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Quantitative validation techniques a database. (I). Simple examples
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DOI：10.1016/j.simpat.2004.06.001.png)
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This paper proposes the formulation of a database of validation examples. This initial contribution describes the problem of validation of the simulation of two real systems. These include a mechanical network and a thermal system with a transport delay. Data of the component values and measurements are reported here. The data from testing these systems will be made available at a later stage to enable other workers to compare other validation techniques with those presented here. The responses of a mechanical and a thermal system were measured with a laptop PC and Labview via a DAQCard(TM)-700 data acquisition card. Simulations were made with ACSL and ACSL Math. The validation procedures implemented included a parameter variation with integral quadratic weighting and ITAE weighting together with a statistical matching technique using a correlation coefficient. These techniques illustrate the problem of achieving good validation to within a few percentage points. Correlation coefficients of over 98% were obtained for the fitting of linear models, with Theil indices of less than 0.075. (C) 2004 Elsevier B.V. All rights reserved.
Keyword:
model validation
systems
Labview
correlation coefficient
parameter variation
ACSL
integral squared error
Theil coefficient
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