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900 Results Found

  • Article
  • Open Access
13 Citations
6,116 Views
12 Pages

A conformal cylindrical phased array antenna excited with composite right/left-handed (CRLH) phase shifters is proposed. The phase tuning of the CRLH phase shifter is achieved by embedding novel magneto-static field-responsive micron-sized particles...

(This article belongs to the Topic Antennas)
  • Article
  • Open Access
9 Citations
3,286 Views
16 Pages

1 July 2024

To extend the working life of products made of titanium alloy, it is necessary to improve the polishing method to diminish the remaining defects on the workpiece surface. The Halbach array-assisted magnetic abrasive particle polishing method for tita...

(This article belongs to the Special Issue Advanced Abrasive Processing Technology and Applications)
  • Article
  • Open Access
9 Citations
6,710 Views
35 Pages

26 January 2024

The main challenge in magnetic drug targeting lies in steering the magnetic particles, especially in deeper body layers. For this purpose, linear Halbach arrays are currently in focus. However, to the best of the authors’ knowledge, the impact...

(This article belongs to the Section B: Mathematics)
  • Proceeding Paper
  • Open Access
1 Citations
2,436 Views
6 Pages

Particle Swarm Optimization Algorithm for Gold Nanohole Array Design

  • Francesco Floris,
  • Margherita Angelini and
  • Franco Marabelli

Gold nanohole arrays represent a class of bidimensional plasmonic metasurfaces that are suitable for realizing optical sensors. We propose a modeling approach based on a customized particle swarm optimization algorithm implemented in the commercial A...

(This article belongs to the Proceedings of The 4th International Online Conference on Nanomaterials)
  • Article
  • Open Access
2 Citations
2,037 Views
13 Pages

Deep-Towed Array Geometry Inversion Based on an Improved Particle Swarm Optimization Algorithm

  • Xiaohu Luo,
  • Kai Liu,
  • Yanliang Pei,
  • Chenguang Liu and ,
  • Xishuang Li and
  • Yibao Xiao
  • + 1 author+ 0 author

When marine deep-towed multichannel seismic data are processed, the description of the receiving array geometry significantly impacts the quality of the imaging profile. Therefore, achieving a highly precise description of the receiving array geometr...

(This article belongs to the Special Issue Petroleum and Gas Hydrate Exploration and Marine Geology)
  • Article
  • Open Access
9 Citations
2,801 Views
13 Pages

7 February 2024

Gold nanohole arrays, hybrid metal/dielectric metasurfaces composed of periodically arranged air holes in a thick gold film, exhibit versatile support for both localized and propagating surface plasmons. Leveraging their capabilities, particularly in...

(This article belongs to the Special Issue Advances in Nanoscale and Low-Dimensional Functional Materials)
  • Article
  • Open Access
9 Citations
6,281 Views
9 Pages

Preparation and Characterization of Perforated SERS Active Array for Particle Trapping and Sensitive Molecular Analysis

  • István Rigó,
  • Miklós Veres,
  • Tamás Váczi,
  • Eszter Holczer and ,
  • Orsolya Hakkel,
  • András Deák and
  • Péter Fürjes
  • + 2 authors+ 0 author

25 July 2019

A gold-coated array of flow-through inverse pyramids applicable as substrate for entrapment and immobilization of micro-objects and for surface enhanced Raman spectroscopic measurements was fabricated using bulk micromachining techniques from silicon...

  • Article
  • Open Access
1,135 Views
19 Pages

15 January 2026

Phased array speakers are often designed with uniform element spacing, which limits beam steering capability and sidelobe control under practical aperture and hardware constraints. This study presents an optimization-driven modelling framework for pa...

  • Article
  • Open Access
5 Citations
2,283 Views
14 Pages

9 October 2022

This article presents a novel optimization algorithm for large array thinning. The algorithm is based on Discrete Particle Swarm Optimization (DPSO) integrated with some different search strategies. It utilizes a global learning strategy to improve t...

(This article belongs to the Section Physical Sensors)
  • Article
  • Open Access
9 Citations
3,561 Views
15 Pages

In this study, the output characteristics of partial modules in a photovoltaic module array when subject to shading were first explored. Then, an improved particle swarm optimization (PSO) algorithm was applied to track the global maximum power point...

(This article belongs to the Special Issue Photovoltaic Systems for Sustainable Energy)
  • Feature Paper
  • Article
  • Open Access
33 Citations
5,594 Views
15 Pages

30 November 2019

The particle shape, size and distribution of active pharmaceutical ingredients (API) are relevant quality indicators of pharmaceutical tablets due to their high impact on the manufacturing process. Furthermore, the bioavailability of the APIs from th...

(This article belongs to the Special Issue Application of Spectroscopic Sensors in Life Science and Analytical Chemistry)
  • Article
  • Open Access
5 Citations
2,629 Views
13 Pages

27 February 2025

We have proposed a multi-strategy enhanced particle swarm optimization (PSO) algorithm to optimize the antenna spacing distribution of an optical phased array (OPA). The global search capability is improved by incorporating circle chaotic mapping ini...

(This article belongs to the Section Lasers, Light Sources and Sensors)
  • Article
  • Open Access
10 Citations
3,302 Views
17 Pages

16 October 2023

This article focuses on the optimization of the layout of a tidal current turbine array (TCTA) using the Quantum Discrete Particle Swarm (QDPS) algorithm. The objective of the optimization is to balance the maximum energy output and minimum levelized...

(This article belongs to the Section Ocean Engineering)
  • Communication
  • Open Access
2 Citations
5,394 Views
10 Pages

Ordered Array of Metal Particles on Semishell Separated with Ultrathin Oxide: Fabrication and SERS Properties

  • Xianglin Li,
  • Zhiwei Wang,
  • Chiew Kei Tan,
  • Zexiang Shen and
  • Alfred Iing Yoong Tok

29 December 2018

Metal particles in gap cavities provide an interesting system to achieve hybrid local surface plasmon modes for local field enhancement. Here, we demonstrate a relatively simple method to fabricate Ag nanoparticles positioned on Ag semishells separat...

(This article belongs to the Collection Advanced Surface Coating of Nanoparticles)
  • Article
  • Open Access
1,596 Views
12 Pages

26 February 2025

This study explores Hall transport phenomena by expanding upon prior research on magnetic disk arrays (MDAs). We examine the dynamics of charged particles using collision models akin to those in Lorentzian plasma. Previously, we derived transport coe...

(This article belongs to the Section Statistical Physics)
  • Article
  • Open Access
7 Citations
3,054 Views
11 Pages

SERS Immunosensor of Array Units Surrounded by Particles: A Platform for Auxiliary Diagnosis of Hepatocellular Carcinoma

  • Mingyu Cheng,
  • Yongjun Zhang,
  • Yaxin Wang,
  • Aonan Zhu and ,
  • Lei Chen,
  • Zhong Hua and
  • Xiaolong Zhang
  • + 2 authors+ 0 author

21 October 2020

Hepatocellular carcinoma (HCC) is one of the diseases with high mortality worldwide, so its early diagnosis and treatment have attracted much attention. Due to the advantages of the high sensitivity of surface-enhanced Raman scattering (SERS) detecti...

(This article belongs to the Section Nanofabrication and Nanomanufacturing)
  • Article
  • Open Access
2 Citations
2,572 Views
22 Pages

New Class of Polymer Materials—Quasi-Nematic Colloidal Particle Self-Assemblies: The Case of Assemblies of Prolate Spheroidal Poly(Styrene/Polyglycidol) Particles

  • Damian Mickiewicz,
  • Mariusz Gadzinowski,
  • Tomasz Makowski,
  • Witold Szymański and ,
  • Stanislaw Slomkowski and
  • Teresa Basinska
  • + 1 author+ 0 author

11 November 2022

Assemblies of colloidal polymer particles find various applications in many advanced technologies. However, for every type of application, assemblies with properly tailored properties are needed. Until now, attention has been concentrated on the asse...

(This article belongs to the Special Issue Functional Polymer Composites: Design, Preparation and Applications)
  • Article
  • Open Access
3 Citations
3,251 Views
21 Pages

13 October 2023

Air pollutants are associated with exacerbations of asthma, chronic bronchitis, and airway inflammation. Diesel exhaust particles (DEPs) can induce and worsen lung diseases. However, there are insufficient data to guide polymerase chain reaction (PCR...

(This article belongs to the Section Air Pollution and Health)
  • Communication
  • Open Access
4 Citations
2,837 Views
10 Pages

An effective method is presented to design the layout of spiral array with ultra-wideband (UWB) grating lobe suppression. In this method, the general array factor expression of spiral array is formulated. Then, the synthesis problem of spiral array l...

(This article belongs to the Special Issue Planar and Spatial Filtering Techniques for Millimeter-Wave and Terahertz Applications)
  • Article
  • Open Access
4 Citations
2,539 Views
22 Pages

Fundamental microscopic investigations are based on the interaction between filter fiber and particles. The fibrous filter theory is based on a single fiber of a fiber array, and experiments focus either on a single fiber or a fiber array. This study...

(This article belongs to the Topic Advances in Chemistry and Chemical Engineering)
  • Review
  • Open Access
31 Citations
8,783 Views
21 Pages

25 July 2023

Ultrasonic particle manipulation technique is a non-contact label-free method for manipulating micro- and nano-scale particles using ultrasound, which has obvious advantages over traditional optical, magnetic, and electrical micro-manipulation techni...

(This article belongs to the Section A: Physics)
  • Feature Paper
  • Article
  • Open Access
7 Citations
3,982 Views
10 Pages

Optimal Design of Aperiodic Reconfigurable Antenna Array Suitable for Broadcasting Applications

  • Ioannis P. Gravas,
  • Zaharias D. Zaharis,
  • Pavlos I. Lazaridis,
  • Traianos V. Yioultsis and ,
  • Nikolaos V. Kantartzis,
  • Christos S. Antonopoulos,
  • Ioannis P. Chochliouros and
  • Thomas D. Xenos
  • + 3 authors+ 0 author

An aperiodic reconfigurable microstrip antenna array is designed to serve as a DVB-T base station antenna operating in a single broadcasting channel. The antenna array is optimized at 698 MHz (center frequency of DVB-T channel 49) to concurrently ach...

(This article belongs to the Special Issue Reconfigurable Antennas)
  • Article
  • Open Access
5 Citations
2,048 Views
17 Pages

9 June 2025

To comprehensively address the challenges of aperture design, element spacing optimization, and sidelobe suppression in sparse radar array antennas, this paper proposes a hybrid particle swarm optimization (PSO) algorithm that integrates quantum-beha...

(This article belongs to the Special Issue Advanced Antenna Array Technologies and Applications)
  • Article
  • Open Access
19 Citations
4,723 Views
22 Pages

Comparison of Microwave Hyperthermia Applicator Designs with Fora Dipole and Connected Array

  • Gulsah Yildiz,
  • Iman Farhat,
  • Lourdes Farrugia,
  • Julian Bonello and ,
  • Kristian Zarb-Adami,
  • Charles V. Sammut,
  • Tuba Yilmaz and
  • Ibrahim Akduman
  • + 3 authors+ 0 author

21 July 2023

In microwave hyperthermia tumor therapy, electromagnetic waves focus energy on the tumor to elevate the temperature above its normal levels with minimal injury to the surrounding healthy tissue. Microwave hyperthermia applicator design is important f...

(This article belongs to the Special Issue Microwave and Antenna System in Medical Applications)
  • Article
  • Open Access
13 Citations
3,066 Views
23 Pages

Parallelized Particle Swarm Optimization on FPGA for Realtime Ballistic Target Tracking

  • Juhyeon Park,
  • Heoncheol Lee,
  • Hyuck-Hoon Kwon,
  • Yeji Hwang and
  • Wonseok Choi

13 October 2023

This paper addresses the problem of tracking a high-speed ballistic target in real time. Particle swarm optimization (PSO) can be a solution to overcome the motion of the ballistic target and the nonlinearity of the measurement model. However, in gen...

(This article belongs to the Special Issue Cooperative Perception and Planning for Swarm Robot Systems)
  • Article
  • Open Access
11 Citations
3,497 Views
13 Pages

A Novel Perturbed Spiral Sheathless Chip for Particle Separation Based on Traveling Surface Acoustic Waves (TSAW)

  • Miaomiao Ji,
  • Yukai Liu,
  • Junping Duan,
  • Wenxuan Zang and ,
  • Yongsheng Wang,
  • Zeng Qu and
  • Binzhen Zhang
  • + 2 authors+ 0 author

11 May 2022

The combination of the new perturbed spiral channel and a slanted gold interfingered transducer (IDT) is designed to achieve precise dynamic separation of target particles (20 μm). The offset micropillar array solves the defect that the high-width...

(This article belongs to the Section Biosensor and Bioelectronic Devices)
  • Article
  • Open Access
15 Citations
4,134 Views
16 Pages

Smart Global Maximum Power Point Tracking Controller of Photovoltaic Module Arrays

  • Long-Yi Chang,
  • Yi-Nung Chung,
  • Kuei-Hsiang Chao and
  • Jia-Jing Kao

6 March 2018

This study first explored the effect of shading on the output characteristics of modules in a photovoltaic module array. Next, a modified particle swarm optimization (PSO) method was employed to track the maximum power point of the multiple-peak char...

(This article belongs to the Section I: Energy Fundamentals and Conversion)
  • Article
  • Open Access
3 Citations
1,356 Views
31 Pages

21 August 2025

Partial shading conditions cause current mismatches between series-connected panels in photovoltaic (PV) arrays, significantly reducing power efficiency. To mitigate this limitation, reconfiguration methods based on dynamically changing the electrica...

(This article belongs to the Section F: Engineering and Materials)
  • Article
  • Open Access
6 Citations
4,346 Views
12 Pages

Design and Fabrication of a Microfluidic Chip for Particle Size-Exclusion and Enrichment

  • Luxia Yang,
  • Tian Ye,
  • Xiufeng Zhao,
  • Taotao Hu and
  • Yanlong Wei

6 October 2021

Based on the size of particles, a microfluidic chip integrating micro particles capture, controlled release and counting analysis was designed and fabricated in this paper. The chip is composed of a polydimethylsiloxane (PDMS) cover sheet and a PDMS...

(This article belongs to the Section E: Engineering and Technology)
  • Feature Paper
  • Article
  • Open Access
8 Citations
2,992 Views
24 Pages

A Multiobjective Array Beamforming Method for Arrays of Flexible Shape

  • Chenfeng Meng,
  • Yongwei Zhang,
  • Murat Temiz and
  • Ahmed El-Makadema

13 February 2024

High-performance beamforming incorporating multiple objectives for large-scale antenna arrays becomes increasingly important to improve the capacity and efficiency of wireless communication systems. The speed of synthesizing a desired beam pattern is...

(This article belongs to the Special Issue Applications of Array Antenna in Modern Wireless Systems)
  • Article
  • Open Access
5 Citations
4,502 Views
13 Pages

21 March 2021

The array invariant technique has been recently proposed for passive source localization in the ocean. It has successfully estimated the source–receiver horizontal range in multipath-dominant shallow-water waveguides. However, it requires a relativel...

(This article belongs to the Special Issue Underwater Acoustic Sensors and Applications)
  • Article
  • Open Access
4 Citations
1,654 Views
21 Pages

10 September 2025

A sparse antenna array of subarrays can effectively reduce the digital channels of array antennas, system complexities, and hardware cost while simultaneously increasing the antenna aperture. In this study, a new optimal design is proposed for a spar...

(This article belongs to the Special Issue RF Devices: Technology and Progress)
  • Article
  • Open Access
9 Citations
2,692 Views
10 Pages

An Ultraviolet-Lithography-Assisted Sintering Method for Glass Microlens Array Fabrication

  • Fangyuan Zuo,
  • Shenghua Ma,
  • Wei Zhao,
  • Chenqian Yang and ,
  • Ziyu Li,
  • Chen Zhang and
  • Jintao Bai
  • + 2 authors+ 0 author

2 November 2023

Glass microlens arrays (MLAs) have tremendous prospects in the fields of optical communication, sensing and high-sensitivity imaging for their excellent optical properties, high mechanical robustness and physicochemical stability. So far, glass MLAs...

(This article belongs to the Special Issue Emerging Micro Manufacturing Technologies and Applications, 2nd Edition)
  • Article
  • Open Access
13 Citations
3,825 Views
18 Pages

A Comparison of Faulty Antenna Detection Methodologies in Planar Array

  • Navaamsini Boopalan,
  • Agileswari K. Ramasamy and
  • Farrukh Nagi

14 March 2023

Broadcasting, radar, sonar and space telecommunication systems use phased arrays to produce directed signals to be transmitted at the desired angle. This system requires a large number of antenna elements. The presence of faulty element(s) in an arra...

(This article belongs to the Section Electrical, Electronics and Communications Engineering)
  • Article
  • Open Access
4 Citations
2,917 Views
16 Pages

18 October 2022

At present, the magnetic signals generated by the common artificial magnetic beacons change periodically with sinusoidal law, and there is a multi-value problem in measuring the target orientation by using the phase information of the magnetic signal...

  • Article
  • Open Access
14 Citations
4,951 Views
19 Pages

19 September 2020

Aperiodic sparse 2D ultrasonic array configurations, including random array, log spiral array, and sunflower array, have been considered for their potential as conformable transducers able to image within a focal range of 30–80 mm, at an operat...

(This article belongs to the Section Physical Sensors)
  • Article
  • Open Access
9 Citations
3,472 Views
20 Pages

DOA Estimation in Low SNR Environment through Coprime Antenna Arrays: An Innovative Approach by Applying Flower Pollination Algorithm

  • Khurram Hameed,
  • Shanshan Tu,
  • Nauman Ahmed,
  • Wasim Khan and ,
  • Ammar Armghan,
  • Fayadh Alenezi,
  • Norah Alnaim,
  • Muhammad Salman Qamar,
  • Abdul Basit and
  • Farman Ali
  • + 5 authors+ 0 author

29 August 2021

The design of the modern computing paradigm of heuristics is an innovative development for parameter estimation of direction of arrival (DOA) using sparse antenna arrays. In this study, the optimization strength of the flower pollination algorithm (F...

(This article belongs to the Special Issue 10th Anniversary of Applied Sciences: Invited Papers in Computing and Artificial Intelligence Section)
  • Article
  • Open Access
10 Citations
2,806 Views
13 Pages

A Continuous Cell Separation and Collection Approach on a Microfilter and Negative Dielectrophoresis Combined Chip

  • Qiong Wang,
  • Xiaoling Zhang,
  • Danfen Yin,
  • Jinan Deng and ,
  • Jun Yang and
  • Ning Hu
  • + 1 author+ 0 author

26 November 2020

Cell separation plays an important role in the fields of analytical chemistry and biomedicine. To solve the blockage problem and improve the separation throughput in the traditional microstructure filtration-based separation approach, a continuous ce...

(This article belongs to the Special Issue X-fluidics at the Micro/Nanoscale)
  • Article
  • Open Access
10 Citations
4,330 Views
18 Pages

10 January 2022

Large-aperture towed linear hydrophone array has been widely used for beamforming-based signal enhancement in passive sonar systems; however, its performance can drastically decrease due to the array distortion caused by rapid tactical maneuvers of t...

(This article belongs to the Section Ocean Remote Sensing)
  • Article
  • Open Access
9 Citations
3,330 Views
16 Pages

1 August 2018

This paper aims to present a smart, particle swarm optimization (PSO)-based, real time configuration strategy for a photovoltaic (PV) module array in the event of shadow cast on a PV module(s) and/or module failure as an effective approach to power g...

(This article belongs to the Section A: Sustainable Energy)
  • Article
  • Open Access
14 Citations
6,043 Views
17 Pages

6 February 2023

A linear phased array antenna excited with a novel composite right/left-handed (CRLH) phase shifters structure is proposed. The phase of the conventional CRLH transmission line is controlled with magnetically aligned micron-sized particles embedded i...

(This article belongs to the Section Electrical, Electronics and Communications Engineering)
  • Article
  • Open Access
2 Citations
806 Views
12 Pages

To address the issue of traditional Particle Swarm Optimization (PSO) being prone to local optima and insufficient global search capability in sparse phased array optimization, a hybrid optimization algorithm integrating PSO with a Genetic Algorithm...

(This article belongs to the Section Microwave and Wireless Communications)
  • Article
  • Open Access
1 Citations
2,269 Views
19 Pages

25 January 2021

This paper aims to develop an online diagnostic mechanism, doubling as a maximum power point tracking scheme, for a photovoltaic (PV) module array. In case of malfunction or shadow event occurring to a PV module, the presented diagnostic mechanism is...

(This article belongs to the Section A2: Solar Energy and Photovoltaic Systems)
  • Article
  • Open Access
13 Citations
7,752 Views
18 Pages

7 July 2015

This paper aims to present an improved version of a typical particle swarm optimization (PSO) algorithm, such that the global maximum power point (MPP) on a P-V characteristic curve with multiple peaks can be located in an efficient and precise manne...

  • Article
  • Open Access
6 Citations
3,727 Views
19 Pages

Planar Array Failed Element(s) Radiation Pattern Correction: A Comparison

  • Navaamsini Boopalan,
  • Agileswari K. Ramasamy,
  • Farrukh Nagi and
  • Ammar Ahmed Alkahtani

4 October 2021

Phased arrays are widely used in different fields, such as broadcasting, radar, optics, and space communications. The principle of phased arrays is to generate a directed signal from a large number of antennas to be steered at any desired angle. This...

(This article belongs to the Special Issue Design Optimization of Antennas)
  • Article
  • Open Access
12 Citations
5,124 Views
18 Pages

Taguchi L9 (34) Orthogonal Array Design for Photocatalytic Degradation of Methylene Blue Dye by Green ZnO Particles Biosynthesized by Chrysanthemum spp. Flower Extract

  • Thuan Van Tran,
  • Mabkhoot Alsaiari,
  • Farid A. Harraz,
  • Walid Nabgan and ,
  • Dinh Tien Dung Nguyen and
  • Chi Van Nguyen
  • + 1 author+ 0 author

9 June 2023

The pollution of synthetic dyes in wastewater exerts many negative impacts on the environment and human health. There is an increasing demand for the degradation of dyes, with an emphasis on photocatalysis. Here, we investigated the bio-mediated synt...

(This article belongs to the Section Wastewater Treatment and Reuse)
  • Article
  • Open Access
20 Citations
4,076 Views
20 Pages

In order to address the issue of power loss resulting from partial shadow and enhance the efficiency of photovoltaic power generation, the photovoltaic array reconfiguration technology is being increasingly utilized in photovoltaic power generation s...

(This article belongs to the Topic Energy Saving and Energy Efficiency Technologies)
  • Article
  • Open Access
675 Views
16 Pages

The Signal-Integrity Control Strategy of a TSV Array for a Chiplet-Based System

  • Bosen Wang,
  • Hongjian Su,
  • Shengqi Zhang,
  • Di Li and ,
  • Dongdong Chen and
  • Yintang Yang
  • + 1 author+ 0 author

10 July 2026

In this research, a signal-integrity control strategy of a through-silicon via (TSV) array for a Chiplet-based system is developed, based on the backpropagation neural network (BP-NN) model and particle swarm optimization algorithm with linear decrea...

(This article belongs to the Special Issue Emerging Circuits and Devices for Sensing, Computing, and Actuation Integration in Intelligent Microsystems)
  • Article
  • Open Access
1,073 Views
34 Pages

Boolean Particle Swarm Optimization with 0-Mutation

  • Zaharias D. Zaharis,
  • Emmanouil Georgios Nikopolitidis,
  • Pavlos I. Lazaridis,
  • Panagiotis Sarigiannidis and
  • Sotirios K. Goudos

First introduced in 1995, the Particle Swarm Optimization (PSO) algorithm offers a reliable and efficient solution to real-valued optimization problems. However, extending it to binary-valued problems proved challenging. This paper proposes a new Boo...

(This article belongs to the Section Learning)
  • Article
  • Open Access
2 Citations
3,119 Views
22 Pages

13 February 2025

This paper presents the concept of a hybrid positioning scheme using results from a Bluetooth Low Energy (BLE)-based system and additional infrared (IR) devices: proximity sensors and far-infrared thermal sensor arrays. In the proposed solution, the...

(This article belongs to the Section Navigation and Positioning)

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