25 Hits in 11.5 sec

Joint Operation between a PSO-Based Global MPP Tracker and a PV Module Array Configuration Strategy under Shaded or Malfunctioning Conditions

Pi-Yun Chen, Kuei-Hsiang Chao, Bo-Jyun Liao
2018 Energies  
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  ...  Once an abnormal operation is detected, the presented smart configuration algorithm is performed to reconfigure the PV module array such that the array is operated at the global MPP as intended.  ...  Acknowledgments: The authors gratefully acknowledge the support of the Ministry of Science and Technology, Taiwan, under the Grant Number MOST 106-2221-E-167-013-MY2.  ... 
doi:10.3390/en11082005 fatcat:l64m35wfpff53b6elasfuek4uq

A state-of-the-art review on conventional, soft computing, and hybrid techniques for shading mitigation in photovoltaic applications

Nikhil Kumar, Savita Nema, Rajesh K. Nema, Deepak Verma
2020 International Transactions on Electrical Energy Systems  
This article intends to present a compendious review to extract maximum power in solar photovoltaic (PV) systems under varying environmental conditions and partial shading conditions by enumerating various  ...  As every algorithm is associated with its own merits and demerit, hence an extensive literature survey is required while planning for PV generating station under normal and partial shading condition.  ...  Proposed scheme tracks the global MPP very accurately under partial shading condition.  ... 
doi:10.1002/2050-7038.12420 fatcat:mtmsbv3r5bderej3ss6pttmfma

Optimizing Maximum Power Point Tracking on Photovoltaic Arrays using Ant Colony Optimization and Particle Swarm Optimization Algorithms

Fuad Hasan, Hadi Suyono, Abraham Lomi
Sistem Maximum Power Point Tracking (MPPT) diperlukan untuk mengoptimalkan produksi listrik PV.  ...  Hasil percobaan menunjukkan bahwa algoritma ACO memberikan efisiensi rata-rata keseluruhan yang lebih baik daripada PSO,  ...  The MPPT problem under partial shadow becomes an optimization problem. The metaheuristic algorithm can obtain global peaks using a randomization number to avoid local peaks.  ... 
doi:10.31328/jsae.v5i1.3263 fatcat:shhrprwvwnb5lbafb5izecx32q

Photovoltaic array reconfiguration system for maximizing the harvested power using population-based algorithms

Thanikanti Sudhakar Babu, Dalia Yousri, Karthik Balasubramanian
2020 IEEE Access  
Furthermore, the presented PV characteristics show a reduced number of multiple peaks in the system.  ...  Partial shading, nevertheless, is an essential problem which affects the productivity and life of PV plants. PV reconfiguration is known as a powerful technique to resolve this effect.  ...  The FRA-reconfiguration technique gives a solid solution for the effect of partial shading even under fast and dynamic change in irradiation conditions. B.  ... 
doi:10.1109/access.2020.3000988 fatcat:ds2r2notqvczxa76d56y46xxgm

Reconfiguration of Partially Shaded Photovoltaic Arrays

Ling Chen, Wei Han, Yuhui Huang, Xiang Cao, Zikun Xu
2019 European Journal of Electrical Engineering  
Partial shading suppresses the output voltage and current of photovoltaic (PV) array, reduces the array efficiency and even causes the hot spot effect.  ...  To alleviate these negative effects, this paper proposes a new model of partially shaded PV arrays with different structures, and explores the effects of shading on the output features.  ...  ACKNOWLEDGMENT This paper is supported by Natural Science Research Program of Huai'an Municipality (Grant No. HAB201831).  ... 
doi:10.18280/ejee.210406 fatcat:vmzahpoycbgtpm2a4thwtngvha

Particle Swarm Optimization: A Survey of Historical and Recent Developments with Hybridization Perspectives

Saptarshi Sengupta, Sanchita Basak, Richard Peters
2018 Machine Learning and Knowledge Extraction  
This paper serves to provide a thorough survey of the PSO algorithm with special emphasis on the development, deployment, and improvements of its most basic as well as some of the very recent state-of-the-art  ...  Particle Swarm Optimization (PSO) is a metaheuristic global optimization paradigm that has gained prominence in the last two decades due to its ease of application in unsupervised, complex multidimensional  ...  Acknowledgements This work was made possible by the financial and computing support by the Vanderbilt University Department of EECS.  ... 
doi:10.3390/make1010010 fatcat:ue65xvqyk5hovlzo6gzok524pm

Applications of Metaheuristic Algorithms in Solar Air Heater Optimization: A Review of Recent Trends and Future Prospects

Jean De Dieu Niyonteze, Fumin Zou, Godwin Norense Osarumwense Asemota, Walter Nsengiyumva, Noel Hagumimana, Longyun Huang, Aphrodis Nduwamungu, Samuel Bimenyimana
2021 International Journal of Photoenergy  
Based on the past literature and on the outcomes of this paper, ETLBO is unquestionably more competitive than ABC, GA, PSO, SA, and TLBO for the optimization of SAHs for the same considered problem.  ...  Thus, researchers can use this paper for further research and for the advancement of the proposed and other recommended algorithms to generate the best performance for the various SAHs.  ...  Acknowledgments The authors highly acknowledge the supporting ideas of Ferdinand Niyonyungu (University of Kansas) during the process of this paper.  ... 
doi:10.1155/2021/6672579 doaj:ba583f3631684e64b3d44085806ca4ac fatcat:3qqbwmbrc5dlfjnlkszzlizvj4

Analysis of Aperture Shape Changing Trend Base on the Shaped Charge Jet Penetration through the Steel Target [chapter]

Junqing Huang, Yalong Ma, Kelei Huang, Jianxun Zhao
2012 Communications in Computer and Information Science  
The effect of our proposed controller with respect to reduce an under damping for two-inertia model system is also verified.  ...  The results of simulation experiments have shown that GEI is better for the evaluation of track irregularity than TQI.  ...  Partial shading instances are very common in photovoltaic (PV) systems.  ... 
doi:10.1007/978-3-642-34384-1_2 fatcat:xvp3o6agk5hxpmbjptnthxiz5m


2020 2020 IEEE International Conference on Consumer Electronics - Taiwan (ICCE-Taiwan)  
The results show a 7dBm reduction of the peak power level with a frequency deviation of 10%, demonstrating that the driver effectively reduces peak power and EMI.  ...  Finally, a velocity parameter estimation scheme based on self-adaptive traffic flow velocity is employed to assess traffic condition.  ...  In this paper, we propose a novel unsigned fixed-width multiplier design. The main advantage of the proposed architecture is that it uses a simple yet accurate method for error correction.  ... 
doi:10.1109/icce-taiwan49838.2020.9258230 fatcat:g25vw7mzvradxna2grlzp6kgiq

Engineering, Technology & Applied Science Research (ETASR), Vol. 12, No. 1, pp. 7974-8227

2022 Zenodo  
The table of contents for this issue can be found at: For more info visit the journal's site at:  ...  ), and has been awarded a DOAJ seal.  ...  Lympertos for providing background information regarding the available geospatial data of the power distribution network of Patras Area.  ... 
doi:10.5281/zenodo.6369694 fatcat:nvdnhvh53rcvhiic5lij7azjka

Study for Non-uniform Aging Photovoltaic Array Performance Enhancements

Mohammed Alkahtani
It has been suggested as an approach for managing obstacles in global MPP tracking under shading conditions.  ...  Still, the ability for optimization of a whole PV array is yet to be fully established. A second approach involves reconfiguring PV arrays to increase their efficiencies under fault conditions.  ... 
doi:10.17638/03134510 fatcat:ujzfsemgbvdx3bbyvassid3vxy

Engineering, Technology & Applied Science Research (ETASR), Vol. 12, No. 2, pp. 8228-8481

2022 Zenodo  
The table of contents for this issue can be found at: For more info visit the journal's site at:  ...  ), and has been awarded a DOAJ seal.  ...  ACKNOWLEDGMENT This research work was funded by the Institutional Fund Projects under grant no. IFPIP: 610-829-1442.  ... 
doi:10.5281/zenodo.6509470 fatcat:nn7pi5ec35gzplz6ewln2lbbrm

Full Paper JTD Vol. 16 No.1 Juni 2018

Redaksi Jurnal
2018 Jurnal Teknologi Dirgantara  
ACKNOWLEDGEMENTS Authors wish to acknowledge Satellite Technology Center, LAPAN, for supporting this research, and Mr.  ...  Adaptive perturb and observe algorithm for photovoltaic maximum power point tracking.  ...  doi: 2.009 Bidram, A., Davoudi, A., & Balog, R. S. (2012). Control and Circuit Techniques to Mitigate Partial Shading Effects in Photovoltaic Arrays.  ... 
doi:10.30536/j.jtd.2018.v16.a3019 fatcat:shk2qsiblzbt3jeyextyzdmg3u


2022 2022 International Conference on Decision Aid Sciences and Applications (DASA)  
A maximum of 92.90% classification accuracy is obtained using the features of IMF-4 with 10-fold cross-validation. The results conclude that the proposed method can detect AD patients efficiently.  ...  Each EEG signal is decomposed using the empirical mode decomposition (EMD) algorithm into nine Intrinsic mode functions (IMFs). Ten different features are extracted from these IMFs.  ...  COVID-19 was declared as a pandemic which was a global health crisis. We are now in the year 2021, but normalcy has yet to return, and many parts of the country remain in lockdown.  ... 
doi:10.1109/dasa54658.2022.9765271 fatcat:ttqppf4j3navnaxe653mrzmezi


Kifilideen Lekan Osanyinpeju
2022 Zenodo  
The Kifilideen general term formula to determine the term of a given power combination was also originated.  ...  helps to determine the terms in the kif expansion of trinomial expression of positive power of n.  ...  ACKNOWLEDGMENTS ''The Authors'' will like to acknowledge and appreciate members and staff of Structures and Concrete Laboratory of the Department of Civil Engineering, Ahmadu Bello University, Zaria for  ... 
doi:10.5281/zenodo.6409368 fatcat:h2mofg25dna6lavjhupclnkhxq
« Previous Showing results 1 — 15 out of 25 results