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Improving the Dynamic Range and Resolution of Mems Resonant Sensors Utilizing Nonlinear Cancellation

  • Chengxin Li
  • , Aojie Quan
  • , Hemin Zhang
  • , Chen Wang
  • , Mustafa Mert Torunbalci
  • , Linlin Wang
  • , Chenxi Wang
  • , Yangyang Guan
  • , Yuan Wang
  • , Michael Kraft
  • KU Leuven
  • Broadcom Corporation
  • University of Macau

科研成果: 书/报告/会议事项章节会议稿件同行评审

1 引用 (Scopus)

摘要

In this paper, improvements on the dynamic range and resolution of MEMS (Micro-electromechanical systems) resonant sensors are demonstrated using a nonlinear cancellation method. The fabricated MEMS resonator shows obvious mechanical nonlinear behavior due to spring hardening. A DC tuning voltage forces the device to enter an intermediate regime between the mechanical and electrostatic nonlinear regimes, resulting in a higher linear vibration amplitude compared to the maximum linear amplitude (MLA), i.e., critical amplitude. The experimental results show that the input referred resolution can be improved by a factor of 7 and the dynamic range is enhanced by 6 dB, respectively, when nonlinear cancellation is applied.

源语言英语
主期刊名2023 22nd International Conference on Solid-State Sensors, Actuators and Microsystems, Transducers 2023
出版商Institute of Electrical and Electronics Engineers Inc.
469-472
页数4
ISBN(电子版)9784886864352
出版状态已出版 - 2023
活动22nd International Conference on Solid-State Sensors, Actuators and Microsystems, Transducers 2023 - Kyoto, 日本
期限: 25 6月 202329 6月 2023

出版系列

姓名2023 22nd International Conference on Solid-State Sensors, Actuators and Microsystems, Transducers 2023

会议

会议22nd International Conference on Solid-State Sensors, Actuators and Microsystems, Transducers 2023
国家/地区日本
Kyoto
时期25/06/2329/06/23

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