Control and Operation of a Hybrid Actuator for Maglev Applications

The hybrid actuator presented in this article is meant to enable stationary and slow dynamic levitation in Maglev applications. The term ‘hybrid’ refers to the design of the actuator, which is a combination of permanent magnets (PM) and electromagnets. This paper presents an analytically computable...

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Autores principales:	Rickwärtz Jan Philipp, Kolb Johann, Franck Marius, Hameyer Kay
Formato:	article
Lenguaje:	EN
Publicado:	Sciendo 2021
Materias:	maglev electromagnetic levitation controlled permanent magnet hybrid actuator Electronics TK7800-8360
Acceso en línea:	https://doaj.org/article/b55aeca589284a1e9ad57d0e59a8dc5d
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spelling	oai:doaj.org-article:b55aeca589284a1e9ad57d0e59a8dc5d2021-12-05T14:11:09ZControl and Operation of a Hybrid Actuator for Maglev Applications2543-429210.2478/pead-2021-0015https://doaj.org/article/b55aeca589284a1e9ad57d0e59a8dc5d2021-01-01T00:00:00Zhttps://doi.org/10.2478/pead-2021-0015https://doaj.org/toc/2543-4292The hybrid actuator presented in this article is meant to enable stationary and slow dynamic levitation in Maglev applications. The term ‘hybrid’ refers to the design of the actuator, which is a combination of permanent magnets (PM) and electromagnets. This paper presents an analytically computable control algorithm for the said hybrid actuator. The theory of magnetic circuits is summarized shortly and used to derive a cascaded control loop consisting of an inner current controller and an outer air gap controller. Since the uncontrolled hybrid actuator is inherently unstable, the system has to be stabilized. By introducing a PID-controller into the air gap control loop, the unstable behaviour of the uncontrolled system is changed into the system behaviour of a damped harmonic oscillator. The advantage of this approach is that the computed controller parameters of the PID-controller can easily be adjusted, so the system behaviour of damping and eigenfrequency can be selected within a certain range. For the execution of the control algorithm, a microcontroller (MCU) is used and for precise air gap measurement, an eddy current sensor is installed. Finally, the behaviour of the current- and air gap controller is discussed for different measurement results and the adjustable system behaviour of the damped harmonic oscillator is presented.Rickwärtz Jan PhilippKolb JohannFranck MariusHameyer KaySciendoarticlemaglevelectromagnetic levitationcontrolled permanent magnethybrid actuatorElectronicsTK7800-8360ENPower Electronics and Drives, Vol 6, Iss 1, Pp 129-144 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	maglev electromagnetic levitation controlled permanent magnet hybrid actuator Electronics TK7800-8360
spellingShingle	maglev electromagnetic levitation controlled permanent magnet hybrid actuator Electronics TK7800-8360 Rickwärtz Jan Philipp Kolb Johann Franck Marius Hameyer Kay Control and Operation of a Hybrid Actuator for Maglev Applications
description	The hybrid actuator presented in this article is meant to enable stationary and slow dynamic levitation in Maglev applications. The term ‘hybrid’ refers to the design of the actuator, which is a combination of permanent magnets (PM) and electromagnets. This paper presents an analytically computable control algorithm for the said hybrid actuator. The theory of magnetic circuits is summarized shortly and used to derive a cascaded control loop consisting of an inner current controller and an outer air gap controller. Since the uncontrolled hybrid actuator is inherently unstable, the system has to be stabilized. By introducing a PID-controller into the air gap control loop, the unstable behaviour of the uncontrolled system is changed into the system behaviour of a damped harmonic oscillator. The advantage of this approach is that the computed controller parameters of the PID-controller can easily be adjusted, so the system behaviour of damping and eigenfrequency can be selected within a certain range. For the execution of the control algorithm, a microcontroller (MCU) is used and for precise air gap measurement, an eddy current sensor is installed. Finally, the behaviour of the current- and air gap controller is discussed for different measurement results and the adjustable system behaviour of the damped harmonic oscillator is presented.
format	article
author	Rickwärtz Jan Philipp Kolb Johann Franck Marius Hameyer Kay
author_facet	Rickwärtz Jan Philipp Kolb Johann Franck Marius Hameyer Kay
author_sort	Rickwärtz Jan Philipp
title	Control and Operation of a Hybrid Actuator for Maglev Applications
title_short	Control and Operation of a Hybrid Actuator for Maglev Applications
title_full	Control and Operation of a Hybrid Actuator for Maglev Applications
title_fullStr	Control and Operation of a Hybrid Actuator for Maglev Applications
title_full_unstemmed	Control and Operation of a Hybrid Actuator for Maglev Applications
title_sort	control and operation of a hybrid actuator for maglev applications
publisher	Sciendo
publishDate	2021
url	https://doaj.org/article/b55aeca589284a1e9ad57d0e59a8dc5d
work_keys_str_mv	AT rickwartzjanphilipp controlandoperationofahybridactuatorformaglevapplications AT kolbjohann controlandoperationofahybridactuatorformaglevapplications AT franckmarius controlandoperationofahybridactuatorformaglevapplications AT hameyerkay controlandoperationofahybridactuatorformaglevapplications
_version_	1718371317833531392

Control and Operation of a Hybrid Actuator for Maglev Applications

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