Search for: [Abstract = "It has been experimentally verified that most commonly used subspace methods for identification of linear state\-space systems with exogenous inputs may, in certain experimental conditions, run into ill\-conditioning and lead to ambiguous results. An analysis of the critical situations has lead us to propose a new algorithmic structure which could be used either to test difficult cases and\/or to implement a suitable combination of new and old algorithms presented in the literature to help fixing the problem."]

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