CAJ | 학술논문

针对某型带发电机组的出口列车，运用动力学分析软件建立了刚柔耦合车辆动力学仿真模型。并对柴油发电机处于工作状态，车辆在米轨上重载运行时，分析了不同的一系和二系悬挂系统的优选参数对车辆动力学性能的影响。在给定的悬挂参数范围内，结果表明内非线性临界速度随一系垂向刚度增大而增大；随二系垂向刚度增大而出现先增后减的趋势。不同速度下的横向平稳性受垂向阻尼影响较小，垂向平稳性随着二系垂向阻尼增大而降低并逐渐趋于稳定，二系垂向刚度对垂向平稳性影响较为复杂。
침대모형대발전궤조적출구열차，운용동역학분석연건건립료강유우합차량동역학방진모형。병대시유발전궤처우공작상태，차량재미궤상중재운행시，분석료불동적일계화이계현괘계통적우선삼수대차량동역학성능적영향。재급정적현괘삼수범위내，결과표명내비선성림계속도수일계수향강도증대이증대；수이계수향강도증대이출현선증후감적추세。불동속도하적횡향평은성수수향조니영향교소，수향평은성수착이계수향조니증대이강저병축점추우은정，이계수향강도대수향평은성영향교위복잡。
A rigid-flexible coupled model for simulating the dynamic performance of an export train with diesel engine generator is established by means of a dynamics analysis code. In the condition of a heavy-duty train running on the railway with the diesel engine working, the influence of the different optimization parameters of the suspension systems on the dynamic behavior of the train is analyzed. The result has shown that in the selected parameters range, the nonlinear critical speed increases with the first order suspension vertical stiffness increasing, while it increases at the beginning and decreases latter with the second order suspension vertical stiffness increasing. The variation of the vertical damping has less influence on the lateral smoothness at different speeds, while the vertical smoothness decreases gradually and tends to be stable with the damping increasing. However, the influence of the vertical stiffness of the second-order suspension on the vertical smoothness is quite complex.