Electromagnetic damper using brushless direct drive DC motor

To fabricate a semiactive type of damper that is comparatively compact and has low mechanical loss, the author developed an electromagnetic damper using a brushless direct drive DC motor. The damper comprises a ball screw mechanism and a brushless direct drive DC motor that acts as a generator. The...

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Autor principal:	Taichi MATSUOKA
Formato:	article
Lenguaje:	EN
Publicado:	The Japan Society of Mechanical Engineers 2018
Materias:	damper vibration control device damping vibration control direct drive motor brushless Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/aade4191d5294855957161f908b93216
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spelling	oai:doaj.org-article:aade4191d5294855957161f908b932162021-11-26T07:24:18ZElectromagnetic damper using brushless direct drive DC motor2187-974510.1299/mej.18-00307https://doaj.org/article/aade4191d5294855957161f908b932162018-10-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/mej/5/6/5_18-00307/_pdf/-char/enhttps://doaj.org/toc/2187-9745To fabricate a semiactive type of damper that is comparatively compact and has low mechanical loss, the author developed an electromagnetic damper using a brushless direct drive DC motor. The damper comprises a ball screw mechanism and a brushless direct drive DC motor that acts as a generator. The motor consists of a rotor and a three-phase stator, and it is installed at the tip of the screw shaft. The lack of contact between the rotor and stator is an advantage. When a linear motion is converted into a rotational motion by the ball screw mechanism, the rotor is rotated, and electrical driving power is generated by electromagnetic induction. The damping effect of each phase is caused by kinetic energy dissipation by the electrical resistances connected to each terminal of coils. In this study, a test damper is fabricated, and theories of resisting force and rise time are introduced. Performance tests are carried out to confirm the theories and the dynamic properties of the damper for two winding configurations, and the experimental results are compared with the theoretical results. The damping effect is greatly generated and smoothly, but saturated in high frequency range, and switched quickly by SSR. It is possible to make the damper more efficient, compact, and sensitive. Finally, theories and the dynamic properties of the damper are confirmed.Taichi MATSUOKAThe Japan Society of Mechanical Engineersarticledampervibration control devicedampingvibration controldirect drive motorbrushlessMechanical engineering and machineryTJ1-1570ENMechanical Engineering Journal, Vol 5, Iss 6, Pp 18-00307-18-00307 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	damper vibration control device damping vibration control direct drive motor brushless Mechanical engineering and machinery TJ1-1570
spellingShingle	damper vibration control device damping vibration control direct drive motor brushless Mechanical engineering and machinery TJ1-1570 Taichi MATSUOKA Electromagnetic damper using brushless direct drive DC motor
description	To fabricate a semiactive type of damper that is comparatively compact and has low mechanical loss, the author developed an electromagnetic damper using a brushless direct drive DC motor. The damper comprises a ball screw mechanism and a brushless direct drive DC motor that acts as a generator. The motor consists of a rotor and a three-phase stator, and it is installed at the tip of the screw shaft. The lack of contact between the rotor and stator is an advantage. When a linear motion is converted into a rotational motion by the ball screw mechanism, the rotor is rotated, and electrical driving power is generated by electromagnetic induction. The damping effect of each phase is caused by kinetic energy dissipation by the electrical resistances connected to each terminal of coils. In this study, a test damper is fabricated, and theories of resisting force and rise time are introduced. Performance tests are carried out to confirm the theories and the dynamic properties of the damper for two winding configurations, and the experimental results are compared with the theoretical results. The damping effect is greatly generated and smoothly, but saturated in high frequency range, and switched quickly by SSR. It is possible to make the damper more efficient, compact, and sensitive. Finally, theories and the dynamic properties of the damper are confirmed.
format	article
author	Taichi MATSUOKA
author_facet	Taichi MATSUOKA
author_sort	Taichi MATSUOKA
title	Electromagnetic damper using brushless direct drive DC motor
title_short	Electromagnetic damper using brushless direct drive DC motor
title_full	Electromagnetic damper using brushless direct drive DC motor
title_fullStr	Electromagnetic damper using brushless direct drive DC motor
title_full_unstemmed	Electromagnetic damper using brushless direct drive DC motor
title_sort	electromagnetic damper using brushless direct drive dc motor
publisher	The Japan Society of Mechanical Engineers
publishDate	2018
url	https://doaj.org/article/aade4191d5294855957161f908b93216
work_keys_str_mv	AT taichimatsuoka electromagneticdamperusingbrushlessdirectdrivedcmotor
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Electromagnetic damper using brushless direct drive DC motor

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