Global approaches to identifiability testing for linear and nonlinear state space models

Eric Walter and Yves Lecourtier

Mathematics and Computers in Simulation (MATCOM), 1982, vol. 24, issue 6, 472-482

Abstract: Whenever a model is not identifiable, there exist several parameter vectors θ which yield the same input-output behavior, so that any further interprtation of θ is questionable. In this paper two methods which can be used to test state-space models for identifiability with a global approach are presented. While the first one is useful for nonlinear and/or time-varying models, the second one is suitable for linear time-invariant models. An appendix provides tools for the solution of he sets of polynomial equations involved in both methods.

Date: 1982
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Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:24:y:1982:i:6:p:472-482

DOI: 10.1016/0378-4754(82)90645-0

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