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2025 | OriginalPaper | Chapter

7. A Novel OS@DF TF-Based Method for Open Beam-Type Structures

Authors : Quankun Li, Xingjian Jing

Published in: Frequency Domain Nonlinear Vibration Features for Fault Diagnosis in Complex Structures

Publisher: Springer Nature Singapore

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Abstract

The chapter presents a groundbreaking method for diagnosing bolt-loosening faults in open beam-type structures, a common issue in civil and mechanical engineering. Traditional methods often overlook nonlinear boundary conditions and require extensive reference data. This novel approach, however, incorporates these conditions and uses a local sub-model to simplify the diagnostic process. The method is validated through experimental studies on a laboratory bolted beam-like steel structure, demonstrating its effectiveness in accurately identifying and locating bolt-loosening faults even in the presence of nonlinear boundaries. The chapter also compares the new method with existing ones, highlighting its superior performance and practical applicability.
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previous chapter A Systematic Method Based on SOOS TFs for Various Types of Faults
next chapter A Novel OS@DF TF-Based Method for Closed Ring-Type Structures
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Metadata
Title
A Novel OS@DF TF-Based Method for Open Beam-Type Structures
Authors
Quankun Li
Xingjian Jing
Copyright Year
2025
Publisher
Springer Nature Singapore
Book
Frequency Domain Nonlinear Vibration Features for Fault Diagnosis in Complex Structures

Print ISBN: 978-981-9617-01-2

Electronic ISBN: 978-981-9617-02-9

Copyright Year: 2025

DOI
https://doi.org/10.1007/978-981-96-1702-9_7

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