应用模糊信息融合算法在瓦斯预测、小电流接地故障选线等多控制检测领域,在讨论基于融合的小电流接地故障选线模糊算法的基础上,提出了一种内嵌于Wince操作系统应用层的模糊信息融合算法,利用Wince多线程、多任务的优势,提高了算法的精度,同时提高了故障选线的准确性和实时响应.实验结果表明:基于模糊信息融合算法的故障选线方式具有很高的精度和鲁棒性. Application of fuzzy information fusion algorithm in the field of multi-control detection such as gas forecast and small current grounding fault line selection, based on the fusion algorithm of small current grounding fault line selection based on the proposed embedded in the Wince operating system application layer , This paper improves the accuracy of the algorithm and improves the accuracy and real-time response of fault line selection.The experimental results show that the fault line selection method based on fuzzy information fusion algorithm has the advantages of High accuracy and robustness.