Vehicle vibration suppression using an inerter-based mechatronic device

Yujie Shen, Jason Zheng Jiang, Simon A Neild, Long Chen

Research output: Contribution to journalArticle (Academic Journal)peer-review

177 Downloads (Pure)

Abstract

As a two terminals mechanical element, the inerter has been successfully deployed in various mechanical systems, such as automotives, multi-storey buildings and motorcycles. The introduction of the inerter allows the use of network synthesis to design a passive mechanical network, and can potentially facilitate the identification of practical and high performance mechatronic vibration absorbers. This paper provides an approach for optimal design of both the mechanical and the electrical parts for an inerter-based mechatronic device in vehicle suspension. The system considered includes a mechanical ball-screw inerter alongside an electric motor that isn’t driven but instead used passively with an electrical load applied across the terminals. The trade-offs in designing the ball-screw inerter and the permanent magnet electric machinery (PMEM) is discussed in detail. Two factors, namely the coil resistance and the inductor resistance are taken into account in the performance evaluation. Results show that the improvements in the road holding performance can reach 9.24% for the ideal suspension system with no diverse effect on the ride comfort and suspension travel performance, while a 5.77% improvement can be obtained when the effects of the coil resistance and the inductor are included
Original languageEnglish
JournalProceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering
Early online date8 Apr 2020
DOIs
Publication statusE-pub ahead of print - 8 Apr 2020

Keywords

  • vehicle suspension
  • vibration suppression
  • mechatronic
  • inerter
  • electrical and mechanical network

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