The Krill Herd Algorithm (KHA): Mimicking Nature’s Collective Intelligence for Optimization

Introduction

Everton Gomede, PhD
The Modern Scientist
6 min readAug 20, 2023

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The world of optimization has witnessed a remarkable expansion with the introduction of bio-inspired algorithms that draw inspiration from the behavior of natural systems. One such innovative algorithm that has gained attention is the Krill Herd Algorithm (KHA), a swarm optimization technique modeled after the collective behavior of krill swarms. This essay delves into the principles, mechanics, applications, and significance of the Krill Herd Algorithm in the realm of optimization.

Principles and Mechanics of KHA

The Krill Herd Algorithm, inspired by the social behavior of krill — small, planktonic crustaceans — emulates their ability to collaborate, communicate, and navigate within their environment. KHA operates through a population of krill individuals, each representing a potential solution to an optimization problem. These individuals adjust their positions and attributes based on their own characteristics and the interactions with other individuals within the swarm.

The algorithm’s core mechanics are rooted in three fundamental aspects:

  1. Movements and Interactions: Krill individuals adjust their positions in the solution space through a…

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Everton Gomede, PhD
The Modern Scientist

Postdoctoral Fellow Computer Scientist at the University of British Columbia creating innovative algorithms to distill complex data into actionable insights.