Maintenance optimization and inspection planning of wind energy assets: Models, methods and strategies

M Shafiee, JD Sørensen - Reliability Engineering & System Safety, 2019 - Elsevier
Designing cost-effective inspection and maintenance programmes for wind energy farms is
a complex task involving a high degree of uncertainty due to diversity of assets and their …

Prognostic techniques applied to maintenance of wind turbines: a concise and specific review

GNP Leite, AM Araújo, PAC Rosas - Renewable and Sustainable Energy …, 2018 - Elsevier
Wind turbine installation is growing consistently and fast. Wind turbines are getting bigger in
size and power, what incurs that a simple unit breakdown causes large energy losses. They …

Dissimilar underwater wet welding of HSLA steels

J Tomków, D Fydrych, G Rogalski - The International Journal of Advanced …, 2020 - Springer
The high-strength low-alloy S460ML and S460N steels were chosen for underwater wet
welding of dissimilar T-joints using covered electrodes. For improving the quality of joints …

Dynamics modeling and vibration modulation signal analysis of wind turbine planetary gearbox with a floating sun gear

G He, K Ding, X Wu, X Yang - Renewable Energy, 2019 - Elsevier
In wind turbine planetary gearboxes, the sun gears are generally designed to float in the
radial direction to achieve the uniform load distribution among different planet gears, but will …

A two-stage fault detection and classification scheme for electrical pitch drives in offshore wind farms using support vector machine

ST Kandukuri, JSL Senanyaka… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Pitch systems are one of the components with the most frequent failure in wind turbines. This
paper presents a two-stage fault detection and classification scheme for electric motor drives …

Gas pocket-assisted underwater friction stir spot welding

S Basak, M Mondal, SY Anaman, K Gao… - Journal of Materials …, 2023 - Elsevier
The present study demonstrates the concept of gas pocket-assisted friction stir spot welding
(GA-FSSW) as a new underwater wet welding (UWW) technique for the sub-sea industry …

Condition monitoring of wind turbine blades and tower via an automated laser scanning system

AU Dilek, AD Oguz, F Satis, YD Gokdel, M Ozbek - Engineering Structures, 2019 - Elsevier
During its service life, a wind turbine has to withstand very challenging loads and severe
environmental factors which can cause some deteriorations and cracks on structural …

Detection of rotor imbalance, including root cause, severity and location

S Cacciola, IM Agud, CL Bottasso - Journal of Physics …, 2016 - iopscience.iop.org
This paper presents a new way of detecting imbalances on wind turbine rotors, by using a
harmonic analysis of the rotor response in the fixed frame. The method is capable of …

Hierarchical coordinated control of flywheel energy storage matrix systems for wind farms

J Lai, Y Song, X Du - IEEE/ASME Transactions on Mechatronics, 2017 - ieeexplore.ieee.org
Flywheel energy storage technology plays an important role in enhancing the operation
reliability and efficiency of wind power generation farms. This work investigates an …

RCM implementation on plastic injection molding machine considering correlated failure modes and small size sample

MA Fuentes-Huerta, DS González-González… - … International Journal of …, 2018 - Springer
Maintenance has become an important support for ensuring equipment availability, on-time
deliveries and quality of products. In that sense, reliability-centered maintenance (RCM) …