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文献详情 >Towards On-line Fault Detectio... 收藏

Towards On-line Fault Detection and Diagnostics in District Heating Systems

作     者:Nathan Zimmerman Erik Dahlquist Konstantinos Kyprianidis 

作者机构:Mälardalen University Box 88 72123 Västerås Sweden 

出 版 物:《Energy Procedia》 

年 卷 期:2017年第105卷

页      面:1960-1966页

主  题:District heating Dynamic Modeling Object-Oriented Programming Fault detection Decision support 

摘      要:This paper gives a brief introduction for detecting faults in pressure sensors and diagnostics in a district heating network. Proper pressure throughout the network is essential in maintaining the requirements for the end-user. A district heating network library has been constructed in OpenModelica for the purpose of developing a district heating network representation of Skultuna, Sweden. The use of object-oriented program will give the ease of expanding the network to encompass the entire network distribution from Mälarenergi AB, Västerås, Sweden. The physical model can then be used in conjunction with sensor data to calculate residual values. These residuals are then used as input into a Bayesian Network to determine the possibility of three different operating outcomes. This approach will allow for operators to evaluate a systems performance, help in decision support mechanisms, and can provide assistance in scheduling maintenance.

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