arXiv:2511.05467cs.CV2025-11被引 3

用神经形态传感器实时识别沸腾流态,响应快精度高。

EventFlow: Real-Time Neuromorphic Event-Driven Classification of Two-Phase Boiling Flow Regimes

  • 基于事件驱动的神经形态传感器捕捉动态流动特征。
  • 最快0.28毫秒处理,准确率达97.6%。
  • 适合需要低延迟反馈的热管理与实验控制场景。

流动沸腾是一种高效的传热机制,可高效散热并保持温度稳定,但流型突变会破坏热性能与系统可靠性,亟需精确、低延迟的实时监测。传统光学成像方法受限于高算力需求和不足的时间分辨率,难以捕捉瞬态流动行为。为此,我们提出一种基于神经形态传感器信号的实时流型分类框架。该传感器在像素级检测亮度变化,通常对应边缘运动,无需完整帧重建即可实现快速高效检测,提供事件驱动信息。我们构建了五种分类模型,对比传统图像数据与事件数据,结果表明事件数据模型更敏感于动态特征,表现更优。其中,基于事件的长短期记忆模型在准确率与速度间取得最佳平衡,达到97.6%准确率,处理时间仅0.28毫秒。异步处理流水线支持连续低延迟预测,并通过多数投票机制保证输出稳定,实现实验控制与智能热管理的可靠实时反馈。

原文摘要 · Abstract (English)

Flow boiling is an efficient heat transfer mechanism capable of dissipating high heat loads with minimal temperature variation, making it an ideal thermal management method. However, sudden shifts between flow regimes can disrupt thermal performance and system reliability, highlighting the need for accurate and low-latency real-time monitoring. Conventional optical imaging methods are limited by high computational demands and insufficient temporal resolution, making them inadequate for capturing transient flow behavior. To address this, we propose a real-time framework based on signals from neuromorphic sensors for flow regime classification. Neuromorphic sensors detect changes in brightness at individual pixels, which typically correspond to motion at edges, enabling fast and efficient detection without full-frame reconstruction, providing event-based information. We develop five classification models using both traditional image data and event-based data, demonstrating that models leveraging event data outperform frame-based approaches due to their sensitivity to dynamic flow features. Among these models, the event-based long short-term memory model provides the best balance between accuracy and speed, achieving 97.6% classification accuracy with a processing time of 0.28 ms. Our asynchronous processing pipeline supports continuous, low-latency predictions and delivers stable output through a majority voting mechanisms, enabling reliable real-time feedback for experimental control and intelligent thermal management.

流体监测神经形态实时系统热管理

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