In recent years, theoretical and practical research on event-based communication strategies has gained considerable research attention due primarily to their irreplaceable superiority in resource-constrained systems（...In recent years, theoretical and practical research on event-based communication strategies has gained considerable research attention due primarily to their irreplaceable superiority in resource-constrained systems（especially networked systems）. For networked systems, event-based transmission scheme is capable of improving the efficiency in resource utilization and prolonging the lifetime of the network components compared with the widely adopted periodic transmission scheme. As such, it would be interesting to 1） examining how the event-triggering mechanisms affect the control or filtering performance for networked systems, and 2） developing some suitable approaches for the controller and filter design problems. In this paper, a bibliographical review is presented on event-based control and filtering problems for various networked systems. First, the event-driven communication scheme is introduced in detail according to its engineering background, characteristic, and representative research frameworks. Then, different event-based control and filtering（or state estimation） problems are categorized and then discussed. Finally, we conclude the paper by outlining future research challenges for event-based networked systems.展开更多
The distributed tracking control problem for heterogeneous multi-agent systems with unknown system dynamics is investigated.The objective is to provide a data-driven distributed tracking control protocol that ensures ...The distributed tracking control problem for heterogeneous multi-agent systems with unknown system dynamics is investigated.The objective is to provide a data-driven distributed tracking control protocol that ensures tracking performance between agents and the leader.To this end,the concept of data informativity for matching conditions is introduced.Then,the data-based sufficient and necessary conditions to achieve state tracking are provided.Meanwhile,a data-driven parameterisation approach for designing the distributed tracking control protocol is given.Compared with previous results,the reference input is considered in the leader's dynamics,and the computational burden is reduced by solving a set of data-based equations and inequality constraints rather than iteration.Additionally,the developed results are still appropriate for handling the tracking control issue of the single linear system,and the current constraint that the reference system be stable is eased.Finally,two simulation examples are given to verify the proposed schemes'effectiveness.展开更多
Dear Editor,This letter addresses distributed optimization for resource allocation problems with time-varying objective functions and time-varying constraints.Inspired by the distributed average tracking(DAT)approach,...Dear Editor,This letter addresses distributed optimization for resource allocation problems with time-varying objective functions and time-varying constraints.Inspired by the distributed average tracking(DAT)approach,a distributed control protocol is proposed for optimal resource allocation.The convergence to a time-varying optimal solution within a predefined time is proved.Two numerical examples are given to illustrate the effectiveness of the proposed approach.展开更多
Starting from centralized control model used in wavelength routed optical burst switching network, a distributed control model and correspondent wavelength resource reservation protocol are proposed in this paper. Two...Starting from centralized control model used in wavelength routed optical burst switching network, a distributed control model and correspondent wavelength resource reservation protocol are proposed in this paper. Two Quality- of-Service （QoS） methods, Based on the resourcereservation protocol, are discussed. Also, computer simulation is implemented to investigate the performance of the newly proposed reservation protocol and QoS methods. Simulation results demonstrate that the QoS methods can efficiently provide different level service quality to traffic＂ with different priorities. Furthermore, performances of the two QoS methods are compared concerning the QoS distinguished level, burst lost probability and implementation difficulty. It has been shown that the newly propose reservation protocol and QoS methods is a high qualified candidate for the future OBS networks.展开更多
基金supported by National Natural Science Foundation of China(No.61329301)the Royal Society of the UK+2 种基金the Research Fund for the Taishan Scholar Project of Shandong Province of Chinathe China Postdoctoral Science Foundation(No.2016M600547)the Alexander von Humboldt Foundation of Germany
文摘In recent years, theoretical and practical research on event-based communication strategies has gained considerable research attention due primarily to their irreplaceable superiority in resource-constrained systems（especially networked systems）. For networked systems, event-based transmission scheme is capable of improving the efficiency in resource utilization and prolonging the lifetime of the network components compared with the widely adopted periodic transmission scheme. As such, it would be interesting to 1） examining how the event-triggering mechanisms affect the control or filtering performance for networked systems, and 2） developing some suitable approaches for the controller and filter design problems. In this paper, a bibliographical review is presented on event-based control and filtering problems for various networked systems. First, the event-driven communication scheme is introduced in detail according to its engineering background, characteristic, and representative research frameworks. Then, different event-based control and filtering（or state estimation） problems are categorized and then discussed. Finally, we conclude the paper by outlining future research challenges for event-based networked systems.
基金supported in part by the National Key Research and Development Program of China under Grant 2022YFB3304800the National Natural Science Foundation of China under Grant U21A20475,61873050+1 种基金the Fundamental Research Funds for the Central Universities under Grant N2304007the Research Fund of State Key Laboratory of Synthetical Automation for Process Industries under Grant 2018ZCX14.
文摘The distributed tracking control problem for heterogeneous multi-agent systems with unknown system dynamics is investigated.The objective is to provide a data-driven distributed tracking control protocol that ensures tracking performance between agents and the leader.To this end,the concept of data informativity for matching conditions is introduced.Then,the data-based sufficient and necessary conditions to achieve state tracking are provided.Meanwhile,a data-driven parameterisation approach for designing the distributed tracking control protocol is given.Compared with previous results,the reference input is considered in the leader's dynamics,and the computational burden is reduced by solving a set of data-based equations and inequality constraints rather than iteration.Additionally,the developed results are still appropriate for handling the tracking control issue of the single linear system,and the current constraint that the reference system be stable is eased.Finally,two simulation examples are given to verify the proposed schemes'effectiveness.
基金supported by National Key Research and Development Program of China(2024YFE0214000)National Natural Science Foundation of China(62173308)+3 种基金Natural Science Foundation of Zhejiang Province of China(LRG25F030002)Zhejiang Province Leading Geese Plan(2025C01056)Jinhua Science and Technology Project(2022-1-042)Natural Science Foundation of Jiangsu Province(BK20240009).
文摘Dear Editor,This letter addresses distributed optimization for resource allocation problems with time-varying objective functions and time-varying constraints.Inspired by the distributed average tracking(DAT)approach,a distributed control protocol is proposed for optimal resource allocation.The convergence to a time-varying optimal solution within a predefined time is proved.Two numerical examples are given to illustrate the effectiveness of the proposed approach.
文摘Starting from centralized control model used in wavelength routed optical burst switching network, a distributed control model and correspondent wavelength resource reservation protocol are proposed in this paper. Two Quality- of-Service （QoS） methods, Based on the resourcereservation protocol, are discussed. Also, computer simulation is implemented to investigate the performance of the newly proposed reservation protocol and QoS methods. Simulation results demonstrate that the QoS methods can efficiently provide different level service quality to traffic＂ with different priorities. Furthermore, performances of the two QoS methods are compared concerning the QoS distinguished level, burst lost probability and implementation difficulty. It has been shown that the newly propose reservation protocol and QoS methods is a high qualified candidate for the future OBS networks.
