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The development of an intelligent hybrid active-passive vibration isolator

The development of an intelligent hybrid active-passive vibration isolator
The development of an intelligent hybrid active-passive vibration isolator
A hybrid active-passive vibration isolator made up of electromagnetic actuator and air spring in parallel can be used to effectively isolate the broadband and line spectrum vibration of mechanical equipment simultaneously. However, due to its reliability and safety problems caused by the impact, its application in ships is limited. In this paper, an impactresistant structure and an air gap self-sensing method of the passive-active hybrid vibration isolator are proposed and developed on the base of modelling, simulation and analysis. A thin magnetic rubber is filled into the air gap of electromagnetic actuator, which can avoid rigid collision between the armature and the permanent magnet under the action of impact. A suspension armature structure including pre-compression spring is suggested, which can automatically compensate the deformation caused by impact and protect the coil and permanent magnet from impact damage. An air gap self-sensing method is developed through detecting the voltage between the input and output terminals of actuator, which is verified by experiments.
1742-6588
1-10
Changgeng, Shuai
0c9e0506-46ba-44dc-bd89-f14d83eab5ab
Jianguo, Ma
55aaf367-6181-4ead-b7dd-af179c24953c
Rustighi, Emiliano
9544ced4-5057-4491-a45c-643873dfed96
Changgeng, Shuai
0c9e0506-46ba-44dc-bd89-f14d83eab5ab
Jianguo, Ma
55aaf367-6181-4ead-b7dd-af179c24953c
Rustighi, Emiliano
9544ced4-5057-4491-a45c-643873dfed96

Changgeng, Shuai, Jianguo, Ma and Rustighi, Emiliano (2016) The development of an intelligent hybrid active-passive vibration isolator. Journal of Physics: Conference Series, 744 (1), 1-10. (doi:10.1088/1742-6596/744/1/012160).

Record type: Article

Abstract

A hybrid active-passive vibration isolator made up of electromagnetic actuator and air spring in parallel can be used to effectively isolate the broadband and line spectrum vibration of mechanical equipment simultaneously. However, due to its reliability and safety problems caused by the impact, its application in ships is limited. In this paper, an impactresistant structure and an air gap self-sensing method of the passive-active hybrid vibration isolator are proposed and developed on the base of modelling, simulation and analysis. A thin magnetic rubber is filled into the air gap of electromagnetic actuator, which can avoid rigid collision between the armature and the permanent magnet under the action of impact. A suspension armature structure including pre-compression spring is suggested, which can automatically compensate the deformation caused by impact and protect the coil and permanent magnet from impact damage. An air gap self-sensing method is developed through detecting the voltage between the input and output terminals of actuator, which is verified by experiments.

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Accepted/In Press date: 12 August 2016
e-pub ahead of print date: 1 October 2016
Published date: 3 October 2016
Organisations: Dynamics Group

Identifiers

Local EPrints ID: 399648
URI: https://eprints.soton.ac.uk/id/eprint/399648
ISSN: 1742-6588
PURE UUID: 7e030193-aab6-4de0-984a-eda2a32170a7
ORCID for Emiliano Rustighi: ORCID iD orcid.org/0000-0001-9871-7795

Catalogue record

Date deposited: 23 Aug 2016 08:35
Last modified: 06 Jun 2018 12:43

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