A novel CUSUM-based approach for event detection in smart metering

2017 International Symposium on Application of Materials Science and Energy Materials

材料科学;能源学

Zhu, Zhicheng^1 ; Zhang, Shuai^1 ; Wei, Zhiqiang^1 ; Yin, Bo^1 ; Huang, Xianqing^1

College of Information Science and Engineering, Ocean University of China, Qingdao, China^1

关键词: Consumer awareness;    Corresponding criteria;    Electricity use;    Event detection;    Nonintrusive load monitoring;    Smart metering;    Test statistics;    Transient state;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/322/7/072014/pdf
DOI  :  10.1088/1757-899X/322/7/072014

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

Non-intrusive load monitoring (NILM) plays such a significant role in raising consumer awareness on household electricity use to reduce overall energy consumption in the society. With regard to monitoring low power load, many researchers have introduced CUSUM into the NILM system, since the traditional event detection method is not as effective as expected. Due to the fact that the original CUSUM faces limitations given the small shift is below threshold, we therefore improve the test statistic which allows permissible deviation to gradually rise as the data size increases. This paper proposes a novel event detection and corresponding criterion that could be used in NILM systems to recognize transient states and to help the labelling task. Its performance has been tested in a real scenario where eight different appliances are connected to main line of electric power.