用可解释AI增强多机器人系统的监督控制,兼顾安全与效率。
Explainable AI-Enhanced Supervisory Control for Robust Multi-Agent Robotic Systems
- 结合时序自动机与鲁棒控制器实现安全模式切换和精准控制。
- 航天器任务中跟踪误差降低81.4%,能耗减少21.7%。
- 适合对安全性与可解释性要求高的资源受限机器人系统。
我们提出一种可解释AI增强的多智能体机器人监督控制框架,包含(i)基于时序自动机的安全、可审计模式切换机制,(ii)鲁棒连续控制(基于李雅普诺夫的控制器用于大角度机动;带边界层的滑模控制器(SMC)用于精度与抗扰),以及(iii)可解释预测器,将任务上下文映射为控制参数与预期性能(能耗、误差)。蒙特卡洛驱动优化生成训练数据,支持透明实时权衡。在航天器编队飞行与自主水下航行器(AUV)两个不同场景中验证。尽管环境差异显著(重力/执行器偏差 vs. 水动力阻力/洋流),两者均具不确定的六自由度(6-DOF)刚体动力学、相对运动与高精度跟踪需求,具有代表性。在航天任务中,监督逻辑选择满足任务标准的参数;在AUV领航-跟从测试中,相同结构的SMC在随机洋流下保持固定间距,稳态误差有界。航天验证中,SMC实现亚毫米级对齐,跟踪误差较比例微分(PD)控制器基线降低21.7%,能耗降低81.4%。同时,AUV测试中SMC在随机洋流下维持有界误差。结果表明该方法在安全关键、资源受限的多智能体机器人系统中具备良好可迁移性与可解释性。
原文摘要 · Abstract (English)
We present an explainable AI-enhanced supervisory control framework for multi-agent robotics that combines (i) a timed-automata supervisor for safe, auditable mode switching, (ii) robust continuous control (Lyapunov-based controller for large-angle maneuver; sliding-mode controller (SMC) with boundary layers for precision and disturbance rejection), and (iii) an explainable predictor that maps mission context to gains and expected performance (energy, error). Monte Carlo-driven optimization provides the training data, enabling transparent real-time trade-offs. We validated the approach in two contrasting domains, spacecraft formation flying and autonomous underwater vehicles (AUVs). Despite different environments (gravity/actuator bias vs. hydrodynamic drag/currents), both share uncertain six degrees of freedom (6-DOF) rigid-body dynamics, relative motion, and tight tracking needs, making them representative of general robotic systems. In the space mission, the supervisory logic selects parameters that meet mission criteria. In AUV leader-follower tests, the same SMC structure maintains a fixed offset under stochastic currents with bounded steady error. In spacecraft validation, the SMC controller achieved submillimeter alignment with 21.7% lower tracking error and 81.4% lower energy consumption compared to Proportional-Derivative PD controller baselines. At the same time, in AUV tests, SMC maintained bounded errors under stochastic currents. These results highlight both the portability and the interpretability of the approach for safety-critical, resource-constrained multi-agent robotics.
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