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Koopman-based lifting techniques for nonlinear systems identification
[article]
2019
arXiv
pre-print
We develop a novel lifting technique for nonlinear system identification based on the framework of the Koopman operator. The key idea is to identify the linear (infinitedimensional) Koopman operator in the lifted space of observables, instead of identifying the nonlinear system in the state space, a process which results in a linear method for nonlinear systems identification. The proposed lifting technique is an indirect method that does not require to compute time derivatives and is therefore
arXiv:1709.02003v4
fatcat:xurw52i2x5crtlaimsrbiwyufu