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采用动态观测器,考虑同时带有网络诱导随机时延和信号量化的网络控制问题。其中信号经网络从传感器到控制器和从控制器到执行器的传输中存在通信诱导随机时延,并采用动态量化器量化信号。设计控制器的同时,提出量化的控制策略,使得闭环系统在量化器的量化范围条件下指数均方稳定且具有指定的H_∞性能指标。通过数值仿真例子表明设计方法的有效性。
Using the dynamic observer, we consider the network control problem with network induced random delay and signal quantization. Among them, signal-induced random delay exists in the transmission of signals from sensor to controller and from controller to actuator through the network, and the signal is quantized by dynamic quantizer. At the same time, a quantitative control strategy is proposed, which makes the closed-loop system mean-square stable with specified H_∞ performance index under the quantization range of quantizer. The numerical simulation example shows the effectiveness of the design method.