Simulink simulation semi vehicle active suspension based on ADRC self disturbance rejection control 

Simulink simulation of semi vehicle active suspension based on ADRC self disturbance rejection control
Control comparison: Comparison of ADRC self disturbance rejection and traditional PID control effectiveness
The entire vehicle adopts a semi vehicle active suspension simulation model and combines ADRC active disturbance rejection control to improve performance.
The input excitation is sinusoidal road surface, and the output is vehicle acceleration, suspension dynamic deflection, and tire dynamic deformation
① Nonlinear State Error Feedback Law NLSEF: By combining the tracking signal and differential signal generated by the tracking differentiator with the state estimation of the system obtained from the extended state observer through a nonlinear function, it serves as the control variable for the controlled object
② Extended State Observer (ESO): Its function is to obtain estimates of system state variables and real-time actions of the extended state.
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