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MSI-HHO: Multi-Strategy Improved HHO Algorithm for Global Optimization [PDF]

open access: yesMathematics
The Harris Hawks Optimization algorithm (HHO) is a sophisticated metaheuristic technique that draws inspiration from the hunting process of Harris hawks, which has gained attention in recent years.
Haosen Wang, Qingtao Pan
exaly   +5 more sources

Problems encountered by teenage mothers in the Southern Hho-Hho region of Swaziland [PDF]

open access: yesHealth SA Gesondheid: Journal of Interdisciplinary Health Sciences, 2003
A qualitative, explorative, descriptive and contextual research approach was followed to study the problems experiencedby teenage mothers in the southern Hho-Hho region of Swaziland.
Lovegirl S Dlamini   +2 more
doaj   +4 more sources

Principle of generator HHO hybrid multistack type production technologies to increase HHO gas volume [PDF]

open access: yesSHS Web of Conferences, 2018
Hydrogen isclassified as New Energy and also considered as the most promising transportation fuel candidate in the future. Various pilots test of hydrogen fuel cell vehicles by the world's leading automotive industries since the last 50 years have begun ...
Sudrajat Ajat   +3 more
doaj   +4 more sources

Bibliometric Analysis of HHO Gas Production by Electrolysis from 2013 to 2023 [PDF]

open access: yesJurnal Presipitasi, 2023
HHO gas is one promising alternative as an alternative for fossil fuels, nevertheless, several challenges need to be overcome in order for HHO gas to become a viable option for global use.
Purwono Purwono   +3 more
doaj   +3 more sources

Development and evaluation of hybrid harris hawks optimization algorithms for advanced engineering applications [PDF]

open access: yesScientific Reports
Harris Hawk Optimizer (HHO) is a recent revolutionary algorithm developed in the literature that simulates the cooperative hunting behaviour of Parabuteo Unicinctus.
Himanshu Sharma   +5 more
doaj   +2 more sources

HHO-gasoline hybrid motorcycle

open access: yesTạp chí Khoa học và Công nghệ
Supplementing HHO into gasoline is an effective solution for improving combustion processes and reducing greenhouse gas emissions in motorcycle engines.
Nguyen Le Chau Thanh   +3 more
doaj   +2 more sources

An improved harris hawks optimization algorithm based on chaotic sequence and opposite elite learning mechanism.

open access: yesPLoS ONE, 2023
The Harris hawks optimization (HHO) algorithm is a new swarm-based natural heuristic algorithm that has previously shown excellent performance. However, HHO still has some shortcomings, which are premature convergence and falling into local optima due to
Ting Yang   +4 more
doaj   +2 more sources

Taguchi-based design of experiments to optimize the parameters of Hydrogen-Hydrogen-Oxygen based welding

open access: yesJurnal Ilmiah SINERGI, 2022
This study discusses the design of a hydrogen-hydrogen-oxygen (HHO) based welding tool, which uses the concept of water electrolysis through a dry cell generator.
Desi Fajarwati, Deni Shidqi Khaerudini
doaj   +1 more source

Experimental Investigation for Improving Performance and Emissions of Gasoline Engine by Adding HHO Gas [PDF]

open access: yesPort Said Engineering Research Journal, 2023
Decreasing the emission pollution linked with petrol combustion is gaining a great interest world-wide. Lately, HHO has been inserted to internal combustion engines as a novel clean source of energy.
Mohammed Said Farag
doaj   +1 more source

DMPA-HHO: A Hybrid MPA-HHO optimizer with Dynamic Opposite Learning

open access: yes, 2022
Abstract A new hybrid algorithm is proposed by incorporating Harris Hawks Optimization with Marine Predators algorithm and dynamic Opposition-based learning, namely DMPA-HHO. In the algorithm, the problem is addressed that Harris Hawks Optimization (HHO) tends to fall into local optima and low accuracy of the solution. Dynamic Opposite Learning
Shoubao Su   +3 more
openaire   +1 more source

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