Modeling and real-time simulation of an electrohydraulic shaking table for hydraulic structure seismic testing

ABSTRACT The electrohydraulic shaking table is a critical tool for seismic testing of hydraulic structures, such as dams, levees, and reservoirs, which are vital to hydrological systems. To accurately capture the complex dynamic behavior of these structures and mitigate operational risks during experimental research, this study presents a high-fidelity model of an electrohydraulic shaking table using advanced simulation methods. A real-time simulation system, integrated with a digital controller, is developed to replicate the system's performance under seismic conditions. Simulation and experimental results demonstrate strong agreement in dynamic characteristics under identical control parameters, validating the model's reliability. This approach not only reduces the hazards associated with live parameter tuning on physical shaking tables but also offers a robust platform for studying seismic control algorithms in hydrological infrastructure research.