Results 1 to 10 of about 5,174 (206)

MSI-HHO: Multi-Strategy Improved HHO Algorithm for Global Optimization

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.
Qingtao Pan, Haosen Wang
exaly   +5 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   +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

Effect of HHO addition on combustion and emission in SI engine with butanol direct injection and gasoline port injection

open access: yesCase Studies in Thermal Engineering, 2023
As a renewable biofuel fuel with similar properties to gasoline, butanol can not only reduce the consumption of fossil energy, but also effectively improve the performance of engine.
Zhe Zhao   +7 more
doaj   +1 more source

Binary Harris Hawk Optimization and Its Feature Selection Algorithm [PDF]

open access: yesJisuanji kexue, 2023
Harris Hawk optimization(HHO) algorithm only uses the random strategy to initialize the population in the exploration stage,which decreases the population diversity.The escape energy that controls the linear variation of the development and exploration ...
SUN Lin, LI Mengmeng, XU Jiucheng
doaj   +1 more source

Optimal water supply reservoir operation by leveraging the meta-heuristic Harris Hawks algorithms and opposite based learning technique

open access: yesScientific Reports, 2023
To ease water scarcity, dynamic programming, stochastic dynamic programming, and heuristic algorithms have been applied to solve problem matters related to water resources. Development, operation, and management are vital in a reservoir operating policy,
V. Lai   +5 more
doaj   +1 more source

A Novel Harris-Hawk-Optimization-Based Maximum-Power-Point-Tracking Control Strategy for a Grid-Connected PV Power-Generation System

open access: yesEnergies, 2023
This paper aims to assess the efficacy of the Harris Hawk Optimization (HHO) algorithm within the domain of photovoltaic (PV) power-generation systems. The focus lies in elucidating how the HHO algorithm optimizes maximum-power-point tracking (MPPT) and ...
Xiang Tao   +7 more
doaj   +1 more source

Olifants River Bridge Widening

open access: yesMATEC Web of Conferences, 2018
The Olifants River Bridge B3611 carries the N11 over the Olifants River, just North of the Loskop Dam. This structure was originally built in 1979 and was recently widened as part of the South African Roads Agency Limited (SANRAL)’s upgrade to the N11 ...
Rowan Andrew, Thomson Les
doaj   +1 more source

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