Gated Recurrent Fuzzy Neural Network Sliding Mode Control of a Micro Gyroscope

Jiapeng Xie, Juntao Fei () and Cuicui An
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Jiapeng Xie: College of IoT Engineering, Jiangsu Key Lab. of Power Transmission and Distribution Equipment Technology, Hohai University, Changzhou 213022, China
Juntao Fei: College of IoT Engineering, Jiangsu Key Lab. of Power Transmission and Distribution Equipment Technology, Hohai University, Changzhou 213022, China
Cuicui An: College of Mechanical and Electrical Engineering, Hohai University, Changzhou 213022, China

Mathematics, 2023, vol. 11, issue 3, 1-21

Abstract: This paper proposes a non-singular fast terminal sliding mode control (NFTSMC) method for micro gyroscopes with unknown uncertainty based on gated recurrent fuzzy neural networks (GRFNNs). First, taking advantage of non-singular fast terminal sliding control, a sliding hyperplane is designed with a nonlinear function to ensure that the tracking error of the system converges to zero within a specified finite time. Then, the unknown model parameters of the micro gyroscope are estimated using a GRFNN. Since the GRFNN can adaptively adjust the base width, center vector, gated recurrent unit parameters, and outer gains, it can achieve accurate approximation to unknown models, enhancing the robustness and accuracy. In addition, due to the introduction of gated recurrent units, The GRFNN can effectively utilize the previous data and avoid the problem of gradient disappearance. The comparison of the simulation results with traditional neural sliding mode control shows that the proposed method can achieve better tracking performance and more accurate estimation of unknown models.

Keywords: recurrent fuzzy neural network; gated recurrent unit; micro gyroscope; non-singular fast terminal sliding mode control (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2023
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