Condition monitoring and fault detection in wind turbines based on cointegration analysis of SCADA data

PB Dao, WJ Staszewski, T Barszcz, T Uhl - Renewable Energy, 2018 - Elsevier
This paper presents a new methodology–based on cointegration analysis of Supervisory
Control And Data Acquisition (SCADA) data–for condition monitoring and fault diagnosis of …

Structural health monitoring under environmental and operational variations using MCD prediction error

M Mousavi, AH Gandomi - Journal of Sound and Vibration, 2021 - Elsevier
This paper proposes a novel technique that aims at detecting the effect of damage on
structural frequency signals as “bad” outliers. To this end, a procedure is developed based …

Johansen cointegration of frequency response functions contaminated with nonstationary colored noise for structural damage detection

S Hassani, M Mousavi, U Dackermann - Journal of Sound and Vibration, 2023 - Elsevier
This study proposes an effective damage detection method for laminated composite
structures under the influence of nonstationary colored noise using condensed Frequency …

A nonlinear ultrasonic method for real-time bolt looseness monitoring using PZT transducer–enabled vibro-acoustic modulation

N Zhao, L Huo, G Song - Journal of Intelligent Material …, 2020 - journals.sagepub.com
A real-time nonlinear ultrasonic method based on vibro-acoustic modulation is applied to
monitor early bolt looseness quantitatively by using piezoceramic transducers. In addition to …

Prediction error of Johansen cointegration residuals for structural health monitoring

M Mousavi, AH Gandomi - Mechanical Systems and Signal Processing, 2021 - Elsevier
A novel method for structural health monitoring under environmental and operational
variations (EOV) is proposed based on the prediction errors of the Johansen cointegartion …

Ice monitoring of a full‐scale wind turbine blade using ultrasonic guided waves under varying temperature conditions

P Wang, W Zhou, Y Bao, H Li - Structural control and health …, 2018 - Wiley Online Library
The icing of wind turbine blades is a common problem in cold climate area. Ice accretion on
wind turbines, particularly turbine blades, can cause a variety of problems. The extreme …

Cointegration and how it works for structural health monitoring

PB Dao, WJ Staszewski - Measurement, 2023 - Elsevier
Cointegration theory has been effectively applied to SHM. However, there is no work that
has focused on explaining specifically how cointegration can be applied to SHM problems …

[HTML][HTML] Enhanced damage detection for noisy input signals using improved reptile search algorithm and data analytics techniques

S Hassani, U Dackermann, M Mousavi, J Li - Computers & Structures, 2024 - Elsevier
The sensitivity of structural health monitoring systems to environmental and operational
conditions poses a significant challenge due to their inherent susceptibility to outliers. This …

Monitoring onsite‐temperature prediction error for condition monitoring of civil infrastructures

M Mousavi, AH Gandomi… - Structural Control and …, 2022 - Wiley Online Library
An inverse input–output method is proposed for long‐term condition monitoring of civil
infrastructures through monitoring the prediction error of air temperature recorded at the site …

Vibration acoustic modulation for bolt looseness monitoring based on frequency-swept excitation and bispectrum

N Zhao, H Linsheng, G Song - Smart Materials and Structures, 2023 - iopscience.iop.org
The monitoring of bolt looseness is crucial to ensure the safety and reliability of structures.
Prior studies have demonstrated that the vibro-acoustic modulation (VAM) method based on …