Results 31 to 40 of about 2,657 (179)

A New Approach to Nonlinear State Observation for Affine Control Dynamical Systems

open access: yesApplied Sciences, 2023
In this work, a Nonlinear Higher Order Extended State Observer (NHOESO) is presented to replace the Linear Extended State Observer (LESO) used in Conventional Active Disturbance Rejection Control (C-ADRC) solutions.
Ahmad Taher Azar   +11 more
doaj   +1 more source

Analysis and Control of Fault Ride-Through Capability Improvement for Wind Energy Conversion System Using Linear Active Disturbance Rejection Control With Correction Link

open access: yesIEEE Access, 2020
Wind energy, as a kind of renewable natural energy, is spread all over the world. It is one of the most widely used and promising green energy to adjust the energy structure. Therefore, wind energy conversion systems (WECSs) have captured a great deal of
Youjie Ma   +3 more
doaj   +1 more source

Organizational GenAI Culture: Catalysts and Constraints for Crisis READINESS

open access: yesJournal of Contingencies and Crisis Management, Volume 34, Issue 3, September 2026.
ABSTRACT The growing integration of generative artificial intelligence (GenAI) is reshaping how organizations prepare for and manage crises. This study examines cultural conditions that support GenAI READINESS through 11 interviews with communication experts.
Brittany N. Shivers   +9 more
wiley   +1 more source

LESO-CN&EU&US-O3-DAILY/MONTHLY/YEARLY

open access: yes, 2023
Hourly to yearly surface ozone (O3) concentration in China (mainland), Europe, and the United States on a 0.1 deg scale. The date range is from 2012 to 2021. This is the product of the LESO framework.
Jian Xu, Songyan Zhu
core   +1 more source

The Sliding Mode Control of the Drum Water Level Based on Extended State Observer

open access: yesIEEE Access, 2019
The characteristics of the drum water level system are strong disturbance, nonlinear, strong coupling and multivariable. The sliding mode control (SMC) technique has the advantages of quick response and strong robustness.
Cuiping Pu, Jie Ren, Jianbo Su
doaj   +1 more source

Fuzzy Adaptive Linear Active Disturbance Rejection Control for Quadrotor Load UAV Based on Kalman Filter

open access: yesIEEE Access, 2023
In order to solve the problem of load variation and nonlinear strong coupling of the quadrotor load unmanned aerial vehicle (UAV), this paper proposes a fuzzy adaptive linear active disturbance rejection control algorithm based on the Kalman filter (KFFA-
Yunpeng Ju, Yalin Zhang, Guixin Zhu
doaj   +1 more source

Spaceflight and sport science: Physiological monitoring and countermeasures for the astronaut–athlete on Mars exploration missions

open access: yesExperimental Physiology, Volume 111, Issue 9, Page 3993-4003, 1 September 2026.
Abstract Long‐duration spaceflight impacts essentially every system in the human body, resulting in multisystem deconditioning that might impair the health and performance of crewmembers, particularly on long‐duration exploration missions to Mars. In this review, we apply the sport science model of athlete monitoring, testing and training to astronauts;
Luke DeVirgiliis   +8 more
wiley   +1 more source

Vector Speed Regulation of an Asynchronous Motor Based on Improved First-Order Linear Active Disturbance Rejection Technology

open access: yesEnergies, 2020
Asynchronous motors are widely used in industry and agriculture because of their simple structure, low cost, and easy maintenance. However, due to the coupling and uncertain factors of the actual operation of the motor, a traditional controller cannot ...
Xuesong Zhou, Chenglong Wang, Youjie Ma
doaj   +1 more source

Regeneration response to post‐disturbance forest management in Central Europe

open access: yesJournal of Applied Ecology, Volume 63, Issue 8, August 2026.
As disturbance activity intensifies, forest management must identify strategies to facilitate the rapid recovery of disturbed sites. By studying 868 disturbed sites across Central Europe, we found that active post‐disturbance management significantly enhanced tree regeneration in regional disturbance hotspots.
Johannes S. Mohr   +29 more
wiley   +1 more source

Towards a toxic-free environment: perspectives for chemical risk assessment approaches [PDF]

open access: yes, 2022
Regulatory frameworks to control chemical exposure in general living and occupational environments have changed exposure scenarios towards a widely spread contamination at relatively low doses in developed countries.
Iavicoli I., Bonzini M., Leso V.
core   +1 more source

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