Results 1 to 10 of about 115,747 (263)
Fatigue equivalent load approach for fatigue design [PDF]
MATEC Web of Conferences, 2019 Industrial structures undergo complex loading often unsuitable for the design and validation phases of their development. Engineers seek simplified signals to replace them, yet equivalent in terms of fatigue.
Raoult Ida, Delattre Benoit
doaj +2 more sources
An Optimization of Airline Scheduling Systems Based on a New Airline Pilots’ Fatigue Assessment Algorithm [PDF]
E3S Web of Conferences, 2023 Flight safety reports from different sources indicate that the proportion of accidents caused by flight fatigue accounts for 6-11% of all types of flight accidents.
Yang Sophie Xin +3 more
doaj +1 more source
Academic stress and mental fatigue predict subjective but not objective internal load in adolescent soccer players—a prospective cohort study [PDF]
Frontiers in PsychologyIntroductionAdolescent soccer players aspiring to reach the elite level are usually involved in a dual career. Moreover, they experience rapid physical and psychological development with unique social environments.
Rick Nijland +7 more
doaj +2 more sources
Study on Mitigation of Wake Interference by Combined Control of Yaw Misalignment and Pitch
Journal of Marine Science and Engineering, 2023 Yaw misalignment can make a wake steer, which is an effective method to increase the power of wind farms but it also increases the fatigue load of the turbines.
Liye Zhao +6 more
doaj +1 more source
Hangkong gongcheng jinzhan, 2021 The traditional rain-flow counting method is suitable for conventional fatigue load calculation, and cannot retain the frequency information of vibration fatigue. Frequency is very important for vibration fatigue.
LI Binchao, TANG Jing, YIN Zhiping
doaj +1 more source
A 2.5MW Wind Turbine TL-EMPC Yaw Strategy Based on Ideal Wind Measurement By LiDAR
IEEE Access, 2021 This paper analyzes the yaw data of the 2.5MW wind turbine of XEMC Windpower Company, and the real wind information collected by the wind farm, and proposes a two-level economic model predictive control (TL-EMPC) yaw strategy based on ideal wind ...
Han Zhao +4 more
doaj +1 more source
Active Disturbance Rejection Control for Wind Turbine Fatigue Load
Energies, 2022 With the participation of wind power in grid frequency modulation, the fatigue load of the wind turbine increases accordingly. A new control method that considers both fatigue load and output power of wind turbine (WT) is proposed in this paper. A linear
Xingkang Jin +3 more
doaj +1 more source
Fatigue Load Minimization for a Position-Controlled Floating Offshore Wind Turbine
Journal of Marine Science and Engineering, 2023 Floating offshore wind farm control via real-time turbine repositioning has a potential in significantly enhancing the wind farm efficiency. Although the wind farm power capture increase by moving platforms with aerodynamic force has been verified in a ...
Brendan Saunders, Ryozo Nagamune
doaj +1 more source
Energies, 2019 This paper proposes an active power control method for supporting grid frequency regulation in wind farms (WF) considering improved fatigue load sensitivity of wind turbines (WT).
Yingming Liu +4 more
doaj +1 more source
Infrastructures, 2022 Previous studies have addressed railway turnouts (switches and crossings), but research on the performance of 1000 mm gauge turnouts is limited. At present, wooden sleeper structures are used at turnouts in Vietnam.
Tran Anh Dung, Said M. Easa
doaj +1 more source