Prescribed performance-based adaptive sliding mode control for a structure under earthquake excitation
Abstract
In this research paper, an adaptive sliding controller designed to enhance seismic response mitigation in structural systems with prescribed performance is presented. The performance function converts the error to a converging error within a predefined neighborhood. Furthermore, the adaptive algorithm is also designed to ensure the controller operates effectively under uncertain system parameters. The serial–parallel estimation model was adopted for parameter vector and error model. The Lyapunov function is chosen to ensure the convergence stability of the control strategy. Through comprehensive theoretical analysis and simulation studies, the efficiency of the performance function has been simulated for a one-degree-of-freedom structure. Simulation results demonstrated the effectiveness of the control algorithm in reducing the seismic response.
Moraref