Results 51 to 60 of about 378,207 (280)

Research of influence of dead time by carrier phase shifted modulation on modular multilevel converter

open access: yesGong-kuang zidonghua, 2013
The paper analyzed influence of dead time on single sub-module of modular multilevel converter and reached conclusions that the sub-module will produce positive dead voltage from inserted state to cut-off state when arm current is positive and negative ...
SONG Ping-gang, LI Yun-feng, WANG Li-na
doaj   +1 more source

Single-Phase Five-Level Multilevel Inverter Based on a Transistors Six-Pack Module

open access: yesEnergies, 2022
This article introduces a single-phase five-level multilevel inverter based on six switches and two transformers. The proposed converter requires a single dc input source with low voltage.
Flavio A. Garcia-Santiago   +5 more
doaj   +1 more source

Research on Topology and Economy of High-Frequency Isolated AC/AC Converter in Fractional Frequency Transmission System

open access: yesZhejiang dianli, 2022
As a new transmission mode, fractional frequency transmission has increasingly prominent advantages in the field of renewable energy, especially in offshore wind power.
DUAN Ziyue   +5 more
doaj   +1 more source

Integrated fuzzy and phase shift controller for output step voltage control in multilevel inverter with reduced switch count

open access: yesAutomatika, 2020
A modified multilevel inverter with a configurable level generation is proposed in this paper. The MLI is composed of a modified boost converter at the front end followed by a level generation circuit and a H-bridge configuration. The front-end converter
Jawahar Rahila, M. Santhi
doaj   +1 more source

RBF Neural Network-Based Sliding Mode Control for Modular Multilevel Converter with Uncertainty Mathematical Model

open access: yesEnergies, 2022
For medium and high-powered applications, modular multilevel converters have become the most promising converter application. In this paper, a sliding mode controller based on an RBF neural network is proposed for a modular multilevel converter.
Xuhong Yang, Haoxu Fang
doaj   +1 more source

Multimode Oxide‐Based Optoelectronic Memtransistor for In‐Sensor Vision Processing

open access: yesAdvanced Functional Materials, EarlyView.
A multimode optoelectronic memtransistor (OEMT) is demonstrated for vision explainable artificial intelligence (VXAI) hardware. By integrating optical sensing, electrical masking, and non‐volatile memory, the device enables key operations required for generating saliency information.
Min Gu Lee   +10 more
wiley   +1 more source

Multimodal Optoelectronic Synapses for Neuromorphic Intelligence: Coupling Light, Electrical, Thermal, and Beyond

open access: yesAdvanced Functional Materials, EarlyView.
This review revisits optoelectronic neuromorphic devices that extend from unimodal sensing toward multimodal perception. Five types of stimuli‐to‐output information flow that are classified based on the device roles within the system and applications are summarized and discussed.
Jihyun Shin   +6 more
wiley   +1 more source

A New Decentralized Space Vector PWM Method for Multilevel Single-Phase Full Bridge Converters

open access: yesEnergies, 2022
This paper proposes a decentralized control structure and method for a multilevel single-phase power converter using space vector pulse width modulation (SVPWM).
Phu Cong Nguyen   +2 more
doaj   +1 more source

Memristive‐Gated RC‐Delay Synaptic Transistors for Time‐Encoded Analog in‐Memory Computing

open access: yesAdvanced Functional Materials, EarlyView.
A Memristive‐Gated Transistor for Time‐Encoded Analog In‐Memory Computing — By exploiting the RC delay of a self‐rectifying interface‐type memristor, nonlinear I–V distortion is structurally bypassed, enabling 3‐bit nonvolatile memory, spike‐timing‐based analog encoding, and hardware‐calibrated reservoir‐computing validation within a unified device ...
Yun‐Seo Shin   +7 more
wiley   +1 more source

Gradient‐Conductivity Architecture Enables Synchronous Enhancement of Sensitivity and Detection Range in Multifunctional All‐Paper Sensors

open access: yesAdvanced Functional Materials, EarlyView.
A gradient‐engineered all‐paper sensor is fabricated by integrating MXene and in situ grown AgNPs within hierarchical cellulose networks. The device breaks the sensitivity–detection range trade‐off through cascaded conductive pathways, enabling ultrahigh pressure sensitivity, humidity–pressure decoupled dual‐mode sensing, and outstanding EMI shielding,
Ao Li   +7 more
wiley   +1 more source

Home - About - Disclaimer - Privacy