Exploration of the use of a proportional-integral-derivative controller for mitigation of seismic base excitation in civil structures

Mary C. Ngoma; Courtney A. Peckens

doi:10.1117/12.2612604

18 April 2022 Exploration of the use of a proportional-integral-derivative controller for mitigation of seismic base excitation in civil structures

Mary C. Ngoma, Courtney A. Peckens

Author Affiliations +

Proceedings Volume 12046, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2022; 120461A (2022) https://doi.org/10.1117/12.2612604
Event: SPIE Smart Structures + Nondestructive Evaluation, 2022, Long Beach, California, United States

Conference Poster

Abstract

Civil infrastructures are susceptible to damage due to external forces such as winds and earthquakes. These external forces cause damage to buildings and different civil structures. To prevent this, active control systems are executed. These systems use sensors to measure the displacement of the infrastructure, then actuators are utilized to provide a force that counteracts that displacement. In this study, a proportional integral derivative (PID) controller was used to minimize the impact of an earthquake disturbance on multi-story structures. The proportional, integral, and derivative gains of the controller were obtained using particle swarm optimization (PSO). This PID controller was validated on a simulated five-story structure based on the Kajima Shizuoka building with five ideal actuators. The effectiveness of the PID controller in reducing the seismic response of the structure with regards to inter-story displacement and acceleration was compared to the uncontrolled response of the structure. It is found that the PID controller with PID parameters obtained from the PSO algorithm offers effective control for the simulated five-story structure.

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Mary C. Ngoma and Courtney A. Peckens "Exploration of the use of a proportional-integral-derivative controller for mitigation of seismic base excitation in civil structures", Proc. SPIE 12046, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2022, 120461A (18 April 2022); https://doi.org/10.1117/12.2612604

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