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信息化条件下维修保障系统是由分散的维修保障节点所构成的网络化系统,其节点规模与节点间连接关系决定了维修保障系统的效能,因而维修系统具有典型的网络效应特性。为测度维修保障系统的网络效应这一动力学特性,从维修系统基本构成要素出发引入基元模型的概念,建立了与现有维修保障策略相对应的维修保障系统的最小网络表示,定义了网络效应的计算公式,并从连接增长与节点增长两个方面研究了维修保障系统的结构效应和演化效应。初步的计算结果表明,该方法能较好地测度不同维修保障系统的效能,从而可用于指导维修保障信息化建设的布局和研究信息化条件下维修保障系统的运作规律。
Under the condition of informationization, the maintenance support system is a networked system composed of decentralized maintenance support nodes. The node size and the connection between nodes determine the efficiency of the maintenance support system. Therefore, the maintenance system has typical network effect characteristics. In order to measure the dynamic characteristic of the network effect of the maintenance support system, the concept of the elementary model is introduced from the basic components of the maintenance system, and the minimum network representation of the maintenance support system corresponding to the existing maintenance support strategy is established. The network Effect formula, and studies the structural effect and evolutionary effect of maintenance support system from two aspects: connection growth and node growth. The preliminary calculation results show that this method can measure the effectiveness of different maintenance support systems well, and thus can be used to guide the layout of maintenance information system and study the operation rules of maintenance support system under the condition of informationization.