基于混沌理论软件可靠性定性仿真建模方法

Methodology on qualitative simulation modeling of software reliability based on chaos theory

针对目前可靠性复杂软件系统存在的安全性问题,提出基于混沌理论的软件可靠性定量与定性相结合的仿真建模方法.首先,借助非线性混沌定量预测分析方法合理预测软件演变规律;其次,引入基于定量预测分析基础上的定性仿真建模预测分析方法,对定量预测结果进一步验证和推理,挖掘构建软件可靠性混沌建模的内在规律;最后,将QSIM算法应用在软件可靠性建模与预测分析的研究中,并且采用软件可靠性建模与预测评估手段给出软件可靠性度量标准,帮助检验和验证软件的可靠性.该研究成果可为软件可靠性建模提供新的方法和策略,提高软件可靠性建模预测分析的可行性和准确性,并且可以广泛应用到企业软件开发实践中,有助于企业发现影响软件可靠性的各种因素,解决软件安全性问题.

As to the software security issues existing in reliability software complex systems,this paper applies simulation modeling method combined quantitative and qualitative based on chaos theory.Firstly,this paper applies quantitative prediction of chaotic nonlinear analysis method with reasonable prediction to software evolution;Secondly,the introduction of qualitative simulation modeling and analysis based on quantitative forecasting methods,which is further validation and reasoning to quantitative predictions,digging software reliability modeling chaos inherent laws;Finally,the existing QSIM algorithm is applied in the study of software reliability modeling and prediction analysis,and then the software reliability modeling and prediction assessment tools used in the project gives the software reliability metrics to help test and validate the reliability of the software.The research results provide a new software reliability modeling method and idea to improve the feasibility and accuracy of predictive modeling to software reliability analysis,which can be fully applied in corporate software development practice and help companies to find a variety of factors that affect the software reliability,to solve the software security problem.