The lateral vibration of the car body affects the lateral stability of high-speed trains (HSTs), and the aim of this study is to design a good control strategy to decrease the lateral vibration of the car body. First, the Maxwell model of the anti-yaw damper was transformed into a Voigt model by the equivalence method, and a modified 17-degree-of-freedom (DOF) lateral vibration model that includes the anti-yaw damper was established. After the design difficulty and control accuracy of the control strategy were weighed, the lateral and yaw motions of the wheelsets were regarded as disturbances, and a disturbance observer of wheelset motions was designed to simplify the 17-DOF model to a 9-DOF lateral vibration model. Second, a model predictive control (MPC) strategy for HST lateral vibration was designed, and the effects of the key parameters on the lateral vibration acceleration of the HST car body and on the iterative computation time of the MPC strategy were studied. In addition, a conditionally triggered model predictive control (CMPC) strategy was proposed. Last, the control effects of the CMPC strategy under the working conditions of speed change, turnout passage, and aerodynamic load were studied by simulation, which verified the validity of the proposed model and control strategy.

车体横向振动影响高速列车（HST）的横向稳定性，本研究的目的是设计良好的控制策略来减少车体横向振动。首先，采用等效方法将抗偏航阻尼器的Maxwell模型转化为Voigt模型，建立了包含抗偏航阻尼器的修正17自由度横向振动模型。权衡控制策略的设计难度和控制精度后，将轮对的横向运动和偏航运动视为扰动，设计轮对运动扰动观测器，将17自由度模型简化为9自由度横向振动模型。其次，设计了HST横向振动模型预测控制（MPC）策略，研究了关键参数对HST车体横向振动加速度和MPC策略迭代计算时间的影响。此外，还提出了条件触发模型预测控制（CMPC）策略。最后，通过仿真研究了CMPC策略在变速、道岔通道和气动载荷工况下的控制效果，验证了所提模型和控制策略的有效性。