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NN-based output tracking for more general stochastic nonlinear systems with unknown control coefficients

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Abstract

This paper considers the output tracking problem for more general classes of stochastic nonlinear systems with unknown control coefficients and driven by noise of unknown covariance. By utilizing the radial basis function neural network approximation method and backstepping technique, we successfully construct a controller to guarantee the solution process to be bounded in probability. The tracking error signal is 4th-moment semi-globally uniformly ultimately bounded (SGUUB) and can be regulated into a small neighborhood of the origin in probability. A simulation example is given to demonstrate the effectiveness of the control scheme.

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Correspondence to Na Duan.

Additional information

This work was supported by National Natural Science Foundation of China (Nos. 61573172, 61305149 and 61403174), 333 High-level Talents Training Program in Jiangsu Province (No.BRA2015352) and Program for Fundamental Research of Natural Sciences in Universities of Jiangsu Province (No. 15KJB510011).

Recommended by Associate Editor Ding-Li Yu

Na Duan received the Ph.D. degree from Institute of Automation, Qufu Normal University. Now she is an associate professor of Jiangsu Normal University, China.

Her research interests include nonlinear adaptive control and stochastic nonlinear control.

ORCID iD: 0000-0001-7152-0036

Hui-Fang Min received the M. Sc. degree from School of Electrical Engineering and Automation, Jiangsu Normal University, China in 2015. She is currently a Ph.D. degree candidate at School of Automation, Nanjing University of Science and Technology.

Her research interests include nonlinear adaptive control and stochastic nonlinear control.

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Duan, N., Min, HF. NN-based output tracking for more general stochastic nonlinear systems with unknown control coefficients. Int. J. Autom. Comput. 14, 350–359 (2017). https://doi.org/10.1007/s11633-015-0936-4

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  • DOI: https://doi.org/10.1007/s11633-015-0936-4

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