Introduced the problems of rapid diagnostics, real-time inquiry and resource-sharing in insurances and maintenance for diesel generating set, exploited a portable auxiliary maintenance system based on PDA, and solved the problems of difficulty in maintenance for mobile power equipment.Presented the composition of the structure,modules function,as well as the key technologies involved with the process of design.%针对移动柴油发电机组保障维修存在的快速诊断、实时查询和资源共享等问题,利用故障树和数据库以及嵌入式开发技术,开发出一种基于PDA的便携式辅助维修系统,解决了移动电源装备维修难的问题.详细介绍了系统的组成结构、功能模块以及设计开发过程中涉及的关键技术等.
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