Zhengru Ren
Bakgrunn og aktiviteter
Vitenskapelig, faglig og kunstnerisk arbeid
Viser et utvalg av aktivitet. Se alle publikasjoner i databasen
2021
- (2021) Onboard tuning of vessel seakeeping model parameters and sea state characteristics. Marine Structures. vol. 78.
- (2021) Sea state estimation based on vessel motion responses: Improved smoothness and robustness using Bezier surface and L1 optimization. Marine Structures. vol. 76.
- (2021) Active heave compensation of floating wind turbine installation using a catamaran construction vessel. Marine Structures. vol. 75.
- (2021) Model-free anti-swing control of complex-shaped payload with offshore floating cranes and a large number of lift wires. Ocean Engineering. vol. 228.
- (2021) Offshore wind turbine operations and maintenance: A state-of-the-art review. Renewable & Sustainable Energy Reviews. vol. 144 (110886).
- (2021) Effects of onshore and offshore environmental parameters on the leading edge erosion of wind turbine blades: A comparative study. Journal of Offshore Mechanics and Arctic Engineering. vol. 143 (4).
2020
- (2020) Damage identification of a jacket support structure for offshore wind turbines. 2020 IEEE 15th Conference on Industrial Electronics and Applications (ICIEA).
- (2020) Active Single-Blade Installation Using Tugger Line Tension Control and Optimal Control Allocation. International Journal of Offshore and Polar Engineering. vol. 30 (2).
- (2020) Finite-time Backstepping of a Nonlinear System in Strict-feedback Form: Proved by Bernoulli Inequality. IEEE Access. vol. 8.
- (2020) A survey on modeling and control of thruster-assisted position mooring systems. Marine Structures. vol. 74.
- (2020) A Three-Dimensional Model for Strength Assessment of Type-C Independent Cargo Tank Structures. Journal of Ship Production and Design.
- (2020) Effects of Wind-Wave Misalignment on a Wind Turbine Blade Mating Process: Impact Velocities, Blade Root Damages and Structural Safety Assessment. Journal of Marine Science and Application. vol. 19.
- (2020) Leading Edge Erosion of Wind Turbine Blades: Effects of Environmental Parameters on Impact Velocities and Erosion Damage Rate. ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering - Volume 9: Ocean Renewable Energy.
2019
- (2019) Advanced Control Algorithms to Support Automated Offshore Wind Turbine Installation. Norges teknisk-naturvitenskapelige universitet. 2019. ISBN 978-82-326-4058-4.
- (2019) A Crane Overload Protection Controller for Blade Lifting Operation Based on Model Predictive Control. Energies. vol. 12 (1).
- (2019) Integrated GNSS/IMU Hub Motion Estimator for Offshore Wind Turbine Blade Installation. Mechanical systems and signal processing. vol. 123.
- (2019) Numerical Study of the Interaction between Level Ice and Wind Turbine Tower for Estimation of Ice Crushing Loads on Structure. Journal of Marine Science and Engineering. vol. 7 (12).
- (2019) Structural Safety Assessment of Marine Operations From a Long-Term Perspective: A Case Study of Offshore Wind Turbine Blade Installation. ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering. Volume 3: Structures, Safety, and Reliability.
- (2019) Response-Based Assessment of Operational Limits for Mating Blades on Monopile-Type Offshore Wind Turbines. Energies. vol. 12 (10).
- (2019) Impact assessment of a wind turbine blade root during an offshore mating process. Engineering structures. vol. 180.
2018
- (2018) A Summary of the Recent Work at NTNU on Marine Operations Related to Installation of Offshore Wind Turbines. ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering - Volume 11A: Honoring Symposium for Professor Carlos Guedes Soares on Marine Technology and Ocean Engineering.
- (2018) A parametric study on the final blade installation process for monopile wind turbines under rough environmental conditions. Engineering structures. vol. 172.
- (2018) Mating Control of a Wind Turbine Tower-Nacelle-Rotor Assembly for a Catamaran Installation Vessel. Twenty-eighth (2018) International Ocean and Polar Engineering Conference . International Society of Offshore and Polar Engineers; Sapporo. 2018-06-10 - 2018-06-15.
- (2018) Mating Control of a Wind Turbine Tower-Nacelle-Rotor Assembly for a Catamaran Installation Vessel. The Proceedings of The Twenty-eighth (2018) International OCEAN AND POLAR ENGINEERING CONFERENCE, ISOPE 2018.
- (2018) Installation of Pre-assembled Offshore Wind Turbine Using a Catamaran Vessel and an Active Gripper Motion Control Method. International Conference and Exhibition on Grand Renewable Energy . ISES; Pacifico Yokohama,. 2018-06-17 - 2018-06-22.
- (2018) Active tugger line force control for single blade installation. Wind Energy. vol. 21 (12).
- (2018) Development and application of a simulator for offshore wind turbine blades installation. Ocean Engineering. vol. 166.
- (2018) Single blade installation using active control of three tugger lines. The Proceedings of The Twenty-eighth (2018) International OCEAN AND POLAR ENGINEERING CONFERENCE, ISOPE 2018.
- (2018) Dynamic Simulation and Control of an Active Roll Reduction System Using Free-Flooding Tanks With Vacuum Pumps [J]. Journal of Offshore Mechanics and Arctic Engineering. vol. 140 (6).
2017
- (2017) Structural reliability analysis of wind turbines: A review. Energies. vol. 10 (12).
- (2017) MModeling and Control of Crane Overload Protection During Marine Lifting Operation Based on Model Predictive Control. ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering - Volume 9: Offshore Geotechnics; Torgeir Moan Honoring Symposium.
- (2017) Dynamic Simulation and Control of an Active Roll Reduction System Using Free-Flooding Tanks With Vacuum Pumps. ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering - Volume 1: Offshore Technology.
2016
- (2016) A Tension-based Position Estimation Solution of a Moored Structure and its Uncertain Anchor Positions. IFAC-PapersOnLine. vol. 49 (23).
- (2016) An On-site Current Profile Estimation Algorithm for a Moored Floating Structure. IFAC-PapersOnLine. vol. 49 (23).
2015
- (2015) Supervisory Control of Line Breakage for Thruster-Assisted Position Mooring System. 10th IFAC Conference on Manoeuvring and Control of Marine Craft (MCMC 2015).
- (2015) Fault Tolerant Control of Thruster-Assisted Position Mooring System. Norges teknisk-naturvitenskapelige universitet. 2015.
- (2015) A Tension-based Position Estimation Approach for Moored Marine Vessels. 10th IFAC Conference on Manoeuvring and Control of Marine Craft (MCMC 2015).