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研究了功能可靠性仿真技术的需求背景，总结了近年来它的发展现状和各研究方向主要特点，分析了功能可靠性仿真的几个主要关键技术。提出了用于性能与可靠性综合建模及分析的新的表达法ＦｒａＮｅｔｓ，并通过案例验证了ＦｒａＮｅｔｓ在完成系统性能和可靠性分析中的能力。
The demand background of the function reliability simulation technology is researched. The current situation of development and the main characteristics of each research direction are summarized. Several key technologies of the function reliability simulation are analyzed. A new expression, FraNets, is proposed for comprehensive modeling and analysis of performance and reliability. The case studies demonstrate the ability of FraNets to perform system performance and reliability analysis.