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39 Results Found

  • Article
  • Open Access
24 Citations
4,890 Views
20 Pages

This paper presents an enhanced crayfish optimization algorithm (ECOA). The ECOA includes four improvement strategies. Firstly, the Halton sequence was used to improve the population initialization of the crayfish optimization algorithm. Furthermore,...

(This article belongs to the Special Issue Bioinspired Algorithms)
  • Article
  • Open Access
18 Citations
4,773 Views
44 Pages

The crayfish optimization algorithm (COA), proposed in 2023, is a metaheuristic optimization algorithm that is based on crayfish’s summer escape behavior, competitive behavior, and foraging behavior. COA has a good optimization performance, but it st...

(This article belongs to the Special Issue Bio-Inspired Optimization Algorithms and Designs for Engineering Applications: 2nd Edition)
  • Article
  • Open Access
37 Citations
3,775 Views
50 Pages

Novel Hybrid Crayfish Optimization Algorithm and Self-Adaptive Differential Evolution for Solving Complex Optimization Problems

  • Hussam N. Fakhouri,
  • Abdelraouf Ishtaiwi,
  • Sharif Naser Makhadmeh,
  • Mohammed Azmi Al-Betar and
  • Mohannad Alkhalaileh

19 July 2024

This study presents the Hybrid COASaDE Optimizer, a novel combination of the Crayfish Optimization Algorithm (COA) and Self-adaptive Differential Evolution (SaDE), designed to address complex optimization challenges and solve engineering design probl...

(This article belongs to the Section A: Computer Science)
  • Article
  • Open Access
6 Citations
2,406 Views
26 Pages

26 August 2024

Extreme learning machines (ELMs), single hidden-layer feedforward neural networks, are renowned for their speed and efficiency in classification and regression tasks. However, their generalization ability is often undermined by the random generation...

  • Article
  • Open Access
10 Citations
3,194 Views
41 Pages

29 July 2024

Feature selection (FS) is a crucial phase in data mining (DM) and machine learning (ML) tasks, aimed at removing uncorrelated and redundant attributes to enhance classification accuracy. This study introduces an improved binary crayfish optimization...

(This article belongs to the Special Issue Combinatorial Optimization and Applications)
  • Article
  • Open Access
382 Views
61 Pages

15 October 2026

Microgrid scheduling is a nonlinear, multimodal, and highly constrained optimization problem that requires effective coordination among renewable generation, controllable distributed generators, energy storage, and grid interaction. To improve the se...

(This article belongs to the Special Issue Symmetry and Metaheuristic Algorithms)
  • Article
  • Open Access
7 Citations
2,003 Views
27 Pages

An Improved Crayfish Optimization Algorithm: Enhanced Search Efficiency and Application to UAV Path Planning

  • Qinyuan Huang,
  • Yuqi Sun,
  • Chengyang Kang,
  • Chen Fan and ,
  • Xiuchen Liang and
  • Fei Sun
  • + 1 author+ 0 author

26 February 2025

The resolution of the unmanned aerial vehicle (UAV) path-planning problem frequently leverages optimization algorithms as a foundational approach. Among these, the recently proposed crayfish optimization algorithm (COA) has garnered significant atten...

(This article belongs to the Section F: Engineering and Materials)
  • Article
  • Open Access
2 Citations
1,439 Views
56 Pages

The Crayfish Optimization Algorithm (COA) has limitations that affect its optimization performance seriously. The competition stage of the COA uses a simplified mathematical model that concentrates on relations of distance between crayfish only. It i...

(This article belongs to the Section Biological Optimisation and Management)
  • Article
  • Open Access
1,597 Views
45 Pages

Image enhancement can effectively improve the contrast, clarity, and information content of images, thereby improving visual quality. Image enhancement has significant application value in the process of identifying and diagnosing agricultural pests...

(This article belongs to the Section Artificial Intelligence and Digital Agriculture)
  • Article
  • Open Access
411 Views
21 Pages

Ensemble Feature Engineering and Crayfish Optimization Algorithm-Optimized Random Forest for Productivity Prediction in High-Water-Cut Offshore Reservoirs

  • Wenlong Xia,
  • Zhaoyu Wang,
  • Xiaodong Dai,
  • Changlei Tan and ,
  • Chenlong Duan and
  • Fankun Meng
  • + 1 author+ 0 author

23 May 2026

Precise forecasting of the initial productivity rates of infill wells is essential for the effective exploitation of offshore reservoirs characterized by high water-cut. However, conventional reservoir simulation and basic machine learning models oft...

(This article belongs to the Section Petroleum and Low-Carbon Energy Process Engineering)
  • Article
  • Open Access
1 Citations
1,533 Views
21 Pages

To enhance the rapid and stable tracking of a specified trajectory by quadcopter drones, while ensuring a degree of resistance to external wind disturbances, this paper proposes an integrated control strategy that combines an optimization algorithm a...

  • Article
  • Open Access
11 Citations
1,970 Views
13 Pages

23 August 2024

The prediction of the liquid build-up height in gas wells is a crucial aspect of reservoir development and is essential for the efficient execution of drainage and gas extraction operations. Excessive liquid accumulation can lead to well flooding and...

(This article belongs to the Section Energy Systems)
  • Article
  • Open Access
6 Citations
2,057 Views
22 Pages

9 September 2024

This paper proposes a parameter optimization method for a terminal sliding mode controller (TSMC) based on a multi-strategy improved crayfish algorithm (JLSCOA) to enhance the performance of ship dynamic positioning systems. The TSMC is designed for...

  • Article
  • Open Access
1 Citations
2,336 Views
22 Pages

5 November 2024

To solve the problem of difficulty in predicting the impact point clearly and promptly during projectile flight, this paper proposes an improved ballistic-impact-point prediction method. A certain type of high-spinning tailed projectile is taken as t...

  • Article
  • Open Access
3 Citations
1,861 Views
64 Pages

In order to solve problems with the original crayfish optimization algorithm (COA), such as reduced diversity, local optimization, and insufficient convergence accuracy, a multi-strategy optimization algorithm for crayfish based on differential evolu...

(This article belongs to the Special Issue Bio-Inspired Optimization Algorithms and Designs for Engineering Applications: 3rd Edition)
  • Article
  • Open Access
1,622 Views
29 Pages

27 August 2025

The widespread application of unmanned vehicles in logistics distribution and special transportation has made improving trajectory tracking accuracy and dynamic adaptability critical for operational efficiency. This article proposes a biologically in...

(This article belongs to the Section A: Computer Science)
  • Article
  • Open Access
795 Views
18 Pages

Traditional talent identification systems often rely on static assessments and overlook the dynamic nature of long-term development. To address this limitation, this study proposes a biomimetic predictive framework inspired by crayfish behavioral eco...

(This article belongs to the Section Biological Optimisation and Management)
  • Article
  • Open Access
4 Citations
896 Views
26 Pages

12 November 2025

Image clustering analysis faces the curse of dimensionality, distance concentration, multimodal landscapes, and rapid diversity loss that challenge meta-heuristics. Meanwhile, the standard Crayfish Optimization Algorithm (COA) has shown notable poten...

(This article belongs to the Special Issue Symmetry in Mathematical Optimization Algorithm and Its Applications)
  • Article
  • Open Access
11 Citations
1,832 Views
43 Pages

To better address the issue of multi-threshold image segmentation, this paper proposes a hybrid adaptive crayfish optimization algorithm with differential evolution for color multi-threshold image segmentation (ACOADE). Due to the insufficient conver...

  • Article
  • Open Access
5 Citations
2,460 Views
20 Pages

Modelling and Design Optimization of a Novel Compliant XY Positioner for Vibration-Assisted CNC Milling

  • Minh Phung Dang,
  • Chi Thien Tran,
  • Hieu Giang Le,
  • Vo Quoc Anh Tran and
  • Hong Van Tran

6 August 2024

Vibration-assisted machining, known as hybrid processing technology, offers several benefits over conventional machining methods. However, developing mechanical structure designs to generate a non-resonant frequency source remains challenging. The ob...

(This article belongs to the Special Issue Optimization and Design of Compliant Mechanisms)
  • Article
  • Open Access
19 Citations
3,144 Views
19 Pages

Soil Salinity Inversion in Yellow River Delta by Regularized Extreme Learning Machine Based on ICOA

  • Jiajie Wang,
  • Xiaopeng Wang,
  • Jiahua Zhang,
  • Xiaodi Shang and ,
  • Yuyi Chen,
  • Yiping Feng and
  • Bingbing Tian
  • + 2 authors+ 0 author

28 April 2024

Soil salinization has seriously affected agricultural production and ecological balance in the Yellow River Delta region. Rapid and accurate monitoring of soil salinity has become an urgent need. Traditional machine learning models tend to fall into...

(This article belongs to the Topic Advances in Earth Observation and Geosciences)
  • Article
  • Open Access
4 Citations
1,879 Views
24 Pages

20 December 2025

Optimizing energy conversion in photovoltaic (PV) systems is crucial for maximizing energy conversion efficiency and ensuring reliable operation. Achieving this requires that the PV array consistently operates at the Global Maximum Power Point (GMPP)...

(This article belongs to the Special Issue Transitioning to Sustainable Energy: Opportunities and Challenges)
  • Article
  • Open Access
512 Views
27 Pages

Integration of Experimental Analysis and Predictive Modeling with Crayfish Optimization for Enhanced Biogas and Methane Production in Anaerobic Digestion

  • Khalideh Al bkoor Alrawashdeh,
  • La’aly A. Al-Samrraie,
  • Abeer Al-Bsoul,
  • Arwa Abdelhay and ,
  • Khalid Bani-Melhem,
  • Muhammad Rasool Al-Kilani,
  • Haitham Elnakar and
  • Eid Gul
  • + 3 authors+ 0 author

22 June 2026

This study presents an integrated optimization framework for enhancing biogas and methane production through anaerobic digestion, addressing the challenge of identifying optimal operating conditions across multiple interacting parameters. Biochemical...

(This article belongs to the Special Issue Advances in Bioprocess Technology, 2nd Edition)
  • Article
  • Open Access
800 Views
26 Pages

Microstrip Antenna Bandwidth Optimization for RF Microsystems Using Swarm Intelligence and Reinforcement Learning

  • Shaolong Cao,
  • Yu Shao,
  • Jie Zhang,
  • Yang Wang and ,
  • Ju Tan,
  • Kai Zhu and
  • Lianghong Li
  • + 2 authors+ 0 author

As essential radiating elements in RF and microwave microsystems, microstrip antennas require sufficient bandwidth to ensure stable operation, integration flexibility, and overall microsystem performance. From a microsystem optimization perspective,...

  • Article
  • Open Access
3 Citations
1,440 Views
24 Pages

Research on Energy-Saving Optimization of Mushroom Growing Control Room Based on Neural Network Model Predictive Control

  • Yifan Song,
  • Wengang Zheng,
  • Guoqiang Guo,
  • Mingfei Wang and ,
  • Changshou Luo,
  • Cheng Chen and
  • Zuolin Li
  • + 2 authors+ 0 author

21 October 2025

In the heating, ventilation, and air conditioning (HVAC) systems of mushroom growing control rooms, traditional rule-based control methods are commonly adopted. However, these methods are characterized by response delays, leading to underutilization...

  • Article
  • Open Access
5 Citations
1,172 Views
25 Pages

25 September 2025

To address the challenge of effectively filtering out noise components in GPS coordinate time series, we propose a denoising method based on parameter-optimized variational mode decomposition (VMD). The method combines permutation entropy with mutual...

(This article belongs to the Special Issue Advanced GNSS Technologies: Measurement, Analysis, and Applications)
  • Article
  • Open Access
1 Citations
1,111 Views
26 Pages

Fast and reliable aerodynamic predictions are crucial in the early phases of aircraft design, where a quick assessment of various configurations is required. In this context, the Vortex Lattice Method (VLM) is widely adopted due to its computational...

(This article belongs to the Special Issue Bio-Inspired Data-Driven Methods and Their Applications in Engineering Control, Optimization and AI)
  • Article
  • Open Access
10 Citations
3,297 Views
18 Pages

Advancing Crayfish Disease Detection: A Comparative Study of Deep Learning and Canonical Machine Learning Techniques

  • Yasin Atilkan,
  • Berk Kirik,
  • Koray Acici,
  • Recep Benzer and ,
  • Fatih Ekinci,
  • Mehmet Serdar Guzel,
  • Semra Benzer and
  • Tunc Asuroglu
  • + 3 authors+ 0 author

17 July 2024

This study evaluates the effectiveness of deep learning and canonical machine learning models for detecting diseases in crayfish from an imbalanced dataset. In this study, measurements such as weight, size, and gender of healthy and diseased crayfish...

(This article belongs to the Section Environmental Sciences)
  • Article
  • Open Access
1 Citations
667 Views
27 Pages

An Approach to Crayfish Weight Estimation Based on Pose Awareness

  • Xuhui Ye,
  • Mingyang He,
  • Jun Wang,
  • Lilu Huang and ,
  • Jing Xu,
  • Rihui Zhang and
  • Bo Li
  • + 2 authors+ 0 author

20 March 2026

To address the challenges of low accuracy and poor robustness in industrial crayfish weight estimation caused by variable postures, this paper proposes a lightweight method that integrates pose awareness. First, a multi-task perception model, Crayfis...

  • Article
  • Open Access
2 Citations
828 Views
12 Pages

Pattern Synthesis for Uniform Linear and Concentric Elliptical Antenna Arrays Using Kepler Optimization Algorithm

  • Yi Tang,
  • Jiaxin Wan,
  • Yixin Sun,
  • Xiao Wang and ,
  • Guoqing Ma and
  • Chuan Liu
  • + 1 author+ 0 author

8 October 2025

In this paper, a pattern synthesis method of uniform linear and concentric elliptical antenna arrays using the Kepler optimization algorithm (KOA) is proposed. The KOA, which utilizes Kepler’s laws to predict the position and velocity of planet...

(This article belongs to the Section F: Engineering and Materials)
  • Article
  • Open Access
2 Citations
1,468 Views
19 Pages

Analysis of Unmanned Surface Vehicles Heading KF-Based PI-(1+PI) Controller Using Improved Spider Wasp Optimizer

  • Xiaoyu Li,
  • Xiangye Zeng,
  • Jingyi Wang,
  • Qi Li and ,
  • Baoshuo Fan and
  • Qi Zeng
  • + 1 author+ 0 author

23 April 2025

This paper proposes a Kalman filter-based cascaded PI-(1+PI) controller, optimized using an Improved Spider Wasp Optimizer (ISWO), to address the challenges of USV heading control in dynamic marine environments. Traditional PID controllers struggle w...

  • Article
  • Open Access
19 Citations
1,838 Views
33 Pages

Three-Dimensional Path Planning for Unmanned Aerial Vehicles Based on Hybrid Multi-Strategy Dung Beetle Optimization Algorithm

  • Hongmei Fei,
  • Ruru Liu,
  • Leilei Dong,
  • Zhaohui Du and ,
  • Xuening Liu,
  • Tao Luo and
  • Jie Zhou
  • + 2 authors+ 0 author

In complex environments, three-dimensional path planning for agricultural UAVs involves the comprehensive consideration of multiple factors, including obstacle avoidance, path optimization, and computational efficiency, which significantly complicate...

(This article belongs to the Section Artificial Intelligence and Digital Agriculture)
  • Article
  • Open Access
4 Citations
2,245 Views
44 Pages

An Improved Spider Wasp Optimizer for UAV Three-Dimensional Path Planning

  • Haijun Liang,
  • Wenhai Hu,
  • Lifei Wang,
  • Ke Gong and ,
  • Yuxi Qian and
  • Longchao Li
  • + 1 author+ 0 author

16 December 2024

This paper proposes an Improved Spider Wasp Optimizer (ISWO) to address inaccuracies in calculating the population (N) during iterations of the SWO algorithm. By innovating the population iteration formula and integrating the advantages of Differenti...

  • Article
  • Open Access
1 Citations
773 Views
28 Pages

Revitalizing Water Storage Capacity: Remote Sensing and Optimization-Based Design for a New Dam

  • Ömer Genç,
  • Latif Onur Uğur,
  • Rıfat Akbıyıklı,
  • Beytullah Bozali and
  • Volkan Ateş

29 March 2026

Most of the dam structures around the world are approaching the end of their economic life of 50 to 70 years, especially due to sediment accumulation in reservoir areas. This situation necessitates the development of proactive infrastructure manageme...

(This article belongs to the Special Issue AI Solutions for Improving Sustainability in Water Resource Management)
  • Article
  • Open Access
1 Citations
546 Views
28 Pages

3 February 2026

Under China’s dual-carbon policy, medium-duty commercial vehicles (MDCVs)—widely used in urban distribution with high load fluctuation and long operating hours—are key to transportation energy conservation and emission reduction. Op...

(This article belongs to the Topic Advanced Electric Vehicle Technology, 3rd Edition)
  • Article
  • Open Access
8 Citations
1,762 Views
29 Pages

Suppression and Analysis of Low-Frequency Oscillation in Hydropower Unit Regulation Systems with Complex Water Diversion Systems

  • Zhao Liu,
  • Zhenwu Yan,
  • Hongwei Zhang,
  • Huiping Xie and ,
  • Yidong Zou,
  • Yang Zheng,
  • Zhihuai Xiao and
  • Fei Chen
  • + 3 authors+ 0 author

26 September 2024

Low-frequency oscillation (LFO) poses significant challenges to the dynamic performance of hydropower unit regulation systems (HURS) in hydropower units sharing a tailwater system. Previous methods have struggled to effectively suppress LFO, due to l...

(This article belongs to the Special Issue Advances in Optimal Control and Smart Operation of Renewable Energy Systems)
  • Article
  • Open Access
7 Citations
1,078 Views
22 Pages

12 October 2025

This paper introduces an effective approach for rotatory fault diagnosis, specifically focusing on centrifugal pumps, by combining complete ensemble empirical mode decomposition with adaptive noise (CEEMDAN) and feature-level integration. Centrifugal...

(This article belongs to the Special Issue AI-Powered Predictive Maintenance: Transforming Industrial Operations Through Intelligent Fault Diagnosis)
  • Article
  • Open Access
10 Citations
4,791 Views
25 Pages

Research on End-Effector Position Error Compensation of Industrial Robotic Arm Based on ECOA-BP

  • Wenping Xiang,
  • Junhua Chen,
  • Hao Li,
  • Zhiyuan Chai and
  • Yinghou Lou

10 January 2025

Industrial robotic arms are often subject to significant end-effector pose deviations from the target position due to the combined effects of nonlinear deformations such as link flexibility, joint compliance, and end-effector load. To address this is...

(This article belongs to the Section Sensors and Robotics)
  • Article
  • Open Access
963 Views
25 Pages

15 August 2025

Reliable short-term electricity usage prediction is essential for preserving the stability of topologically symmetric power networks and their dynamic supply–demand equilibrium. To tackle this challenge, this paper proposes a novel approach der...

(This article belongs to the Special Issue Symmetry in Mathematical Optimization Algorithm and Its Applications)