General modeling for model-based FDD on building HVAC system

Bing Yu , Dolf H.C. Van Paassen , Siamak Riahy
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引用次数: 41

Abstract

Fault detection and diagnosis (FDD) can be realized with models. It can be used to find the cause of the degradation on energy efficiency and indoor climate quality in building heating, ventilation and air-conditioning (HVAC) systems. Real buildings are diverse. It requires a general modeling method. General modeling concept comprises three steps: hierarchical modeling procedure, parameterization and tuning procedure. In the procedure of hierarchical modeling, the process is split into levels ranging from global to micro level. The objective is to detect faults on the various levels. Consequently, different models for each level should be built. It is important to increase the accuracy of the models and let the models applicable for FDD on building HVAC systems. Parameterization and tuning procedure are necessary. An example model for a real air-conditioned room shows the results of general models and the results after tuning.

建筑暖通空调系统基于模型的FDD通用建模
故障检测与诊断(FDD)可以通过模型来实现。它可以用来寻找建筑采暖、通风和空调系统能源效率和室内气候质量下降的原因。真正的建筑是多种多样的。它需要一种通用的建模方法。一般的建模概念包括三个步骤:分层建模过程、参数化过程和调优过程。在分层建模过程中,将建模过程划分为从全局到微观的多个层次。目标是检测各个级别上的故障。因此,应该为每个级别构建不同的模型。提高模型的精度,使模型适用于建筑暖通空调系统的FDD,具有重要的意义。参数化和调优过程是必要的。以实际空调房间为例,给出了一般模型的计算结果和调整后的计算结果。
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