採餌ロボット群のための適応的反発フェロモンクラスタリング
Adaptive Repulsive Pheromone Clustering for Foraging Robot Swarms
ロボット群の採餌効率を高めるため、探索済み領域に反発フェロモンを配置して未探索領域へ誘導する適応的反発フェロモンクラスタリング(ARPC)を提案し、シミュレーションで既存手法より優れた性能を示した。
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著者: Carlos Pena-Caballero, Constantine Tarawneh, Qi Lu
分類: cs.RO
原文アブストラクト
The Central Place Foraging Algorithm (CPFA) combines site fidelity, pheromone-guided navigation, and uninformed random search to enable decentralized resource collection in robot swarms. However, CPFA often revisits previously explored regions while leaving other areas insufficiently searched, reducing efficiency as resources become scarce. In this paper, we propose Adaptive Repulsive Pheromone Clustering (ARPC), a bio-inspired method in which robots deposit repulsive pheromone waypoints to mark previously explored locations. These waypoints are clustered around the nest to estimate low-value search regions, allowing robots to be redirected toward likely unvisited areas. By integrating the exploitation of known resources with systematic avoidance of redundant exploration, ARPC improves search diversity and resource discovery efficiency. Extensive simulations in ARGoS across varying arena sizes, resource densities, and clustered, random, and power-law spatial distributions demonstrate that ARPC consistently outperforms CPFA and the Grid-Based CPFA (GPFA). In particular, ARPC yields significant gains during both early discovery (10\%) and late-stage (up to 60\%) collection, where conventional methods typically degrade. These results indicate that ARPC provides a scalable and robust strategy for large-scale heterogeneous swarm foraging environments.