Abstract：Lateral vibration of the high-speed trains will gets exacerbated under intersection aerodynamic loads. The traditional semi-active control methods based on skyhook damping principle cannot achieve the good effect for this lateral vibration. To solve this problem, the three-dimensional model of a certain type of CRH high-speed train was established with vehicle system dynamic simulation software UM, and the characteristics of the vehicle lateral vibration were analyzed under aerodynamic loads; a virtual inertial damper control method was presented to make semi-active control to vehicle lateral vibration under the excitation of track irregularity and aerodynamic loads. This control method was achieved by engineering controllable damping, whose damping force was proportional to the acceleration in the opposite direction. The results showed that: virtual inertial damping semi-active control can suppress the lateral vibration caused by track irregularity and also attenuate the lateral vibration brought by aerodynamic loads, improving the lateral stability of the train; meanwhile, the lateral vibration is also suppressed in the frequency range to which human man’s head and internal organs are more sensitive, improving passenger comfort.
陈春俊， 何洪阳， 闫中奎. 气动载荷作用下高速列车横向振动虚拟惯性阻尼半主动控制研究[J]. 振动与冲击, 2016, 35(20): 60-64.
CHEN Chun-jun HE Hong-yang YAN Zhong-kui. Virtual inertial damping semi-active control for high-speed-train lateral vibration under aerodynamic loads. JOURNAL OF VIBRATION AND SHOCK, 2016, 35(20): 60-64.
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