本文基于人机系统中人行为形成因子内涵的界定和人的差错元概念的定义,从系统的角度出发,对人的失误机理进行了辩识,依此揭示出人失误的原因与三类认知行为单元的关系,并且分析了人在差错状态下的不同恢复过程及其结构方式;最后,文中对现有的几种典型的人可靠性分析方法进行了评述,指出人机系统中人的失误机理辩识的可靠性分析方法研究的发展方向. Based on the definition of connotation of human behavior formation factor in human-computer system and the definition of human error element, this dissertation identifies the human error mechanism from the perspective of system and reveals the causes of human error and three types of recognition Knowledge of the relationship between the units, and analysis of human error in the state of the different recovery process and the structure of the way; Finally, the paper describes several existing reliability analysis of typical people that the human-machine system of human The Development Trend of Reliability Analysis Method of Fault Mechanism Identification.