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MIMO network control systems with asynchronous sampling based on dividing the time slice

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4 Author(s)
Fan Wei-Hua ; Autom. Sch., Nanjing Univ. of Sci. & Technol., Nanjing, China ; Chen Xiao-du ; Xie Rong-Hua ; Chen Qing-wei

The modeling and control of a class of MIMO networked control systems are studied in this paper. First, for the problem of packet collisions caused by the synchronous sampling of the sensor nodes in multi-loops network control systems, the strategy of asynchronous sampling based on dividing the time slice is proposed. By analyzing the data transmission characteristics of networked control system with network-induced delay at the case of asynchronous sampling strategy, a discrete mathematical model of multi-loops networked control system is established. With the Lyapunov function and the Linear Matrix inequalities, the sufficient condition for asymptotic stability and output feedback control law of the system are proposed. Finally, a numerical example and simulation example based on True-time toolbox are given to verify the feasibility and effectiveness of the method.

Published in:

Intelligent Control and Automation (WCICA), 2012 10th World Congress on

Date of Conference:

6-8 July 2012