A review of operational modal analysis techniques for in-service modal identification
Vibrations are the root cause of many mechanical and civil structure failures. Dynamic
characteristics of a structure must be extracted to better understand structural vibrational …
characteristics of a structure must be extracted to better understand structural vibrational …
Noise robustness of an operational modal-based structural damage-detection scheme using impact-synchronous modal analysis
Data-driven damage-detection schemes are usually unsupervised machine-learning models
in practice, as these do not require any training. Vibration-based features are commonly …
in practice, as these do not require any training. Vibration-based features are commonly …
Inertial sensor based human behavior recognition in modal testing using machine learning approach
Adaptive phase control impact device (APCID) was developed for performing in-service
modal analysis using impact synchronous modal analysis. However, this device is large and …
modal analysis using impact synchronous modal analysis. However, this device is large and …
Operational damage identification scheme utilizing de-noised frequency response functions and artificial neural network
A damage identification scheme combining impact-synchronous modal analysis (ISMA) and
artificial neural network is developed in this study. The ISMA de-noising method makes it …
artificial neural network is developed in this study. The ISMA de-noising method makes it …
Semi-automated impact device based on human behaviour recognition model for in-service modal analysis
Modal analysis is a reliable method for the study of structural behaviour. A novel modal
analysis technique called impact synchronous modal analysis (ISMA) was developed using …
analysis technique called impact synchronous modal analysis (ISMA) was developed using …
Implementation of phase controlled impact device for enhancement of frequency response function in operational modal testing
This paper studies how to enhance frequency response function (FRF) estimation in the
presence of harmonic disturbances during operational modal testing. A novel technique …
presence of harmonic disturbances during operational modal testing. A novel technique …
An inconsistent phase selection assessment for harmonic peaks elimination in operational modal testing
An improvement on modal analysis technique is always exacerbated by the limitation on
both operational modal analysis (OMA) and experimental modal analysis (EMA). In a recent …
both operational modal analysis (OMA) and experimental modal analysis (EMA). In a recent …
A performance study of controlled impact timing on harmonics reduction in operational modal testing
As an alternative to operational modal analysis and classical experimental modal analysis
(EMA), a novel method was introduced previously, namely impact-synchronous modal …
(EMA), a novel method was introduced previously, namely impact-synchronous modal …
Unsupervised damage identification scheme using PCA-reduced frequency response function and waveform chain code analysis
S Chen, ZC Ong, WH Lam, KS Lim… - International Journal of …, 2020 - World Scientific
Mechanical machines face structural damage problems during their service life. Structural
damage can severely affect safety and functionality of the structure and lead to economic …
damage can severely affect safety and functionality of the structure and lead to economic …
Enhancement of impact synchronous modal analysis with brain-computer interface
Abstract Novel Impact Synchronous Modal Analysis (ISMA) suffers from inefficient operation.
The Automated Phase Controlled Impact Device (APCID), a fully automated device, was …
The Automated Phase Controlled Impact Device (APCID), a fully automated device, was …