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57 Results Found

  • Article
  • Open Access
3 Citations
4,650 Views
34 Pages

Integrated Hybrid Second Order Algorithm for Orthogonal Projection onto a Planar Implicit Curve

  • Xiaowu Li,
  • Feng Pan,
  • Taixia Cheng,
  • Zhinan Wu and ,
  • Juan Liang and
  • Linke Hou
  • + 1 author+ 0 author

15 May 2018

The computation of the minimum distance between a point and a planar implicit curve is a very important problem in geometric modeling and graphics. An integrated hybrid second order algorithm to facilitate the computation is presented. The proofs ind...

(This article belongs to the Special Issue Advances in Computer Graphics, Geometric Modeling, and Virtual and Augmented Reality)
  • Article
  • Open Access
5 Citations
2,819 Views
24 Pages

The inductance model used in traditional sensorless control methods for switched reluctance machines (SRMs) exhibits high-order harmonics. The precision of the motor may be impacted by the buildup of rotor estimate errors caused by these harmonics. T...

  • Article
  • Open Access
9 Citations
2,906 Views
20 Pages

Search Patterns Based on Trajectories Extracted from the Response of Second-Order Systems

  • Erik Cuevas,
  • Héctor Becerra,
  • Héctor Escobar,
  • Alberto Luque-Chang and ,
  • Marco Pérez,
  • Heba F. Eid and
  • Mario Jiménez
  • + 2 authors+ 0 author

12 April 2021

Recently, several new metaheuristic schemes have been introduced in the literature. Although all these approaches consider very different phenomena as metaphors, the search patterns used to explore the search space are very similar. On the other hand...

(This article belongs to the Special Issue Applied (Meta)-Heuristic in Intelligent Systems)
  • Article
  • Open Access
125 Citations
9,418 Views
32 Pages

Energy Management System for Hybrid PV/Wind/Battery/Fuel Cell in Microgrid-Based Hydrogen and Economical Hybrid Battery/Super Capacitor Energy Storage

  • Younes Sahri,
  • Youcef Belkhier,
  • Salah Tamalouzt,
  • Nasim Ullah and ,
  • Rabindra Nath Shaw,
  • Md. Shahariar Chowdhury and
  • Kuaanan Techato
  • + 2 authors+ 0 author

11 September 2021

The present work addresses the modelling, control, and simulation of a microgrid integrated wind power system with Doubly Fed Induction Generator (DFIG) using a hybrid energy storage system. In order to improve the quality of the waveforms (voltages...

(This article belongs to the Section A5: Hydrogen Energy)
  • Article
  • Open Access
16 Citations
1,972 Views
16 Pages

27 July 2023

Sustainability is important in voltage regulation control in grids and must be done successfully. In this paper, a novel tilt-fractional order integral-derivative with a second order derivative and low-pass filters controller, referred to as TI&lambd...

(This article belongs to the Topic Optimal Planning, Integration and Control of Smart Grids and Microgrids Systems)
  • Article
  • Open Access
624 Views
27 Pages

5 April 2026

To address the issues of suboptimal recovery performance, low timeliness, and poor economic efficiency associated with traditional fault recovery methods following large-scale power outages in active distribution networks (ADNs) caused by extreme wea...

(This article belongs to the Section F2: Distributed Energy System)
  • Article
  • Open Access
22 Citations
5,111 Views
28 Pages

Hybrid Overlap Filter for LiDAR Point Clouds Using Free Software

  • Sandra Buján,
  • Miguel Cordero and
  • David Miranda

25 March 2020

Despite the large amounts of resources destined to developing filtering algorithms of LiDAR point clouds in order to obtain a Digital Terrain Model (DTM), the task remains a challenge. As a society advancing towards the democratization of information...

(This article belongs to the Section Remote Sensing in Geology, Geomorphology and Hydrology)
  • Article
  • Open Access
2 Citations
2,164 Views
17 Pages

18 February 2025

Most of the processes with various dynamic characteristics can be reduced to the Second Order Plus Time Delay (SOPTD) model by using the model reduction method. We propose a novel hybrid approach that combines Long Short-Term Memory (LSTM)-based real...

(This article belongs to the Special Issue Motivation AI and Its Application to Smart Systems and Industrial Innovations)
  • Article
  • Open Access
46 Citations
4,306 Views
38 Pages

A New Efficient Cuckoo Search MPPT Algorithm Based on a Super-Twisting Sliding Mode Controller for Partially Shaded Standalone Photovoltaic System

  • Zahra Bel Hadj Salah,
  • Saber Krim,
  • Mohamed Ali Hajjaji,
  • Badr M. Alshammari and ,
  • Khalid Alqunun,
  • Ahmed Alzamil and
  • Tawfik Guesmi
  • + 2 authors+ 0 author

19 June 2023

The impact of Partial Shading Conditions (PSCs) significantly influences the output of Photovoltaic Systems (PVSs). Under PSCs, the Power-Voltage (P-V) characteristic of the PVS unveils numerous power peaks, inclusive of local maxima and a global max...

(This article belongs to the Section Energy Sustainability)
  • Article
  • Open Access
544 Views
19 Pages

Identification of Complex Nonlinear Fractional-Order System Based on Fuzzy Multi-Model

  • Qian Zhang,
  • Chunlei Liu,
  • Jingwen Chen,
  • Hongwei Wang and
  • Zheng Zhang

Fractional-order dynamic systems, due to their long memory and nonlocality, have significant advantages in describing the dynamic behavior of complex engineering systems. However, existing identification methods often struggle to balance modeling acc...

(This article belongs to the Section Engineering)
  • Article
  • Open Access
7 Citations
2,763 Views
23 Pages

Estimation of Lithium-Ion Battery SOC Based on IFFRLS-IMMUKF

  • Xianguang Zhao,
  • Tao Wang,
  • Li Li and
  • Yanqing Cheng

The state of charge (SOC) is a characteristic parameter that indicates the remaining capacity of electric vehicle batteries. It plays a significant role in determining driving range, ensuring operational safety, and extending the service life of batt...

(This article belongs to the Special Issue Intelligent Electric Vehicle Control, Testing and Evaluation)
  • Article
  • Open Access
10 Citations
2,588 Views
25 Pages

14 August 2024

Smart Transformer (ST)-based Meshed Hybrid AC/DC Microgrids (MHMs) present a promising solution to enhance the efficiency of conventional microgrids (MGs) and facilitate higher integration of Distributed Energy Resources (DERs), simultaneously managi...

(This article belongs to the Section D: Energy Storage and Application)
  • Article
  • Open Access
1,355 Views
25 Pages

3 September 2025

Addressing escalating demands for high-precision compact robotic actuators, this study overcomes persistent challenges from nonlinear transmission dynamics and computational constraints through a co-designed framework integrating three innovations. A...

(This article belongs to the Section F: Engineering and Materials)
  • Article
  • Open Access
5 Citations
1,998 Views
18 Pages

14 July 2023

This paper investigates the parallel harmonic resonance problem for hybrid compensation systems, consisting of active power filters and thyristor-switched capacitors, and proposes an adaptive composite control strategy for solving the parallel harmon...

(This article belongs to the Special Issue Power Electronics for Energy Transition and Renewable Energy Conversion Processes)
  • Article
  • Open Access
11 Citations
2,585 Views
18 Pages

18 August 2022

Accurate State of Charge (SOC) estimation for lithium-ion batteries has great significance with respect to the correct decision-making and safety control. In this research, an improved second-order-polarization equivalent circuit (SO-PEC) modelling m...

(This article belongs to the Section Computation and Simulation on Metals)
  • Article
  • Open Access
452 Views
26 Pages

To address the deepening electro-carbon coupling and flexibility shortages in active distribution networks with high renewable energy penetration, this paper proposes a bi-level collaborative planning strategy considering dynamic electro-carbon facto...

(This article belongs to the Section Power Electronics)
  • Article
  • Open Access
1,266 Views
22 Pages

23 September 2025

To address the challenges posed by harmonic distortion and DC offset in the power grid, this paper proposes a novel Phase-Locked Loop (PLL) architecture tailored for single-phase grid-connected systems. The design integrates an Enhanced Adaptive Seco...

(This article belongs to the Section Energy Systems)
  • Article
  • Open Access
24 Citations
7,752 Views
16 Pages

Many of rural Alaskan communities operate their own, stand-alone electrical microgrids as there is no state-wide power distribution network. Although the fossil fuel-based power generators are the primary energy source in these isolated communities,...

(This article belongs to the Special Issue Applications of Artificial Neural Networks for Energy Systems)
  • Article
  • Open Access
3 Citations
862 Views
21 Pages

19 November 2025

The large-scale integration of Distributed Generation (DG) poses significant challenges to the stable operation of distribution networks. It is particularly crucial to explore the power supply restoration capability of Soft Open Points with Energy St...

(This article belongs to the Section F1: Electrical Power System)
  • Article
  • Open Access
2 Citations
3,164 Views
21 Pages

21 August 2025

In recommender systems research, the data sparsity problem has driven the development of hybrid recommendation algorithms integrating multimodal information and the application of graph neural networks (GNNs). However, conventional GNNs relying on ho...

(This article belongs to the Special Issue Causal Inference in Recommender Systems)
  • Article
  • Open Access
5 Citations
1,923 Views
17 Pages

14 May 2025

With the rapid growth in low-voltage electricity demand, abnormal electricity consumption behavior is becoming more and more frequent, which not only threatens the safe and stable operation of power systems, but also causes huge economic losses. In o...

(This article belongs to the Special Issue Hybrid Intelligent Modeling Technology and Optimization Strategy for Industrial Energy Consumption Processes: 2nd Edition)
  • Article
  • Open Access
483 Views
39 Pages

The Exponential Distribution Optimizer (EDO) is a newly developed mathematics-based metaheuristic with a simple structure and high efficiency. However, the EDO faces dilemmas, including poor initial population quality, premature convergence, insuffic...

(This article belongs to the Special Issue AI-Driven Edge and Cloud Computing for IoT)
  • Article
  • Open Access
10 Citations
2,990 Views
25 Pages

Optimal Reconfiguration of Distribution Network Considering Stochastic Wind Energy and Load Variation Using Hybrid SAMPSO Optimization Method

  • Raida Sellami,
  • Imene Khenissi,
  • Tawfik Guesmi,
  • Badr M. Alshammari and ,
  • Khalid Alqunun,
  • Ahmed S. Alshammari,
  • Kamel Tlijani and
  • Rafik Neji
  • + 3 authors+ 0 author

7 September 2022

Due to the stochastic characteristics of wind power generation and following varying demands for load consumption over a planning period, the optimal reconfiguration (OR) of the radial distribution network (RDN) represents a complex problem of a comb...

  • Article
  • Open Access
43 Citations
6,170 Views
25 Pages

Multi-Techniques for Analyzing X-ray Images for Early Detection and Differentiation of Pneumonia and Tuberculosis Based on Hybrid Features

  • Ibrahim Abdulrab Ahmed,
  • Ebrahim Mohammed Senan,
  • Hamzeh Salameh Ahmad Shatnawi,
  • Ziad Mohammad Alkhraisha and
  • Mamoun Mohammad Ali Al-Azzam

20 February 2023

An infectious disease called tuberculosis (TB) exhibits pneumonia-like symptoms and traits. One of the most important methods for identifying and diagnosing pneumonia and tuberculosis is X-ray imaging. However, early discrimination is difficult for r...

(This article belongs to the Section Machine Learning and Artificial Intelligence in Diagnostics)
  • Article
  • Open Access
435 Views
39 Pages

18 June 2026

With the rapid expansion of agricultural e-commerce in China, inefficient cloud warehouse consolidation and high environmental costs have hindered the sustainability of supply chains. To address the challenges of low vehicle loading rates and high ca...

  • Article
  • Open Access
857 Views
21 Pages

Island microgrids are highly vulnerable to extreme weather, which threatens operational stability and post-disaster recovery. To address the challenge of widespread power outages caused by typhoons, a novel coordinated framework is proposed which opt...

(This article belongs to the Topic Advancing Sustainable Water Transportation: Integration of Renewable Energy and Energy Efficiency Optimization)
  • Feature Paper
  • Article
  • Open Access
6 Citations
3,743 Views
29 Pages

Overcurrent Limiting Strategy for Grid-Forming Inverters Based on Current-Controlled VSG

  • Alisher Askarov,
  • Pavel Radko,
  • Yuly Bay,
  • Ivan Gusarov and ,
  • Vagiz Kabirov,
  • Pavel Ilyushin and
  • Aleksey Suvorov
  • + 2 authors+ 0 author

7 October 2025

A key direction of the development of modern power systems is the application of a continuously increasing number of grid-forming power converters to provide various system services. One of the possible strategies for the implementation of grid-formi...

(This article belongs to the Special Issue Applied Mathematics and Intelligent Control in Electrical Engineering)
  • Article
  • Open Access
12 Citations
5,984 Views
26 Pages

26 March 2023

Day traders in the financial markets are under constant pressure to make rapid decisions and limit capital losses in response to fluctuating market prices. As such, their emotional state can greatly influence their decision-making, leading to subopti...

(This article belongs to the Section Wearables)
  • Article
  • Open Access
9 Citations
3,212 Views
40 Pages

3 October 2025

Stealth attacks targeting industrial control systems (ICS) exploit subtle sequences of malicious actions, making them difficult to detect with conventional methods. The OPC Unified Architecture (OPC UA) protocol—now widely adopted in SCADA/ICS...

(This article belongs to the Special Issue Trustworthy and Secure Internet of Things and Cyber–Physical Systems)
  • Article
  • Open Access
1,066 Views
25 Pages

Reentry Trajectory Optimization of Hypersonic Vehicle Based on Multi-Strategy Improved WOA Optimized Attention-LSTM Network

  • Encheng Dai,
  • Guangbin Cai,
  • Yonghua Fan,
  • Hui Xu and ,
  • Hao Wei and
  • Xin Li
  • + 1 author+ 0 author

Trajectory optimization of hypersonic vehicles face challenges from complex aerodynamic environments and multiple constraints, where traditional offline optimization methods struggle to meet real-time requirements. This study proposes a novel online...

(This article belongs to the Section Aeronautics)
  • Article
  • Open Access
4 Citations
927 Views
22 Pages

25 November 2025

To achieve the co-optimization of dynamic–static performance and lightweight design for the telescopic boom, we proposed an integrated approach within a multi-objective optimization framework by using hybrid surrogate model, combined weighting-...

(This article belongs to the Section Process Control, Modeling and Optimization)
  • Article
  • Open Access
15 Citations
4,683 Views
25 Pages

21 October 2020

Heritage recording has received much attention and benefits from recent developments in the field of range and imaging sensors. While these methods have often been viewed as two different methodologies, data integration can achieve different products...

(This article belongs to the Special Issue Sensors & Methods in Cultural Heritage)
  • Article
  • Open Access
403 Views
25 Pages

Remaining Useful Life Prediction of Retired Lithium-Ion Batteries Under Second-Life Energy Storage Conditions Using Wavelet Packet Energy Entropy

  • Lin Chen,
  • Minling Pan,
  • Zihao Liu,
  • Kang Yu and ,
  • Bing Ji,
  • Yuan Gao and
  • Haihong Pan
  • + 2 authors+ 0 author

12 August 2026

Retired lithium-ion batteries retain considerable residual value for second-life energy storage applications, but significant variations in health conditions and complex operating scenarios make accurate remaining useful life (RUL) prediction challen...

(This article belongs to the Special Issue Advanced Automotive Technologies and Sustainable Road Transport: Real-World Emissions, Electrification, Energy Modeling, and Data-Driven Mobility)
  • Article
  • Open Access
8 Citations
2,627 Views
26 Pages

The transition from traditional to renewable energy sources is a critical issue in current energy-generation systems, which aims to address climate change and the increased demand for energy. This shift, however, imposes additional burdens on control...

(This article belongs to the Section Engineering)
  • Article
  • Open Access
7 Citations
2,502 Views
22 Pages

Disturbance Rejection-Based Optimal PID Controllers for New 6ISO AVR Systems

  • Muhyaddin Rawa,
  • Sultan Alghamdi,
  • Martin Calasan,
  • Obaid Aldosari and ,
  • Ziad M. Ali,
  • Salem Alkhalaf,
  • Mihailo Micev and
  • Shady H. E. Abdel Aleem
  • + 3 authors+ 0 author

In the literature, different approaches that are employed in designing automatic voltage regulators (AVRs) usually model the AVR as a single-input-single-output system, where the input is the generator reference voltage, and the output is the generat...

(This article belongs to the Special Issue Fractional Order Controllers for Non-linear Systems)
  • Article
  • Open Access
6 Citations
1,523 Views
23 Pages

10 September 2025

With the increasing deployment of unmanned surface vessels (USVs) in complex marine operations such as ocean monitoring, search and rescue, and military reconnaissance, precise heading control under environmental disturbances and system delays has be...

(This article belongs to the Section Bioinspired Sensorics, Information Processing and Control)
  • Article
  • Open Access
1 Citations
1,138 Views
21 Pages

Transient Stability Analysis of Wind-Integrated Power Systems via a Kuramoto-like Model Incorporating Node Importance

  • Min Cheng,
  • Jiawei Yu,
  • Mingkang Wu,
  • Yayao Zhang and ,
  • Yihua Zhu and
  • Yuanfu Zhu
  • + 1 author+ 0 author

23 June 2025

As the global energy structure transitions towards cleaner sources, large-scale integration of wind power has become a trend for modern power systems. However, the impact of low-inertia power electronic converters and the fault propagation effects at...

(This article belongs to the Topic Intelligent, Flexible, and Effective Operation of Smart Grids with Novel Energy Technologies and Equipment)
  • Article
  • Open Access
1 Citations
541 Views
17 Pages

24 February 2026

Accurate state-of-charge (SoC) estimation is essential for ensuring the safety, efficiency, and longevity of lithium-ion batteries in electric vehicles and energy storage systems. However, conventional methods such as ampere-hour (AH) integration and...

(This article belongs to the Section Electrical and Electronic Engineering)
  • Article
  • Open Access
732 Views
17 Pages

Daily Runoff Series Prediction Using GWO Optimization and Secondary Decomposition: A Case Study of the Xujiang River Basin

  • Qingyan Li,
  • Manxin Quan,
  • Xuwen Ouyang,
  • Shumin Zhou and ,
  • Xiling Zhang and
  • Xiangui Lan
  • + 1 author+ 0 author

15 April 2026

Runoff time series often exhibit nonlinear and fluctuating characteristics, and their complexity has further increased with the intensification of global climate change; high-precision daily-scale forecasting remains a core challenge in the field of...

(This article belongs to the Section Hydrology)
  • Article
  • Open Access
28 Citations
5,224 Views
20 Pages

10 April 2020

A mobile personalized recommendation service satisfies the needs of users and stimulates them to continue to adopt mobile commerce applications. Therefore, how to precisely provide mobile personalized recommendation service is very important for the...

(This article belongs to the Section Economic and Business Aspects of Sustainability)
  • Article
  • Open Access
4 Citations
1,192 Views
34 Pages

10 November 2025

Scalp image detection faces challenges such as limited evaluation dimensions, difficulties in quantifying user perception, and insufficient discriminative power of traditional assessment methods. To address these issues, this paper proposes a multi-a...

(This article belongs to the Special Issue Applications of Fuzzy Systems and Fuzzy Decision Making)
  • Article
  • Open Access
3 Citations
2,254 Views
35 Pages

High-dimensional complex optimization problems are pervasive in engineering and scientific computing, yet conventional algorithms struggle to meet collaborative optimization requirements due to computational complexity. While Chicken Swarm Optimizati...

(This article belongs to the Special Issue Exploration of Bio-Inspired Computing)
  • Article
  • Open Access
23 Citations
5,159 Views
31 Pages

CBIR-DSS: Business Decision Oriented Content-Based Recommendation Model for E-Commerce

  • Ashish Bagwari,
  • Anurag Sinha,
  • N. K. Singh,
  • Namit Garg and
  • Jyotshana Kanti

5 October 2022

Business-based decision support systems have been proposed for a few decades in the e-commerce and textile industries. However, these Decision Support Systems (DSS) have not been so productive in terms of business decision delivery. In our proposed m...

(This article belongs to the Special Issue Recommendation Algorithms and Web Mining)
  • Article
  • Open Access
6 Citations
5,143 Views
17 Pages

Integrated System of Microalgae Photobioreactor and Wine Fermenter: Growth Kinetics for Sustainable CO2 Biocapture

  • María Carla Groff,
  • Cecilia Fernández Puchol,
  • Rocío Gil,
  • Lina Paula Pedrozo and ,
  • Santiago Albareti,
  • Ana Belén Manzanares,
  • Emilia Sánchez and
  • Gustavo Scaglia
  • + 3 authors+ 0 author

Microalgae possess the remarkable ability to autotrophically grow, utilizing atmospheric carbon dioxide (CO2) for photosynthesis, thereby converting solar energy into chemical energy and releasing oxygen. This capacity makes them an effective tool fo...

(This article belongs to the Special Issue Wine and Beer Fermentation, 2nd Edition)
  • Article
  • Open Access
1,205 Views
25 Pages

27 April 2026

Conventional contact-based monitoring of heart rate (HR) presents challenges such as patient discomfort, skin irritation, and poor long-term adherence, motivating the development of contactless, video-based sensing systems. This study proposes a robu...

(This article belongs to the Special Issue Machine Learning in Biomedical Signal Processing)
  • Article
  • Open Access
6 Citations
1,196 Views
28 Pages

Multi-Objective Cooperative Optimization Model for Source–Grid–Storage in Distribution Networks for Enhanced PV Absorption

  • Pu Zhao,
  • Xiao Liu,
  • Hanbing Qu,
  • Ning Liu and ,
  • Yu Zhang and
  • Chuanliang Xiao
  • + 1 author+ 0 author

5 September 2025

High penetration of distributed photovoltaics (DPV) in distribution networks can lead to voltage violations, increased network losses, and renewable energy curtailment, posing significant challenges to both economic efficiency and operational stabili...

(This article belongs to the Section Energy Systems)
  • Article
  • Open Access
1 Citations
398 Views
24 Pages

To address the key problems of low-frequency oscillation and insufficient regulation accuracy at the Point of Common Coupling (PCC) in hydro–wind–photovoltaic hybrid systems, which are caused by the randomness of wind and photovoltaic out...

(This article belongs to the Special Issue Integration of Fluid Renewable Energy and Integrated Energy Systems: From Traditional Hydropower to Emerging Ocean Energy Technologies)
  • Article
  • Open Access
17 Citations
5,036 Views
23 Pages

An Improved Multi-Timescale Coordinated Control Strategy for Stand-Alone Microgrid with Hybrid Energy Storage System

  • Jingfeng Chen,
  • Ping Yang,
  • Jiajun Peng,
  • Yuqi Huang and ,
  • Yaosheng Chen and
  • Zhiji Zeng
  • + 1 author+ 0 author

17 August 2018

A scientific and effective coordinated control strategy is crucial to the safe and economic operation of a microgrid (MG). With the continuous improvement of the renewable energy source (RES) penetration rate in MG, the randomness and intermittency o...

(This article belongs to the Special Issue Power Quality in Microgrids Based on Distributed Generators)
  • Article
  • Open Access
953 Views
30 Pages

Load frequency control (LFC) plays a critical role in maintaining frequency stability and regulating power transfer between interconnected areas subjected to continuous load variations. In multi-area systems, disturbances tend to propagate through in...

(This article belongs to the Topic Power System Dynamics and Stability, 2nd Edition)
  • Article
  • Open Access
8 Citations
2,994 Views
18 Pages

28 September 2022

With the growth of electric vehicles’ (EVs) deployment as a substitute for internal combustion engine vehicles, the impact of this kind of load on the distribution grid cannot be neglected. An in-depth study needs to be performed on a regional...

(This article belongs to the Section E: Electric Vehicles)

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