在simulink中建立了一个汽车发动机模型，通过控制油门开度来达到控制发动机转速的目的。输入量是油门开度，输出是发动机转速。-The establishment of an automotive engine model in simulink, by controlling the throttle opening to achieve the purpose of controlling the engine speed. It is input accelerator opening degree, the engine speed is output.