Results 111 to 120 of about 122,227 (359)
The Journal of Engineering, 2019 When the ultra-high-voltage direct current (UHVDC) transmission system operates in a monopolar ground return mode, an enormous DC current flows into earth via the DC grounding electrode in the converter station and then comes into the AC system around ...
Fangjie Wu +3 more
doaj +1 more source
Experimental validation of a novel architecture based on a dual-stage converter for off-board fast battery chargers of electric vehicles [PDF]
, 2018 The experimental validation of a novel architecture of an off-board, three-phase fast battery charger for electric vehicles (EVs) with innovative operation modes is presented in this paper.
Afonso, João L. +4 more
core +2 more sources
Advanced 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
Optimal Hybrid Multiplexed AC-DC-AC converters
, 2022 Submitted to ACDC conference 2023 (Glasgow, UK)
openaire +2 more sources
Toward Wireless Implantable Robotic Systems Driven by Magnetic Field for Personalized Therapy
Advanced 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
Speed Control of DC Motor using AC/AC/DC Converter Based on Intelligent Techniques
Tikrit Journal of Engineering Sciences, 2013 This paper describes the application of ac/ac/dc and ac/dc converters to control the speed of a separately excited DC motor. Artificial neural network and PI controller are trained to select the desired values of firing angles for triggering ...
Rakan Kh Antar
doaj
Phase protection system for ac power lines [PDF]
, 1974 The system described provides protection for phase sensitive loads from being or remaining connected to ac power lines whenever a phase reversal occurs.
Wong, W. J.
core +1 more source
High power density STATCOM with extended reactive power control range [PDF]
, 2015 This paper proposes a new configuration for static synchronous compensator (STATCOM) based on the ac-side voltage doubling voltage source converter (ACVD-VSC), which has twice of the dc-link voltage utilization as two-level VSC, hence improved power ...
Adam, G. P. +3 more
core +1 more source
Soft Actuators Integrated with Control and Power Units: Approaching Wireless Autonomous Soft Robots
Advanced Robotics Research, EarlyView.Soft robots exhibit significant development potential in various applications. However, there are still key technical challenges regarding material improvement, structure design and components integration. This review focuses on the development and challenge of soft actuators, power components, and control components in untethered intelligent soft ...
Renwu Shi, Feifei Pan, Xiaobin Ji
wiley +1 more source
Energies, 2016 The growing attention on plug-in electric vehicles, and the associated high-performance demands, have initiated a development trend towards highly efficient and compact on-board battery chargers.
Jordi Everts
doaj +1 more source