Abstract
This paper studies the problem of finite-time stabilization of a class of switched linear time-varying delay systems. An event-triggered sampling mechanism and an event-triggered state feedback control are proposed. Based on Lyapunov-like function method, linear matrix inequality technique and averaged dwell time method, sufficient conditions for switched delay systems under event-triggered state feedback control are given to ensure the finite-time stabilization of the switched delay systems. Finally, a numerical example is given to verify the validity of the proposed results.
Highlights
The World Health Organization has declared COVID-19 as universal epidemic
The results indicate that the exponential growth model is better than ARIMA models for forecasting the COVID-19 cases
This study was conducted on the basis of confirmed daily cases of COVID-19 that were collected from the official World Health Organization (WHO) website from January 22, 2020 to March 25, 2020
Summary
The World Health Organization has declared COVID-19 as universal epidemic. All countries should take the necessary measures to limit the spread of the virus, on the basis of the analysis and modeling of data issued by the World Health Organization. With limited intensive care units and increasingly growing deaths, the failure of intensive care system is highly probable This will affect a much larger proportion of the world's population including youth in the workforce who may be asymptomatic but are forced to work from home and rationalize expenditures. The second aim of the study is to reach clear expectation of cases with these models in order to obtain more preparedness in health care systems in each of these countries and in countries where the disease begins to spread. This virus is considered a modified Corona virus, or what is called Covid-19, one that infects the respiratory system of humans and animals, and causes infection. The first case recorded in one family was in Vietnam through the transmission of the virus from father to son, but the first outbreak of the virus was on January 22 in Germany where infection was made by infected Chinese people in the state of Bavaria
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