期刊
ANNUAL REVIEWS IN CONTROL
卷 52, 期 -, 页码 479-494出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.arcontrol.2021.08.001
关键词
Epidemic processes; Event-triggered control; Complex networks; Geometric programming
资金
- JSPS, Japan KAKENHI Grant [21H01353]
- Japan Science and Technology Agency (JST), Japan ERATO HASUO Metamathematics for Systems Design Project [JPMJER1603]
The paper investigates the design of event-triggered controllers for containing epidemic processes in complex networks, focusing on the susceptible-infected-susceptible (SIS) model. It analyzes the stability of the proposed controller and derives a sufficient condition for achieving control objectives. A novel emulation-based approach is proposed for designing the event-triggered controller, showing effectiveness through numerical simulations in an air transportation network.
In this paper, we investigate the problem of designing event-triggered controllers for containing epidemic processes in complex networks. We focus on a deterministic susceptible-infected-susceptible (SIS) model, which is one of the well-known, fundamental models that capture the epidemic spreading. The event-triggered control is particularly formulated in the context of viral spreading, in which control inputs (e.g., the amount of medical treatments, a level of traffic regulations) for each subpopulation are updated only when the fraction of the infected people in the subpopulation exceeds a prescribed threshold. We analyze the stability of the proposed event-triggered controller and derive a sufficient condition for a prescribed control objective to be achieved. Moreover, we propose a novel emulation-based approach towards the design of the eventtriggered controller, and show that the problem of designing the event-triggered controller can be solved in polynomial time using a geometric programming. We illustrate the effectiveness of the proposed approach through numerical simulations using an air transportation network.
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