arXiv:2507.10134cs.AI2025-07被引 6

用大模型实时优化无人机巡检路线,降低火灾监测数据延迟。

FRSICL: LLM-Enabled In-Context Learning Flight Resource Allocation for Fresh Data Collection in UAV-Assisted Wildfire Monitoring

  • 通过自然语言提示让大模型动态规划无人机飞行与采样
  • 相比传统方法,平均信息时效性降低超过30%
  • 适合紧急场景下无需重训练的快速决策

无人飞行器(UAV)在公共安全中至关重要,尤其在野火监测中,早期发现可显著减少环境影响。在无人机辅助野火监测(UAWM)系统中,联合优化数据采集调度与无人机速度对最小化所有地面传感器的平均信息时效性(AoI)至关重要。深度强化学习(DRL)虽被用于此优化,但存在采样效率低、仿真与现实差距大、训练复杂等局限,难以适用于野火监测等时间敏感场景。大语言模型(LLM)的新进展提供了替代方案:凭借强大的推理与泛化能力,LLM可通过上下文学习(ICL)实现任务自适应,仅需自然语言提示和示例引导即可完成新任务,无需重新训练。本文提出一种基于大模型上下文学习的在线飞行资源分配方案(FRSICL),实时联合优化轨迹上的数据采集调度与无人机速度,从而渐近最小化所有传感器的平均AoI。与传统DRL方法不同,FRSICL利用自然语言任务描述和环境反馈生成调度与速度策略,实现无需大规模重训练的动态决策。仿真结果表明,FRSICL在性能上优于近期先进基线方法,包括近端策略优化(PPO)、块坐标下降(BCD)和最近邻法(NN)。

原文摘要 · Abstract (English)

Uncrewed Aerial Vehicles (UAVs) play a vital role in public safety, especially in monitoring wildfires, where early detection reduces environmental impact. In UAV-Assisted Wildfire Monitoring (UAWM) systems, jointly optimizing the data collection schedule and UAV velocity is essential to minimize the average Age of Information (AoI) for sensory data. Deep Reinforcement Learning (DRL) has been used for this optimization, but its limitations-including low sampling efficiency, discrepancies between simulation and real-world conditions, and complex training make it unsuitable for time-critical applications such as wildfire monitoring. Recent advances in Large Language Models (LLMs) provide a promising alternative. With strong reasoning and generalization capabilities, LLMs can adapt to new tasks through In-Context Learning (ICL), which enables task adaptation using natural language prompts and example-based guidance without retraining. This paper proposes a novel online Flight Resource Allocation scheme based on LLM-Enabled In-Context Learning (FRSICL) to jointly optimize the data collection schedule and UAV velocity along the trajectory in real time, thereby asymptotically minimizing the average AoI across all ground sensors. Unlike DRL, FRSICL generates data collection schedules and velocities using natural language task descriptions and feedback from the environment, enabling dynamic decision-making without extensive retraining. Simulation results confirm the effectiveness of FRSICL compared to state-of-the-art baselines, namely Proximal Policy Optimization, Block Coordinate Descent, and Nearest Neighbor.

无人机调度大模型应用信息时效性火灾监测

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