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2024
1 Lu, Biliang; Dibaj, Ali; Gao, Zhen; Rasekhi Nejad, Amir; Zhang, Yingjie.
A class-imbalance-aware domain adaptation framework for fault diagnosis of wind turbine drivetrains under different environmental conditions. Ocean Engineering 2024
NTNU Untitled
 
2 Siddiqui, Muhammad Omer; Nejad, Amir R.; Pedersen, Eilif.
Virtual Model Development of the Load Application System of a Wind Turbine Nacelle Test Bench for Hybrid Test Applications. Journal of Dynamic Systems Measurement, and Control 2024 ;Volum 146.(2) s. -
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2023
3 Bhaskaran, Saravanan; Verma, Amrit Shankar; Goupee, Andrew J.; Bhattacharya, Subhamoy; Nejad, Amir R.; Shi, Wei.
Comparison of Extreme Wind and Waves Using Different Statistical Methods in 40 Offshore Wind Energy Lease Areas Worldwide. Energies 2023 ;Volum 16.(19) s. -
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4 Krathe, Veronica Liverud; Jonkman, Jason M.; Gebel, Jakob Vincent; Rivera Arreba, Irene; Rasekhi Nejad, Amir; Bachynski-Polic, Erin Elizabeth.
Main bearing fatigue sensitivity to synthetic turbulence models. NAWEA/WindTech 2023; 2023-10-30 - 2023-11-01
OCEAN NTNU Untitled
 
5 Mehlan, Felix Christian; Keller, Jonathan; Nejad, Amir R..
Virtual sensing of wind turbine hub loads and drivetrain fatigue damage. Forschung im Ingenieurwesen 2023 ;Volum 87. s. 207-218
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6 Mehlan, Felix Christian; Nejad, Amir R..
Rotor imbalance detection and diagnosis in floating wind turbines by means of drivetrain condition monitoring. Renewable Energy 2023 ;Volum 212. s. 70-81
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7 Nejad, Amir R..
PREFACE. Journal of Physics: Conference Series (JPCS) 2023 ;Volum 2507.(1) s. -
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8 Purcell, Etienne; Nejad, Amir R.; Bekker, Anriëtte.
Detection of ice using ship propulsion and navigation measurements. Ocean Engineering 2023 ;Volum 273. s. -
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9 Rezaei, Ashkan; Guo, Yi; Keller, Jonathan; Nejad, Amir R..
Effects of wind field characteristics on pitch bearing reliability: a case study of 5 MW reference wind turbine at onshore and offshore sites. Forschung im Ingenieurwesen 2023 ;Volum 87. s. 321-338
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10 Rezaei, Ashkan; Nejad, Amir R..
Effect of wind speed distribution and site assessment on pitch bearing loads and life. Journal of Physics: Conference Series (JPCS) 2023 ;Volum 2507.
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11 Siddiqui, Muhammad Omer; Feja, Paul Robert; Borowski, Philipp; Kyling, Hans; Nejad, Amir R.; Wenske, Jan.
Wind turbine nacelle testing: State-of-the-art and development trends. Renewable and Sustainable Energy Reviews 2023 ;Volum 188. s. -
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12 Siddiqui, Muhammad Omer; Nejad, Amir R.; Wenske, Jan.
On a new methodology for testing full load responses of wind turbine drivetrains on a test bench. Forschung im Ingenieurwesen 2023 ;Volum 87. s. 173-184
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13 van Binsbergen, Diederik; Valavi, Mostafa; Nejad, Amir R.; Helsen, Jan.
Effect of generator torque ripple optimization on a geared wind turbine drivetrain. Forschung im Ingenieurwesen 2023 ;Volum 87. s. 197-205
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2022
14 Chabaud, Valentin Bruno; Khazaeli Moghadam, Farid; Nejad, Amir R..
Effect of tracking grid power command on drivetrain degradation – A multiscale farm control problem. EERA DeepWind'2022 conference; 2022-01-19 - 2022-01-21
ENERGISINT NTNU Untitled
 
15 Dibaj, Ali; Gao, Zhen; Nejad, Amir R..
Fault detection of offshore wind turbine drivetrains in different environmental conditions through optimal selection of vibration measurements. Renewable Energy 2022 ;Volum 203. s. 161-176
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16 Dibaj, Ali; Nejad, Amir R.; Gao, Zhen.
A data-driven approach for fault diagnosis of drivetrain system in a spar-type floating wind turbine based on the multi-point acceleration measurements. Journal of Physics: Conference Series (JPCS) 2022 ;Volum 2265. s. -
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17 Mehlan, Felix Christian; Nejad, Amir R.; Gao, Zhen.
Digital twin based virtual sensor for online fatigue damage monitoring in offshore wind turbine drivetrains. Journal of Offshore Mechanics and Arctic Engineering 2022 ;Volum 144.(6) s. -
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18 Mehlan, Felix Christian; Pedersen, Eilif; Nejad, Amir R..
Modelling of wind turbine gear stages for Digital Twin and real-time virtual sensing using bond graphs. Journal of Physics: Conference Series (JPCS) 2022 ;Volum 2265.(032065)
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19 Nejad, Amir R..
Preface. Journal of Physics: Conference Series (JPCS) 2022 ;Volum 2257.(1) s. -
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20 Nejad, Amir R.; Keller, Jonathan; Guo, Yi; Sheng, Shawn; Polinder, Henk; Watson, Simon; Dong, Jianning; Qin, Zian; Ebrahimi, Amir; Schelenz, Ralf; Guzmán, Francisco Gutiérrez; Cornel, Daniel; Golafshan, Reza; Jacob, Georg; Blockmans, Bart; Bosmans, Jelle; Pluymers, Bert; Carroll, James; Koukoura, Sofia; Hart, Edward; McDonald, Alasdair; Natarajan, Anand; Torsvik, Jone; Khazaeli Moghadam, Farid; Daems, Pieter-Jan; Verstraeten, Timothy; Peeters, Cédric; Helsen, Jan.
Wind turbine drivetrains: state-of-the-art technologies and future development trends. Wind Energy Science 2022 ;Volum 7. s. 387-411
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21 Tartt, Kelly Jane; Amiri, Abbas K.; Nejad, Amir R.; McDonald, A.; Carroll, J..
Development of a Vulnerability Map of Wind Turbine Power Converters. Journal of Physics: Conference Series (JPCS) 2022 ;Volum 2265. s. -
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22 van Binsbergen, Diederik; soares, marcelo nesci; Pedersen, Eilif; Nejad, Amir R..
A physics-, SCADA-based remaining useful life calculation approach for wind turbine drivetrains. Journal of Physics: Conference Series (JPCS) 2022 ;Volum 2265. s. -
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2021
23 Berge, Vegard; Helgesen, Christoffer Rene; Ivanov, Dimitar Zdravkov; Jahren, Marianne Helno; Opstad, Pauline Sundvor; Sletten, Petter Solem; Nejad, Amir R..
On State-of-the-Art and Alternative Energy-Efficient Lifting Technologies for Deep Sea Mining. I: ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering Volume 5: Ocean Space Utilization. The American Society of Mechanical Engineers (ASME) 2021 ISBN 978-0-7918-8515-4. s. -
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24 Ibrion, Mihaela; Nejad, Amir R..
On Building a Safe Ocean, The oceanscape and the necessity for developing an Ocean Culture. I: UN Decade of Ocean Science for Sustainable Development, SPECIAL ISSUE IN PARTNERSHIP WITH IOC-UNESCO. USA: Technology Systems Corporation 2021 ISBN 0000000000. s. 148-150
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25 Ibrion, Mihaela; Paltrinieri, Nicola; Nejad, Amir R..
Learning from failures in cruise ship industry: The blackout of Viking Sky in Hustadvika, Norway. Engineering Failure Analysis 2021 ;Volum 125. s. -
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26 Khazaeli Moghadam, Farid; Nejad, Amir R..
Consequences of unequal droop control on degradation of next generation grid-forming wind turbines. Wind Energy Science Conference 2021; 2021-05-25 - 2021-05-28
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27 Khazaeli Moghadam, Farid; Nejad, Amir R..
Online condition monitoring of floating wind turbines drivetrain by means of digital twin. Mechanical systems and signal processing 2021 ;Volum 162. s. -
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28 Khazaeli Moghadam, Farid; Nejad, Amir R..
Theoretical and experimental study of wind turbine drivetrain fault diagnosis by using torsional vibrations and modal estimation. Journal of Sound and Vibration 2021 ;Volum 509. s. -
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29 Khazaeli Moghadam, Farid.
Vibration-Based Condition Monitoring of Drivetrains in Large Offshore Wind Turbines in a Digital Twin Perspective. : Norwegian University of Science and Technology 2021 (ISBN 978-82-326-6674-4) 298 s.
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30 Khazaeli Moghadam, Farid; Rebouças, G. F. S.; Nejad, Amir R..
Digital twin modeling for predictive maintenance of gearboxes in floating offshore wind turbine drivetrains. Forschung im Ingenieurwesen 2021 ;Volum 85. s. 273-286
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31 Mehlan, Felix Christian; Nejad, Amir R.; Gao, Zhen.
Estimation of Wind Turbine Gearbox Loads for Online Fatigue Monitoring Using Inverse Methods. I: ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering. The American Society of Mechanical Engineers (ASME) 2021 ISBN 978-0-7918-8519-2. s. -
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32 Nejad, Amir R..
Viking Sky blackout highlights safety potential of digital twin. [Fagblad] 2021-06-01
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33 ; Breivik, Andreas.
Fault Detection and Diagnosis of Induction Motor for Ship Propulsion by utilizing Electrical Signature and Finite Element Method. Norges teknisk-naturvitenskapelige universitet 2021 107 s.
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34 Nejad, Amir R.; Ibrion, Mihaela.
A Need for Interdisciplinary Education in Ocean Fields. ECO Magazine [Fagblad] 2021-08-10
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35 Nejad, Amir R.; Purcell, Etienne; Mostafa, Valavi; Roman, Hudak; Benjamin, Lehmann; Francisco Gutiérrez, Guzmán; Felix, Behrendt; Angelo Mario, Bõhm; Franz, von Bock und Polach; Brendon M., Nickerson; Anriëtte, Bekker; Withold, Drazyk.
Condition Monitoring of Ship Propulsion Systems: State-of-the-Art, Development Trend and Role of Digital Twin. I: ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering Volume 7: Polar and Arctic Sciences and Technology. The American Society of Mechanical Engineers (ASME) 2021 ISBN 978-0-7918-8517-8. s. -
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36 Purcell, Etienne; Nejad, Amir R.; Valavi, Mostafa; Bekker, Anriëtte.
On Uncertainty Assessment of Fatigue Damage of Propulsion Shaft Under Ice Impact. I: ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering Volume 7: Polar and Arctic Sciences and Technology. The American Society of Mechanical Engineers (ASME) 2021 ISBN 978-0-7918-8517-8. s. -
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37 R. Nejad, Amir; Torsvik, Jone.
Drivetrains on floating offshore wind turbines: lessons learned over the last 10 years. Forschung im Ingenieurwesen 2021 ;Volum 85. s. 335-343
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38 Tartt, Kelly Jane; Nejad, Amir R.; Amiri, Abbas K.; McDonald, A..
On Lifetime Extension of Wind Turbine Drivetrains. I: ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering. The American Society of Mechanical Engineers (ASME) 2021 ISBN 978-0-7918-8519-2. s. -
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39 Torsvik, Jone; Nejad, Amir R.; Pedersen, Eilif.
Experimental field study of floater motion effects on a main bearing in a full-scale spar floating wind turbine. Marine Structures 2021 ;Volum 79. s. -
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40 van Binsbergen, Diederik; Nejad, Amir R.; Helsen, Jan.
Dynamic Model Development of Wind Turbine Drivetrains by Using Sensor Measurements. I: ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering. The American Society of Mechanical Engineers (ASME) 2021 ISBN 978-0-7918-8519-2. s. -
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41 Wang, Shuaishuai; Moan, Torgeir; Nejad, Amir R..
A comparative study of fully coupled and de-coupled methods on dynamic behaviour of floating wind turbine drivetrains. Renewable Energy 2021 ;Volum 179. s. 1618-1635
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42 Wang, Shuaishuai; Nejad, Amir R.; Moan, Torgeir.
Design and Dynamic Analysis of a Compact 10 MW Medium Speed Gearbox for Offshore Wind Turbines.. Journal of Offshore Mechanics and Arctic Engineering 2021 ;Volum 143.(3) s. -
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43 Wang, Shuaishuai; Rasekhi Nejad, Amir; Bachynski, Erin Elizabeth; Moan, Torgeir.
A comparative study on the dynamic behaviour of 10 MW conventional and compact gearboxes for offshore wind turbines. Wind Energy 2021 ;Volum 24.(7) s. 770-789
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2020
44 Cho, Seongpil; Bachynski, Erin Elizabeth; Rasekhi Nejad, Amir; Gao, Zhen; Moan, Torgeir.
Numerical modeling of the hydraulic blade pitch actuator in a spar‐type floating wind turbine considering fault conditions and their effects on global dynamic responses. Wind Energy 2020 ;Volum 23.(2) s. 370-390
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45 Dong, Wenbin; Rasekhi Nejad, Amir; Moan, Torgeir; Gao, Zhen.
Structural reliability analysis of contact fatigue design of gears in wind turbine drivetrains. Journal of Loss Prevention in the Process Industries 2020 ;Volum 65. s. -
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46 Ibrion, Mihaela; Paltrinieri, Nicola; Rasekhi Nejad, Amir.
Learning from failures: Accidents of marine structures on Norwegian continental shelf over 40 years time period. Engineering Failure Analysis 2020 ;Volum 111. s. -
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47 Ibrion, Mihaela; Paltrinieri, Nicola; Rasekhi Nejad, Amir.
Learning from non-failure of Onagawa nuclear power station: an accident investigation over its life cycle. Results in Engineering (RINENG) 2020 ;Volum 8. s. -
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48 Khazaeli Moghadam, Farid; Rasekhi Nejad, Amir.
Evaluation of PMSG-based drivetrain technologies for 10 MW floating offshore wind turbines: pros and cons in a life-cycle perspective. Wind Energy 2020 ;Volum 23.(7) s. 1542-1563
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49 Khazaeli Moghadam, Farid; Rasekhi Nejad, Amir.
Natural frequency estimation by using torsional response, and applications for wind turbine drivetrain fault diagnosis. Journal of Physics: Conference Series (JPCS) 2020 ;Volum 1618. s. -
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50 Lee, Chern Fong; Bachynski, Erin Elizabeth; Rasekhi Nejad, Amir.
Consequences of load mitigation control strategies for a floating wind turbine. Journal of Physics: Conference Series (JPCS) 2020 ;Volum 1669. s. -
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