Results 41 to 50 of about 425,800 (302)

Control of Oscillation Patterns in a Symmetric Coupled Biological Oscillator System [PDF]

open access: yes, 2003
A chain of three-oscillator system was constructed with living biological oscillators of phasmodial slime mold, Physarum polycehalum and the oscillation patterns were analyzed by the symmetric Hopf bifurcation theory using group theory.
Fujii, Teruo   +3 more
core   +1 more source

A Fixed Switching Frequency Model Predictive Control for Half-Bridge Inverter

open access: yesIEEE Access
Finite control set model predictive control has garnered significant attention in inverter control due to its compatibility with the discrete nature of power electronic systems.
Xizi Chen, Shin Kawai, Triet Nguyen-van
doaj   +1 more source

Event-Based Consensus for General Linear Multiagent Systems under Switching Topologies

open access: yesComplexity, 2020
In this paper, event-triggered leader-following consensus of general linear multiagent systems under both fixed topology and switching topologies is studied.
Yinshuang Sun, Zhijian Ji, Kaien Liu
doaj   +1 more source

Dual-Beam Leaky-Wave Antenna Array With Capability of Fixed-Frequency Beam Switching

open access: yesIEEE Access, 2020
A novel fixed-frequency beam switchable dual-beam antenna array is presented, which consists five dual-beam leaky-wave antenna (LWA) elements designed on substrate integrated waveguide (SIW) and integrated together on a common substrate. The LWAs work on
Xiaowen Li   +5 more
doaj   +1 more source

Frequency Multiplexing for Quasi-Deterministic Heralded Single-Photon Sources

open access: yes, 2016
Single-photon sources based on optical parametric processes have been used extensively for quantum information applications due to their flexibility, room-temperature operation and potential for photonic integration.
Clemmen, Stéphane   +4 more
core   +2 more sources

Non‐ideal behavior of ZVS inverter comprising variable and fixed frequency operation: Analysis, compensation, and verification

open access: yesPower Electronic Devices and Components, 2022
This paper presents a study of a two-level inverter. It proposes a modulation scheme for inverters featuring zero-voltage switching (ZVS) with both fixed and variable switching frequency operation. The control scheme uses a hybrid method to determine the
Benedikt Kohlhepp   +2 more
doaj   +1 more source

Investigation of zero-current switching fixed frequency resonant-transition square wave converters [PDF]

open access: yes, 2014
Author name used in this publication: K. W. E. ChengAuthor name used in this publication: Y. P.
Cheng, KWE, Yeung, YPB
core   +1 more source

Direct Charge Control Method for Inverters in Discontinuous Conduction Mode

open access: yesEnergies, 2022
The discontinuous conduction mode (DCM) of the inductor current is an effective way to achieve high efficiency and high power density of inverters because it has the advantages of zero-current switching and small inductance of the filter inductor ...
Qingxin Guan, Yu Zhang
doaj   +1 more source

Fixed-switching frequency sliding mode control applied to power converters

open access: yes, 2023
The application of the sliding mode control in power converters has a well-known inconvenient from the practical point of view, which is to obtain fixed switching frequency implementations. This thesis deals with the development of a hysteresis band controller in charge of fixing the switching frequency of a sliding motion in power electronics ...
openaire   +4 more sources

Fixed Switching Frequency Direct Model Predictive Control Based on Output Current Gradients

open access: yesIECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Society, 2018
In this paper we present a direct model predictive control (MPC) scheme, which combines control and modulation in one computational stage. The MPC problem is formulated as a current control problem. By utilizing a fixed modulation cycle akin to pulse width modulation (PWM) that allows for one switching transition per phase and half-cycle a constant ...
Karamanakos, Petros   +2 more
openaire   +2 more sources

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