LArcNet: Lightweight Neural Network for Real-Time Series AC Arc Fault Detection

IF 7.9 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC
Kamal Chandra Paul;Chen Chen;Yao Wang;Tiefu Zhao
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引用次数: 0

Abstract

Detecting series ac arc faults in diverse residential loads is challenging due to variations in load characteristics and noise. While traditional artificial intelligence-based algorithms can be effective, they often involve high computational complexity, limiting their real-time implementation on resource-constrained edge devices. This article introduces lightweight arc fault detection network (LArcNet), a novel, lightweight, and rapid-response algorithm for series ac arc fault detection. LArcNet combines a teacher–student knowledge distillation approach with an efficient convolutional neural network architecture to achieve high accuracy with minimal computational demand. This streamlined yet robust design makes LArcNet ideally suited for resource-constrained embedded systems, achieving an arc fault detection accuracy of 99.31%. The model is optimized and converted into TensorFlow Lite format to reduce size and latency, enabling deployment on low-power embedded devices such as the Raspberry Pi and the STM32 microcontrollers. Test results demonstrate LArcNet's inference times of just 0.20 ms on the Raspberry Pi 4B and 3 ms on the STM32H743ZI2, surpassing other leading models in operational speed while maintaining competitive accuracy in arc fault detection.
LArcNet:用于实时串联交流电弧故障检测的轻量级神经网络
由于负载特性和噪声的变化,在各种住宅负载中检测串联交流电弧故障具有挑战性。虽然传统的基于人工智能的算法是有效的,但它们通常涉及高计算复杂性,限制了它们在资源受限的边缘设备上的实时实现。本文介绍了一种新颖、轻量、快速响应的串联交流电弧故障检测算法——轻型电弧故障检测网络(LArcNet)。LArcNet将师生知识蒸馏方法与高效的卷积神经网络架构相结合,以最小的计算需求实现高精度。这种精简而坚固的设计使LArcNet非常适合资源受限的嵌入式系统,实现了99.31%的电弧故障检测精度。该模型经过优化并转换为TensorFlow Lite格式,以减小尺寸和延迟,从而可以部署在低功耗嵌入式设备上,如树莓派和STM32微控制器。测试结果表明,LArcNet在Raspberry Pi 4B上的推断时间仅为0.20 ms,在STM32H743ZI2上的推断时间仅为3 ms,在运行速度上超过其他领先型号,同时在电弧故障检测方面保持具有竞争力的准确性。
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CiteScore
13.50
自引率
0.00%
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