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利用天棚控制原理和SIMPACK动力学软件分别建立二系横向和垂向半主动悬挂机车模型,分析比较了横向、垂向半主动悬挂和被动悬挂的平稳性,以及300 m曲线半径通过时的动力学性能,得出采用半主动悬挂方式可有效地提高机车的平稳性．但同时会使轮对动力学性能恶化。因此有必要对构架结构参数和悬挂系统参数作进一步优化和研究。
By using the principle of roof control and SIMPACK dynamics software, the second-generation lateral and vertical semi-active suspension locomotive models are established respectively. The stability of semi-active suspension and passive suspension of transverse and vertical semi-active suspension are analyzed and compared with that of the 300 m curve radius Performance, come to the use of semi-active suspension can effectively improve the locomotive’s stability. But at the same time will make the wheel dynamic performance deterioration. Therefore, it is necessary to further optimize and study the structural parameters and suspension system parameters.