Design of Constraints for Seeking Maximum Torque per Ampere Techniques in an Interior Permanent Magnet Synchronous Motor Control

The efficient control of permanent magnet synchronous motors (PMSM) requires the development of a technique for loss optimization. The best approach is the implementation of power loss minimization algorithms, which are hard to model and design. Therefore, the developers typically involve maximum to...

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Autores principales:	Anton Dianov, Alecksey Anuchin
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	synchronous motor adaptive control MTPA control parameter variation constraints design Mathematics QA1-939
Acceso en línea:	https://doaj.org/article/7980da498ee6487e9e7ff630035b0ef3
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id	oai:doaj.org-article:7980da498ee6487e9e7ff630035b0ef3
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spelling	oai:doaj.org-article:7980da498ee6487e9e7ff630035b0ef32021-11-11T18:19:29ZDesign of Constraints for Seeking Maximum Torque per Ampere Techniques in an Interior Permanent Magnet Synchronous Motor Control10.3390/math92127852227-7390https://doaj.org/article/7980da498ee6487e9e7ff630035b0ef32021-11-01T00:00:00Zhttps://www.mdpi.com/2227-7390/9/21/2785https://doaj.org/toc/2227-7390The efficient control of permanent magnet synchronous motors (PMSM) requires the development of a technique for loss optimization. The best approach is the implementation of power loss minimization algorithms, which are hard to model and design. Therefore, the developers typically involve maximum torque per ampere (MTPA) control, which optimizes Joule loss only. The conventional MTPA control requires knowledge of motor parameters and can only properly operate when these parameters are constant. However, motor parameters vary depending on operating conditions; thus, conventional techniques cannot be used. Furthermore, many industrial drives are designed for self-commissioning, and they do not have prior information on motor parameters. In order to solve this problem, various MTPA-seeking techniques, which track the minimum of motor current, have been developed. The dynamic performance between these seeking algorithms and maximum deviation from the true MTPA trajectory are defined by the constraints in most cases, in which proper design improves the dynamic behavior of MTPA-seeking algorithms. This paper considers a PMSM, which was designed to operate in the saturation area and whose MTPA trajectory significantly deviates from the same curve constructed for the initial unsaturated parameters. This paper considers existing approaches, explains their pros and cons, and demonstrates that these methods do not utilize full potential of the motor. A new constraint design was proposed and explained step by step. The experiment verifies the proposed technique and demonstrates improvements in efficiency and dynamic behavior of the seeking algorithm.Anton DianovAlecksey AnuchinMDPI AGarticlesynchronous motoradaptive controlMTPA controlparameter variationconstraints designMathematicsQA1-939ENMathematics, Vol 9, Iss 2785, p 2785 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	synchronous motor adaptive control MTPA control parameter variation constraints design Mathematics QA1-939
spellingShingle	synchronous motor adaptive control MTPA control parameter variation constraints design Mathematics QA1-939 Anton Dianov Alecksey Anuchin Design of Constraints for Seeking Maximum Torque per Ampere Techniques in an Interior Permanent Magnet Synchronous Motor Control
description	The efficient control of permanent magnet synchronous motors (PMSM) requires the development of a technique for loss optimization. The best approach is the implementation of power loss minimization algorithms, which are hard to model and design. Therefore, the developers typically involve maximum torque per ampere (MTPA) control, which optimizes Joule loss only. The conventional MTPA control requires knowledge of motor parameters and can only properly operate when these parameters are constant. However, motor parameters vary depending on operating conditions; thus, conventional techniques cannot be used. Furthermore, many industrial drives are designed for self-commissioning, and they do not have prior information on motor parameters. In order to solve this problem, various MTPA-seeking techniques, which track the minimum of motor current, have been developed. The dynamic performance between these seeking algorithms and maximum deviation from the true MTPA trajectory are defined by the constraints in most cases, in which proper design improves the dynamic behavior of MTPA-seeking algorithms. This paper considers a PMSM, which was designed to operate in the saturation area and whose MTPA trajectory significantly deviates from the same curve constructed for the initial unsaturated parameters. This paper considers existing approaches, explains their pros and cons, and demonstrates that these methods do not utilize full potential of the motor. A new constraint design was proposed and explained step by step. The experiment verifies the proposed technique and demonstrates improvements in efficiency and dynamic behavior of the seeking algorithm.
format	article
author	Anton Dianov Alecksey Anuchin
author_facet	Anton Dianov Alecksey Anuchin
author_sort	Anton Dianov
title	Design of Constraints for Seeking Maximum Torque per Ampere Techniques in an Interior Permanent Magnet Synchronous Motor Control
title_short	Design of Constraints for Seeking Maximum Torque per Ampere Techniques in an Interior Permanent Magnet Synchronous Motor Control
title_full	Design of Constraints for Seeking Maximum Torque per Ampere Techniques in an Interior Permanent Magnet Synchronous Motor Control
title_fullStr	Design of Constraints for Seeking Maximum Torque per Ampere Techniques in an Interior Permanent Magnet Synchronous Motor Control
title_full_unstemmed	Design of Constraints for Seeking Maximum Torque per Ampere Techniques in an Interior Permanent Magnet Synchronous Motor Control
title_sort	design of constraints for seeking maximum torque per ampere techniques in an interior permanent magnet synchronous motor control
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/7980da498ee6487e9e7ff630035b0ef3
work_keys_str_mv	AT antondianov designofconstraintsforseekingmaximumtorqueperamperetechniquesinaninteriorpermanentmagnetsynchronousmotorcontrol AT aleckseyanuchin designofconstraintsforseekingmaximumtorqueperamperetechniquesinaninteriorpermanentmagnetsynchronousmotorcontrol
_version_	1718431893757624320

Design of Constraints for Seeking Maximum Torque per Ampere Techniques in an Interior Permanent Magnet Synchronous Motor Control

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