Results 21 to 30 of about 44,519 (152)

Spontaneous group synchronization of movements and respiratory rhythms. [PDF]

open access: yesPLoS ONE, 2014
We tested whether pre-assigned arm movements performed in a group setting spontaneously synchronized and whether synchronization extended to heart and respiratory rhythms.
Erwan Codrons   +3 more
doaj   +1 more source

A control strategy for a grid-connected virtual synchronous generator with virtual impedance

open access: yesEnergy Reports, 2023
Virtual synchronous generator (VSG) can simulate synchronous generator turning and damping characteristics, which can further improve the penetration rate of renewable energy in the grid.
Min’an Tang, Xilin Liu
doaj   +1 more source

EFFECT OF PRE- AND POST-MATING VITAMINS AD3E TREATMENT ON REPRODUCTIVE PERFORMANCE OF AWASSI EWES

open access: yesThe Iraqi Journal of Agricultural science, 2023
This study was designed to investigate the influence of pre-estrus (PE) synchronization and post-mating (PM) vitamins AD3E treatment on the reproductive performance of Awassi ewes raised at four Iraqi provinces.
T. A. Abdulkareem   +3 more
doaj   +1 more source

Pilot and Feasibility of Combining a Medication Adherence Intervention and Group Diabetes Education for Patients with Type-2 Diabetes

open access: yesPharmacy, 2019
Introduction: Controlling diabetes typically requires self-management and medications. Community pharmacists are positioned to support patients with both. Methods: This study assessed the feasibility and potential benefit of combining pharmacist-provided
Matthew Witry   +3 more
doaj   +1 more source

Data-Driven Optimal Synchronization for Complex Networks With Unknown Dynamics

open access: yesIEEE Access, 2020
This paper studies the data-driven optimal synchronization problem for complex networks (CNs) with unknown dynamics. By using pre-compensation technology, a compensator and a controller are proposed.
Wenjie Hu, Luli Gao, Tao Dong
doaj   +1 more source

Research on the control strategy of grid connection between shore power supply and ship power grid

open access: yesEnergy Reports, 2022
In order to meet the requirements of smooth connection and gradual load transfer between power supply and ship’s power grid. A control strategy based on an AC/DC/AC converter topology is studied in this paper.
Xiaoqiang Zhu   +5 more
doaj   +1 more source

Start-Up and Fault-Ride-Through Strategy for Offshore Wind Power via DRU-HVDC Transmission System

open access: yesEnergies
The diode-rectifier unit (DRU)-based high-voltage direct current (HVDC) transmission system offers an economical solution for offshore wind power transmission. However, this approach requires offshore wind farms to establish a strong grid voltage.
Yiting Zhang   +5 more
doaj   +1 more source

An Improved Grid-connected Pre-Synchronization Method based on Virtual Synchronous Generator Control in Power Conversion System [PDF]

open access: yesE3S Web of Conferences
Under the background of vigorously promoting the construction of new power system,the power conversion system(PCS) plays an important role to transfer high reliable electrical power quality to grid.
Shasha Chen   +3 more
doaj   +1 more source

Neural oscillation amplitude in the frontal cortex predicts esport results

open access: yesiScience, 2023
Summary: In competitive matches, strategic decisions and emotional control are important. Relevant cognitive functions and corresponding neural activities in simple and short-term laboratory tasks have been reported.
Sorato Minami   +3 more
doaj   +1 more source

Pre-Synchronization Virtual Synchronous Generator Grid-Connection Strategy Based on Fuzzy Active Disturbance Rejection for Photovoltaic Storage

open access: yes发电技术
ObjectivesVirtual synchronous generator (VSG) technology is extensively utilized for its capability to regulate damping and inertia during inverter grid connection.
LI Tao, ZHANG Chun, HU Tiancheng
doaj   +1 more source

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