Results 81 to 90 of about 10,246 (263)

4D Printing of Multimaterial Flexible Magneto‐Active Polymers

Advanced Materials Technologies, EarlyView.
Magneto‐active polymers are 3D‐printed with tunable mechanical and magnetic properties using both superparamagnetic and hard ferromagnetic fillers. Nano‐CT imaging reveals the spatial distribution of particles within the matrix. Programmable magnetization patterns and soft, flexible architectures enable responsive actuation, offering exciting ...
Naji Tarabay, Mahtab Shakibmanesh, Javier Alonso López Medina, Hongyi Guan, Alan Mitchell, Ananya Renuka Balakrishna, Camilo Velez   +6 more
wiley   +1 more source

Ductility Tuning via Cluster Network Characteristics of Porous Components

Advanced Materials Technologies, EarlyView.
Network optimization via cluster characteristics induced by interaction of stress concentration is proposed, demonstrating increased cluster size and dispersion in non‐uniform porous components. The optimized structures exhibit, for the first time, that enhanced ductility and damage progression is controllable through zigzag cluster network designed by
Ryota Toyoba, Yuichi Otsuka, Ian J Davies, Naritoshi Aoyagi, Yukio Miyashita   +4 more
wiley   +1 more source

Transducers Across Scales and Frequencies: A System‐Level Framework for Multiphysics Integration and Co‐Design

Advanced Materials Technologies, EarlyView.
Transducers convert physical signals into electrical and optical representations, yet each mechanism is bounded by intrinsic trade‐offs across bandwidth, sensitivity, speed, and energy. This review maps transduction mechanisms across physical scale and frequency, showing how heterogeneous integration and multiphysics co‐design transform isolated ...
Aolei Xu, Mengyao Xiao, Zhouli Sui, Yinpeng Wang, Daoye Zheng, Yuxin Liu, Luwei Wang, Huajun Liu, Chengkuo Lee   +8 more
wiley   +1 more source

Adaptive Virtual Complex Impedance‐Based Power Sharing Control Scheme for Islanded Microgrids

IET Smart Grid
To overcome the inaccurate power sharing and circulating current issues caused by the mismatched feeder impedance, this paper proposed an adaptive virtual complex impedance‐based power sharing control scheme, where both virtual inductance and virtual ...
Junjie Ma, Hui Wang
doaj   +1 more source

Self-Measurement of Three-Phase Converter Impedance With Virtual Excitation Source

IEEE Open Journal of Power Electronics
With the massive deployment of converter-based power generation, low-frequency oscillations (LFOs) such as sub-synchronous oscillations (SSOs) caused by converter-grid interactions have garnered widespread attention.
Han Mu, Zheran Zeng, Dongsheng Yang, Yin Sun, Xiongfei Wang   +4 more
doaj   +1 more source

Smart Closed‐Loop Systems in Personalized Healthcare: Advances and Outlook

Advanced Materials Technologies, EarlyView.
A smart closed‐loop e‐textile integrates multimodal sensing, onboard processing, wireless communication, and wearable power to enable real‐time physiological/biochemical monitoring and feedback‐controlled therapy. ABSTRACT Smart textiles represent a revolutionary frontier in healthcare, seamlessly blending fabric and advanced technologies to create ...
Safoora Khosravi, Sang Won Lee, Mohammad Abrar Uddin, Sina Hassanpoor, Neha Suvindran, Katherine Le, Harun Arkaz, Harishkumar Narayana, Saeid Soltanian, Danial Khorsandi, Negar Hosseinzadeh Kouchehbaghi, Taeil Kim, Yangzhi Zhu   +12 more
wiley   +1 more source

Enhanced Low‐Voltage Ride‐Through Capability of DFIG by Explicit Model Predict Control Based Decoupled Virtual Impedance

IET Renewable Power Generation
The power grid requires doubly‐fed induction generators (DFIGs) to effectively suppress rotor currents and provide reactive power support during low voltage ride‐through (LVRT) events.
Jia Luo, Haoran Zhao, Peng Wang
doaj   +1 more source

3D‐Printed Dynamic Heart Model With Left‐Side Anatomy and Integrated Sensor for Edge‐to‐Edge Repair and Regurgitation Reduction

Advanced Materials Technologies, EarlyView.
This work presents a fully synthetic, 3D‐printed dynamic heart model with left‐side anatomy featuring sutured mitral valve chordae tendineae analogs, embedded actuators for physiologic wall contraction, and customized flexible pressure sensors for the left ventricle.
Alejandro Guillen Obando, Hongyi Shen, Myles McGovern, Yusen Zhang, Vivien Lin, Darryl Fu, Ryan Baumwart, Kaiyan Qiu   +7 more
wiley   +1 more source

Electrically Reconfigurable Nonvolatile Transmissive Metasurface in Visible

Advanced Optical Materials, EarlyView.
An electrically reconfigurable, non‐volatile metasurface operating in the visible spectrum is demonstrated using just 20 nm thick wide‐bandgap phase change material Sb2S3. On integration with a custom ultrathin silicon micro‐heater, the device achieves reversible switching with a 16 nm resonance tuning range at 610 nm, a wavelength largely under ...
Virat Tara, Romil Audhkhasi, Andrew Tang, Rui Chen, Johannes E. Fröch, Abhinav Kala, Juejun Hu, Arka Majumdar   +7 more
wiley   +1 more source

Optimal design of virtual impedance for virtual synchronous generators considering frequency coupling

Journal of Physics: Conference Series
Abstract In the context of multiple virtual synchronous generators (VSGs) operating in parallel, severe power oscillations are a significant concern. This work introduces a self-tuning virtual impedance scheme specifically designed for multi-VSG grid systems.
Hao Hou, Peng Xu, Siqi Li, Yun Yang, Chuanchen Lin, Yichao Sun, Tao Chen   +6 more
openaire   +1 more source