Journal
SCIENCE CHINA-INFORMATION SCIENCES
Volume 63, Issue 9, Pages -Publisher
SCIENCE PRESS
DOI: 10.1007/s11432-018-2727-5
Keywords
hybrid system; finite-time synchronization; quantized intermittent control; stochastic perturbation
Funding
- National Natural Science Foundation of China [61673078, 61833005]
- Bowang Scholar Program of Chongqing Normal University
- Chongqing Natural Science Foundation [cstc2018jcyjAX0369]
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This paper considers the finite-time drive-response synchronization of stochastic nonlinear systems consisting of continuous-time and discrete-time subsystems. To save communication resources and reduce control cost, quantized controllers, which only work on continuous-time intervals, are designed. Owing to the hybrid characteristics of continuous- and discrete-time subsystems, existing finite-time stability theorems are not applicable. By developing novel analytical techniques, three criteria are derived to guarantee the finite-time synchronization. Moreover, the settling time is explicitly estimated. It is shown that the settling time is dependent not only on the control gains and systems' initial conditions, but also on the control width and uncontrolled width. Numerical examples demonstrate the effectiveness of the theoretical analysis.
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