Models of networked control systems with long delay are presented in three cases, namely, the delay varies within the sampling time; the delay is random tad in order; the delay is random hat oat of order.

• 摘要分析了长延时网络控制系统的3种情况：延时的变化范围小于一个采样周期；延时随机且有序，延时随机且无序。