In this paper, the problem of how to determine the model structure for modeling a distributed parameter system is considered. The model structure error of using model M A to replace model M B is defined as a weighted sum of their distances in both observation and prediction spaces. The value of so defined structure error can be obtained by solving a max-min problem. In order to select an appropriate complexity of model structure, the concept of extended identifiabilities is further extended to the case that model structure error is involved. A stepwise regression procedure is then presented for simultaneously determining the model structure and model parameters. Numerical examples are given to explain the presented concepts and methodology.
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- Identification and Reduction of Model Structure for Modeling Distributed Parameter Systems
- Springer Netherlands
Systemische Notwendigkeit zur Weiterentwicklung von Hybridnetzen