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Journal Articles Automatica Year : 2017

From Structurally Independent Local LTI Models to LPV Model

Lennart Ljung
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Abstract

The local approach to linear parameter varying (LPV) system identification consists in interpolating individually estimated local linear time invariant (LTI) models corresponding to fixed values of the scheduling variable. It is shown in this paper that, without any global structural assumption of the considered LPV system, individually estimated local state-space LTI models do not contain sucient information for determining similarity transformations making them coherent. It is possible to estimate these similarity transformations from input-output data under appropriate excitation conditions.
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Dates and versions

hal-01635096 , version 1 (14-11-2017)

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Qinghua Zhang, Lennart Ljung. From Structurally Independent Local LTI Models to LPV Model. Automatica, 2017, 84, pp.232-235. ⟨10.1016/j.automatica.2017.06.006⟩. ⟨hal-01635096⟩
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