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3,095 Results Found

  • Article
  • Open Access
41 Citations
3,584 Views
23 Pages

A Parallel Compact Gannet Optimization Algorithm for Solving Engineering Optimization Problems

  • Jeng-Shyang Pan,
  • Bing Sun,
  • Shu-Chuan Chu,
  • Minghui Zhu and
  • Chin-Shiuh Shieh

13 January 2023

The Gannet Optimization Algorithm (GOA) has good performance, but there is still room for improvement in memory consumption and convergence. In this paper, an improved Gannet Optimization Algorithm is proposed to solve five engineering optimization p...

  • Article
  • Open Access
12 Citations
3,629 Views
26 Pages

The ever-increasing complexity of industrial and engineering problems poses nowadays a number of optimization problems characterized by thousands, if not millions, of variables. For instance, very large-scale problems can be found in chemical and mat...

  • Article
  • Open Access
25 Citations
2,992 Views
16 Pages

A Compact Snake Optimization Algorithm in the Application of WKNN Fingerprint Localization

  • Weimin Zheng,
  • Senyuan Pang,
  • Ning Liu,
  • Qingwei Chai and
  • Lindong Xu

10 July 2023

Indoor localization has broad application prospects, but accurately obtaining the location of test points (TPs) in narrow indoor spaces is a challenge. The weighted K-nearest neighbor algorithm (WKNN) is a powerful localization algorithm that can imp...

  • Article
  • Open Access
3 Citations
1,837 Views
22 Pages

17 August 2022

In this paper, a compact cat swarm optimization algorithm based on a Small Sample Probability Model (SSPCCSO) is proposed. In the same way as with previous algorithms, there is a tracking mode and a searching mode in the processing of searching for o...

  • Article
  • Open Access
96 Citations
6,491 Views
19 Pages

21 January 2020

Pigeon-inspired optimization (PIO) is a new type of intelligent algorithm. It is proposed that the algorithm simulates the movement of pigeons going home. In this paper, a new pigeon herding algorithm called compact pigeon-inspired optimization (CPIO...

  • Article
  • Open Access
790 Views
22 Pages

3 September 2025

Addressing the insufficient research on the aerodynamic performance of the coupled last stage and exhaust hood structure in compact marine steam turbines under off-design conditions, this paper establishes for the first time a fully three-dimensional...

  • Article
  • Open Access
788 Views
24 Pages

12 August 2025

The vortex generator is extensively utilized to enhance the air-side flow and heat transfer in compact heat exchangers, attributed to its high efficiency and low friction factor. This paper contains an innovative design of biomimetic vortex generator...

  • Review
  • Open Access
16 Citations
6,287 Views
35 Pages

A Review on the Thermal-Hydraulic Performance and Optimization of Compact Heat Exchangers

  • Gaoliang Liao,
  • Zhizhou Li,
  • Feng Zhang,
  • Lijun Liu and
  • Jiaqiang E

23 September 2021

Heat exchangers play an important role in power, the chemical industry, petroleum, food and many other industrial productions, while compact heat exchangers are more favored in industrial applications due to their high thermal efficiency and small si...

  • Article
  • Open Access
2 Citations
1,936 Views
16 Pages

9 August 2024

Powder metallurgy (PM) technology is extensively employed in the manufacturing sector, yet its processing presents numerous challenges. To alleviate these difficulties, green machining of PM green compacts has emerged as an effective approach. The ai...

  • Article
  • Open Access
1 Citations
2,969 Views
18 Pages

10 November 2024

A growing number of scholars are drawn to using numerical approaches powered by computer simulations as a potential solution to industrial problems. Replicating the compaction process in powder metallurgy with accuracy is one such issue. The Drucker-...

  • Article
  • Open Access
7 Citations
4,454 Views
15 Pages

Optimal Control of a Compact Converter in an AC Microgrid

  • Issam A. Smadi,
  • Saher Albatran and
  • Mohammad A. Alsyouf

This paper presents an optimal control method for a compact reduced switch count AC/AC converter in an AC microgrid. The AC/AC converter is adopted to interconnect dual three-phase renewable energy sources (RESs) and a three-phase permanent magnet sy...

  • Article
  • Open Access
508 Views
20 Pages

29 October 2025

To effectively control the deformation of high concrete face rockfill dams, this study proposes an intelligent prediction model (CO–SA–GPR) that integrates the Cheetah Optimizer (CO) and Simulated Annealing (SA) algorithm to optimize Gaus...

  • Article
  • Open Access
2 Citations
2,127 Views
36 Pages

5 June 2025

The debate surrounding the optimal polarimetric modes—compact polarimetry (CP) versus dual polarization (DP)—for PolSAR ship detection persists. This study pioneers a systematic investigation into Generalized Compact Polarimetry (GCP) for...

  • Article
  • Open Access
9 Citations
3,985 Views
19 Pages

A Compact High-Order Finite-Difference Method with Optimized Coefficients for 2D Acoustic Wave Equation

  • Liang Chen,
  • Jianping Huang,
  • Li-Yun Fu,
  • Weiting Peng,
  • Cheng Song and
  • Jiale Han

19 January 2023

High-precision finite difference (FD) wavefield simulation is one of the key steps for the successful implementation of full-waveform inversion and reverse time migration. Most explicit FD schemes for solving seismic wave equations are not compact, w...

  • Article
  • Open Access
4 Citations
3,449 Views
15 Pages

9 November 2022

In this study, the significance of several factors in the performance of self-compacting mortar was statistically investigated. A screening design was used as a suitable design to identify the most important factors that can affect workability and co...

  • Article
  • Open Access
10 Citations
2,462 Views
25 Pages

A compact, 3-degrees-of-freedom (DoF), low-cost, remotely operated unmanned underwater vehicle (UUV), or MicroROV, is custom-designed, developed, instrumented, and interfaced with a PC for real-time data acquisition and control. The nonlinear equatio...

  • Article
  • Open Access
18 Citations
2,888 Views
19 Pages

Strength and Acid Resistance of Ceramic-Based Self-Compacting Alkali-Activated Concrete: Optimizing and Predicting Assessment

  • Hassan Amer Algaifi,
  • Mohammad Iqbal Khan,
  • Shahiron Shahidan,
  • Galal Fares,
  • Yassir M. Abbas,
  • Ghasan Fahim Huseien,
  • Babatunde Abiodun Salami and
  • Hisham Alabduljabbar

19 October 2021

The development of self-compacting alkali-activated concrete (SCAAC) has become a hot topic in the scientific community; however, most of the existing literature focuses on the utilization of fly ash (FA), ground blast furnace slag (GBFS), silica fum...

  • Article
  • Open Access
32 Citations
5,367 Views
21 Pages

Severe Sulfuric Acid Attack on Self-Compacting Concrete with Granulometrically Optimized Blast-Furnace Slag-Comparison of Different Test Methods

  • Sara Irico,
  • Laurence De Meyst,
  • Dirk Qvaeschning,
  • Maria Cruz Alonso,
  • Kristina Villar and
  • Nele De Belie

21 March 2020

The corrosion by severe sulfuric acid attack at pH 2 of two self-compacting concrete (SCC) types that are based on ordinary Portland cement (OPC) and granulometrically optimized blast-furnace slag cement was evaluated by three complementary tests tha...

  • Article
  • Open Access
32 Citations
4,008 Views
22 Pages

24 March 2020

A parallel compact Differential Evolution (pcDE) algorithm is proposed in this paper. The population is separated into multiple groups and the individual is run by using the method of compact Differential Evolution. The communication is implemented a...

  • Article
  • Open Access
326 Views
26 Pages

4 January 2026

Accurate prediction of the mechanical and rheological properties of self-compacting concrete (SCC) is critical for mixture design and engineering decision-making; however, conventional empirical approaches often struggle to capture the coupled nonlin...

  • Article
  • Open Access
6 Citations
2,760 Views
16 Pages

A Compact Representation of Preferences in Multiple Criteria Optimization Problems

  • Francisco Salas-Molina,
  • David Pla-Santamaria,
  • Ana Garcia-Bernabeu and
  • Javier Reig-Mullor

11 November 2019

A critical step in multiple criteria optimization is setting the preferences for all the criteria under consideration. Several methodologies have been proposed to compute the relative priority of criteria when preference relations can be expressed ei...

  • Article
  • Open Access
115 Views
11 Pages

14 January 2026

The search for maximal elements of preference relations has been recently related to the optimization of one-way utilities on compact topological spaces. In this paper, we deepen this study by referring to upper semicontinuous finite Richter–Pe...

  • Article
  • Open Access
3 Citations
1,877 Views
25 Pages

8 October 2023

In this study, a seepage prediction model was established for roller-compacted concrete dams using support vector regression (SVR) with hybrid parameter optimization (HPO). The model includes data processing via HPO and machine learning through SVR....

  • Article
  • Open Access
1 Citations
3,118 Views
21 Pages

Optimization of a Compact Corona Discharge Ozone Generator for Emergency Water Treatment in Brazil

  • Letícia Reggiane de Carvalho Costa,
  • Júlia Toffoli de Oliveira and
  • Liliana Amaral Féris

17 August 2025

The growing demand for effective water treatment solutions, particularly in smaller communities in Brazil, highlights the potential of ozonation. However, implementing this technology at a smaller scale presents challenges, including the need to adap...

  • Article
  • Open Access
2 Citations
1,339 Views
23 Pages

1 November 2024

Nowadays, cotton boll detection techniques are becoming essential for weaving and textile industries based on the production of cotton. There are limited techniques developed to segment, detect, and count cotton bolls precisely. This analysis identif...

  • Article
  • Open Access
3 Citations
2,376 Views
16 Pages

15 April 2024

In nuclear-powered steam turbines, the aerodynamic performance of the inlet chamber tends to be contradictory to the compact design, which makes it difficult to achieve optimal efficiency and power in a nuclear-powered steam turbine. In this study, t...

  • Article
  • Open Access
1 Citations
835 Views
11 Pages

27 February 2025

In this study, we designed and experimentally demonstrated a compact polarization-insensitive 2 × 2 3 dB quasi-adiabatic coupler based on B-spline curves and shape optimization. By using the supermode to enable the segmented shape optimization...

  • Communication
  • Open Access
1 Citations
3,526 Views
8 Pages

27 November 2023

The 2 × 2 3-dB couplers are one of the most widely used and important components in silicon photonics. Here, we propose an ultra-broadband and compact 2 × 2 3-dB adiabatic coupler defined by b-splines and optimized with an efficient super...

  • Article
  • Open Access
4 Citations
1,752 Views
30 Pages

Analysis and Optimization of a Novel Compact Compliant 2-DOF Positioner for Positioning to Assess Bio-Specimen Characteristics

  • Minh Phung Dang,
  • Hieu Giang Le,
  • Chi Thien Tran,
  • Vo Duc Trieu Nguyen and
  • Ngoc Le Chau

19 June 2024

A novel compact 2-DOF compliant positioner is developed for the purpose of achieving good characteristics such as high natural frequency, high displacement amplification ratio, good linear motion, and compact structure based on its symmetrical struct...

  • Article
  • Open Access
11 Citations
3,701 Views
14 Pages

23 February 2022

When the vertical joints of monolithic precast concrete structures are cast by self-compacting concrete, the design of the formwork under rational lateral pressure of self-compacting concrete becomes a key technical issue. In this paper, a prototype...

  • Proceeding Paper
  • Open Access
911 Views
8 Pages

Geospatial Analytics to Support District Efficiency, Fairness and Equity

  • Jiwon Baik,
  • Alan T. Murray,
  • Enbo Zhou and
  • Jing Xu

Districting is essential in establishing efficient, fair, and equitable boundaries across various domains such as trade and service provision, land-use development, school attendance, and political representation. This paper introduces a robust spati...

  • Article
  • Open Access
2 Citations
769 Views
17 Pages

Prediction Model for Compaction Quality of Earth-Rock Dams Based on IFA-RF Model

  • Weiwei Lin,
  • Yuling Yan,
  • Pu Xu,
  • Xiao Zhang and
  • Yichuan Zhong

5 April 2025

The current evaluation models for earth-rock dam compaction quality seldom incorporate parameter uncertainty considerations. Additionally, the existing models frequently demonstrate constrained prediction accuracy and generalization capabilities. To...

  • Article
  • Open Access
1,562 Views
38 Pages

This study is dedicated to the development of a multifunctional device that integrates air conditioning, humidification, and air purification functions, aimed at meeting the demands for energy efficiency, space-saving, and comfortable indoor environm...

  • Article
  • Open Access
1 Citations
1,700 Views
14 Pages

Compact High-Zoom-Ratio Mid-Wavelength Infrared Zoom Lens Design Based on Particle Swarm Optimization

  • Zhenhao Liu,
  • Jipeng Zhang,
  • Yuqi Huang,
  • Xin Zhang,
  • Hongbo Wu and
  • Jianping Zhang

15 January 2025

This paper presents an automated method for solving the initial structure of compact, high-zoom-ratio mid-wave infrared (MWIR) zoom lenses. Using differential analysis, the focal length variation process of zoom lenses under paraxial conditions is in...

  • Communication
  • Open Access
3,238 Views
12 Pages

Vectorial optical fields have garnered significant attention due to their potential applications in areas such as optical nano-fabrication, optical micromachining, quantum information processing, optical imaging, and so on. Traditional compact vector...

  • Article
  • Open Access
45 Citations
4,491 Views
12 Pages

15 April 2019

Design of antennas for the Internet of Things (IoT) applications requires taking into account several performance figures, both electrical (e.g., impedance matching) and field (gain, radiation pattern), but also physical constraints, primarily concer...

  • Article
  • Open Access
1,262 Views
26 Pages

Design and Optimization of a Compact Machine for Laying and Pressing Straw Checkerboard Sand Barriers in Desert Areas

  • Yuan Qi,
  • Derong Kong,
  • Peng Zhang,
  • Yang Zhang,
  • Xiaobao Zheng,
  • Yonghua Su,
  • Xinbing Ma and
  • Bugong Sun

26 August 2025

Straw checkerboard sand barriers play a critical role in wind erosion control and dune stabilization. However, manual installation remains predominant, leading to low efficiency and inconsistent quality. To address this, a compact integrated machine...

  • Article
  • Open Access
3 Citations
4,058 Views
16 Pages

Reducing Volume to Increase Capacity—Measures to Reduce Transport Energy for Recyclable Waste Collection

  • Adriano A. Santos,
  • António Ferreira da Silva,
  • António Gouveia,
  • Carlos Felgueiras and
  • Nídia Caetano

6 October 2022

The production of municipal waste is increasing all over the world. Although a significant part of the waste is collected as commingled waste, much of it is recyclable if disposed of properly. Thus, separate deposition and collection plays an extreme...

  • Article
  • Open Access
1 Citations
911 Views
31 Pages

Synergistic Optimization of Mortar Performance and Carbon Footprint Reduction Using Quarry Wastes and Natural Pozzolana: A Statistical and Experimental Study

  • Abdellah Douadi,
  • Ali Makhlouf,
  • Cherif Belebchouche,
  • Kamel Hebbache,
  • Mourad Boutlikht,
  • Laura Moretti,
  • Paulina Faria,
  • Hammoudi Abderazek,
  • Sławomir Czarnecki and
  • Adrian Chajec

14 August 2025

The construction industry increasingly integrates technological advancements to enhance efficiency and meet technical, environmental, and economic requirements. Self-compacting mortars are gaining popularity due to their superior fluidity, optimized...

  • Article
  • Open Access
2 Citations
1,884 Views
14 Pages

26 September 2023

The accumulation of discarded tire rubber poses significant challenges in terms of land usage and environmental hazards. To address this issue, this article explores the potential reuse of rubber in roadbed engineering. This study conducts a comprehe...

  • Article
  • Open Access
13 Citations
2,889 Views
15 Pages

20 November 2023

This paper presents a super-wideband multiple-input multiple-output (SWB MIMO) antenna with low profile, low mutual coupling, high gain, and compact size for microwave and millimeter-wave (mm-wave) fifth-generation (5G) applications. A single antenna...

  • Article
  • Open Access
5 Citations
3,417 Views
17 Pages

30 October 2021

High-performance and small-size on-chip inductors play a critical role in contemporary radio-frequency integrated circuits. This work presents a reliable surrogate modeling technique combining low-fidelity EM simulation models, response surface appro...

  • Article
  • Open Access
1,957 Views
17 Pages

25 March 2025

Optimizing agricultural tire traction is essential for improving field efficiency and minimizing soil degradation. This study examines the influence of lug spacing and vertical load on traction performance using Finite Element Analysis (FEA) in ANSYS...

  • Article
  • Open Access
8 Citations
4,704 Views
11 Pages

30 December 2019

With the rapid developments of the Industrial Era 4.0, numerous sensors have been employed to facilitate and monitor the quality of machining processes. Among them, accelerometers play an important role in chatter detection and suppression for reduci...

  • Article
  • Open Access
6 Citations
826 Views
32 Pages

15 October 2025

Accurate numerical simulations of soil-tire interactions are essential for optimizing agricultural machinery to minimize soil compaction and enhance crop yield. This study developed and compared two approaches for identifying and validating parameter...

  • Article
  • Open Access
28 Citations
4,649 Views
21 Pages

Practical efficient regional land-use planning requires planners to balance competing uses, regional policies, spatial compatibilities, and priorities across the social, economic, and ecological domains. Genetic algorithm optimization has progressed...

  • Article
  • Open Access
4 Citations
1,898 Views
19 Pages

22 January 2024

To address the uncertainty of optimal vibratory frequency fov of high-speed railway graded gravel (HRGG) and achieve high-precision prediction of the fov, the following research was conducted. Firstly, commencing with vibratory compaction experiments...

  • Article
  • Open Access
933 Views
25 Pages

Optimized Hot Pressing of High-Speed Steel–Bronze Composites for Diamond-Reinforced Tool Applications

  • Filip Průša,
  • Andrzej Romański,
  • Marzanna Książek,
  • Hana Thürlová,
  • Dorota Tyrała,
  • Petr Kratochvíl,
  • Janusz Konstanty,
  • Ilona Voňavková,
  • František Růžička and
  • Lucyna Jaworska
  • + 4 authors

26 August 2025

This study investigates the optimization of hot-pressing parameters for ASP60 high-speed steel composites incorporating CuSn20 bronze alloy for use in diamond-reinforced tool applications. ASP60 and CuSn20 powders were characterized using XRD, XRF, D...

  • Article
  • Open Access
4 Citations
2,760 Views
16 Pages

The continuing trend for miniaturization of electronic devices necessitates size reduction of the comprising components and circuitry. Specifically, integrated circuit-antenna modules therein require compact radiators in applications such as 5G commu...

  • Article
  • Open Access
21 Citations
4,446 Views
13 Pages

9 July 2019

In order to minimize the number of evaluations of high-fidelity (“fine”) model in the optimization process, to increase the optimization speed, and to improve optimal solution accuracy, a robust and computational-efficient multi-fidelity...

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