Abstract
For bilinear systems with colored noise, this paper gives the input–output representation of the bilinear systems through eliminating the state variables in the model and derives a three-stage gradient-based iterative algorithm and a three-stage least-squares-based iterative algorithm for identifying the parameters of the input–output representation by means of the hierarchical identification principle. A gradient-based iterative (GI) algorithm is given for comparison. Compared with the GI algorithm, the proposed algorithms have lower computational burden and faster convergence speed. The simulation results indicate that the proposed algorithms are more effective for identifying bilinear systems.
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This work was supported by the National Natural Science Foundation of China (No. 61472195) and the Taishan Scholar Project Fund of Shandong Province of China.
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Li, M., Liu, X. & Ding, F. Least-squares-based iterative and gradient-based iterative estimation algorithms for bilinear systems. Nonlinear Dyn 89, 197–211 (2017). https://doi.org/10.1007/s11071-017-3445-x
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DOI: https://doi.org/10.1007/s11071-017-3445-x