scholarly journals A separation method of transmission delays and data packet dropouts from a lumped input delay in the stability problem of networked control systems

2016 ◽  
Vol 27 (11) ◽  
pp. 1963-1973 ◽  
Author(s):  
Hanyong Shao ◽  
Qing-Long Han ◽  
Jianrong Zhao ◽  
Dan Zhang
Keyword(s):  
Control Systems ◽  
Stability Problem ◽  
Networked Control Systems ◽  
Data Packet ◽  
Separation Method ◽  
Networked Control ◽  
Input Delay ◽  
Packet Dropouts ◽  
Transmission Delays ◽  
The Stability

Observer-Based Feedback Control of Networked Control Systems With Delays and Packet Dropouts

2015 ◽  
Vol 138 (2) ◽  
Author(s):  
Qixin Zhu ◽  
Kaihong Lu ◽  
Yonghong Zhu
Keyword(s):  
Control Systems ◽  
Networked Control Systems ◽  
Networked Control System ◽  
Networked Control ◽  
Discrete Time System ◽  
Packet Dropouts ◽  
Transmission Delays ◽  
Inequality Theory ◽  
Time Varying Parameter ◽  
Theoretical Results

The observer-based feedback controller of a new linear networked control system (NCS) with both delays and packet dropouts is designed when the state information is not fully available. With the effects of transmission delays, NCSs are modeled as a discrete-time system with time-varying parameter. The occurrence of packet dropouts is modeled as a Bernoulli event in the NCSs. Under certain conditions, the observer-based controller is proved to render the corresponding NCSs exponentially mean-square stable based on Lyapunov stability theorem and matrix inequality theory. Finally, numerical simulations are included to demonstrate the theoretical results.

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