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A Global Best-guided Firefly Algorithm for engineering Problems

Journal of Bionic engineering 2023年第5期20卷 2359-2388页

作者： Mohsen Zare Mojtaba Ghasemi Amir Zahedi Keyvan Golalipour Soleiman Kadkhoda Mohammadi Seyedali Mirjalili Laith Abualigah Department of Electrical Engineering Faculty of EngineeringJahrom UniversityJahrom***FrasIran Department of Electronics and Electrical Engineering Shiraz University of TechnologyShiraz***Iran Department of Electrical and Computer Engineering Tarbiat Modares UniversityTehran***Iran Department of Computer Engineering Sari BranchIslamic Azad UniversitySari***Iran Department of Electrical Engineering Urmia BranchIslamic Azad UniversityUrmia571696896Iran Centre for Artificial Intelligence Research and Optimisation Torrens University AustraliaBrisbaneQLD4006Australia Yonsei Frontier Lab Yonsei UniversitySeoul03722South Korea Computer Science Department Prince Hussein Bin Abdullah Faculty for Information TechnologyAl Al-Bayt UniversityMafraq25113Jordan Hourani Center for Applied Scientific Research Al-Ahliyya Amman UniversityAmman19328Jordan Faculty of Information Technology Middle East UniversityAmman11831Jordan School of Computer Sciences Universiti Sains Malaysia11800George TownPulau PinangMalaysia University Research and Innovation Center Obuda University1034BudapestHungary School of Engineering and Technology Sunway University MalaysiaPetaling Jaya27500Malaysia Applied science research center Applied science private universityAmman11931Jordan

The Firefly Algorithm(FA)is a highly efficient population-based optimization technique developed by mimicking the flashing behavior of fireflies when *** article proposes a method based on Differential Evolution(DE)/current-to-best/1 for enhancing the FA's movement *** proposed modification increases the global search ability and the convergence rates while maintaining a balance between exploration and exploitation by deploying the global best ***,employing the best solution can lead to premature algorithm convergence,but this study handles this issue using a loop adjacent to the algorithm's main ***,the suggested algorithm’s sensitivity to the alpha parameter is reduced compared to the original *** GbFA surpasses both the original and five-version of enhanced FAs in finding the optimal solution to 30 CEC2014 real parameter benchmark problems with all selected alpha ***,the CEC 2017 benchmark functions and the eight engineering optimization challenges are also utilized to evaluate GbFA’s efficacy and robustness on real-world problems against several enhanced *** all cases,GbFA provides the optimal result compared to other *** that the source code of the GbFA algorithm is publicly available at https://***/projects/gbfa.

关键词： Firefly algorithm New movement vector Global best-guided firefly algorithm Global optimization engineering design

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Langevin Equation in Heterogeneous Landscapes: How to Choose the Interpretation

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Physical Review Letters 2024年第6期133卷 067102-067102页

作者： Adrian Pacheco-Pozo Michał Balcerek Agnieszka Wyłomanska Krzysztof Burnecki Igor M. Sokolov Diego Krapf Department of Electrical and Computer Engineering and School of Biomedical Engineering Faculty of Pure and Applied Mathematics Hugo Steinhaus Center Institut für Physik and IRIS Adlershof

The Langevin equation is a common tool to model diffusion at a single-particle level. In nonhomogeneous environments, such as aqueous two-phase systems or biological condensates with different diffusion coefficients in different phases, the solution to a Langevin equation is not unique unless the interpretation of stochastic integrals involved is selected. We analyze the diffusion of particles in such systems and evaluate the mean, the mean square displacement, and the distribution of particles, as well as the variance of the time-averaged mean-square displacements. Our analytical results provide a method to choose the interpretation parameter from single-particle tracking experiments.

关键词： Brownian motion Diffusion Random walks Stochastic processes Liquid-liquid interfaces Langevin equation Stochastic differential equations

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Optimal Lot Size and Backordered Quantity Under Carbon Tax

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International Journal of applied and Computational mathematics 2024年第4期10卷 1-16页

作者： Raiya, Geetanjali Mittal, Mandeep Department of Mathematics Amity Institute of Applied Sciences Amity University Uttar Pradesh Noida 201313 India Department of Mathematics School of Computer Science Engineering and Technology Bennett University Uttar Pradesh Greater Noida India

Researchers and industry are working together to develop low carbon inventory models that comply with carbon pricing regulations while maintaining company profits. However, this task becomes more challenging when companies also face issues related to product quality imperfections. To address this issue, a new study has developed an economic order quantity (EOQ) model that takes into account carbon emission tax, defective rates, selling prices, imperfect items, scrap items and backordering. The objective of this mathematical model is reduce overall expenses, encompassing emissions-related costs. A numerical example is come up to adorn the model, based on previous data. Sensitivity analysis has also been performed to validate the model and understand system characteristics, identifying the factors that affect total emissions. © The Author(s), under exclusive licence to Springer Nature India Private Limited 2024.

关键词： Carbon tax Defective items EOQ Optimization Shortages

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Embedded Coded Relay System for Molecular Communications

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computers, Materials & Continua 2022年第8期72卷 2729-2748页

作者： Eman S.Attia Ashraf A.M.Khalaf Fathi E.Abd El-Samie Saied M.Abd El-atty Konstantinos A.Lizos Osama Alfarraj Farid Shawki Imran Khan Ki-Il Kim Department of Electrical Engineering Faculty of EngineeringMinia UniversityMiniaEgypt Department of Electronics and Electrical Communications Faculty of Electronic EngineeringMenoufia UniversityMenoufiaEgypt Department of Informatics Faculty of Mathematics and Natural SciencesUniversity of Oslo(UiO)Norway Computer Science Department Community CollegeKing Saud UniversityRiyadh11437Saudi Arabia Department of Electrical Engineering University of Engineering&TechnologyPeshawar814Pakistan Department of Computer Science and Engineering Chungnam National UniversityDaejeon34134Korea

With the emergence of the COVID-19 pandemic,the World Health Organization(WHO)has urged scientists and industrialists to exploremodern information and communication technology(ICT)as a means to reduce or even eliminate *** World Health Organization recently reported that the virus may infect the organism through any organ in the living body,such as the respiratory,the immunity,the nervous,the digestive,or the cardiovascular *** the abovementioned goal,we envision an implanted nanosystem embedded in the intra living-body *** main function of the nanosystem is either to perform diagnosis and mitigation of infectious diseases or to implement a targeted drug delivery system(i.e.,delivery of the therapeutic drug to the diseased tissue or targeted cell).The communication among the nanomachines is accomplished via communication-based molecular *** control/interconnection of the nanosystem is accomplished through the utilization of Internet of bio-nano things(IoBNT).The proposed nanosystem is designed to employ a coded relay nanomachine disciplined by the decode and forward(DF)principle to ensure reliable drug delivery to the targeted ***,both the sensitivity of the drug dose and the phenomenon of drug molecules loss before delivery to the target cell site in long-distance due to the molecules diffusion process are taken into *** this paper,a coded relay NM with conventional coding techniques such as RS and Turbo codes is selected to achieve minimum bit error rate(BER)performance and high signal-to-noise ratio(SNR),while the detection process is based on maximum likelihood(ML)probability and minimum error probability(MEP).The performance analysis of the proposed scheme is evaluated in terms of channel capacity and bit error rate by varying system parameters such as relay position,number of released molecules,relay and receiver *** results are validated through simulation and demonstrate that the proposed scheme can

关键词： Molecular communication nanonetwork internet of bio-nano things coded relay scheme coding

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Exploring the Usage of Mobile Phones in the Assessment Process: A Case Study 47

Exploring the Usage of Mobile Phones in the Assessment Proce...

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47th ICT and Electronics Convention, MIPRO 2024

作者： Kovačević, Željko Bubnic, Bostjan Kosar, Tomaž Zagreb University Of Applied Sciences Department Of Computer Science And Information Technology Zagreb Croatia University Of Maribor Faculty Of Electrical Engineering And Computer Science Maribor Slovenia

ISBN: (纸本)9798350382495

Technology is changing how students learn in the 21st century significantly. Integrating mobile devices in teaching, learning, and assessment processes has emerged as an important strategy for improving teaching methodologies and students' learning. However, adopting mobile devices presents several challenges, including understanding the students' performance, impact on time, and efficiency in the assessment process. This study explores this area with an empirical study of using mobile devices and compares the results to those using traditional desktop computers. In the educational environment, we investigated students' effective use while interacting with mobile and desktop versions of the Second Introductory programming summative assessment. Multinational/multi-institutional research involved a comparative analysis between two student groups undertaking identical tasks on mobile phones and desktop computers. Our results suggest that the students' results are not affected significantly by using the mobile version of the assessment application. These results highlight the usability of mobile devices as a flexible and effective tool for various educational applications, strengthening their role in the modern learning environment. © 2024 IEEE.

关键词： Object oriented programming

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Concurrent execution of phase compensation and automatic focusing procedures for telecentric off-axis Digital Holographic Microscopy 9

Concurrent execution of phase compensation and automatic foc...

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Quantitative Phase Imaging IX 2023

作者： Castañeda, R. Trujillo, C. Doblas, A. Department of Electrical and Computer Engineering The University of Memphis TN United States School of Applied Sciences and Engineering Universidad EAFIT Medellin Colombia

ISBN: (纸本)9781510658837

This contribution presents a joint phase compensation and autofocusing method for telecentric off-axis Digital Holographic Microscopy (DHM). Current challenges of off-axis DHM systems applied to in-vivo imaging are the automatic reconstruction of phase images without phase distortions while the specimens under research move within the volume, generating out-of-focus holograms. Although different proposals to tackle these challenges individually have been reported for static samples, in this proposal, both issues are solved concurrently with no additional user intervention. As a result, in-focus compensated phase images of the out-of-focus studied samples are obtained. The proposal has been validated using simulated data. © 2023 SPIE.

关键词： Holograms

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Maneuverability Improvement by Feedback Compensation of a Physically Human-Interacting Robot with Variable Damping Control

Maneuverability Improvement by Feedback Compensation of a Ph...

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18th IEEE International Conference on Advanced Motion Control, AMC 2024

作者： Songthumjitti, Narawich Inara, Takpeshi Graduate School of Tokai University Course of Electrical and Electronic Engineering Kanagawa Japan Tokai University Department of Applied Computer Engineering Kanagawa Japan

ISBN: (纸本)9798350342819

Manufacturing workflows can be enhanced using the implementation of robots;however, it is limited to repetitive tasks, and a human operator is still needed to gain flexibility in the robot's movement. However, human-robot interaction can cause instability due to the robot's characteristics. The typical solution is to decrease the admittance parameter, but it also reduces the assisting effectiveness. Variable damping is another way to counter this problem, but if the instability problem isn't solved yet, the effect can be difficult to perceive. Our study aims to implement feedback compensation in the robot system to reduce the effect of actuator dead time and insufficient structural stiffness. The results prove that the implementation of feedback compensation can greatly improve the maneuverability of the robot by decreasing the force required during the traveling phase and increasing accuracy in the positioning phase, resulting in a task that can be completed with less effort and a shorter operation time. © 2024 IEEE.

关键词： Human robot interaction

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Symmetric Matrix Completion with ReLU Sampling 41

Symmetric Matrix Completion with ReLU Sampling

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41st International Conference on Machine Learning, ICML 2024

作者： Liu, Huikang Wang, Peng Huang, Longxiu Qu, Qing Balzano, Laura Antai College of Economics and Management Shanghai Jiao Tong University China Department of Electrical Engineering and Computer Science University of Michigan United States Department of Computational Mathematics Science and Engineering Department of Mathematics Michigan State University United States

We study the problem of symmetric positive semidefinite low-rank matrix completion (MC) with deterministic entry-dependent sampling. In particular, we consider rectified linear unit (ReLU) sampling, where only positive entries are observed, as well as a generalization to threshold-based sampling. We first empirically demonstrate that the landscape of this MC problem is not globally benign: Gradient descent (GD) with random initialization will generally converge to stationary points that are not globally optimal. Nevertheless, we prove that when the matrix factor with a small rank satisfies mild assumptions, the nonconvex objective function is geodesically strongly convex on the quotient manifold in a neighborhood of a planted low-rank matrix. Moreover, we show that our assumptions are satisfied by a matrix factor with i.i.d. Gaussian entries. Finally, we develop a tailor-designed initialization for GD to solve our studied formulation, which empirically always achieves convergence to the global minima. We also conduct extensive experiments and compare MC methods, investigating convergence and completion performance with respect to initialization, noise level, dimension, and rank. © 2024 Proceedings of Machine Learning Research. All rights reserved.

关键词： Matrix factorization

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Optimal Resource Allocation for NOMA Wireless Networks

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computers, Materials & Continua 2023年第2期74卷 3249-3261页

作者： Fahad R.Albogamy M.A.Aiyashi Fazirul Hisyam Hashim Imran Khan Bong Jun Choi Turabah University College Computer Sciences ProgramTaif UniversityP.O.Box 11099Taif21944Saudi Arabia Department of Mathematics Jazan UniversityJazanP.O.Box 218Saudi Arabia Department of Computer and Communication Systems Engineering Faculty of EngineeringUniversiti Putra Malaysia(UPM)43400SerdangMalaysia Department of Electrical Engineering University of Engineering and Technology PeshawarP.O.Box 814Pakistan School of Computer Science and Engineering Soongsil UniversitySeoulKorea

The non-orthogonal multiple access(NOMA)method is a novel multiple access technique that aims to increase spectral efficiency(SE)and accommodate enormous user ***-user signals are superimposed and transmitted in the power domain at the transmitting end by actively implementing controllable interference information,and multi-user detection algorithms,such as successive interference cancellation(SIC),are performed at the receiving end to demodulate the necessary user *** its basic signal waveform,like LTE baseline,could be based on orthogonal frequency division multiple access(OFDMA)or discrete Fourier transform(DFT)-spread OFDM,NOMA superimposes numerous users in the power *** contrast to the orthogonal transmission method,the nonorthogonal method can achieve higher spectrum ***,it will increase the complexity of its *** power allocation techniques will have a direct impact on the system’s *** a result,in order to boost the system capacity,an efficient power allocation mechanism must be *** research developed an efficient technique based on conjugate gradient to solve the problem of downlink power *** major goal is to maximize the users’maximum weighted sum *** suggested algorithm’s most notable feature is that it converges to the global optimal *** compared to existing methods,simulation results reveal that the suggested technique has a better power allocation capability.

关键词： Non-orthogonalmultiple access wireless networks power domain 5G networks

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Secure and Efficient Color Image Cryptography Using Two Secret Keys 8th

Secure and Efficient Color Image Cryptography Using Two Sec...

引用

8th International Conference on Smart City Applications, SCA 2023

作者： Abu-Faraj, Mua’ad Al-Hyari, Abeer Alqadi, Ziad Department of Computer Information Systems The University of Jordan Aqaba77110 Jordan Electrical Engineering Department Al-Balqa Applied University As Salt19117 Jordan Computers and Networks Engineering Department Al-Balqa Applied University Amman15008 Jordan

ISBN: (纸本)9783031538230

The significance of digital color images in various applications necessitates the development of secure and efficient color image encryption techniques. This study presents a simple yet highly secure method for encrypting color images using dual secret keys, enhancing overall image security and safeguarding against hacking attempts. The first key generates index keys for encrypting and decrypting image segments, while the second key determines the starting point in the image_key and divides the unencrypted image into segments. These index keys are then employed to encrypt and decrypt the segments. Encryption and decryption of segments involve a straightforward process, distributing plain data based on the index key and retrieving decrypted data from encrypted data following the index key’s indices. The proposed method will be assessed and applied to various color images, with the results analyzed to demonstrate improvements in quality, sensitivity, and speed. The method’s speed will be compared with other techniques to highlight the acceleration offered by the proposed approach. © The Author(s), under exclusive license to Springer Nature Switzerland AG 2024.

关键词： Cryptography

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