The nonlinear identification of a heat exchanger
- 1 December 1987
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- Vol. 26, 1883-1888
- https://doi.org/10.1109/cdc.1987.272841
Abstract
The practical application of a recently introduced orthogonal parameter estimation algorithm is investigated by identifying a nonlinear model of a heat exchanger based on input-output records. A new criterion called ERR. (Error Reduction Ratio) is employed to select significant terms in the NARMAX model expansion to yield a parsimonious model. The fitted model is then compared with a model previously obtained using a prediction error algorithm coupled with stepwise regression, and validated by computing various correlation tests and plotting predicted outputs.Keywords
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