Synchronous identification and successive detection of multiple traces with tunable coupling oscillators

Cao Xia, Dong F. Wang, Jie Song, Takahito Ono, Toshihiro Itoh, Ryutaro Maeda, Masayoshi Esashi

研究成果: Article査読

抄録

Trace identification and detection of toxic, flammable, explosive substances, pollen allergens, as well as biological viruses is crucial for public health and safety, chemic production, and scientific research, etc. A single trace is detectable via various nonlinear resonance phenomena, while quantitative detection of two traces is physically limited by the trace ratio even with localized oscillators. We have discovered that, in internal resonance systems, response amplitude of any coupled mode physically reflects multi-modal features. In case of multi-mode coupled duffing oscillators, peaks and jumps in response amplitudes show great potential in synchronous identification and successive detection for multiple traces. With tunable magnetically coupled duffing oscillators, multiple traces are both experimentally and theoretically demonstrated to be synchronously identified and successively detected with multiplied frequency shifts. Measurement ranges and manufacturing errors are adjustable or compensable respectively only through turning the coupling strength. This work not only opens a new avenue in applications of nonlinear resonators, but also provides a new metrological scheme for synchronous identification and successive detection of multiple traces.

本文言語English
論文番号108395
ジャーナルMechanical Systems and Signal Processing
166
DOI
出版ステータスPublished - 2022 3 1

ASJC Scopus subject areas

  • 制御およびシステム工学
  • 信号処理
  • 土木構造工学
  • 航空宇宙工学
  • 機械工学
  • コンピュータ サイエンスの応用

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