Results 121 to 130 of about 12,421 (299)

Buckling‐Driven Linearity in Flexible Capacitive Pressure Sensors Based on a Three‐Dimensional Dual‐Pore Polyurethane Structure

open access: yesAdvanced Materials Technologies, EarlyView.
A flexible pressure sensor utilizing a 3D dual‐pore polyurethane structure is developed to overcome the intrinsic trade‐off between sensitivity and linearity. By inducing sequential buckling through distinct pore sizes and shapes, the device achieves highly linear and sensitive responses across a wide pressure range.
Jae Yeong Jang, Jaemin Choi, Young Jung
wiley   +1 more source

Voltage stability monitoring and improvement in a renewable energy dominated deregulated power system: A review

open access: yese-Prime: Advances in Electrical Engineering, Electronics and Energy
Recently, there has been a significant focus on voltage stability in power systems due to the difference between power generation and demand. Maintaining voltage stability poses challenges in power system planning and security assessment.
Karuppasamy Anthony   +1 more
doaj   +1 more source

Flexible Implantable Silicon Carbide Multi‐Electrode Array (MEA) for Cell Multichannel Recording and Cell Ablation

open access: yesAdvanced Materials Technologies, EarlyView.
Flexible silicon carbide (SiC) microelectrode arrays enable high‐fidelity, multichannel cell extracellular recording and precise localized ablation. SiC has been extensively evaluated to persist long‐term in chronic physiological conditions while remaining robust, with excellent electrical and electrochemical stability.
Minh Anh Huynh   +4 more
wiley   +1 more source

A fuzzy variable structure current controller for flexible AC transmission systems

open access: yes, 2002
The paper presents the design of function based variable structure fuzzy controllers for flexible AC transmission systems to improve transient stability performance.
Basu, K. P., Dash, P. K., Morris, S.
core   +1 more source

Testing and Simulation of Multilayer Polyvinylidene Fluoride‐Based Piezoelectric Energy Harvester Devices

open access: yesAdvanced Materials Technologies, EarlyView.
The study considers the use of polymer/dielectric‐based multilayers piezoelectric Energy Harvesters (EH) to produce an output voltage and current, by exploiting the mechanical energy provided by human organs movements. In particular, the heart motion is considered from the kinematic viewpoint, and a multiphysics theoretical model is developed to assess
Hamdi Ezzin   +5 more
wiley   +1 more source

Through the use of Static VAR Compensators, power transmission in Flexible AC Transmission Systems is significantly enhanced

open access: yes
Through the use of Static VAR Compensators, power transmission in Flexible AC Transmission Systems is significantly ...
Pratik Mungekar, Pranav Ajeet Nerurkar
core  

The Optimal Location of Interline Power Flow Controller in the Transmission Lines for Reduction Losses using the Particle Swarm Optimization Algorithm

open access: yesMajlesi Journal of Electrical Engineering
Interline power flow controller (IPFC) is a concept of AC flexible control of the transmission system (FACTS), with the ability to series compensation and power flow management in multi lines of a post power. Out of all FACTS devices interline power flow
Mehrdad Ahmadi Kamarposhti
doaj  

Toward Wireless Implantable Robotic Systems Driven by Magnetic Field for Personalized Therapy

open access: yesAdvanced Robotics Research, EarlyView.
Robotic materials are playing an increasingly vital role in enabling sensing and actuation at small scales. This perspective highlights recent advances in magnetic materials and magnetically actuated devices for wireless sensing, actuation, and energy harvesting toward implantable robotic systems for closed‐loop therapy.
Yusheng Wang, Ruijian Ge, Xiaoguang Dong
wiley   +1 more source

Structure-preserved power-frequency slow dynamics simulation of interconnected ac/dc power systems with AGC consideration

open access: yes, 2007
A structure-preserved power-frequency slow dynamics simulation model is suggested for interconnected ac/dc power systems with automatic generation control (AGC) consideration, which will be applied to study relevant emergency control in future so that ...
Du, ZB   +5 more
core   +1 more source

ACDC-OpFlow: A unified, cross-language framework for AC/DC optimal power flow solutions

open access: yesSoftwareX
Hybrid AC/voltage source converter-based multi-terminal DC (VSC-MTDC) power grids play a crucial role in enabling long-distance power transmission and flexible interconnection between AC grids. To fully leverage the functional advantages of such systems,
Haixiao Li   +3 more
doaj   +1 more source

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