有限时间稳定性分析和随机SIR流行病模型的控制:对COVID-19的研究
Nallappan Gunasekaran1, R Vadivel2, Guisheng Zhai3
1Eastern Michigan Joint College of Engineering, Beibu Gulf University, Qinzhou 535011, China.
Biomedical signal processing and control
|June 20, 2023
概括
这项研究分析了使用有限时间稳定性的COVID-19等传染病的随机SIR模型. 它制定控制策略,以确保疾病的灭绝,这对公共卫生干预至关重要.
科学领域:
- 流行病学 流行病学
- 控制理论 控制理论
- 数学生物学 数学生物学
背景情况:
- 有限时间稳定性分析对于理解流行病学模型至关重要,包括COVID-19的流行病学模型.
- 使用切换信号的随机SIR模型用于表示受外部因素影响的疾病动态.
研究的目的:
- 在使用切换信号的随机SIR流行病模型上进行有限时间稳定性分析.
- 开发国家反控制器,确保疾病控制的有限时间稳定性.
主要方法:
- 利亚普诺夫稳定理论,平均停留时间方法和利亚普诺夫功能方法.
- 在线矩阵不等式 (LMI) 中推导有限时间稳定性标准的新型不等式技术.
- 对修改后的SIR模型进行分析,包括干预和参数变化.
主要成果:
- 对于随机SIR模型,在LMI中开发了一个有限时间稳定性 (FTS) 标准.
- 国家反控制器的设计旨在保证闭环系统的有限时间稳定性.
- 该研究通过模拟结果证明了控制策略的有效性.
结论:
- 开发的方法提供了确保疾病灭绝或在有限时间内持续存在的条件.
- 这项研究验证了针对管理COVID-19等传染病爆发的拟议控制措施的有效性.
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