利用数据增强技术,通过小波和扫描图分析提高智能家电识别能力

IF 5.8 2区 计算机科学 Q1 COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE
José L. Salazar-González, José María Luna-Romera, Manuel Carranza-García, Juan A. Álvarez-García, Luis M. Soria-Morillo
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引用次数: 0

摘要

摘要 智能家居的发展,配备了连接到物联网(IoT)的设备,为监测和控制能源消耗提供了新的可能性。在此背景下,非侵入式负载监控(NILM)技术成为将总能耗分解为单个电器能耗的一种有前途的解决方案。对于机器学习算法来说,智能家居中的电器分类仍然是一项具有挑战性的任务。在本研究中,我们建议比较和评估两种不同算法的性能,即多标签 K-最近邻(MLkNN)和卷积神经网络(CNN),在两种不同的场景下用于 NILM:无数据增强(DAUG)和有数据增强(DAUG)。我们的研究结果表明,通过从功耗信号数据中生成扫描图像并使用 CNN 进行处理,可以更好地解释分类结果。结果表明,采用了拟议数据增强技术的 CNN 模型性能明显提高,平均 F1 分数为 0.484(提高了 +0.234),优于其他方法。此外,在进行弗里德曼统计检验后,结果表明它与其他比较方法有显著差异。我们提出的系统可以通过提供个性化反馈和节能提示,减少能源浪费,促进家庭和建筑更可持续地使用能源。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Enhancing smart home appliance recognition with wavelet and scalogram analysis using data augmentation

Abstract

The development of smart homes, equipped with devices connected to the Internet of Things (IoT), has opened up new possibilities to monitor and control energy consumption. In this context, non-intrusive load monitoring (NILM) techniques have emerged as a promising solution for the disaggregation of total energy consumption into the consumption of individual appliances. The classification of electrical appliances in a smart home remains a challenging task for machine learning algorithms. In the present study, we propose comparing and evaluating the performance of two different algorithms, namely Multi-Label K-Nearest Neighbors (MLkNN) and Convolutional Neural Networks (CNN), for NILM in two different scenarios: without and with data augmentation (DAUG). Our results show how the classification results can be better interpreted by generating a scalogram image from the power consumption signal data and processing it with CNNs. The results indicate that the CNN model with the proposed data augmentation performed significantly higher, obtaining a mean F1-score of 0.484 (an improvement of +0.234), better than the other methods. Additionally, after performing the Friedman statistical test, it indicates that it is significantly different from the other methods compared. Our proposed system can potentially reduce energy waste and promote more sustainable energy use in homes and buildings by providing personalized feedback and energy savings tips.

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来源期刊
Integrated Computer-Aided Engineering
Integrated Computer-Aided Engineering 工程技术-工程:综合
CiteScore
9.90
自引率
21.50%
发文量
21
审稿时长
>12 weeks
期刊介绍: Integrated Computer-Aided Engineering (ICAE) was founded in 1993. "Based on the premise that interdisciplinary thinking and synergistic collaboration of disciplines can solve complex problems, open new frontiers, and lead to true innovations and breakthroughs, the cornerstone of industrial competitiveness and advancement of the society" as noted in the inaugural issue of the journal. The focus of ICAE is the integration of leading edge and emerging computer and information technologies for innovative solution of engineering problems. The journal fosters interdisciplinary research and presents a unique forum for innovative computer-aided engineering. It also publishes novel industrial applications of CAE, thus helping to bring new computational paradigms from research labs and classrooms to reality. Areas covered by the journal include (but are not limited to) artificial intelligence, advanced signal processing, biologically inspired computing, cognitive modeling, concurrent engineering, database management, distributed computing, evolutionary computing, fuzzy logic, genetic algorithms, geometric modeling, intelligent and adaptive systems, internet-based technologies, knowledge discovery and engineering, machine learning, mechatronics, mobile computing, multimedia technologies, networking, neural network computing, object-oriented systems, optimization and search, parallel processing, robotics virtual reality, and visualization techniques.
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