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Smart Structures and Systems Volume 33, Number 4, April 2024 , pages 291-300 DOI: https://doi.org/10.12989/sss.2024.33.4.291 |
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Nonlinear intelligent control systems subjected to earthquakes by fuzzy tracking theory |
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Z.Y. Chen, Y.M. Meng, Ruei-Yuan Wang and Timothy Chen
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| Abstract | ||
| Uncertainty of the model, system delay and drive dynamics can be considered as normal uncertainties, and the main source of uncertainty in the seismic control system is related to the nature of the simulated seismic error. In this case, optimizing the management strategy for one particular seismic record will not yield the best results for another. In this article, we propose a framework for online management of active structural management systems with seismic uncertainty. For this purpose, the concept of reinforcement learning is used for online optimization of active crowd management software. The controller consists of a differential controller, an unplanned gain ratio, the gain of which is enhanced using an online reinforcement learning algorithm. In addition, the proposed controller includes a dynamic status forecaster to solve the delay problem. To evaluate the performance of the proposed controllers, thousands of ground motion data sets were processed and grouped according to their spectrum using fuzzy clustering techniques with spatial hazard estimation. Finally, the controller is implemented in a laboratory scale configuration and its operation is simulated on a vibration table using cluster location and some actual seismic data. The test results show that the proposed controller effectively withstands strong seismic interference with delay. 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 is believed to achieved in the near future by the ongoing development of AI and control theory. | ||
| Key Words | ||
| damage identification; fuzzy monitoring; Kalman filter; measurement problems; nonlinear hysteresis equation; unknown inputs | ||
| Address | ||
| (1) Z.Y. Chen, Y.M. Meng, Ruei-Yuan Wang and Timothy Chen: Guangdong University of Petrochem Technology, School of Science, Maoming 525000, Peoples Republic of China; (2) Timothy Chen: Division of Engineering and Applied Science, California Institute of Technology, Pasadena, CA 91125, USA. | ||