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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

Graph Theory-Based Approach to Accomplish Complete Coverage Path Planning Tasks for Reconfigurable Robots

Ku Ping Cheng, Rajesh Elara Mohan, Nguyen Huu Khanh Nhan, Anh Vu Le • IEEE Access (2019)

Extensive studies regarding complete coverage problems have been conducted, but a few tackle scenarios where the mobile robot is equipped with reconfigurable modules. The reconfigurability of these robots creates opportunities to develop ne...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2019.2928467

R-Local Unlabeled Sensing: A Novel Graph Matching Approach for Multiview Unlabeled Sensing Under Local Permutations

Ahmed Abbasi, Abiy Tasissa, Shuchin Aeron • IEEE Open Journal of Signal Processing (2021)

Unlabeled sensing is a linear inverse problem where the measurements are scrambled under an unknown permutation leading to loss of correspondence between the measurements and the rows of the sensing matrix. Motivated by practical tasks such...

DOAJ Open Access (DOAJ) DOI: 10.1109/OJSP.2021.3083479

Numerical Simulations of the Lunar Penetrating Radar and Investigations of the Geological Structures of the Lunar Regolith Layer at the Chang’E 3 Landing Site

Chunyu Ding, Yan Su, Shuguo Xing, Shun Dai et al. • International Journal of Antennas and Propagation (2017)

In the process of lunar exploration, and specifically when studying lunar surface structure and thickness, the established lunar regolith model is usually a uniform and ideal structural model, which is not well-suited to describe the real s...

DOAJ Open Access (DOAJ) DOI: 10.1155/2017/3013249

High-temperature dielectric characterisation in the S-band using a solar simulator heated re-entrant microwave cavity and multiphysics modelling

Baptiste Henriot, Jesse Allens Touoyem Talla, Olivier Tantot, Nicolas Delhote et al. • Materials Research Express (2026)

This study presents a comprehensive system for the high-temperature microwave characterisation of dielectric materials. This system addresses the current scarcity of reliable dielectric data above 1000 °C, particularly under concentrated so...

DOAJ Open Access (DOAJ) DOI: 10.1088/2053-1591/ae86bb

Identification and evaluation of the effective criteria for detection of congestion in a smart city

Anita Mohanty, Subrat Kumar Mohanty, Bhagyalaxmi Jena, Ambarish G. Mohapatra et al. • IET Communications (2022)

Abstract The delay in transportation of necessary items is due to traffic congestion throughout the world. This is a serious phenomenon which results in waste of time and fuel. The detection of road conditions and dissemination of traffic i...

DOAJ Open Access (DOAJ) DOI: 10.1049/cmu2.12344

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

Analysis of the functioning computer equipment under the influence of electromagnetic interference through the power supply network

Z. M. Gizatullin, R. M. Gizatullin, I. N. Ziatdinov • Известия высших учебных заведений: Проблемы энергетики (2017)

The paper deals with experimental studies of noise immunity of computer technology in electromagnetic effects on the power supply. The results of quantitative studies functioning computer equipment when exposed to electromagnetic pulses on ...

DOAJ Open Access (DOAJ) DOI: 10.30724/1998-9903-2015-0-7-8-98-105

Rich: Region-based Intelligent Cluster-Head Selection and Node Deployment Strategy in Concentric-based WSNs

FAN, C.-S. • Advances in Electrical and Computer Engineering (2013)

In a random deployment, sensor nodes are scattered randomly in the sensing field. Hence, the coverage can not be guaranteed. In contrast, the coverage of uniformly deployment is in general larger than the random deployment. However, unifo...

DOAJ Open Access (DOAJ) DOI: 10.4316/AECE.2013.04001

An Electronic Line-Shafting Control Strategy Based on Sliding Mode Observer for Distributed Driving Electric Vehicles

Hao Huang, Qunzhang Tu, Chengming Jiang, Ming Pan et al. • IEEE Access (2021)

This paper proposed control schemes to realize the collaborative control as well as enhance the control precision for the distributed driving electric vehicle (DDEV). Firstly, we suggested an electronic line-shafting (ELS) to realize the co...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2021.3062829

The Thermomechanical Finite Element Analysis of 3003-H14 Plates Joined by the GMAW Process

Maribel Hernández, Ricardo R. Ambriz, Christian García, David Jaramillo • Metals (2020)

The gas metal arc welding (GMAW) process was used to weld 3003-H14 plates under restricted and unrestricted thermal expansion. Experimental and numerical analysis were conducted to determine the relation between weld thermal cycles and resi...

DOAJ Open Access (DOAJ) DOI: 10.3390/met10060708

A Comprehensive Mathematical Model of Electroslag Remelting with Two Series-Connected Electrodes Based on Sequential Coupling Simulation Method

Wenjie Tong, Wanming Li, Ximin Zang, Huabing Li et al. • Metals (2020)

A comprehensive mathematical model of electroslag remelting with two series-connected electrodes (TSCE-ESR) was constructed based on sequential coupling method. The influence of droplet effect on electroslag remelting process (ESR) was cons...

DOAJ Open Access (DOAJ) DOI: 10.3390/met10050658

Evaluation of experimentally observed asymmetric distributions of hardness, strain and residual stress in cold drawn bars by FEM-simulation

Juliana Zottis, Carla Adriana Theis Soares Diehl, Alexandre da Silva Rocha • Journal of Materials Research and Technology (2018)

The purpose of this paper is to investigate the correlation of strain and hardness parameters in a drawing process chain of an SAE 1045 steel bar. The present work discusses the application of the experimental and numerical method of analys...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.jmrt.2018.01.004

Adsorption and Corrosion Inhibition Behaviour of Oil Extracted from Moringa peregrina leaves for Carbon Steel in Acidic Media: Experimental and Computational Studies

Ismat H. Ali, Mohammad I. Khan, Alhafez M. Alraih, Mohammed K. Almesfer et al. • International Journal of Electrochemical Science (2021)

The current research aimed at investigating the potential corrosion inhibitory effect of essential oil extracted from Moringa peregrina leaves on carbon steel in acidic conditions. Gas chromatography (GC) and scanning electron microscope (S...

DOAJ Open Access (DOAJ) DOI: 10.20964/2021.08.49