Nonlinear Optimal Position Control with Observer for Position Tracking of Surfaced Mounded Permanent Magnet Synchronous Motors

Previous control methods were designed based on cascade structure and consist of position and current controllers for permanent magnet-synchronous motors (PMSMs). Thus, the structures of the previous methods are necessarily complex although the stability is guaranteed. Thus, the gain tuning is diffi...

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Autores principales:	Dong Hyun Ha, Raeyoung Kim
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	surface mounded permanent magnet synchronous motor nonlinear position control nonlinear observer LQ method Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/2630c36d2b734e31a554cc2e6aed52f2
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spelling	oai:doaj.org-article:2630c36d2b734e31a554cc2e6aed52f22021-11-25T16:42:38ZNonlinear Optimal Position Control with Observer for Position Tracking of Surfaced Mounded Permanent Magnet Synchronous Motors10.3390/app1122109922076-3417https://doaj.org/article/2630c36d2b734e31a554cc2e6aed52f22021-11-01T00:00:00Zhttps://www.mdpi.com/2076-3417/11/22/10992https://doaj.org/toc/2076-3417Previous control methods were designed based on cascade structure and consist of position and current controllers for permanent magnet-synchronous motors (PMSMs). Thus, the structures of the previous methods are necessarily complex although the stability is guaranteed. Thus, the gain tuning is difficult to obtain for the desired control performance for the PMSMs. To overcome this problem, this paper proposes a nonlinear optimal position control method with an observer to improve the position tracking performance of PMSMs. The proposed method consists of a desired state generator, controller, and nonlinear observer. The desired states and inputs are derived using the PMSM model. Then, the state feedback controller is designed based on the whole tracking error dynamics including both mechanical and electrical dynamics. The nonlinear observer is designed to estimate the velocity and load torque. The closed-loop stability is proven using the input-to-state stability. The proposed method is not designed based on the cascade structure. Furthermore, the control and observer gains are chosen using an optimal control method to obtain the desired performance for the PMSMs. This approach simplifies the design process such that the control algorithm is suitable for real-time control. The performance of the proposed method is validated via simulations and experiments.Dong Hyun HaRaeyoung KimMDPI AGarticlesurface mounded permanent magnet synchronous motornonlinear position controlnonlinear observerLQ methodTechnologyTEngineering (General). Civil engineering (General)TA1-2040Biology (General)QH301-705.5PhysicsQC1-999ChemistryQD1-999ENApplied Sciences, Vol 11, Iss 10992, p 10992 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	surface mounded permanent magnet synchronous motor nonlinear position control nonlinear observer LQ method Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
spellingShingle	surface mounded permanent magnet synchronous motor nonlinear position control nonlinear observer LQ method Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999 Dong Hyun Ha Raeyoung Kim Nonlinear Optimal Position Control with Observer for Position Tracking of Surfaced Mounded Permanent Magnet Synchronous Motors
description	Previous control methods were designed based on cascade structure and consist of position and current controllers for permanent magnet-synchronous motors (PMSMs). Thus, the structures of the previous methods are necessarily complex although the stability is guaranteed. Thus, the gain tuning is difficult to obtain for the desired control performance for the PMSMs. To overcome this problem, this paper proposes a nonlinear optimal position control method with an observer to improve the position tracking performance of PMSMs. The proposed method consists of a desired state generator, controller, and nonlinear observer. The desired states and inputs are derived using the PMSM model. Then, the state feedback controller is designed based on the whole tracking error dynamics including both mechanical and electrical dynamics. The nonlinear observer is designed to estimate the velocity and load torque. The closed-loop stability is proven using the input-to-state stability. The proposed method is not designed based on the cascade structure. Furthermore, the control and observer gains are chosen using an optimal control method to obtain the desired performance for the PMSMs. This approach simplifies the design process such that the control algorithm is suitable for real-time control. The performance of the proposed method is validated via simulations and experiments.
format	article
author	Dong Hyun Ha Raeyoung Kim
author_facet	Dong Hyun Ha Raeyoung Kim
author_sort	Dong Hyun Ha
title	Nonlinear Optimal Position Control with Observer for Position Tracking of Surfaced Mounded Permanent Magnet Synchronous Motors
title_short	Nonlinear Optimal Position Control with Observer for Position Tracking of Surfaced Mounded Permanent Magnet Synchronous Motors
title_full	Nonlinear Optimal Position Control with Observer for Position Tracking of Surfaced Mounded Permanent Magnet Synchronous Motors
title_fullStr	Nonlinear Optimal Position Control with Observer for Position Tracking of Surfaced Mounded Permanent Magnet Synchronous Motors
title_full_unstemmed	Nonlinear Optimal Position Control with Observer for Position Tracking of Surfaced Mounded Permanent Magnet Synchronous Motors
title_sort	nonlinear optimal position control with observer for position tracking of surfaced mounded permanent magnet synchronous motors
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/2630c36d2b734e31a554cc2e6aed52f2
work_keys_str_mv	AT donghyunha nonlinearoptimalpositioncontrolwithobserverforpositiontrackingofsurfacedmoundedpermanentmagnetsynchronousmotors AT raeyoungkim nonlinearoptimalpositioncontrolwithobserverforpositiontrackingofsurfacedmoundedpermanentmagnetsynchronousmotors
_version_	1718413006202732544

Nonlinear Optimal Position Control with Observer for Position Tracking of Surfaced Mounded Permanent Magnet Synchronous Motors

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