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Networked Control System Simulation Design and Its Application

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【作者】 索格罗阳宪惠

【Author】 A. B. Soglo , YANG Xianhui ( Department of Automation, Tsinghua University, Beijing 100084, China

【机构】 Department of Automation Tsinghua University Beijing 100084 ChinaDepartment of Automation Tsinghua University Beijing 100084 China

【Abstract】 This paper presents a framework for networked control system simulation (NCSS) to enable the analysis of the influence of network transmissions on the performance of control systems. The simulation is composed of the network environment simulated using the network simulator, the control system component simulation using Matlab or C/C++, and an external application programming interface. To implement the plant (sensor), controller, and actuator nodes, an agent-based design is introduced, and a multi-agent net-worked control system is constructed. Therefore, the network simulator 2-26 (NS-2.26) release is extended by modifying the user data protocol (UDP) common header in order to support application data transmission between network nodes. Then, modifying the network topology parameters, networked control system simu-lations are analyzed for different parameter changes, such as the network bandwidth, the number of plant nodes, and the sampling period. An analysis of the influence of these parameters on network-induced de-lays and packet drop is made. The results show that the simulation system is an effective tool for the study of networked control systems.

【基金】 SupportedbytheNationalHigh-TechResearchandDevelopmen(863)ProgramofChina(No.2002AA412420)
  • 【文献出处】 Tsinghua Science and Technology ,清华大学学报(自然科学版英文版) , 编辑部邮箱 ,2006年03期
  • 【分类号】TP391.9
  • 【被引频次】16
  • 【下载频次】101
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