The control and scheduling for wireless networked control system with packet dropout and disturbance are investigated.A prediction based event triggered control is proposed to reduce data transmissions while preservin...The control and scheduling for wireless networked control system with packet dropout and disturbance are investigated.A prediction based event triggered control is proposed to reduce data transmissions while preserving the robustness against external disturbance.First,a trigger threshold is especially designed to maintain the difference of the estimated and actual states below a proper boundary when system suffers from packet dropout.Then a predictive controller is designed to compensate for packet dropouts by utilizing the packet-based control approach.The sufficient conditions to ensure the closed-loop system being uniformly ultimately bounded are derived,with consequently the controller gain method.Numerical examples illustrate the effectiveness of the proposed approach.展开更多
The scheduling and control of a class of wireless networked control system is investigated,whose control loop is closed via a shared IEEE 802.15.4 wireless network. By using a gain scheduler within the packet-based co...The scheduling and control of a class of wireless networked control system is investigated,whose control loop is closed via a shared IEEE 802.15.4 wireless network. By using a gain scheduler within the packet-based control framework and fitting the delay-dependent gains into a time-delay system model, a less conservative self-triggered approach is proposed to determine the sampling update,which consequently enables the design of two network scheduling algorithms to reduce the communication usage. Numerical and TrueT ime based examples illustrate the effectiveness of the proposed approach in the sense that it reduces greatly the communication usage while maintaining satisfactory control performance.展开更多
基金supported in part by the National Natural Science Foundation of China under Grant No.61673350in part by the Major Projects Foundation of Zhejiang under Grant No.2017C03060。
文摘The control and scheduling for wireless networked control system with packet dropout and disturbance are investigated.A prediction based event triggered control is proposed to reduce data transmissions while preserving the robustness against external disturbance.First,a trigger threshold is especially designed to maintain the difference of the estimated and actual states below a proper boundary when system suffers from packet dropout.Then a predictive controller is designed to compensate for packet dropouts by utilizing the packet-based control approach.The sufficient conditions to ensure the closed-loop system being uniformly ultimately bounded are derived,with consequently the controller gain method.Numerical examples illustrate the effectiveness of the proposed approach.
基金supported by the National Natural Science Foundation of China under Grant Nos.61673350,61725304,61673361the Thousand Talents Plan of China and Zhejiang+1 种基金the Youth Top-Notch Talent Support Programin part by the Youth Yangtze River Scholar。
文摘The scheduling and control of a class of wireless networked control system is investigated,whose control loop is closed via a shared IEEE 802.15.4 wireless network. By using a gain scheduler within the packet-based control framework and fitting the delay-dependent gains into a time-delay system model, a less conservative self-triggered approach is proposed to determine the sampling update,which consequently enables the design of two network scheduling algorithms to reduce the communication usage. Numerical and TrueT ime based examples illustrate the effectiveness of the proposed approach in the sense that it reduces greatly the communication usage while maintaining satisfactory control performance.
