTROL (CDC), pp.928 - 933
- Indexed
- SCOPUS
- Journal Title
- 2020 59TH IEEE CONFERENCE ON DECISION AND CONTROL (CDC)
- Start Page
- 928
- End Page
- 933
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/144116
- DOI
- 10.1109/CDC42340.2020.9304170
- ISSN
- 0743-1546
- Abstract
- In this paper, we study a new current control method for Permanent Magnet Synchronous Motor (PMSM). First, we introduce a modified torque modulation for a velocity control loop. Then, we design a nonlinear current controller based on Lyapunov redesign in the stationary reference (alpha;beta) frame. We show that the nonlinear current control guarantees uniform convergence of current tracking errors in finite-time. Further, uniform convergence of velocity tracking error in finite-time is also proved using the input-to-state stability (ISS). The proposed method is applied to velocity control of PMSM. We present simulation results using co-simulation with AMESim PMSM model and MATLAB/Simulink to validate the performance of the proposed method.
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