汽车发动机道路行驶工况模拟试验台加载控制系统设计

Design of Loading Control System on Test Bench of Vehicle Engine Road Running Simulator

汽车发动机道路行驶工况模拟试验台利用电涡流机对汽车发动机加载以实现道路行驶工况模拟。在各种道路行驶工况下,测功系统可测量发动机底盘输出功率。介绍了该试验台测功系统工作原理及控制系统组成,详细分析了加载控制电路设计。

In order to simulate vehicle engine road running mode,test bench of vehicle engine road running simulator uses electric eddy dynamometer load on vehicle engine.Under a variety of road running mode,the engine power test system can measure output power of chassis.The paper introduced working principle of power test system and composition of the control system,and analyzed design of loading control circuit in detail.