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一类时滞SIQRS网络病毒传播模型的稳定性和Hopf分支 被引量:5

Stability and Hopf Bifurcation of a Delayed SIQRS Model for Computer Virus Propagation
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摘要 考虑到网络中的计算机对网络病毒的临时免疫期,基于SIQR网络病毒传播模型提出了具有临时免疫期时滞的SIQRS网络病毒传播模型.利用特征方程方法,得到了模型有病毒平衡点局部渐近稳定和产生Hopf分支的充分条件.并给出一个仿真示例,对理论分析结果的正确性进行了验证. Considering the temporary immunity period of the recovered computers in the Internet ,a delayed SIQRS model is proposed based on the SIQR computer virus propagation model .Sufficient condi-tions for the locally asymptotical stability and existence of Hopf bifurcation are obtained by the characteris-tic equation method .A simulation example is given to test the theoretical results .
出处 《菏泽学院学报》 2015年第5期31-35,共5页 Journal of Heze University
基金 安徽财经大学2015年度大学生科研创新基金项目(XSKY1529) 安徽省高等学校省级自然科学研究项目(KJ2014A005)
关键词 时滞 HOPF分支 SIQRS模型 稳定性 time delay Hopf bifurcation SIQRS model stability
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