arXiv:2606.04158cs.RO2026-06

多智能体协同选最佳视角,兼顾安全与通信效率。

Multi-Agent Next-Best-View Optimization for Risk-Averse Planning

论文配图:Multi-Agent Next-Best-View Optimization for Risk-Averse Planning
图 1 · 摘自论文原文
  • 各机器人本地维护3D高斯点云地图,通过共识优化协同决策
  • 通信量降为集中式方案的千分之一,地图质量和路径安全接近最优
  • 适用于大规模多机器人协作,尤其适合未知环境下的安全探索

在不确定且未知环境中进行安全路径规划,需高效、安全地协调多智能体的下一步最佳观测点(NBV)。集中式方法依赖原始传感器数据共享或高通信开销,扩展性受限。本文提出一种分布式、风险敏感的多智能体NBV框架:每个机器人维护私有的局部3D高斯点云(3DGS)地图,团队联合最大化沿规划轨迹的掩码区域期望信息增益(EIG)。分布式目标通过通信图上的共识交替方向乘子法(C-ADMM)求解,仅交换候选视角、轨迹描述和标量EIG贡献。每条轨迹的碰撞风险基于局部3DGS地图上的平均值在风险(AV@R)建模,并用于调整掩码半径及路径评分。在Gibson环境中不同规模团队的实验表明,该方法在地图质量与路径安全性上逼近集中式基线,同时通信量降低数个数量级。

原文摘要 · Abstract (English)

Multi-agent Next-Best-View (NBV) selection for safe path planning in uncertain and unknown environments requires informative, safety-aware, and efficient coordination. Centralized approaches rely on sharing raw sensor data or significant communication overhead, resulting in limited scalability. We propose a distributed, risk-aware multi-agent NBV framework in which each robot maintains a private local 3D Gaussian Splatting map and the team jointly maximizes expected information gain (EIG) restricted to masked zones along planned trajectories. The resulting distributed objective is solved by Consensus ADMM (C-ADMM) over a communication graph, with each robot exchanging only candidate viewpoints, planned trajectory descriptors, and scalar EIG contributions. Collision risk along each trajectory is modeled via Average Value-at-Risk (AV@R) over the local 3DGS map and used both to shape the masking radius and to score planned paths. Experiments in Gibson environments at multiple team sizes show that the distributed formulation approaches the centralized baseline in mapping quality and trajectory safety while reducing communication by orders of magnitude.

多智能体路径规划3D重建风险感知

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