Modified Bouc-Wen Model for MR Damper Simulation

In this research, we investigate the application of the modified Bouc-Wen model to magnetorheological (MR) dampers. MR dampers represent an advanced vibration control technology capable of adaptively regulating damping forces through applied magnetic fields. Given their widespread engineering applications in seismic protection, vehicle suspension systems, and structural control, performance analysis and model enhancement are critically important. The modified Bouc-Wen model serves as a mathematical framework for characterizing damper behavior with improved hysteresis representation. This model effectively simulates MR damper performance under various operational conditions by incorporating nonlinear hysteresis parameters, velocity-dependent forces, and displacement-based damping characteristics. Key implementation aspects include solving the differential equations governing hysteresis behavior using numerical integration methods like Runge-Kutta, with model parameters typically calibrated through experimental data fitting. Our study focuses on evaluating the model's performance metrics and applicability through MATLAB/Simulink implementations, examining parameter sensitivity analysis, and comparing simulation results with experimental data. The research aims to advance MR damper technology development by providing accurate modeling tools for control system design and performance optimization.