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Showing 20 of 1,679 academic articles

Boost Converter Fed High Performance BLDC Drive for Solar PV Array Powered Air Cooling System

Shobha Rani Depuru, Muralidhar Mahankali • Advances in Electrical and Electronic Engineering (2017)

This paper proposes the utilization of a DC-DC boost converter as a mediator between a Solar Photovoltaic (SPV) array and the Voltage Source Inverters (VSI) in an SPV array powered air cooling system to attain maximum efficiency. The boost ...

DOAJ Open Access (DOAJ) DOI: 10.15598/aeee.v15i2.2133

DC-Sync: A Doppler-Compensation Time-Synchronization Scheme for Complex Mobile Underwater Sensor Networks

Sun Dajun, Ouyang Yujie, Han Yunfeng • IEEE Access (2024)

Time synchronization is crucial for effective collaboration among underwater sensors. However, existing synchronization protocols primarily cater to low-speed or simple motion scenarios, neglecting variations in radial velocity during messa...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2024.3426357

A Novel Dual-Domain Filtering Method to Improve GNSS Performance Based on a Dynamic Model Constructed by TDCP

Fangchao Li, Jingxiang Gao, Nanshan Zheng, Cheng Pan et al. • IEEE Access (2020)

To overcome the strikes from the tremendous noise of pseudorange and the integer ambiguity of carrier phase observation, we developed a novel dual-domain filtering method that integrates the traditional observation- and an innovative positi...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2020.2990132

Reducing Torque Ripple Through Innovative Configuration of Permanent Magnet Based on Air Gap Field Modulation Theory in a Novel Axial Flux Reversal Permanent Magnet Machine

Jilong Zhao, Qing Wang, Qingfeng Han • IEEE Access (2024)

In this paper, a novel axial flux reversal permanent magnet (PM) (AFRPM) machine, which combines the merit of the axial flux PM (AFPM) machine and flux reversal PM machine, is proposed. Meanwhile, according to the characteristics of the mac...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2024.3389699

Investigation of particle exhaust from EAST divertor

B. Cao, L. Wang, Y.W. Yu, G.Z. Zuo et al. • Nuclear Materials and Energy (2022)

Particle control is one of the key issues for steady-state tokamak operation. The density decay time is used to evaluate the capability of the divertor to exhaust particle with all fueling turn off. Experiments of the EAST divertor's abilit...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.nme.2022.101291

Feature Selection and Rule Generation Integrated Learning for Takagi-Sugeno-Kang Fuzzy System and its Application in Medical Data Classification

Xiaoqing Gu, Cong Zhang, Tongguang Ni • IEEE Access (2019)

The rule-based fuzzy systems have successfully applied for numerous medical data classification problems. However, structuring the concise and interpretable fuzzy rules with good classification performance is still a big challenge. To addre...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2019.2954707

GO supported Fe doped Ni(OH)2 hexagonal nanosheets for hydrogen evolution reaction in neutral electrolytes

Junping Hu, Youxing Liu • Materials Research Express (2021)

Exploiting non-noble metals catalysts with excellent performance for hydrogen evolution reaction (HER) has aroused gigantic interest, but still challenges. Herein, we reported the graphene oxide (GO) supported Fe doped Ni(OH) _2 hexagonal n...

DOAJ Open Access (DOAJ) DOI: 10.1088/2053-1591/abecad

Nuclear Engineering for an Uncertain Future

L.M. Hively • Nuclear Technology - Fusion (1983)

"Nuclear Engineering for an Uncertain Future." Nuclear Technology - Fusion, 3(2), pp. 201–202 Additional informationNotes on contributorsLee M. HivelyLee M. Hively (BS, engineering science and mathematics, Pennsylvania State University, 197...

OPENALEX DOI: https://doi.org/10.13182/fst83-a20842

Experimental study on the impact of sulfate attack on the performance of shaft lining concrete under sustained compressive load

Guo-qiang Xu, Wei Zhang, Si Chen, Zhen-kai Zhu et al. • Case Studies in Construction Materials (2024)

To investigate the impact of sulfate corrosion on the performance of shaft lining concrete under sustained compressive loads, this study immersed samples in a 10 % sodium sulfate solution after subjecting to sustained compressive loads of 0...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.cscm.2024.e03657

Acceleration of Digital Stochastic Measurement Simulation Based on Concurrent Programming

Velibor Pjevalica, Nebojsa Pjevalica, Ivan Kastelan, Nenad Petrovic • Elektronika ir Elektrotechnika (2018)

A/D conversion methods improved through stochastic signal superposition, along with oversampling techniques present significant research direction in the area of signal processing and measurement. Concerning that accuracy of those methods r...

DOAJ Open Access (DOAJ) DOI: 10.5755/j01.eie.24.6.22284

Enhanced Photocatalytic Degradation Activity of BiFeO3 Microspheres by Decoration with g-C3N4 Nanoparticles

Lijing Di, Hua Yang, Tao Xian, Xiujuan Chen • Materials Research (2018)

In this work, the g-C3N4 nanoparticles decorated BiFeO3 microspheres composites (g-C3N4/BiFeO3) were successfully synthesized by hydrothermal treatment of g-C3N4 nanoparticles together with BiFeO3 microspheres. The SEM and HRTEM observation...

DOAJ Open Access (DOAJ) DOI: 10.1590/1980-5373-mr-2018-0081

Formation of surfaces oxide vacancies in porous ZnCo2O4 nanoflowers for enhanced energy storage performance

Deyang Zhang, Binhe Feng, Wenbo Guo, Jinbing Cheng et al. • Discover Nano (2025)

Abstract A cost-effective and large-scale method for synthesizing ZnCo2O4 nanoflowers with surface oxygen vacancies as electrode materials for supercapacitors is presented. The existence of oxygen vacancies on the surface of the ZnCo2O4 nan...

DOAJ Open Access (DOAJ) DOI: 10.1186/s11671-025-04347-y

Detection of microRNA-335-5p on an Interdigitated Electrode Surface for Determination of the Severity of Abdominal Aortic Aneurysms

Bei Lu, Leiting Liu, Jingrui Wang, Yuan Chen et al. • Nanoscale Research Letters (2020)

Abstract Abdominal aortic aneurysm (AAA) refers to the enlargement of the lower artery of the abdominal aorta, and identification of an early detection tool is urgently needed for diagnosis. In the current study, an interdigitated electrode...

DOAJ Open Access (DOAJ) DOI: 10.1186/s11671-020-03331-y

Comparing an FPGA to a Cell for an Image Processing Application

Robert W. Ives, Randy P. Broussard, Hau Ngo, Ryan N. Rakvic • EURASIP Journal on Advances in Signal Processing (2010)

Modern advancements in configurable hardware, most notably Field-Programmable Gate Arrays (FPGAs), have provided an exciting opportunity to discover the parallel nature of modern image processing algorithms. On the other hand, PlayStation3 ...

DOAJ Open Access (DOAJ) DOI: 10.1155/2010/764838