Influence of Nonlinear Characteristics of Planetary Flywheel Inerter Actuator on Vehicle Active Suspension Performance

The planetary flywheel can significantly reduce the weight of flywheel, allowing inerter to be lightweight. When a ball screw inerter-based active actuator is used in vehicle suspension system, nonlinear features affect performance. actuator’s dynamic model constructed this study based on and electromagnetic torque generating mechanism permanent magnet synchronous motor. impact screw–nut friction, transmission clearance, gear backlash performance an tuned damper then investigated. As result, sensitivity numerous parameters are shown, providing theoretical foundation for design suspension.