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Updated: Aug 9, 2025

Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
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An improved harris hawks optimization algorithm based on chaotic sequence and opposite elite learning mechanism.

Ting Yang1, Jie Fang1, Chaochuan Jia2,3

  • 1College of Electronic and Optoelectronic Engineering, West Anhui University, Lu'an, China.

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|February 22, 2023
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Summary
This summary is machine-generated.

A new Harris Hawks Optimization (HHO) variant, HHO-CS-OELM, improves global and local search. This algorithm overcomes premature convergence and local optima issues in swarm intelligence optimization.

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Area of Science:

  • Computational Intelligence
  • Optimization Algorithms
  • Swarm Intelligence

Background:

  • The Harris Hawks Optimization (HHO) algorithm is a nature-inspired swarm intelligence algorithm.
  • HHO suffers from premature convergence and local optima due to exploration-exploitation imbalance.

Purpose of the Study:

  • To propose a novel HHO variant, HHO-CS-OELM, addressing HHO's limitations.
  • To enhance both global and local search capabilities of the HHO algorithm.

Main Methods:

  • Incorporated a chaotic sequence to improve population diversity and global search.
  • Introduced an opposite elite learning mechanism for enhanced local search and maintaining optimal individuals.
  • Balanced exploration and exploitation phases throughout the optimization process.

Main Results:

  • The HHO-CS-OELM algorithm demonstrated superior performance.
  • Outperformed 14 other optimization algorithms on 23 benchmark functions.
  • Showcased effectiveness on a complex engineering problem.

Conclusions:

  • HHO-CS-OELM effectively overcomes the premature convergence and local optima issues of the standard HHO algorithm.
  • The proposed variant offers a balanced approach to exploration and exploitation.
  • HHO-CS-OELM represents a significant advancement over existing state-of-the-art swarm intelligence algorithms.