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通过对汽车/护栏碰撞试验室的牵引系统结构进行分析,提出了电力牵引动力系统的设计思路和方法。以18 t的碰撞车辆在80 km/h的速度为前提条件,建立了碰撞车辆的动力学模型和电动机的牵引模型,并基于牵引系统的结构和模型对牵引系统的各参数进行了可行性优化设计。将理论分析计算结果和汽车/护栏碰撞试验室的实际建设情况进行了对比分析。结果表明,该牵引动力系统设计合理,说明了这种设计方法在设计碰撞牵引动力系统时的可行性及有效性。
Based on the analysis of traction system structure of automobile / guardrail collision laboratory, the design ideas and methods of power traction power system are put forward. The dynamic model of the collision vehicle and the traction model of the motor were established on the assumption that the speed of the collision vehicle at 18 t at 80 km / h was established. The parameters of the traction system were optimized based on the structure and model of the traction system design. The theoretical analysis and calculation results are compared with the actual construction of the car / barrier crash laboratory. The results show that the design of the traction power system is reasonable and the feasibility and effectiveness of this design method in the design of crash traction power system are illustrated.