Results 31 to 40 of about 47,499 (264)

Vibrating Wire for Beam Profile Scanning [PDF]

open access: yes, 1999
The method for measurement of transverse profile (emittance) of the bunch by detecting of radiation arising scattering at of the bunch on the scanning wire is wide-spread.
Arutunian, S. G.   +4 more
core   +3 more sources

Harmonic reduction of a single-phase multilevel inverter using genetic algorithm and particle swarm optimization [PDF]

open access: yes, 2009
Inverter play important role in power system especially with it capability on reducing system size and increase efficient. Recent research trend of power electronics system are focusing on multilevel inverter topic in optimization on voltage output ...
Kamarudin, S. K.   +3 more
core   +2 more sources

Selected Harmonic Elimination for Cascaded Multilevel Inverter Based on Photovoltaic with Fuzzy Logic Control Maximum Power Point Tracking Technique

open access: yesTechnologies, 2018
This paper describes the work performed on a single phase 9-level cascaded H-Bridge multilevel inverter (CHB-MLI) for photovoltaic (PV) power generation, using two methods of maximum power point tracking (MPPT)—namely fuzzy logic controller (FLC ...
Yatindra Gopal   +2 more
doaj   +1 more source

Research on harmonic detection based on wavelet threshold and FFT algorithm

open access: yesSystems Science & Control Engineering, 2018
The fast Fourier transform (FFT) algorithm with window interpolation is the most commonly used and most effective method in harmonic analysis. However, the fast Fourier transform has a great dependence on the quality of the signal, and the existence of ...
Shuaishuai Zhao   +2 more
doaj   +1 more source

THD Minimization from H-Bridge Cascaded Multilevel Inverter Using Particle Swarm Optimization Technique [PDF]

open access: yesMehran University Research Journal of Engineering and Technology, 2017
In this paper, PSO (Particle Swarm Optimization) based technique is proposed to derive optimized switching angles that minimizes the THD (Total Harmonic Distortion) and reduces the effect of selected low order non-triple harmonics from the output of ...
MUDASIR AHMED MEMON   +2 more
doaj  

Five-level selective harmonic elimination PWM strategies and multicarrier phase-shifted sinusoidal PWM: A comparison [PDF]

open access: yes, 2005
The multicarrier phase-shifted sinusoidal pulse-width modulation (MPS-SPWM) technique is well-known for its important advantage of offering an increased overall bandwidth as the number of carriers multiplied with their equal frequency directly controls ...
Agelidis, V.G.   +3 more
core   +1 more source

Developing evidence‐based, cost‐effective P4 cancer medicine for driving innovation in prevention, therapeutics, patient care and reducing healthcare inequalities

open access: yesMolecular Oncology, EarlyView.
The cancer problem is increasing globally with projections up to the year 2050 showing unfavourable outcomes in terms of incidence and cancer‐related deaths. The main challenges are prevention, improved therapeutics resulting in increased cure rates and enhanced health‐related quality of life.
Ulrik Ringborg   +43 more
wiley   +1 more source

Noise Reduction for Modal Parameter Identification of the Measured FRFs Using the Modal Peak-Based Hankel-SVD Method

open access: yesShock and Vibration, 2020
The measured frequency response functions (FRFs) in the modal test are usually contaminated with noise that significantly affects the modal parameter identification.
Tianxu Zhu, Chaoping Zang, Gengbei Zhang
doaj   +1 more source

On abolishing symmetry requirements in the formulation of a five-level selective harmonic elimination pulse-width modulation technique [PDF]

open access: yes, 2006
Selective harmonic elimination pulse width modulation (SHE-PWM) techniques offer a tight control of the harmonic spectrum of a given voltage waveform generated by a power electronic converter along with a low number of switching transitions.
Agelidis, V.G.   +2 more
core   +1 more source

Practical considerations regarding power factor for nonlinear loads [PDF]

open access: yes, 2004
This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of Brunel University's products or services. Internal or personal use of this material is permitted.
Aziz, MMA   +3 more
core   +1 more source

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