介绍了大型复杂系统动态仿真与设计软件———DADS中的履带模型 ,利用该软件以国产某型坦克为对象 ,给出了对作为复杂多体系统的履带车辆的整车建模的方法并对整车运动进行了动力学仿真 .所得结果表明该仿真方法具有高效、便捷和对系统动力学行为更深入的洞察能力等优点 This paper introduces a large complex system dynamic simulation and design software --- DADS track model, the use of the software for a domestic tank as an object, given as a complex multi-body system of tracked vehicles vehicle modeling method and The kinematics simulation of vehicle motion is carried out and the results show that this simulation method has the advantages of high efficiency, convenience and insightful insight into the dynamic behavior of the system