Title :
Stability of Sequence-Based Control With Random Delays and Dropouts
Author :
Quevedo, D.E. ; Jurado, I.
Author_Institution :
Sch. of Electr. Eng. & Comput. Sci., Univ. of Newcastle, Newcastle, NSW, Australia
Abstract :
We study networked control of nonlinear systems where system states and tentative plant input sequences are transmitted over unreliable communication channels. The sequences are calculated recursively by using a pre-designed nominally stabilizing state-feedback control mapping to plant state predictions. The controller does not require receipt acknowledgments or knowledge of delay or dropout distributions. For the i.i.d. case, in which case the numbers of consecutive dropouts are geometrically distributed, we show how the resulting closed loop system can be modeled as a Markov nonlinear jump system and establish sufficient conditions for stochastic stability.
Keywords :
Markov processes; closed loop systems; delay systems; nonlinear control systems; random processes; stability; state feedback; Markov nonlinear jump system; closed loop system; nonlinear system networked control; random delays; sequence-based control stability; state-feedback control mapping; stochastic stability; Actuators; Delays; Fading; Stability analysis; Stochastic processes; Control over networks; networked control systems; nonlinear control systems; packet drops; random time delay; stability analysis; stochastic systems;
Journal_Title :
Automatic Control, IEEE Transactions on
DOI :
10.1109/TAC.2013.2286911