Results 71 to 80 of about 11,389 (285)

Dynamic Improvement of DC Microgrids Using a Dual Approach Based on Virtual Inertia

Journal of Modern Power Systems and Clean Energy, 2022
In this paper, inspired by the concept of virtual inertia in alternating current (AC) systems, a virtual impedance controller is proposed for the dynamic improvement of direct current microgrids (DCMGs).
Mehran Jami, Qobad Shafiee, Hassan Bevrani   +2 more
doaj   +1 more source

Adaptive Virtual Synchronous Generator Modulation Strategy Based on Moment of Inertia, Damping Coefficient and Virtual Impedance

, 2022
The technology of virtual synchronous generator improves the limitations of inverter control strategy and enhances the acceptance of new energy generation in traditional power system, and yet it greatly affects the frequency dynamic regulation ability of
Ge, Shengsheng, Zhang, Jiawen
core   +1 more source

Intelligent Maintenance Review for Robots: Multimodal Information, Deep Diagnosis and Embodied Artificial Intelligence

Advanced Robotics Research, EarlyView.
This review maps the methods to monitor robots’ health by fusing vibration, sound, control signals, vision, force, and oil information with artificial intelligence. It identifies deep learning, transfer learning, digital twins, and physics‐informed models as key methodological pathways enabling earlier diagnosis, safer human–robot collaboration, and ...
Yuting Qiao, Hongbo Wang, Naipeng Li, Shuo Wang, Yaguo Lei, Tonghai Wu, Junyi Cao   +6 more
wiley   +1 more source

Towards non-virtual inertia control of renewable energy for frequency regulation: Modeling, analysis and new control scheme

International Journal of Electrical Power & Energy Systems
Currently, when renewable generation participates in frequency regulation, the traditional control method is to emulate synchronous generators through virtual inertia control.
Haishu Gao, Feng Zhang, Lei Ding, Gang Zhang, Libin Yang, Athuman Salimu   +5 more
doaj   +1 more source

Dynamic Control of Isolated Network Microgrids: A Resilient Backpropagation Neural Network-Based Virtual Inertia Control Approach

In isolated networked microgrid with high penetration of solar and wind-based generation, maintaining system stability and achieving optimal dynamic performance poses significant challenges due to reduced mechanical inertia traditionally provided by ...
Hossain, Md Alamgir, Yang, Fuwen, Shobug, Md Asaduzzaman, Lu, Junwei   +3 more
core   +1 more source

FiN‐Kiri: Fabric‐Based Inflatable Kirigami Actuator for Multimodal Soft Robots

Advanced Robotics Research, EarlyView.
This study introduces a type of inflatable fabric‐based kirigami actuator capable of performing bending motion. The actuator is utilized as soft grippers, a crawling robot and a swimming robot. The crawling robot demonstrated extraordinary motion capabilities, such as moving forward, turning and navigating a narrow tunnel.
Yang Yu, Yupei Zhang, Yanqi Yin, Yehui Wu, Jinyao Zhang, Ruiyu Bai, Jiaqiang Yao, Kewei Su, Chenyi Yu, Zhicheng Tian, Naipeng Li, Zhuang Zhang, Bo Li   +12 more
wiley   +1 more source

Virtual Inertia Control for Damping Low-Frequency Oscillation in IBR-Dominated Networks

Increased reliance on renewables brings challenges to maintaining the electric networks' inertia and damping and poses concerns about network stabilization.
Pradana, A, Feng, J, Nadarajah, M, Ma, H, Bai, F   +4 more
core   +1 more source

In Situ X‐Ray Tomography and Acoustic Emission Monitoring of Damage Evolution in C/C‐SiC Composites Fabricated by Liquid Silicon Infiltration

Advanced Science, EarlyView.
This study investigates how the internal structure of fiber‐reinforced ceramic composites affects their resistance to damage. By combining 3D X‐ray imaging with acoustic emission monitoring during mechanical testing, it reveals how silicon distribution influences crack formation.
Yang Chen, Renato S. M. Almeida, Stefan Flauder, Guillaume Couégnat, Kamen Tushtev, Jürgen Horvath, Peter Wriggers, Kurosch Rezwan   +7 more
wiley   +1 more source

Stability improvement of microgrids under dynamic load conditions: A new adaptive virtual synchronous generator based virtual inertia control approach

The virtual synchronous generator (VSG) exhibits prominent features such as communication-less control in microgrids due to its virtual inertia support.
Md Asaduzzaman Shobug, Lu, J, Shobug, MA, Fuwen Yang, Junwei Lu, Yang, F   +5 more
core   +1 more source

Precision Lignocellulosic Biorefinery: Process Regulation From Corn Stover to Products

Advanced Science, EarlyView.
This study presents a precision biorefinery framework that transforms corn stover into high‐value bioproducts through whole‐process regulation. Mechanical fractionation separates feedstock into parenchyma‐rich short fibers and vascular‐bundle‐dominant long fibers.
Xue‐Cheng Lin, Lan Wang, Tai‐Ran Pang, Ming‐Yuan Yin, Hong‐Zhang Chen   +4 more
wiley   +1 more source