MPC-based computer network control strategy with stochastic time delay | IEEE Conference Publication | IEEE Xplore

MPC-based computer network control strategy with stochastic time delay


Abstract:

This paper presents a novel model predictive control (MPC) strategy to overcome the adverse influences of stochastic time delay on a network control system (NCS). A contr...Show More

Abstract:

This paper presents a novel model predictive control (MPC) strategy to overcome the adverse influences of stochastic time delay on a network control system (NCS). A controller node determines the predictive values of a manipulated variable and transmits them to the corresponding smart actuator node. If the present value of a manipulated variable is unavailable due to time delay, the actuator implements a predictive one. The switch of a manipulated variable between the present value and predictive may one cause the unsmooth operation of a system. Therefore, a simple low-pass filter is used to solve the problem. Similarly, when the present value of a controlled variable cannot reach the corresponding controller node in time from a smart sensor node, its predictive value is also employed by the controller node. A simulation study demonstrates the effectiveness of the proposed approach in an NCS with stochastic time delay.
Date of Conference: 08-08 October 2003
Date Added to IEEE Xplore: 10 November 2003
Print ISBN:0-7803-7952-7
Print ISSN: 1062-922X
Conference Location: Washington, DC, USA

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