Validating BMS sensors for chiller condition monitoring

被引：0

作者：

Wang, SW ^{[1
]}

Wang, JB ^{[1
]}

Burnett, J ^{[1
]}

机构：

[1] Hong Kong Polytech Univ, Dept Bldg Serv Engn, Kowloon, Hong Kong, Peoples R China

来源：

TRANSACTIONS OF THE INSTITUTE OF MEASUREMENT AND CONTROL | 2001年 / 23卷 / 04期

关键词：

chiller monitoring; diagnosis; evaluation; fault detection; sensor;

D O I：

10.1191/014233101681274142

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A method based on energy balance is developed for diagnosing and validating the health states of the building management system (BMS) sensors (faults and biases) for monitoring chiller condition. A normalized energy balance residual is defined and used as the indices for fault detection. A characteristic quantity is derived for diagnosing flow meter faults without needing to know the temperature sensor biases. A robust algorithm is developed for estimating the magnitude of the flow meter biases. The sensor fault validation method, verification of the method using dynamic simulation programs and application to an existing chilling plant are presented.

引用

页码：201 / 225

页数：25

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