Fotis KopsaftopoulosRensselaer Polytechnic Institute

Structural Health Monitoring 2017: Real-Time Material State Awareness and Data-Driven Safety Assurance

2017

F.-K. Chang and F. Kopsaftopoulos (Eds.), Two Volumes, 3338 pages, 978-1-60595-330-4, DEStech Publications Inc., 2017.

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Structural Health Monitoring 2015: System Reliability for Verification and Implementation

2015

F.-K. Chang and F. Kopsaftopoulos (Eds.), Two Volumes, 3220 pages, 978-1-60595-275-8, DEStech Publications Inc., 2015.

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Kopsaftopoulos F.P., Chang F.-K., “A Dynamic Data-driven Stochastic State-awareness Framework for the Next Generation of Bio-inspired Fly-by-feel Aerospace Vehicles”

2018

invited chapter, Handbook of Dynamic Data Driven Applications Systems, Erik Blasch, Sai Ravela and Alex Aved (Eds.), 2018. Hardcover ISBN: 978-3-319-95503-2, eBook ISBN: 978-3-319-95504-9.

http://dx.doi.org/10.1007/978-3-319-95504-9

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Wilson C., Lonkar K., Roy S., Kopsaftopoulos F., Chang F.-K., “Structural Health Monitoring of Composites”

2017

invited chapter, Comprehensive Composite Materials II, Carl H. Zweben and Peter W. R. Beaumont (Eds.), Volume 7, pp. 382-407, 2018. ISBN: 978-0-08-100534-7

http://dx.doi.org/10.1016/B978-0-12-803581-8.10039...

Fassois S.D. and Kopsaftopoulos F.P., “Statistical Time Series Methods for Vibration Based Structural Health Monitoring”

2013

invited chapter, New Trends in Structural Health Monitoring, W. Ostachowicz and A. Guemes (Eds.), pp. 209–264, Springer, 2013 (436 p. 284 illus.). ISBN: 978-3-7091-1389-9 (Print); 978-3-7091-1390-5 (Online).

http://dx.doi.org/10.1007/978-3-7091-1390-5

Ladpli P., Nardari R., Kopsaftopoulos F.P., Chang F.-K., “Multifunctional energy storage composite structures with embedded lithium-ion batteries”

2019

Journal of Power Sources, Vol. 414, pp. 517-529, 2019.

https://doi.org/10.1016/j.jpowsour.2018.12.051

Chen X., Kopsaftopoulos F.P., Wu Q., Ren H., Chang F.-K., “A self-adaptive 1D convolutional neural network for flight-state identification”

2019

Sensors, Vol. 19(2), 275, 2019.

https://doi.org/10.3390/s19020275

Chen X., Kopsaftopoulos F.P., Wu Q., Ren H., Chang F.-K., “Flight state identification of a self-sensing wing via an Improved feature selection method and machine learning approaches”

2018

Sensors, Vol. 8(5), pp. 1379, 2018.

Invited paper in the Special Issue Selected Papers from IWSHM 2017

http://www.mdpi.com/1424-8220/18/5/1379, https://doi.org/10.3390/s18051379

Ladpli P., Kopsaftopoulos F.P., Chang F.-K., “Estimating state of charge and health of lithium-ion batteries with guided waves using built-in piezoelectric sensors/actuators”

2018

Journal of Power Sources, Vol. 384, pp. 342-354, 2018.

https://doi.org/10.1016/j.jpowsour.2018.02.056

Kopsaftopoulos F.P., Nardari R., Li Y.-H., Chang F.-K., “A stochastic global identification framework for aerospace structures operating under varying flight states”

2018

Zhuang Y., Kopsaftopoulos F.P., Dugnani R., Chang F.-K., “Integrity monitoring of adhesively bonded joints via an electromechanical impedance-based approach”

2017

Structural Health Monitoring, Vol. 17(5), pp. 1031-1045, 2018.

http://doi.org/10.1177/1475921717732331

Salowitz N., Kim S.-J., Kopsaftopoulos F.P., Li Y.-H., Chang F.-K., “Design and analysis of radially polarized screen-printed piezoelectric transducers”

2017

Journal of Intelligent Material Systems and Structures, Vol. 28(7), pp. 934-946, 2017.

http://dx.doi.org/10.1177/1045389X16666177

Dugnani R., Zhuang Y., Kopsaftopoulos F.P., Chang F.-K., “Adhesive bond-line degradation detection via a cross-correlation electromechanical impedance-based approach”

2016

Structural Health Monitoring, Vol. 15(6), pp. 650-667, 2016.

http://dx.doi.org/10.1177/1475921716655498

Janapati V., Kopsaftopoulos F.P., Li F., Lee S.J., Chang F.-K., “Damage detection sensitivity characterization of acousto-ultrasound-based structural health monitoring techniques”

2016

Structural Health Monitoring, Vol. 15(2), pp. 143-161, 2016.

http://dx.doi.org/10.1177/1475921715627490

Sotiriou D., Kopsaftopoulos F.P. and Fassois S.D., “An adaptive time series probabilistic framework for 4D trajectory conformance monitoring”

2016

IEEE Transactions on Intelligent Transportation Systems, Vol. 17(6), pp. 1606-1616, 2016.

http://dx.doi.org/10.1109/TITS.2015.2511024

Dimogianopoulos D., Petratos V., Kopsaftopoulos F.P., and Fassois S.D., “A GPC-based auto-throttle with robust fuel-efficient operation in 4D flights”

2015

Aerospace Science and Technology, Vol. 40, pp. 128-137, 2015.

http://dx.doi.org/10.1016/j.ast.2014.11.002

Kopsaftopoulos F.P. and Fassois S.D., “A vibration model residual based sequential probability ratio test framework for structural health monitoring”

2015

Structural Health Monitoring, Vol. 14(4), pp. 359-381, 2015.

http://dx.doi.org/10.1177/1475921715580499

Salowitz N., Guo Z., Roy S., Nardari R., Li Y.-H., Kim S.-J., Kopsaftopoulos F.P., Chang F.-K., “Recent advancements and vision toward stretchable bio-inspired networks for intelligent structures”

2014

Structural Health Monitoring, Vol. 13(6), pp. 609-620, 2014.

http://dx.doi.org/10.1177/0725513614554076

Kopsaftopoulos F.P. and Fassois S.D., “A functional model based statistical time series method for vibration based damage detection, localization, and magnitude estimation”

2013

Mechanical Systems and Signal Processing, Vol. 39(1-2), pp. 143-161, 2013.

http://dx.doi.org/10.1016/j.ymssp.2012.08.023

Kopsaftopoulos F.P. and Fassois S.D., “Scalar and vector time series methods for vibration based damage diagnosis in a scale aircraft skeleton structure”

2011

invited paper, Journal of Theoretical and Applied Mechanics, Vol. 49(3), pp. 727-756, 2011.

http://www.ptmts.org.pl/2011-3-kopsaftopoulos-f.pd...

Kopsaftopoulos F.P. and Fassois S.D., “Vibration based health monitoring for a lightweight truss structure: experimental assessment of several statistical time series methods”

2010

Mechanical Systems and Signal Processing, Vol. 24(7), pp. 1977-1997, 2010.

http://dx.doi.org/10.1016/j.ymssp.2010.05.013

Kopsaftopoulos F.P. and Fassois S.D., “Vibration based structural damage detection and precise assessment via stochastic functionally pooled models”

2007

Key Engineering Materials, Vol. 347, pp. 127-132, 2007.

http://dx.doi.org/10.4028/www.scientific.net/KEM.347.127

Dutta A., McKay M., Kopsaftopoulos F.P., Gandhi F., “Fault detection and identification for multirotor aircraft by data-driven statistical learning methods”

2019

to appear at the AIAA/IEEE Electric Aircraft Technologies Symposium, Indianapolis, IN, USA, August 2019.

Dutta A., McKay M., Kopsaftopoulos F.P., Gandhi F., “Rotor fault detection and identification on a hexacopter based on statistical time series methods”

2019

in the Proceedings of the Vertical Flight Society 75th Annual Forum & Technology Display, Philadelphia, PA, USA, May 2019.

Amer A. and Kopsaftopoulos F.P., “Probabilistic active sensing acousto-ultrasound SHM based on non-parametric stochastic representations”

2019

in the Proceedings of the Vertical Flight Society 75th Annual Forum & Technology Display, Philadelphia, PA, USA, May 2019.

Ahmed S. and Kopsaftopoulos F.P., “Uncertainty quantification of guided waves propagation for active sensing structural health monitoring”

2019

in the Proceedings of the Vertical Flight Society 75th Annual Forum & Technology Display, Philadelphia, PA, USA, May 2019.

Blasch E., Ashdown J., Kopsaftopoulos F.P., Varela C., and Newkirk R., “Dynamic data driven analytics for multi-domain environments”

2019

Proc. SPIE 11006, Artificial Intelligence and Machine Learning for Multi-Domain Operations Applications, 1100604, Baltimore, MD, USA, April 2019.

https://doi.org/10.1117/12.2519210

Kopsaftopoulos F.P. and Chang F.-K., “Data-driven stochastic identification for fly-by-feel aerospace structures: Critical assessment of non-parametric and parametric approaches”

2019

AIAA SciTech Forum, San Diego, CA, January 2019.

https://doi.org/10.2514/6.2019-1534

Arumbakkam S., Brassard K., Casey P., Fahey L., et al. “Design of an intelligent self-aware solar-powered unmanned aerial vehicle: conventional and unconventional design approaches”

2019

AIAA SciTech Forum, San Diego, CA, January 2019.

https://doi.org/10.2514/6.2019-0316

Full list of authors: Shruti Arumbakkam, Kylie Brassard, Philip Casey, Liam Fahey, David Hoddinott, Tawhid Khan, Eric Liu, Zhengqiu Lou, Michael Moncton, Yacob Olins, Dice Saito, Siu Wong, Shiyan Yang, Peiyuan Zhou, and Fotis Kopsaftopoulos

Ladpli P., Liu C., Kopsaftopoulos F.P., Chang F.-K., “Estimating lithium-ion battery state of charge and health with ultrasonic guided waves using an efficient matching pursuit technique”

2018

in the Proceedings of the IEEE Transportation Electrification Conference & EXPO Asia-Pacific (ITEC Asia-Pacific 2018), Bangkok, Thailand, June 2018.

Kopsaftopoulos F.P. and Chang F.-K., “Self-sensing self-diagnostic structures for next generation intelligent aerospace systems”

2018

in the Proceedings of the AHS Airworthiness and HUMS Technical Meeting, Huntsville, Alabama, USA, February 21-22, 2018.

Chen X., Kopsaftopoulos F.P., Cao H., Chang F.-K., “Intelligent flight state identification of a self-sensing wing through neural network modeling”

2017

in the Proceedings of the 11th International Workshop on Structural Health Monitoring (IWSHM), Stanford University, USA, September 2017.

http://dx.doi.org/10.12783/shm2017/14033

Kopsaftopoulos F.P., Nardari R.,, Li Y.-H., Chang F.-K., “Data-driven state awareness for fly-by-feel aerial vehicles: Experimental assessment of a non-parametric probabilistic stall detection approach”

2017

in the Proceedings of the 11th International Workshop on Structural Health Monitoring (IWSHM), Stanford University, USA, September 2017.

http://dx.doi.org/10.12783/shm2017/14036

Wang Y., Bombik A., Ladpli P., Kopsaftopoulos F.P., Chang F.-K., “Numerical model for characterization of multifunctional energy storage composite cells, modules, and systems”

2017

in the Proceedings of the 11th International Workshop on Structural Health Monitoring (IWSHM), Stanford University, USA, September 2017.

http://dx.doi.org/10.12783/shm2017/14086

Ladpli P., Kopsaftopoulos F., Chang F.-K., "Battery state of charge estimation using guided waves – Numerical validation and statistical analysis"

2017

in the Proceedings of the 11th International Workshop on Structural Health Monitoring (IWSHM), Stanford University, USA, September 2017.

http://dx.doi.org/10.12783/shm2017/14066

Yadav S.K., Chung H., Kopsaftopoulos F.P., Chang F.-K., "Damage quantification of active-sensing acousto-ultrasound-based SHM based on a multi-path unit-cell approach"

2017

in the Proceedings of the 11th International Workshop on Structural Health Monitoring (IWSHM), Stanford University, USA, September 2017.

http://dx.doi.org/10.12783/shm2017/14218

Cao H., Tian Y., Tan X., Gao D., Kopsaftopoulos F.P., Chang F.-K., “Deformation data recovery based on compressed sensing in bridge structural health monitoring”

2017

in the Proceedings of the 11th International Workshop on Structural Health Monitoring (IWSHM), Stanford University, USA, September 2017.

http://dx.doi.org/10.12783/shm2017/13948

Ladpli P., Kopsaftopoulos F.P., Chang F.-K., “Novel guided-wave-based in-situ characterization technique for electrochemical and structural dynamics in lithium-ion batteries”

2017

to appear in the Proceedings of ASME's International Mechanical Engineering Congress and Exposition (IMECE), Tampa, FL, USA, November 2017.

Ladpli P., Kopsaftopoulos F.P., Nardari R., Chang F.-K., “Battery charge and health state monitoring via ultrasonic-guided-wave-based methods using built-in piezoelectric transducers”

2017

Proceedings of the SPIE 10171, Smart Materials and Nondestructive Evaluation for Energy Systems 2017, 1017108, Portland, OR, USA, March 2017.

http://dx.doi.org/10.1117/12.2260107

Zhuang Y., Kopsaftopoulos F.P., Chang F.-K., “Bondline degradation monitoring and remaining strength estimation via an electromechanical impedance-based method”

2016

Proceedings of the 1st International Workshop on Structural Health Monitoring for Railway System (IWSHM-RS), Qingdao, Shandong, China , October 2016.

http://www.dpi-proceedings.com/index.php/iwshm-rs2...

Kopsaftopoulos F.P., Nardari R., Chang F.-K., “A dynamic data-driven stochastic state-awareness framework for the next generation of bio-inspired fly-by-feel aerospace vehicles”

2016

Proceedings of the 1st International Conference on InfoSymbiotics / DDDAS (Dynamic Data Driven Applications Systems), Hartford, CT, August, 2016.

Ladpli P., Nardari R., Kopsaftopoulos F., Wang Y., Chang F.-K., "Design of multifunctional structural batteries with health monitoring capabilities"

2016

invited keynote paper, Proceedings of the 8th European Workshop on Structural Health Monitoring (EWSHM), Bilbao, Spain, July 2016.

Cot L.D., Gomez C., Gamboa F., Kopsaftopoulos F., Chang F.-K., "SHM-based fatigue damage prognostics in composite structures"

2016

Proceedings of the 8th European Workshop on Structural Health Monitoring (EWSHM), Bilbao, Spain, July 2016.

Kopsaftopoulos F.P., Nardari R., Li Y.-H., Chang F.-K., "Bio-inspired state sensing and awareness for morphing fly-by-feel UAVs"

2016

invited talk, CIMTEC 2016 – 7th Forum on New Materials: 5th International Conference Smart and Multifunctional Materials, Structures and Systems, Perugia, Italy, June 2016.

Ladpli P., Nardari R., Wang Y., Rewari R., Kuo H., Kopsaftopoulos F.P., Kepler K., Chang F.-K., “Multifunctional energy storage composites – Design, fabrication, and experimental characterization”

2016

Proceedings of the ASME 2016 Power and Energy Conference (PowerEnergy 2016), Charlotte, North Carolina, USA, June 2016.

Kopsaftopoulos F.P., Nardari R., Li Y.-H., Wang P., Chang F.-K., "Stochastic global identification of a bio-inspired self-sensing composite UAV wing via wind tunnel experiments"

2016

Proceedings of the SPIE 9805, Health Monitoring of Structural and Biological Systems 2016, 98051V, April 1, 2016.

http://dx.doi.org/10.1117/12.2219458

Yadav S.K., Janapati V., Kumar A., Kopsaftopoulos F., Chang F.-K., "An innovative unit-cell approach for quantification of damage with known locations using acousto-ultrasound-based SHM technique"

2016

Proceedings of the Aircraft Airworthiness & Sustainment Conference, Grapevine, TX, March 21-24, 2016.

http://www.meetingdata.utcdayton.com/agenda/airwor...

Zhuang Y., Li Y.-H., Kopsaftopoulos F.P., Chang F.-K., “A self-diagnostic adhesive for monitoring bonded joints in aerospace structures”

2016

Proceedings of the SPIE 9803, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2016, 98030I, April 2016.

http://dx.doi.org/10.1117/12.2219361

Zhuang Y., Kopsaftopoulos F.P., Chang F.-K., “A self-diagnostic adhesive for monitoring bonded joints in composite structures”

2015

Proceedings of the Composites and Advanced Materials Expo (CAMX), Dallas, TX, USA, October 2015.

Kopsaftopoulos F.P., Nardari R., Li Y.-H., Chang F.-K., “Experimental identification of structural dynamics and aeroelastic properties of a self-sensing smart composite wing”

2015

Proceedings of the 10th International Workshop on Structural Health Monitoring (IWSHM), Stanford University, USA, September 2015.

http://dx.doi.org/10.12783/SHM2015/163

Zhuang Y., Kopsaftopoulos F.P., Chang F.-K., “Bondline integrity monitoring of adhesively bonded structures via an electromechanical impedance based approach”

2015

Proceedings of the 10th International Workshop on Structural Health Monitoring (IWSHM), Stanford University, USA, September 2015.

http://dx.doi.org/10.12783/SHM2015/26

Ladpli P., Nardari R., Wang Y., Hernandez-Gallegos P., Rewari R., Kuo H., Kopsaftopoulos F.P., Kepler K., Lopez H.,Chang F.-K., “Multifunctional energy storage composites for SHM distributed sensor networks”

2015

Proceedings of the 10th International Workshop on Structural Health Monitoring (IWSHM), Stanford University, USA, September 2015.

http://dx.doi.org/10.12783/SHM2015/276

Hajrya R. Kopsaftopoulos F.P., Roy S., Ladpli P., Chang F.-K., “Decision making for reference-free damage detection”

2015

Proceedings of the 10th International Workshop on Structural Health Monitoring (IWSHM), Stanford University, USA, September 2015.

http://dx.doi.org/10.12783/SHM2015/367

Kopsaftopoulos F.P., Nardari R., Li Y.-H., Chang F.-K., “A composite intelligent wing with state sensing and awareness capabilities”

2015

20th International Conference on Composite Materials (ICCM), Copenhagen, Denmark, July 2015.

Kopsaftopoulos F.P., Nardari R., Li Y.-H., Chang F.-K., “State sensing and awareness for the next generation of autonomous fly-by-feel UAVs”

2015

Janapati V., Kopsaftopoulos F.P., Lee S.J., Chang F.-K., “Model-assisted structural health monitoring system reliability quantification”

2015

Salowitz N., Guo Z., Roy S., Nardari R., Li Y.-H., Kim S.-J., Kopsaftopoulos F.P., Chang F.-K., “A vision on stretchable bio-inspired networks for intelligent structures”

2013

invited keynote paper, Proceedings of the 9th International Workshop on Structural Health Monitoring (IWSHM), Stanford University, USA, September 2013.

Janapati V., Kopsaftopoulos F.P., Roy S., Mueller I., Lee S.-J., Ladpli P., Chang F.-K., “Sensor network configuration effect on detection sensitivity of an acousto-ultrasound-based active SHM system”

2013

Proceedings of the 9th International Workshop on Structural Health Monitoring (IWSHM), Stanford University, USA, September 2013.

Kopsaftopoulos F.P. and Fassois S.D., “A sequential statistical time series framework for vibration based structural health monitoring”

2013

Proceedings of the 9th International Workshop on Structural Health Monitoring (IWSHM), Stanford University, USA, September 2013.

Kopsaftopoulos F.P. and Fassois S.D., “An adaptive time series framework for aircraft 4D trajectory conformance monitoring”

2013

Proceedings of the European Control Conference (ECC), Zurich, Switzerland, July 2013.

Petratos V., Dimogianopoulos D., Kopsaftopoulos F.P., and Fassois S.D., “A novel robust MPC based aircraft auto-throttle for performing 4D contract flights”

2013

Proceedings of the Asian Control Conference (ASCC), Istanbul, Turkey, June 2013.

Kopsaftopoulos F.P., Vamvoudakis-Stefanou K., and Fassois S.D., “A model residual based sequential probability ratio test framework for structural damage diagnosis”

2013

Proceedings of 5th International Operational Modal Analysis Conference (IOMAC), Guimaraes, Portugal, May 2013.

Kopsaftopoulos F.P. and Fassois S.D., “Vector-dependent Functionally Pooled ARX Models for the identification of systems under multiple operating conditions”

2012

IFAC Proceedings Volumes, Vol. 45(16), pp. 310-315, 2012.

http://dx.doi.org/10.3182/20120711-3-BE-2027.00261

Kopsaftopoulos F.P. and Fassois S.D., “Statistical time series methods for damage diagnosis in a scale aircraft skeleton structure: loosened bolts damage scenarios”

2011

Journal of Physics: Conference Series 305 (2011) 012056, Proceedings of the 9th International Conference on Damage Assessment of Structures (DAMAS), St. Anne’s College, Oxford, U.K., July 2011.

http://dx.doi.org/10.1088/1742-6596/305/1/012056

Kopsaftopoulos F.P., Apostolellis P.G., and Fassois S.D., “Output-only parametric identification of a scale cable-stayed bridge structure: A comparison of vector AR and state space methods”

2011

Proceedings of the 4th International Operational Modal Analysis Conference (IOMAC), Istanbul, Turkey, May 2011.

Kopsaftopoulos F.P. and Fassois S.D., “Vibration based health monitoring for a lightweight truss structure: experimental assessment of several statistical time series methods”

2010

Kopsaftopoulos F.P. and Fassois S.D., “Vibration based health monitoring for a thin aluminum plate – A comparative assessment of several statistical time series methods”

2010

Proceedings of the 5th European Workshop on Structural Health Monitoring (EWSHM), Sorrento, Italy, July 2010.

Kopsaftopoulos F.P., Magripis S.G., Amplianitis A.D., and Fassois S.D., “Scalar and vector time series methods for vibration based damage diagnosis in an aircraft scale skeleton structure”

2010

Proceedings of the ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis (ESDA), Istanbul, Turkey, July 2010.

Kopsaftopoulos F.P. and Fassois S.D., “Experimental assessment of vibration-based time series methods for structural health monitoring”

2008

Proceedings of the 4th European Workshop on Structural Health Monitoring (EWSHM), Cracow, Poland, 2008.

Kopsaftopoulos F.P. and Fassois S.D., “Vibration based structural damage detection and precise assessment via stochastic functionally pooled models”

2007

Kopsaftopoulos F.P. and Fassois S.D., “Vibration-based fault detection and assessment in a scale aircraft structure via stochastic VFP-ARX models”

2006

Proceedings of 3rd European Workshop on Structural Health Monitoring (EWSHM), Granada, Spain, 2006.

Kopsaftopoulos F.P. and Fassois S.D., “Identification of stochastic systems under multiple operating conditions: the Vector-dependent FP-ARX parametrization”

2006

Proceedings of the 14th Mediterranean Conference on Control and Automation (MCCA), Ancona, Italy, 2006.

http://doi.ieeecomputersociety.org/10.1109/MED.2006.328813

Kopsaftopoulos F.P. and Fassois S.D, “Identification of stochastic systems under varying operating conditions: The Vector-dependent Functionally Pooled (VFP) parametrization”

2016

journal version under preparation

Kopsaftopoulos F.P., Zhuang Y., Dugnani R., Chang F.-K., “An adaptive probabilistic framework for integrity monitoring of adhesively bonded aerospace structures”

2016

journal article under preparation

Advanced Functional and Sequential Statistical Time Series Methods for Damage Diagnosis in Mechanical Structures

2012

Ph.D. Thesis submitted to the Department of Mechanical Engineering & Aeronautics, University of Patras, Greece, January 2012.

Advisor: Prof. Spilios Fassois, co-Advisor: Prof. Dimitrios Saravanos, co-Advisor: Prof. Evangelos Dermatas

Parametric Identification of a Scale Aircraft Skeleton Structure via Stochastic Multivariate ARX and ARMAX Models

2004

M.Sc. Thesis, Department of Mechanical Engineering & Aeronautics, University of Patras, Greece, June 2004.

Advisor: Prof. Spilios Fassois

Experimental Identification of a Scale Aircraft Skeleton Structure via a Force Appropriation Method

2003

B.Sc. Thesis, Department of Mechanical Engineering & Aeronautics, University of Patras, Greece, June 2003.

Advisor: Prof. Spilios Fassois