Abstract:According to the requirements of self-repair and reconfiguration to weapon system, and the characters of distribute systems, the distribute weapon system has lots of function nodes and complex communications. The method of fault detection of distribute weapon system becomes the focus of weapon maintain and logistic. The paper use the complex networks theory to model the distribute system; use the community structure of complex networks to analyze the structure of system, the new method of multi-scale mapping has been promoted. At last use the Autonomous Decentralized Test System as an example to test the method, which shows a new train of thought for distribute weapon System fault detection.