期刊
APPLIED THERMAL ENGINEERING
卷 75, 期 -, 页码 357-365出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.applthermaleng.2014.09.041
关键词
Smart meters; Automated meter reading (AMR); Rotary magnetic encoders; Natural gas; Natural gas meters
资金
- New York State Energy Research and Development Authority (NYSERDA) [10908]
There has been considerable interest in recent years in deploying smart meters in residential homes capable of distinguishing appliance-specific usage from whole-house consumption. Smart meters used in conjunction with algorithms that analyze usage data and other appliance attributes have been found to be a cost-effective and scalable approach. Based on this idea, the authors recently reported a laboratory-based solution for natural gas consisting of an encoder module retrofitted onto an existing residential gas meter. In this work, a detailed analysis of real gas consumption rates and patterns from common household appliances is performed and used to simulate the metering performance of a meter equipped with such an encoder module. The simulation is used to establish the optimal encoder resolution for a prototype encoder design that balances cost with performance. Improvements to the algorithms presented in the previous study to analyze the time-resolved data by deducing which appliance is using natural gas are also presented. The design, fabrication, and testing of a prototype encoder module is also presented. (C) 2014 Elsevier Ltd. All rights reserved.
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