复杂系统可靠性的GO法精确算法

GO法是以成功为导向的系统可靠性分析方法 ,直接进行系统可靠性定量计算是 GO法的优点。但是对复杂系统 ,GO运算过程中需要保留共有信号项 ,并进行修正处理 ,直接计算较难实现。该文给出了对共有信号项进行修正的计算公式推导过程 ,并提出了有共有信号的复杂系统中 GO法定量计算的新的精确方法 ,只要对共有信号的状态组合进行多次简单的 GO运算 ,就可以计算系统所有信号流状态概率的精确值。算例说明方法是正确的 ,结果是精确的 ,此方法简单有效 ,使 GO法得到进一步发展和应用

Exact algorithm for complex system reliability using the GO methodology

The GO methodology is a useful method for system reliability analysis since the method can directly calculate a reliability for simple systems, but the analysis is more difficult for complex systems with shared signals. This paper presents a method for analyzing shared signals by modifying the logic operator formulas and presents a new exact algorithm to calculate the reliability of complex systems. Iterative solutions of the simple GO methodology for various state combinations of the shared signals are used to calculate all the signal state probabilities of complex systems. Results of an example show that the algorithm is effective and accurate. The exact algorithm in this paper will further develop the GO methodology for more practical applications.