A unified and automated approach to attractor reconstruction

A unified and automated approach to attractor reconstruction
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DOI:
10.1088/1367-2630/abe336
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发表时间:
2021-03-01
影响因子:
3.3
通讯作者:
Marwan, N.
Marwan, N.
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Kraemer, K. H.;Datseris, G.;Marwan, N.

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我们提出了一个全自动的方法,从单变量和多变量时间序列的最佳状态空间重建。所提出的方法概括了时间延迟嵌入程序,通过统一两个有前途的想法,在一个共生的方式。使用非均匀延迟允许继承不同时间尺度的系统的成功重建。与已有的方法相比,通过适当的代价函数的最小化来确定嵌入维数,而不使用阈值参数。此外,该方法能够检测随机时间序列,因此,可以处理噪声污染的输入,而无需调整参数。所提出的方法的优越性显示在一些典型的模型和实验数据从混沌化学振荡器。
We present a fully automated method for the optimal state space reconstruction from univariate and multivariate time series. The proposed methodology generalizes the time delay embedding procedure by unifying two promising ideas in a symbiotic fashion. Using non-uniform delays allows the successful reconstruction of systems inheriting different time scales. In contrast to the established methods, the minimization of an appropriate cost function determines the embedding dimension without using a threshold parameter. Moreover, the method is capable of detecting stochastic time series and, thus, can handle noise contaminated input without adjusting parameters. The superiority of the proposed method is shown on some paradigmatic models and experimental data from chaotic chemical oscillators.