论文标题

使用模拟建筑自动化系统传感器数据的非调节锅炉的故障检测

Fault Detection for Non-Condensing Boilers using Simulated Building Automation System Sensor Data

论文作者

Shohet, Rony, Kandil, Mohamed, Wang, Y., McArthur, J. J.

论文摘要

已显示建筑物性能在调试后会大大降解,从而增加能源消耗和相关的温室气体排放。使用现有的传感器网络和IoT设备进行连续调试有可能通过不断识别系统退化并重新调整控制策略以适应真正的建筑绩效来最大程度地减少这种废物。由于其对温室气体排放的重大贡献,为建筑加热的气体锅炉系统的性能至关重要。锅炉性能研究的综述已用于开发一组常见的故障和降解的性能条件,这些断层已集成到MATLAB/SIMULINK模拟器中。这导致了一个标记的数据集,并为14个非补充锅炉中的每一个都进行了大约10,000个稳态性能模拟。收集的数据用于使用K-Nearest邻居,决策树,随机森林和支持向量机训练和测试故障分类。结果表明,支持向量机方法给出了最佳的预测准确性,始终超过90%,并且由于分类较低,因此无法对多个锅炉进行概括。

Building performance has been shown to degrade significantly after commissioning, resulting in increased energy consumption and associated greenhouse gas emissions. Continuous Commissioning using existing sensor networks and IoT devices has the potential to minimize this waste by continually identifying system degradation and re-tuning control strategies to adapt to real building performance. Due to its significant contribution to greenhouse gas emissions, the performance of gas boiler systems for building heating is critical. A review of boiler performance studies has been used to develop a set of common faults and degraded performance conditions, which have been integrated into a MATLAB/Simulink emulator. This resulted in a labeled dataset with approximately 10,000 simulations of steady-state performance for each of 14 non-condensing boilers. The collected data is used for training and testing fault classification using K-nearest neighbour, Decision tree, Random Forest, and Support Vector Machines. The results show that the Support Vector Machines method gave the best prediction accuracy, consistently exceeding 90%, and generalization across multiple boilers is not possible due to low classification accuracy.

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