PRIMER: 知覚を考慮したロバスト学習ベースのマルチエージェント軌道計画
PRIMER: Perception-Aware Robust Learning-based Multiagent Trajectory Planner
不確実な環境で衝突回避と軌道調整を行う知覚考慮型マルチエージェント計画法PARM/PARM*を提案し、さらにPARM*を模倣学習の専門家として用いた高速な学習ベース計画法PRIMERを開発した。
著者: Kota Kondo, Claudius T. Tewari, Andrea Tagliabue, Jesus Tordesillas, Parker C. Lusk, Mason B. Peterson, Jonathan P. How
分類: cs.RO, cs.LG
原文アブストラクト
In decentralized multiagent trajectory planners, agents need to communicate and exchange their positions to generate collision-free trajectories. However, due to localization errors/uncertainties, trajectory deconfliction can fail even if trajectories are perfectly shared between agents. To address this issue, we first present PARM and PARM*, perception-aware, decentralized, asynchronous multiagent trajectory planners that enable a team of agents to navigate uncertain environments while deconflicting trajectories and avoiding obstacles using perception information. PARM* differs from PARM as it is less conservative, using more computation to find closer-to-optimal solutions. While these methods achieve state-of-the-art performance, they suffer from high computational costs as they need to solve large optimization problems onboard, making it difficult for agents to replan at high rates. To overcome this challenge, we present our second key contribution, PRIMER, a learning-based planner trained with imitation learning (IL) using PARM* as the expert demonstrator. PRIMER leverages the low computational requirements at deployment of neural networks and achieves a computation speed up to 5500 times faster than optimization-based approaches.
