scholarly journals A New Predictive Sliding Mode Control Approach for Networked Control Systems With Time Delay and Packet Dropout

IEEE Access ◽  
2019 ◽  
Vol 7 ◽  
pp. 134280-134292 ◽  
Author(s):  
Yu Zhang ◽  
Shousheng Xie ◽  
Litong Ren ◽  
Ledi Zhang
Keyword(s):  
Time Delay ◽  
Sliding Mode Control ◽  
Control Systems ◽  
Networked Control Systems ◽  
Sliding Mode ◽  
Networked Control ◽  
Packet Dropout ◽  
Control Approach ◽  
Mode Control

scholarly journals Chattering-Free Sliding Mode Control for Networked Control System with Time Delay and Packet Dropout Based on a New Compensation Strategy

Complexity ◽  
2019 ◽  
Vol 2019 ◽  
pp. 1-12
Author(s):  
Yu Zhang ◽  
Shousheng Xie ◽  
Ledi Zhang ◽  
Litong Ren ◽  
Bin Zhou ◽  
...  
Keyword(s):  
Time Delay ◽  
Sliding Mode Control ◽  
Sliding Mode ◽  
Networked Control ◽  
Packet Dropout ◽  
Compensation Strategy ◽  
Channel Network ◽  
Reaching Law ◽  
Mode Control ◽  
Chattering Free

This paper addresses the sliding mode control problem for a class of networked control systems with long time delay and consecutive packet dropout. A new modeling method is proposed, through which time delay and packet dropout are modeled in a unified model described by one Markov chain. To avoid the chattering problem of classic reaching law, a new chattering-free reaching law is proposed. Then with a focus on the problem that controller-actuator channel network condition cannot be foreseen by the controller, a new compensation strategy is proposed, which can effectively compensate for the effect of time delay and packet dropout in controller-actuator channel. Finally, a simulation example is presented to demonstrate the effectiveness of the proposed approach.

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