The invention discloses a magnetorheological hybrid active suspension with adjustable damping, and belongs to the technical field of vehicle vibration reduction. The suspension comprises a rotating motor, a rotating magnetorheological damper, a lead screw assembly and the like. The rotary magneto-rheological damper comprises an outer stator, an inner rotor and a magnet exciting coil, and a magneto-rheological medium is filled between the inner rotor and the outer rotor; the lead screw assembly converts rotary motion into linear motion through a lead screw nut so as to adjust the height of the suspension. By controlling the current of the magnet exciting coil, the magnetorheological medium can be switched between low-viscosity Newtonian fluid and high-viscosity Bingham fluid, and a double-working-condition mode is achieved: in an active mode, the motor directly drives the lead screw to output active force; in the damping mode, the magnetorheological medium absorbs impact energy and compensates motor output, and energy consumption is greatly reduced. When the motor breaks down or turns at a high speed, by means of the characteristics of small current and large torque, required damping force can still be provided to reduce vibration and roll, and comfort and safety are guaranteed. The method has a wide application prospect in research, development and design of the hybrid active suspension of the vehicle.
本发明公开一种可调阻尼的磁流变混合主动悬架,属于车辆减振技术领域。所述悬架包括旋转电机、旋转磁流变阻尼器及丝杠组件等。旋转磁流变阻尼器包括外定子、内转子及励磁线圈,内、外转子间填充磁流变介质;丝杠组件通过丝杠螺母将旋转运动转化为直线运动以调节悬架高度。通过控制励磁线圈电流,磁流变介质可在低黏度牛顿流体与高黏度Bingham流体间切换,实现双工况模式:主动模式下电机直接驱动丝杠输出主动力;阻尼模式下磁流变介质吸收冲击能量并补偿电机出力,大幅降低能耗。当电机发生故障或高速过弯时,凭借小电流大扭矩的特性,仍能提供所需阻尼力减少振动和侧倾,保障舒适性和安全性。在车辆混合主动悬架研发设计上具有广泛的应用前景。
Damping-adjustable magnetorheological hybrid active suspension
可调阻尼的磁流变混合主动悬架
11.04.2025
Patent
Elektronische Ressource
Chinesisch
IPC: | B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge |
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