Study on Application of T-S Fuzzy Observer in Speed Switching Control of AUVs Driven by States

Xun Zhang, Xinglin Hu, Yang Zhao and Zhaodong Tang

Mathematical Problems in Engineering, 2014, vol. 2014, 1-8

Abstract:

Considering the inherent strongly nonlinear and coupling performance of autonomous underwater vehicles (AUVs), the speed switching control method for AUV driven by states is presented. By using T-S fuzzy observer to estimate the states of AUV, the speed control strategies in lever plane, vertical plane, and speed kept are established, respectively. Then the adaptive switching law is introduced to switch the speed control strategies designed in real time. In the simulation, acoustic Doppler current profile/side scan sonar (ADCP/SSS) observation case is employed to demonstrate the effectiveness of the proposed method. The results show that the efficiency of AUV was improved, the trajectory tracking error was reduced, and the steady-state ability was enhanced.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:631396

DOI: 10.1155/2014/631396

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