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Description: Example: Distributed Wireless Control System,可用于无线传感器网络中-This example shows distributed control of a DC-servo using communication over a wireless network. The example also shows how to simulate power consumption and how to use the battery block. The model contains two computer nodes located 20 m apart, each represented by a TrueTime kernel block. A time-driven sensor/actuator node samples the process periodically and sends the samples over the network to the controller node. The control task in this node calculates the control signal and sends the result back to the sensor/actuator node, where it is actuated. The wireless communication link is at the same time subject to a simple power control scheme. Power control tasks running in both the sensor/actuator node and in the controller node periodically send out ping messages to the other node to test the channel transmission. If a reply is received, the channel is assumed to be good and the transmission power is lowered. If on the other hand no reply is received, then the transmi
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