Linear optimal design of a magnetic repulsion negative stiffness structure

To reduce negative stiffness structure’s stiffness non-linearity, enhance its stability during entire working displacement range, and expand its allowable working displacement, the optimal design of negative stiffness structure based on magnetic repulsion is proposed, and its structural parameters a...

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Autores principales:	Zhang Bao, Wang Xiaoping, Ge Xinfang
Formato:	article
Lenguaje:	EN
Publicado:	SAGE Publishing 2021
Materias:	Control engineering systems. Automatic machinery (General) TJ212-225 Acoustics. Sound QC221-246
Acceso en línea:	https://doaj.org/article/de503441a8654c66a3711c056cd82d39
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spelling	oai:doaj.org-article:de503441a8654c66a3711c056cd82d392021-12-02T01:34:27ZLinear optimal design of a magnetic repulsion negative stiffness structure1461-34842048-404610.1177/1461348421992614https://doaj.org/article/de503441a8654c66a3711c056cd82d392021-12-01T00:00:00Zhttps://doi.org/10.1177/1461348421992614https://doaj.org/toc/1461-3484https://doaj.org/toc/2048-4046To reduce negative stiffness structure’s stiffness non-linearity, enhance its stability during entire working displacement range, and expand its allowable working displacement, the optimal design of negative stiffness structure based on magnetic repulsion is proposed, and its structural parameters are also provided. The new negative stiffness structure’s model is established to determine the structural design parameters. According to the change of the new negative stiffness structure’s stiffness curve, we select the structural parameter to meet the design requirements. In order to verify the effectiveness of the proposed negative stiffness structure, we carried out simulation analysis, and the results show that the optimized negative stiffness structure’s stiffness non-linearity is greatly reduced in a relatively longer displacement, and its stiffness stability is promoted substantially compared with the simple triple-magnet negative stiffness structure.Zhang BaoWang XiaopingGe XinfangSAGE PublishingarticleControl engineering systems. Automatic machinery (General)TJ212-225Acoustics. SoundQC221-246ENJournal of Low Frequency Noise, Vibration and Active Control, Vol 40 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Control engineering systems. Automatic machinery (General) TJ212-225 Acoustics. Sound QC221-246
spellingShingle	Control engineering systems. Automatic machinery (General) TJ212-225 Acoustics. Sound QC221-246 Zhang Bao Wang Xiaoping Ge Xinfang Linear optimal design of a magnetic repulsion negative stiffness structure
description	To reduce negative stiffness structure’s stiffness non-linearity, enhance its stability during entire working displacement range, and expand its allowable working displacement, the optimal design of negative stiffness structure based on magnetic repulsion is proposed, and its structural parameters are also provided. The new negative stiffness structure’s model is established to determine the structural design parameters. According to the change of the new negative stiffness structure’s stiffness curve, we select the structural parameter to meet the design requirements. In order to verify the effectiveness of the proposed negative stiffness structure, we carried out simulation analysis, and the results show that the optimized negative stiffness structure’s stiffness non-linearity is greatly reduced in a relatively longer displacement, and its stiffness stability is promoted substantially compared with the simple triple-magnet negative stiffness structure.
format	article
author	Zhang Bao Wang Xiaoping Ge Xinfang
author_facet	Zhang Bao Wang Xiaoping Ge Xinfang
author_sort	Zhang Bao
title	Linear optimal design of a magnetic repulsion negative stiffness structure
title_short	Linear optimal design of a magnetic repulsion negative stiffness structure
title_full	Linear optimal design of a magnetic repulsion negative stiffness structure
title_fullStr	Linear optimal design of a magnetic repulsion negative stiffness structure
title_full_unstemmed	Linear optimal design of a magnetic repulsion negative stiffness structure
title_sort	linear optimal design of a magnetic repulsion negative stiffness structure
publisher	SAGE Publishing
publishDate	2021
url	https://doaj.org/article/de503441a8654c66a3711c056cd82d39
work_keys_str_mv	AT zhangbao linearoptimaldesignofamagneticrepulsionnegativestiffnessstructure AT wangxiaoping linearoptimaldesignofamagneticrepulsionnegativestiffnessstructure AT gexinfang linearoptimaldesignofamagneticrepulsionnegativestiffnessstructure
_version_	1718403045675499520

Linear optimal design of a magnetic repulsion negative stiffness structure

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