Results 41 to 50 of about 21,176,028 (153)

Reduced-Order Active Disturbance Rejection Control for the Roll Channel of Small Fixed-Wing UAVs

Engineering Proceedings
Roll autopilots of small fixed-wing unmanned aerial vehicles (UAVs) should reject roll disturbances and compensate for parameter variations during flight.
Furkan Leblebici, Ozan Tekinalp
doaj   +1 more source

Linear Active Disturbance Rejection Control for DC Bus Voltage of Permanent Magnet Synchronous Generator Based on Total Disturbance Differential

Energies, 2019
The wind power grid-connected inverter system has nonlinear, strong coupling, and is susceptible to grid voltage fluctuations and nonlinear load effects.
Xuesong Zhou, Mao Liu, Youjie Ma, Bao Yang, Faqing Zhao   +4 more
doaj   +1 more source

Linear Active Disturbance Rejection Control for DC Bus Voltage Under Low-Voltage Ride-Through at the Grid-Side of Energy Storage System

Energies, 2020
The energy storage inverter system has the characteristics of nonlinearity, strong coupling, variable parameters, and flexible mode switching between parallel and off grid.
Youjie Ma, Luyong Yang, Xuesong Zhou, Xia Yang, Yongliang Zhou, Bo Zhang   +5 more
doaj   +1 more source

Physical Fitness and Device‐Based Moderate‐to‐Vigorous Physical Activity and Risk of Long‐Term Sickness Absence—A Prospective Cohort Study With 8‐Year Follow‐Up

European Journal of Sport Science, Volume 26, Issue 7, July 2026.
ABSTRACT We examined the association of physical fitness (PF) and accelerometer‐based moderate‐to‐vigorous intensity physical activity (MVPA) with long‐term sickness absence (LTSA) incidence over an 8‐year of follow‐up in Finnish working‐age population.
Valtteri Pohjola, Katariina Sarttila, Suvi Parikka, Annamari Lundqvist, Jouni Lahti   +4 more
wiley   +1 more source

Assessing the Impact of Strategic and Organizational Factors on Digital Capabilities

Strategic Change, Volume 35, Issue 4, Page 877-891, July 2026.
ABSTRACT Digital Transformation (DT) involves the use of new digital technologies to enable major business improvements that enhance customer experience, accelerate operations, create new business models, and improve the daily operations of companies.
Fátima Guadamillas, María Isabel González‐Ramos, Beatriz Ortiz, Mario J. Donate   +3 more
wiley   +1 more source

Sleep Traits and Cognitive Function: A Prospective Cohort Study With Exploration of Inflammatory Biomarkers

Brain and Behavior, Volume 16, Issue 6, June 2026.
ABSTRACT Introduction Although sleep disturbance is closely linked to cognitive impairment, the specific sleep‐related characteristics driving this deficit remain undetermined, with the mechanistic contribution of biomarkers also poorly characterized.
Chi Peng, Fan Yang, Fanfan Li, Ronghui Zhu, Lei Li, Zhentao Zhang, Jianyao You, Rui Wang, Yingyi Qin, Shuogui Xu   +9 more
wiley   +1 more source

New Double Closed Loop Linear Active Disturbance Rejection Control of Energy Storage Grid-Connected Inverter Based on Lead-Lag Correction Link

IEEE Access, 2020
The energy storage grid-connected inverter system is a complex system with strong nonlinearity and strong coupling, which quality and efficiency of grid-connection are affected by factors such as grid voltage fluctuations and model uncertainty.
Youjie Ma, Luyong Yang, Xuesong Zhou, Xia Yang   +3 more
doaj   +1 more source

Complementary extended state observer‐based model‐free sliding mode control for a PMSM in cathode copper production

Electronics Letters
This study introduces a model‐free sliding mode control scheme based on a complementary extended state observer (CESO) for a permanent magnet synchronous motor (PMSM) in cathode copper production.
Peng Gao, Liandi Fang, Huihui Pan
doaj   +1 more source

Linear Active Disturbance Rejection Control Strategy Based on Improved Quasi-Proportional Resonance for the Inner Current Loop of a Grid-Connected Inverter

Applied Sciences
Nonlinear and asymmetrical loads in microgrids cause severe current distortion and phase unbalance, presenting critical challenges for grid-connected energy storage inverters.
Jinhao Shen, Hua Zhang, Xueneng Su, Yiwen Gao, Kun Zheng, Cheng Long, Xinbo Liu   +6 more
doaj   +1 more source

Speed Control of Permanent Magnet DC Motor with Friction and Measurement Noise Using Novel Nonlinear Extended State Observer-Based Anti-Disturbance Control

Energies, 2019
In this paper, a novel finite-time nonlinear extended state observer (NLESO) is proposed and employed in active disturbance rejection control (ADRC) to stabilize a nonlinear system against system’s uncertainties and discontinuous disturbances using
Amjad J. Humaidi, Ibraheem Kasim Ibraheem   +1 more
doaj   +1 more source