Instrumental variable scheme for closed-loop LPV model identification. (English) Zbl 1258.93051
Summary: Identification of real-world systems is often applied in closed loop due to stability, performance or safety constraints. However, when considering Linear Parameter-Varying (LPV) systems, closed-loop identification is not well-established despite the recent advances in prediction error approaches. Building on available results, the paper proposes the closed-loop generalization of a recently introduced instrumental variable scheme for the identification of LPV-IO models with a Box-Jenkins type of noise model structures. Estimation under closed-loop conditions with the proposed approach is analyzed from the stochastic point of view and the performance of the method is demonstrated through a representative simulation example.
Keywords:
linear parameter-varying (LPV) systems; system identification; refined instrumental variable; Box-Jenkins models; LPV model identification; closed-loop conditions; noise model structures; real-world systemsReferences:
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