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An Enhanced Artificial Lemming Algorithm and Its Application in UAV Path Planning.

Xuemei Zhu¹, Chaochuan Jia², Jiangdong Zhao¹

¹Experimental Training Teaching Management Department, West Anhui University, Yu'an District, Lu'an 237012, China.

Biomimetics (Basel, Switzerland)

|June 25, 2025

Summary

This summary is machine-generated.

An enhanced artificial lemming algorithm (EALA) improves unmanned aircraft system (UAS) path planning. This advanced method ensures safer, faster, and more efficient flight path generation in complex 3D environments.

Keywords:

3D trajectory optimization UAV path planning adaptive mutation artificial lemming algorithm chaotic initialization metaheuristic optimization

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Area of Science:

Artificial Intelligence
Robotics
Aerospace Engineering

Background:

Unmanned aircraft system (UAS) path planning in 3D environments presents significant computational challenges.
Existing algorithms often struggle with complex obstacle avoidance and optimizing multiple path objectives simultaneously.

Purpose of the Study:

To introduce an Enhanced Artificial Lemming Algorithm (EALA) for superior UAS path planning.
To improve exploration-exploitation balance and local refinement in optimization algorithms.

Main Methods:

Incorporation of chaotic initialization, adaptive perturbation, and hybrid mutation into the Artificial Lemming Algorithm (ALA).
Validation using IEEE CEC2017 and CEC2022 benchmark functions.
Application to large- and medium-scale 3D UAS path planning scenarios with realistic constraints.

Main Results:

EALA demonstrated faster convergence and superior performance compared to standard ALA and 10 other algorithms on benchmark functions.
EALA generated Pareto-optimal paths minimizing length, curvature, and computation time.
Collision-free paths were guaranteed even with complex obstacle configurations.

Conclusions:

The EALA offers a significant advancement in UAS path planning capabilities.
The algorithm is highly effective for mission-critical applications demanding stringent safety and time adherence.
EALA provides a robust solution for complex, real-world UAS operational environments.