Investigating into Minimum Detectable Displacement Signal in Image-Based Vibration Measurement

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Image-based vibration measurement is becoming more and more popular due to its critical advantages of non-contact and full-field measurement. However, the minimum detectable displacement of a measurement system still lacks a theoretical study and experimental verification. When measuring vibration displacement of micron scale, it becomes difficult to distinguish the signal from noises. Therefore, this paper puts forward an explicit equation to calculate the minimum detectable signal (MDS) of displacement in vibration measurement using high-speed camera. The influence factors including blurring, color depth, image noise, and resolution are all included in the equation, which presents how these factors impact on the MDS. A simulation test is conducted on synthetic image and results show a great agreement with theoretical prediction. Furthermore, the equation of MDS is validated by an experimental study on modal analysis.

Original languageEnglish
Title of host publicationProceedings of IncoME-V & CEPE Net-2020
Subtitle of host publicationCondition Monitoring, Plant Maintenance and Reliability
EditorsDong Zhen, Dong Wang, Tianyang Wang, Hongjun Wang, Baoshan Huang, Jyoti K. Sinha, Andrew David Ball
Place of PublicationCham
PublisherSpringer Nature Switzerland AG
Pages882-894
Number of pages13
Volume105
Edition1st
ISBN (Electronic)9783030757939
ISBN (Print)9783030757922
DOIs
Publication statusPublished - 16 May 2021
Event5th International Conference on Maintenance Engineering and the 2020 Annual Conference of the Centre for Efficiency and Performance Engineering Network - Zhuhai, China
Duration: 23 Oct 202025 Oct 2020
Conference number: 5
https://link.springer.com/book/10.1007/978-3-030-75793-9#about

Publication series

NameMechanisms and Machine Science
Volume105
ISSN (Print)2211-0984
ISSN (Electronic)2211-0992

Conference

Conference5th International Conference on Maintenance Engineering and the 2020 Annual Conference of the Centre for Efficiency and Performance Engineering Network
Abbreviated titleIncoME-V and CEPE Net-2020
CountryChina
CityZhuhai
Period23/10/2025/10/20
Internet address

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