Article need for advanced suspension systemsTorben HaaghSuspension systems play an important role in vehicle safety, comfort, and lifespan. Advanced suspension systems use active and semi-active components to suit different driving conditions. Achieving an optimal suspension design requires decreasing sprung mass resonance frequency near 1 Hz to isolate road disturbances while decreasing unsprung mass frequency to around 10 Hz for stability. Semi-active systems adapt stiffness or damping based on demands, while active systems require adding external forces, making them more complex than semi-active suspensions. Ensuring safety requires integrating suspension control with braking systems to reduce stopping distances during emergencies by limiting tire vibration.