PMID- 36060526
OWN - NLM
STAT- PubMed-not-MEDLINE
LR  - 20220907
IS  - 2055-7434 (Electronic)
IS  - 2096-1030 (Print)
IS  - 2055-7434 (Linking)
VI  - 8
DP  - 2022
TI  - Fast frequency relocking for synchronization enhanced resonant accelerometer.
PG  - 93
LID - 10.1038/s41378-022-00428-5 [doi]
LID - 93
AB  - Synchronization, as a unique phenomenon, has been extensively studied in biology, 
      chaotic systems, nonlinear dynamics, quantum information, and other fields. 
      Benefiting from the characteristics of frequency amplification, noise 
      suppression, and stability improvement, synchronization has been gradually 
      applied in sensing, communication, time keeping, and other applications. In the 
      sensing field, synchronization provides a new strategy to improve the performance 
      of sensors. However, the performance improvement is only effective within the 
      synchronization range, and the narrow synchronization range has become a great 
      challenge for the wide application of synchronization-enhanced sensing mechanism. 
      Here, we propose a frequency automatic tracking system (FATS) to widen the 
      synchronization range and track the periodic acceleration signals by adjusting 
      the frequency of the readout oscillator in real time. In addition, a 
      high-precision frequency measurement system and fast response control system 
      based on FPGA (Field Programmable Gate Array) are built, and the tracking 
      performance of the FATS for static and dynamic external signals is analyzed to 
      obtain the optimal control parameters. Experimental results show that the 
      proposed automatic tracking system is capable of static acceleration measurement, 
      the synchronization range can be expanded to 975 Hz, and the relocking time is 
      shortened to 93.4 ms at best. By selecting the optimal PID parameters, we achieve 
      a faster relocking time to meet the requirements of low-frequency vibration 
      measurements, such as seismic detection and tidal monitoring.
CI  - (c) The Author(s) 2022.
FAU - Xu, Liu
AU  - Xu L
AD  - State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong 
      University, Xi'an, Shaanxi 710049 China. GRID: grid.43169.39. ISNI: 0000 0001 
      0599 1243
FAU - Qi, Yonghong
AU  - Qi Y
AD  - State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong 
      University, Xi'an, Shaanxi 710049 China. GRID: grid.43169.39. ISNI: 0000 0001 
      0599 1243
FAU - Jiang, Zhuangde
AU  - Jiang Z
AD  - State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong 
      University, Xi'an, Shaanxi 710049 China. GRID: grid.43169.39. ISNI: 0000 0001 
      0599 1243
FAU - Wei, Xueyong
AU  - Wei X
AUID- ORCID: 0000-0002-6443-4727
AD  - State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong 
      University, Xi'an, Shaanxi 710049 China. GRID: grid.43169.39. ISNI: 0000 0001 
      0599 1243
LA  - eng
PT  - Journal Article
DEP - 20220901
PL  - England
TA  - Microsyst Nanoeng
JT  - Microsystems & nanoengineering
JID - 101695458
PMC - PMC9436963
OTO - NOTNLM
OT  - Electrical and electronic engineering
OT  - Sensors
COIS- Competing interestsThe authors declare no competing interests.
EDAT- 2022/09/06 06:00
MHDA- 2022/09/06 06:01
PMCR- 2022/09/01
CRDT- 2022/09/05 03:55
PHST- 2021/10/06 00:00 [received]
PHST- 2022/03/17 00:00 [revised]
PHST- 2022/06/07 00:00 [accepted]
PHST- 2022/09/05 03:55 [entrez]
PHST- 2022/09/06 06:00 [pubmed]
PHST- 2022/09/06 06:01 [medline]
PHST- 2022/09/01 00:00 [pmc-release]
AID - 428 [pii]
AID - 10.1038/s41378-022-00428-5 [doi]
PST - epublish
SO  - Microsyst Nanoeng. 2022 Sep 1;8:93. doi: 10.1038/s41378-022-00428-5. eCollection 
      2022.