Smart Monitoring, Inspection and Life-Cycle Assessment of Wind Turbines

A method to reduce model uncertainty by fusing the output from multiple stochastic simulators

Autori: Imad Abdallah, Konstantinos Tatsis, Charilaos Mylonas, Vasilis Ntertimanis, Eleni Chatzi
Pubblicato in: Journal of Physics: Conference Series, Numero 1618, 2020, Pagina/e 042019, ISSN 1742-6588
Editore: Institute of Physics
DOI: 10.1088/1742-6596/1618/4/042019

Conditional variational autoencoders for probabilistic wind turbine blade fatigue estimation using Supervisory, Control, and Data Acquisition data

Autori: Charilaos Mylonas, Imad Abdallah, Eleni Chatzi
Pubblicato in: Wind Energy, Numero 24/10, 2021, Pagina/e 1122-1139, ISSN 1095-4244
Editore: John Wiley & Sons Inc.
DOI: 10.1002/we.2621

Structural identification with physics-informed neural ordinary differential equations

Autori: Zhilu Lai, Charilaos Mylonas, Satish Nagarajaiah, Eleni Chatzi
Pubblicato in: Journal of Sound and Vibration, Numero 508, 2021, Pagina/e 116196, ISSN 0022-460X
Editore: Academic Press
DOI: 10.1016/j.jsv.2021.116196

Unsupervised local cluster-weighted bootstrap aggregating the output from multiple stochastic simulators

Autori: Imad Abdallah, Konstantinos Tatsis, Eleni Chatzi
Pubblicato in: Reliability Engineering & System Safety, Numero 199, 2020, Pagina/e 106876, ISSN 0951-8320
Editore: Elsevier BV
DOI: 10.1016/j.ress.2020.106876

Vibration‐based monitoring of a small‐scale wind turbine blade under varying climate conditions. Part I: An experimental benchmark

Autori: Yaowen Ou, Konstantinos E. Tatsis, Vasilis K. Dertimanis, Minas D. Spiridonakos, Eleni N. Chatzi
Pubblicato in: Structural Control and Health Monitoring, Numero 28/6, 2021, ISSN 1545-2255
Editore: John Wiley & Sons Inc.
DOI: 10.1002/stc.2660

GP-ARX-Based Structural Damage Detection and Localization under Varying Environmental Conditions

Autori: Konstantinos Tatsis; Vasilis K. Dertimanis; Yaowen Ou; Eleni Chatzi
Pubblicato in: Journal of Sensor and Actuator Networks, 9 (3), Numero 2, 2020, ISSN 2224-2708
Editore: MDPI
DOI: 10.3929/ethz-b-000445427

Vibration‐based monitoring of a small‐scale wind turbine blade under varying climate and operational conditions. Part II: A numerical benchmark

Autori: Konstantinos Tatsis; Yaowen Ou; Vasilis K. Dertimanis; Minas D. Spiridonakos; Eleni N. Chatzi
Pubblicato in: Structural Control and Health Monitoring, 28 (6), Numero 1, 2021, ISSN 1545-2255
Editore: John Wiley & Sons Inc.
DOI: 10.3929/ethz-b-000482924

Fatigue assessment of a wind turbine blade when output from multiple aero-elastic simulators are available

Autori: Imad Abdallah, Konstantinos Tatsis, Eleni Chatzi
Pubblicato in: Procedia Engineering, Numero 199, 2017, Pagina/e 3170-3175, ISSN 1877-7058
Editore: Elsevier
DOI: 10.1016/j.proeng.2017.09.509

Cost–benefit optimization of structural health monitoring sensor networks

Autori: Capellari, Giovanni; Chatzi, Eleni; id_orcid0000-0002-6870-240X; Mariani, Stefano
Pubblicato in: Sensors (Basel), Numero Volume 18, Numero 7, JulPMC6068495, 2018, ISSN 1424-8220
Editore: Multidisciplinary Digital Publishing Institute (MDPI)
DOI: 10.3929/ethz-b-000278733

A substructure approach for fatigue assessment on wind turbine support structures using output-only measurements

Autori: Konstantinos Tatsis, Vasilis Dertimanis, Imad Abdallah, Eleni Chatzi
Pubblicato in: Procedia Engineering, Numero 199, 2017, Pagina/e 1044-1049, ISSN 1877-7058
Editore: Elsevier
DOI: 10.1016/j.proeng.2017.09.285

A Data-Driven Diagnostic Framework for Wind Turbine Structures: A Holistic Approach

Autori: Simona Bogoevska, Minas Spiridonakos, Eleni Chatzi, Elena Dumova-Jovanoska, Rudiger Höffer
Pubblicato in: Sensors, Numero 17/4, 2017, Pagina/e 720, ISSN 1424-8220
Editore: Multidisciplinary Digital Publishing Institute (MDPI)
DOI: 10.3390/s17040720

A modal derivatives enhanced Rubin substructuring method for geometrically nonlinear multibody systems

Autori: Long Wu, Paolo Tiso, Konstantinos Tatsis, Eleni Chatzi, Fred van Keulen
Pubblicato in: Multibody System Dynamics, Numero 45/1, 2019, Pagina/e 57-85, ISSN 1384-5640
Editore: Kluwer Academic Publishers
DOI: 10.1007/s11044-018-09644-2

A centrifuge-based experimental verification of Soil-Structure Interaction effects

Autori: Panagiotis Martakis, Damoun Taeseri, Eleni Chatzi, Jan Laue
Pubblicato in: Soil Dynamics and Earthquake Engineering, Numero 103, 2017, Pagina/e 1-14, ISSN 0267-7261
Editore: Pergamon Press Ltd.
DOI: 10.1016/j.soildyn.2017.09.005

Gaussian Process Time-Series Models for Structures under Operational Variability

Autori: Luis David Avendaño-Valencia, Eleni N. Chatzi, Ki Young Koo, James M. W. Brownjohn
Pubblicato in: Frontiers in Built Environment, Numero 3, 2017, ISSN 2297-3362
Editore: Frontiers
DOI: 10.3389/fbuil.2017.00069

Foundations of population-based SHM, Part IV: The geometry of spaces of structures and their feature spaces

Autori: G. Tsialiamanis, C. Mylonas, E. Chatzi, N. Dervilis, D.J. Wagg, K. Worden
Pubblicato in: Mechanical Systems and Signal Processing, Numero 157, 2021, Pagina/e 107692, ISSN 0888-3270
Editore: Academic Press
DOI: 10.1016/j.ymssp.2021.107692

A Novel Approach for 3D-Structural Identification through Video Recording: Magnified Tracking

Autori: Eleni Chatzi; Utku Gülan; Yunus Emre Harmanci; Markus Holzner
Pubblicato in: Sensors, Numero 19(5), 2019, Pagina/e 1229, ISSN 1424-8220
Editore: Multidisciplinary Digital Publishing Institute (MDPI)
DOI: 10.3390/s19051229

A Monitoring Approach to Smart Infrastructure Management

Autori: Eleni Chatzi
Pubblicato in: Proceedings 2017, Numero 1(8), 2017, Pagina/e 755, ISSN 2504-3900
Editore: MDPI
DOI: 10.3390/proceedings1080755

Virtual fatigue diagnostics of wake-affected wind turbine via Gaussian Process Regression

Autori: Luis David Avendaño-Valencia, Imad Abdallah, Eleni Chatzi
Pubblicato in: Renewable Energy, Numero 170, 2021, Pagina/e 539-561, ISSN 0960-1481
Editore: Pergamon Press Ltd.
DOI: 10.1016/j.renene.2021.02.003

Parametric reduced order models for output-only vibration-based crack detection in shell structures

Autori: Agathos, Konstantinos; Tatsis, Konstantinos E.; Vlachas, Konstantinos; id_orcid0000-0002-9124-219X; Chatzi, Eleni; id_orcid0000-0002-6870-240X
Pubblicato in: Mechanical Systems and Signal Processing, 162, Numero 1, 2022, ISSN 0888-3270
Editore: Academic Press
DOI: 10.3929/ethz-b-000490964

A local basis approximation approach for nonlinear parametric model order reduction

Autori: Vlachas, Konstantinos; Tatsis, Konstantinos; Agathos, Konstantinos; Brink, Adam R.; Chatzi, Eleni
Pubblicato in: arXiv, Numero 1, 2020, Pagina/e 2003.07716, ISSN 2331-8422
Editore: Cornell University
DOI: 10.3929/ethz-b-000442910

Multivariate GP-VAR models for robust structural identification under operational variability

Autori: Luis David Avendaño-Valencia; Eleni Chatzi
Pubblicato in: Probabilistic Engineering Mechanics, Numero 1, 2020, ISSN 0266-8920
Editore: Elsevier BV
DOI: 10.1016/j.probengmech.2020.103035

Full-field structural monitoring using event cameras and physics-informed sparse identification

Autori: Zhilu Lai, Ignacio Alzugaray, Margarita Chli, Eleni Chatzi
Pubblicato in: Mechanical Systems and Signal Processing, Numero 145, 2020, Pagina/e 106905, ISSN 0888-3270
Editore: Academic Press
DOI: 10.1016/j.ymssp.2020.106905

Virtual loads predictions of wake-affected wind turbines: Gaussian process regression and deep neural networks

Autori: Avendaño-Valencia, Luis David; Abdallah, Imad; Venu, Anish; Chatzi, Eleni
Pubblicato in: Numero 1, 2019
Editore: Zenodo
DOI: 10.5281/zenodo.4896835

Probabilistic fault diagnostics using ensemble time-varying decision tree learning

Autori: Abdallah, Imad Chatzi
Pubblicato in: Numero 1, 2019
Editore: Zenodo
DOI: 10.5281/zenodo.3474632

An ensemble learning approach to aggregate the output from multiple simulators and measurements

Autori: Abdallah, Imad; id_orcid0000-0001-8678-0965; Chatzi, Eleni; id_orcid0000-0002-6870-240X
Pubblicato in: Reliability and Optimization of Structural Systems: Proceedings of the 19th IFIP WG-7.5 conference on Reliability and Optimization of Structural Systems, Numero 1, 2018
Editore: ETH Zurich
DOI: 10.3929/ethz-b-000313985

An ensemble learning approach to aggregate the output from multiple simulators and measurements

Autori: Imad Abdallah, Eleni Chatzi
Pubblicato in: 19th working conference of the IFIP Working Group 7.5 on Reliability and Optimization of Structural Systems (IFIP 2018), ETH Zurich (Switzerland), June 26-29, 2018., 2018
Editore: ETH Zurich
DOI: 10.13140/RG.2.2.10591.10405

On the differences in the dynamic response of up-wind and waked wind turbines: Analysis via surrogate Gaussian Process time-series models

Autori: Luis David Avendaño-Valencia, Imad Abdallah, Eleni Chatzi
Pubblicato in: Proceedings of the joint ICVRAM ISUMA UNCERTAINTIES conference, Florianopolis, SC, Brazil, April 8-11, 2018, 2018
Editore: University of São Paulo

An Integrated Approach for Smart Monitoring, Inspection and Life-Cycle Assessment of Wind Turbines

Autori: Imad Abdallah, Eleni Chatzi, Braulio Barahona Garzón
Pubblicato in: Proceedings WINERCOST'17. International Conference on Wind Energy Harvesting, April 20-21, 2017, University of Coimbra, 2017, Pagina/e 144-148
Editore: WINERCOST

An autonomous real-time decision tree framework for monitoring & diagnostics on wind turbines

Autori: Imad Abdallah, Vasilis Dertimanis, Eleni Chatzi
Pubblicato in: 2nd International Conference on Wind Energy Harvesting (WINERCOST’18)At: Catanzaro, Italy, 2018
Editore: WINERCOST

State estimation of geometrically non-linear systems using reduced-order models

Autori: Konstantinos Tatsis, Long Wu, Paolo Tiso, Eleni Chatzi
Pubblicato in: 6th International Symposium on Life-Cycle Civil Engineering (IALCCE 2018), Ghent, Belgium, 2018
Editore: International Association of Life-Cycle Civil Engineering (IALCCE)

Fatigue stress estimation of offshore wind turbine using a Kalman filter in combination with accelerometers

Autori: N. Noppe, K. Tatsis, E.N. Chatzi, C. Devriendt, W. Weijtjens
Pubblicato in: 28th International Conference on Noise and Vibration engineering (ISMA2018), Leuven, Belgium, 2018
Editore: KU Leuven

RELIABILITY PREDICTION OF FATIGUE DAMAGE ACCUMULATION ON WIND TURBINES SUPPORT STRUCTURES

Autori: Konstantinos Tatsis, Eleni Chatzi, Eliz-Mari Lourens
Pubblicato in: Proceedings of the 2nd International Conference on Uncertainty Quantification in Computational Sciences and Engineering (UNCECOMP 2017), 2017, Pagina/e 76-89, ISBN 978-618-82844-4-9
Editore: Institute of Structural Analysis and Antiseismic Research School of Civil Engineering National Technical University of Athens (NTUA) Greece
DOI: 10.7712/120217.5353.17130

Gaussian Process Vector AR surrogates for identification of structures under varying operational conditions

Autori: Luis David Avendaño-Valencia, Konstantinos Tatsis, Eleni Chatzi
Pubblicato in: 8th Conference on Computational Stochastic Mechanics (CSM8), Paros, Greece, 2018
Editore: International Association for Structural Safety & Reliability (IASSAR)

Modal-based damage localization on wind turbine blades under environmental variability

Autori: Konstantinos Tatsis, Vasilis Dertimanis, Eleni Chatzi
Pubblicato in: Proceedings of the 9th European Workshop on Structural Health Monitoring Series (EWSHM 2018), 2018
Editore: The British Institute of Non-Destructive Testing

On damage localization in wind turbine blades: a critical comparison and assessment of modal-based criteria

Autori: Konstantinos Tatsis, Vasilis Dertimanis, Eleni Chatzi
Pubblicato in: Proceedings of the 7th World Conference on Structural Control and Monitoring (WCSCM), 2018
Editore: International Association for Structural Control and Monitoring (IACSM)

MUTLISCALE SURROGATE MODELING AND UNCERTAINTY QUANTIFICATION FOR PERIODIC COMPOSITE STRUCTURES

Autori: Charilaos Mylonas, Bemetz Valentin, Eleni Chatzi
Pubblicato in: Proceedings of the 2nd International Conference on Uncertainty Quantification in Computational Sciences and Engineering (UNCECOMP 2017), 2017, Pagina/e 406-418, ISBN 978-618-82844-4-9
Editore: Institute of Structural Analysis and Antiseismic Research School of Civil Engineering National Technical University of Athens (NTUA) Greece
DOI: 10.7712/120217.5379.16904

Deep Unsupervised Learning For Condition Monitoring and Prediction of High Dimensional Data with Application on Windfarm SCADA Data

Autori: Charilaos Mylonas, Imad Abdallah, Eleni Chatzi
Pubblicato in: Proceedings of IMAC-XXXVII, A Conference and Exposition on Structural Dynamics, 2018
Editore: Society for Experimental Mechanics (SEM)

Surrogate Modelling For Fatigue Damage of Wind-Turbine Blades Using Polynomial Chaos Expansions and Non-Negative Matrix Factorization

Autori: Charilaos Mylonas, Imad Abdallah, Eleni Chatzi
Pubblicato in: IABSE Symposium, Vancouver 2017: Engineering the Future, 2017, Pagina/e 809-816, ISBN 978-1-5108-6424-5
Editore: International Association for Bridge and Structural Engineering (IABSE)
DOI: 10.2749/vancouver.2017.0809

Applying design knowledge and machine learning to scada data for classification of wind turbine operating regimes

Autori: Braulio Barahona, Cyprien Hoelzl, Eleni Chatzi
Pubblicato in: 2017 IEEE Symposium Series on Computational Intelligence (SSCI), 2017, Pagina/e 1-8, ISBN 978-1-5386-2726-6
Editore: IEEE
DOI: 10.1109/ssci.2017.8280947

Operational regime clustering for the construction of PCE-based surrogates of operational wind turbines

Autori: L.D. Avendano-Valencia, Braulio Barahona, Cyprien Hoelzl, Eleni Chatzi
Pubblicato in: 7th International Conference on Advances in Experimental Structural Engineering, 2017
Editore: EUCENTRE Foundation

Wake Effects when Estimating Residual Life of Wind Turbine Support Structures

Autori: Braulio Barahona Garzón, Eleni Chatzi
Pubblicato in: Proceedings of the IMAC-XXXV Conference and Exposition on Structural Dynamics, 2017
Editore: Society for Experimental Mechanics (SEM)
DOI: 10.3929/ethz-b-000126765

Experimental damage detection of a wind turbine blade under varying operational conditions

Autori: Yaowen Ou, Vasilis Dertimanis, Eleni Chatzi
Pubblicato in: Proceedings of the Biennial ISMA Conference on Noise and Vibration Engineering, ISMA 2016 and 6th International Conference on Uncertainty in Structural Dynamics, USD 2016 : ISMA2016 & USD 2016 conferences, 2016, Pagina/e 4183 - 4197
Editore: KU Leuven

Output-Only state estimation of geometrically non-linear systems using reduced-order models

Autori: Konstantinos Tatsis, Long Wu, Paolo Tiso, Eleni Chatzi
Pubblicato in: Student paper Competition of the Structural Health Monitoring and Control Committee, EMI 2018 conference, May 29-June 1st 2018, 2018
Editore: Engineering Mechanics Institute (EMI) of the ASCE

DeepFarm: Deep Generative Modelling for Wind Farms

Autori: Mylonas, Charilaos; Abdallah, Imad; id_orcid0000-0001-8678-0965; Chatzi, Eleni; id_orcid0000-0002-6870-240X
Pubblicato in: 10th SIAM Gene Golub Summerschool on High Performance Data Analytics, Numero 1, 2019
Editore: SIAM
DOI: 10.13140/rg.2.2.22360.24322

A physics-based, local POD basis approach for multi-parametric reduced order models

Autori: Vlachas, Konstantinos; id_orcid0000-0002-9124-219X; Tatsis, Konstantinos E.; Agathos, Konstantinos; Brink, Adam R.; Chatzi, Eleni; id_orcid0000-0002-6870-240X
Pubblicato in: International Conference on Noise and Vibration Engineering (ISMA 2020) and International Conference on Uncertainty in Structural Dynamics (USD 2020), Numero 1, 2020
Editore: KU Leuven
DOI: 10.3929/ethz-b-000442909

Data–Driven Remaining Useful Life Prediction for Anchor Fatigue

Autori: Mylonas, Charilaos; Abdallah, Imad; Vieira, Debora; Moisi, Kleidi; Zientek, Michal; Chatzi, Eleni; id_orcid0000-0002-6870-240X
Pubblicato in: 38th IMAC Conference and Exposition on Structural Dynamics: It's Not Just Modal Anymore (IMAC 2020), Houston, TX, USA, February 10-13, 2020, Numero 1, 2020
Editore: Society for Experimental Mechanics
DOI: 10.3929/ethz-b-000404307

Unsupervised local cluster-weighted Bagging the output from multiple stochastic simulators

Autori: Abdallah, Imad
Pubblicato in: Numero 1, 2019
Editore: Zenodo
DOI: 10.5281/zenodo.3477551

WINDMIL-RTDT ERC Proof of Concept

Autori: Abdallah, Imad; id_orcid0000-0001-8678-0965; Qu, Hujun; Mylonas, Charilaos; Chatzi, Eleni; id_orcid0000-0002-6870-240X
Pubblicato in: ETHZ Report, Numero 1, 2020
Editore: ETH Zurich
DOI: 10.3929/ethz-b-000437457

Adaptive Process and Measurement Noise Identification for Recursive Bayesian Estimation

Autori: Konstantinos E. Tatsis, Vasilis K. Dertimanis, Eleni N. Chatzi
Pubblicato in: Model Validation and Uncertainty Quantification, Volume 3 - Proceedings of the 38th IMAC, A Conference and Exposition on Structural Dynamics 2020, 2020, Pagina/e 361-364, ISBN 978-3-030-48778-2
Editore: Springer International Publishing
DOI: 10.1007/978-3-030-47638-0_39

Fault diagnosis of wind turbine structures using decision tree learning algorithms with big data

Autori: I. Abdallah, V. Dertimanis, H. Mylonas, K. Tatsis, E. Chatzi, N. Dervili, K. Worden, E. Maguire
Pubblicato in: Safety and Reliability – Safe Societies in a Changing World, 2018, Pagina/e 3053-3061, ISBN 9781351174664
Editore: CRC Press
DOI: 10.1201/9781351174664-382

Operational Damage Localization of Wind Turbine Blades

Autori: Yaowen W. Ou, Vasilis K. Dertimanis, Eleni N. Chatzi
Pubblicato in: Experimental Vibration Analysis for Civil Structures, Numero 5, 2018, Pagina/e 261-272, ISBN 978-3-319-67442-1
Editore: Springer International Publishing
DOI: 10.1007/978-3-319-67443-8_22

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