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Applied AI neural network dynamic surface control to nonlinear coupling composite structures

  • ZY Chen (Sch Sci Guangdong University of Petrochem Technol) ;
  • Yahui Meng (Sch Sci Guangdong University of Petrochem Technol) ;
  • Huakun Wu (School of Computer Science, Guangdong Polytechnic Normal University) ;
  • ZY Gu (Sch Sci Guangdong University of Petrochem Technol) ;
  • Timothy Chen (Division of Eng App Sci, Caltech)
  • Received : 2023.12.24
  • Accepted : 2024.08.12
  • Published : 2024.09.10

Abstract

After a disaster like the catastrophic earthquake, the government have to use rapid assessment of the condition (or damage) of bridges, buildings and other infrastructures is mandatory for rapid feedbacks, rescue and post-event management. This work studies the tracking control problem of a class of strict-feedback nonlinear systems with input saturation nonlinearity. Under the framework of dynamic surface control design, RBF neural networks are introduced to approximate the unknown nonlinear dynamics. In order to address the impact of input saturation nonlinearity in the system, an auxiliary control system is constructed, and by introducing a class of first-order low-pass filters, the problems of large computation and computational explosion caused by repeated differentiation are effectively solved. In response to unknown parameters, corresponding adaptive updating control laws are designed. The goals of this paper are towards access to adequate, safe and affordable housing and basic services, promotion of inclusive and sustainable urbanization and participation, implementation of sustainable and disaster-resilient buildings, sustainable human settlement planning and manage. Simulation results of linear and nonlinear structures show that the proposed method is able to identify structural parameters and their changes due to damage and unknown excitations. Therefore, the goal is believed to achieved in the near future by the ongoing development of AI and control theory.

Keywords

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