基于 Sim ulink 的汽油机准维模拟研究

摘要

A quasi dimension model for BJ492 gasoline engine is established in Simulink ,and its working process is simulated .The contrast of test results and computation results shows there is a good agreement and small error .On this base ,the effect of the ignition advance angle on the gasoline engine performance is analyzed .%利用Simulink建立了BJ492汽油机准维燃烧的数学模型，并进行了工作过程的模拟，将模拟结果与实验结果进行对比，结果表明两者吻合较好。在此基础上分析了点火提前角的变化对汽油机性能的影响。