Browsing Published Articles by Subject "Building Energy Use"
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(IBPSA-USA (http://www.ibpsa.us), August 1995)
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| Abstract: | In order to improve upon previous calibration
techniques, this paper presents new calibration
methods including a temperature bin analysis to
improve hourly x-y scatter plots, a 24-hour weatherdaytype
bin analysis to allow for the evaluation of
hourly temperature and schedule dependent
comparisons, and a 52-week bin analysis to facilitate
the evaluation of long-term trends. In addition,
architectural rendering is suggested as a means of
verifying the building envelope dimensions and
external shading placement. Several statistical
methods are also reviewed to evaluate the goodness-offit
including percent difference calculations, mean bias
error (MBE), and the coefficient of variation of the
root mean squared error (CV(RMSE)).
The procedures are applied to a case study
building located in Washington, D.C. Nine months of
hourly whole-building electricity data and site-specific
weather data were measured and used with the DOE-
2. ID building simulation program to test the new
techniques. Use of the new calibration procedures
were able to produce an hourly MBE of -0.7% and a
CV(RMSE) of 23.1% which compare favorably with
the most accurate hourly neural network models. |
| URI: | http://hdl.handle.net/1969.1/94780 |
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