Results 131 to 140 of about 11,273 (304)

Stem cell–based therapies for type 1 diabetes: Progress in differentiation, clinical translation, and immune protection

open access: yesAnimal Models and Experimental Medicine, EarlyView.
Directed differentiation of pluripotent stem cells into functional pancreatic β cells have emerged as a promising strategy for the radical treatment of type 1 diabetes, with preclinical and early clinical evidence demonstrating reversal of hyperglycemia and insulin independence.
Zifan Li, Yu Kang, Yuyu Niu
wiley   +1 more source

Frequency‐ and Network‐Specific Changes in Functional Connectivity Reflect Pathophysiological Mechanisms across Parkinson's Disease Stages

open access: yesAnnals of Neurology, EarlyView.
Objective Parkinson's disease (PD) is increasingly conceptualized as a disorder of large‐scale brain networks, yet whether and how frequency‐specific functional connectivity reorganizes across stages remains poorly understood. In this study, we used high‐density electroencephalography (EEG) to characterize cortico‐cortical functional connectivity ...
Matteo Conti   +15 more
wiley   +1 more source

Active disturbance rejection distributed secondary control for DC microgrids

open access: yesHigh Voltage
A novel control scheme is presented to eliminate the negative effects of communication disturbances, which introduces active disturbance rejection control (ADRC) in the control strategy design to achieve the objectives of the restoration of the bus ...
Jianlin Li   +5 more
doaj   +1 more source

Optimal Active Disturbance Rejection Control for Second Order Systems

open access: yesIEEE Access
This study addresses the control of second-order dynamic systems in the presence of uncertainties and disturbances using an optimized Active Disturbance Rejection Control (ADRC) approach.
J. J. Carreno-Zagarra   +2 more
doaj   +1 more source

Research of active disturbance rejection controller of direct torque control system of permanent magnet synchronous motor based on parameter optimizatio

open access: yesGong-kuang zidonghua, 2013
In view of problems of big torque fluctuation and easy to be influenced by load change existed in direct torque control system of permanent magnet synchronous motor based on PI controller, the paper designed an active disturbance rejection controller ...
YANG Jie, HUANG Ku
doaj  

A Robust Control Interpretation on Generalized Separation Principle of Active Disturbance Rejection Control

open access: yes, 2017
Generalized separation principle (GSP) is a main reason why active disturbance rejection control (ADRC) is easy to use. In this short note, GSP is interpreted from the respective of robust control.
Weiyao Lan, Huiyu Jin
core   +1 more source

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