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Self-powered, Self-sensing Magnetorheological Dampers.

机译：自供电，自感应磁流变阻尼器。

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摘要

Magnetorheological (MR) dampers are promising for semi-active vibration control of various dynamic systems. In the current MR damper system, separate power supply and dynamic sensor are required. This research is aimed to propose and investigate self-powered, self-sensing (SPSS) MR dampers, which integrate energy harvesting, sensing and MR damping technologies into one device. SPSS MR damper has self-contained power generation and velocity/displacement sensing capabilities. This multifunctional integration will bring great benefits such as energy saving, higher reliability, size and weight reduction, lower cost, and less maintenance for the use of MR damper systems. It will advance the technology of various dynamic systems such as suspensions and prostheses.;Concepts, principles, design methodology, key issues and solutions of SPSS MR dampers are studied. Two prototypes of the SPSS MR dampers are designed, fabricated, and tested. Several integrated power generation and sensing methods for MR dampers are proposed and investigated. Modeling, theoretical analyses, and experimental studies on power generation ability, sensing capability and damping force performances are conducted. Models of SPSS MR dampers considering individual functions and interactions are developed and validated experimentally. Systematic studies on the self-powered MR damper system are performed, including interaction between the power generation and MR damping, self-powered criterion, working range and design guidelines. Moreover, a self-powered controller and combined magnetic-field isolation method are proposed and investigated.
机译：磁流变（MR）阻尼器有望用于各种动态系统的半主动振动控制。在当前的MR阻尼器系统中，需要单独的电源和动态传感器。这项研究旨在提出和研究自供电，自感应（SPSS）MR阻尼器，该阻尼器将能量收集，传感和MR阻尼技术集成到一个设备中。 SPSS MR阻尼器具有独立的发电和速度/位移感应功能。这种多功能的集成将带来巨大的好处，例如节省能源，提高可靠性，减小尺寸和重量，降低成本以及减少对MR阻尼器系统的维护。它将推动诸如悬架和假肢等各种动态系统的技术发展。研究了SPSS MR阻尼器的概念，原理，设计方法，关键问题和解决方案。设计，制造和测试了SPSS MR阻尼器的两个原型。提出并研究了几种用于MR阻尼器的综合发电和传感方法。对发电能力，传感能力和阻尼力性能进行了建模，理论分析和实验研究。考虑到各个功能和相互作用的SPSS MR阻尼器模型已开发并通过实验验证。对自供电MR阻尼器系统进行了系统研究，包括发电与MR阻尼之间的相互作用，自供电标准，工作范围和设计指南。此外，提出并研究了一种自供电控制器和组合磁场隔离方法。

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  • 作者

    Chen, Chao.;

  • 作者单位

    The Chinese University of Hong Kong (Hong Kong).;

  • 授予单位 The Chinese University of Hong Kong (Hong Kong).;
  • 学科 Engineering Industrial.;Engineering Materials Science.;Engineering Mechanical.
  • 学位 Ph.D.
  • 年度 2012
  • 页码 199 p.
  • 总页数 199
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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