Zobrazeno 1 - 10
of 39
pro vyhledávání: '"Huanguo Chen"'
Publikováno v:
Energy Science & Engineering, Vol 11, Iss 10, Pp 3619-3640 (2023)
Abstract Due to the random fluctuation of wind energy, the working conditions of the drivetrain have complex time‐varying characteristics. To deeply understand time‐varying dynamic behavior, a dynamic behavior method for normal and faulty drivetr
Externí odkaz:
https://doaj.org/article/7cf7607d229840db96434cd9725fb6cf
Publikováno v:
Mathematics, Vol 12, Iss 15, p 2404 (2024)
Predicting remaining useful life (RUL) is crucial for tool condition monitoring (TCM) systems. Inaccurate predictions can lead to premature tool replacements or excessive usage, resulting in resource wastage and potential equipment failures. This stu
Externí odkaz:
https://doaj.org/article/519265c0fdc3424297d2682ef13fde46
Publikováno v:
Advances in Mechanical Engineering, Vol 14 (2022)
Electro-hydrostatic actuator (EHA), as an emerging power-by-wire (PBW) actuation mechanism with high energy efficiency and fast responsiveness, has been widely used in modern flight control systems. As a pivotal component, the fault diagnosis of EHA
Externí odkaz:
https://doaj.org/article/ff1518bd4a5c41aca7cd3a8d38cd2217
Publikováno v:
Frontiers in Energy Research, Vol 10 (2022)
The key problem to be solved in the process of wind turbine (WT) operation and maintenance is to obtain the wind turbine performance accurately. The power curve is an important indicator to evaluate the performance of wind turbines. How to model and
Externí odkaz:
https://doaj.org/article/fd3f9862d3ef4f7099f2fd90373251ba
Publikováno v:
Machines, Vol 11, Iss 4, p 495 (2023)
The operation state of the wind turbine drivetrain is complex and variable, making it difficult to accurately evaluate under the drivetrain’s anomalies. In order to accurately identify the operating state of the main drivetrain, a method for workin
Externí odkaz:
https://doaj.org/article/888ce2c89c2f48f6bc742a8ffb284319
Publikováno v:
Machines, Vol 10, Iss 11, p 1018 (2022)
The main transmission system of wind turbines is a multi-component coupling system, and its operational state is complex and varied. These lead to frequent false alarms and missed alarms in existing monitoring systems. To accurately obtain the operat
Externí odkaz:
https://doaj.org/article/e49483fc45b5482d9fae403c3a59ff88
Publikováno v:
Energies, Vol 15, Iss 14, p 5280 (2022)
The primary wind turbines’ in-service performance evaluation method is mining and analyzing the SCADA data. However, there are complex mathematical and physical relationships between multiple operating parameters, and so far, there is a lack of sys
Externí odkaz:
https://doaj.org/article/e36ec91b9708420aa46cecfd55d934d2
Publikováno v:
Advances in Mechanical Engineering, Vol 12 (2020)
Ensemble local mean decomposition has been gradually introduced into mechanical vibration signal processing due to its excellent performance in electroencephalogram signal analysis. However, an unsatisfactory problem is that ensemble local mean decom
Externí odkaz:
https://doaj.org/article/1020119844184abe9477bcb5565813f4
Publikováno v:
Energies, Vol 14, Iss 21, p 7043 (2021)
Due to the complex and variable conditions under which wind turbines operate, existing working condition classification methods are inadequate for condition assessment of the main transmission system. Because working conditions are too few after clas
Externí odkaz:
https://doaj.org/article/b968fce88f244271b647634af552df54
Publikováno v:
Applied Sciences, Vol 11, Iss 15, p 6944 (2021)
According to the change characteristics in the toughness of the metal material during the fatigue damage process, the fatigue tests were carried out with the standard 18CrNiMo7-6 material. Scanning the fracture with an electron microscope explains th
Externí odkaz:
https://doaj.org/article/d7fbfe26c6e34db0a7a417be673473c1