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针对Internet网络控制中延迟变化所引起的系统不稳定问题,该文提出了一种基于小波ARMA多尺度预测的延迟时间预测方法,并将其与Smith预估器结合应用于Internet网络控制中,解决了在随机时变的数据包传输延迟情况下Internet网络控制系统的有效控制问题。以直流电机为例验证了预测算法的可行性和有效性。
Aiming at the system instability caused by the delay variation in Internet network control, this paper proposes a delay time prediction method based on multi-scale prediction of wavelet ARMA, which is applied to Internet network control with Smith predictor. The problem of effective control of Internet network control system under the condition of random and time-varying packet transmission delay. The DC motor is used as an example to verify the feasibility and effectiveness of the prediction algorithm.