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http://dx.doi.org/10.3795/KSME-B.2011.35.12.1351

Statistical Analysis on Residuals from No-Fault Reference Models of a Residential Heat Pump System in Normal Cooling Operation  

Kim, Min-Sung (New and Renewable Energy Department, Korea Institute of Energy Research)
Yoon, Seok-Ho (Energy Plant Research Division, Korea Institute of Machinery and Materials)
Baik, Young-Jin (New and Renewable Energy Department, Korea Institute of Energy Research)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.35, no.12, 2011 , pp. 1351-1358 More about this Journal
Abstract
To approximate the threshold of the fault detection and diagnosis (FDD) system, validation of the measurements is mandatory. Naturally, the system shows uncertainties due to measuring sensors - mostly thermocouples or RTDs - and due to repeatability. The uncertainty of a thermocouple comes from natural variation or a drift of the thermocouple measurement. Considering the natural variation behaves like zero-mean white noise, its natural variation can be characterized closely by the steady-state standard deviation. However, residuals between measurements and no-fault references in FDD systems show a statistical distribution with various uncertainties. In this paper, steady-state variations of measurement residuals were investigated by utilizing built-in temperature sensors in a heat pump for the model development and the final application.
Keywords
Heap Pump; Uncertainty; Fault Detection and Diagnosis; Steady-State; Statistical Analysis;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By SCOPUS : 0
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