A discrete sliding mode(DSM) controller has been designed. Engine idle speed can be controlled by a nonlinear model for the idle speed control(ISC) system of a 4-cylinder,4-litre engine.

• 设计了发动机怠速的离散滑模(DSM)控制器；用已开发出的4缸、1.；4L的AJR发动机怠速控制系统的非线性模型进行发动机怠速转速的控制。