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Nonlinear optimal control for interior permanent magnet synchronous motor drives
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Oztekin, Merve, Kiselychnyk, Oleh and Wang, Jihong (2022) Nonlinear optimal control for interior permanent magnet synchronous motor drives. In: 2022 European Control Conference (ECC), London, United Kingdom, 12-15 Jul 2022. Published in: 2022 European Control Conference (ECC) ISBN 9783907144077. doi:10.23919/ecc55457.2022.9838314
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Official URL: https://doi.org/10.23919/ecc55457.2022.9838314
Abstract
A concept of nonlinear optimal control is introduced for IPMSM drives. The control configuration remains the same as for the conventional control with three PI controllers for the d and q axes currents and velocity, but these controllers are replaced by corresponding nonlinear optimal controllers. The proposed controllers include linear (with Linear Quadratic Regulator - LQR) parts and nonlinear optimal parts emulating the automatic adjustment of the LQR gains based on operating conditions. The nonlinear parts are designed based on Krasovskiy's optimality criterion leading to an explicit solution of the control design problem. The proposed controller possesses some robustness properties which is explored in simulations. Compared to the conventional system, it allows to reduce velocity overshoot and torque oscillations without extending the transient times. The control concept is validated using a test rig.
Item Type: | Conference Item (Paper) | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
SWORD Depositor: | Library Publications Router | ||||
Journal or Publication Title: | 2022 European Control Conference (ECC) | ||||
Publisher: | IEEE | ||||
ISBN: | 9783907144077 | ||||
Official Date: | 12 July 2022 | ||||
Dates: |
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DOI: | 10.23919/ecc55457.2022.9838314 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Conference Paper Type: | Paper | ||||
Title of Event: | 2022 European Control Conference (ECC) | ||||
Type of Event: | Conference | ||||
Location of Event: | London, United Kingdom | ||||
Date(s) of Event: | 12-15 Jul 2022 |
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