基于MIC总线的军用车载网络故障诊断与测试方法研究  

Research on Diagnosis and Testing Methods of Military Vehicles' Network Based on MIC Bus

作　　者：宋小庆[1] 陈永星[1] 赵梓旭[1] 朱昀炤[1] 

机构地区：[1]装甲兵工程学院控制工程系,北京100072

出　　处：《计算机测量与控制》2014年第12期4001-4004,共4页Computer Measurement &Control

摘　　要：针对军用车辆综合电子系统故障机理复杂、检测方法单一等问题,文章构建了MIC网络主动和被动相结合的在线数据测试方法,从消息传输的完整性和实时性角度系统地提出了网络性能测试及分层故障定位模型,运用在线数据解析技术和实时数据库管理技术进行了网络测试设备的开发;在某型车辆的实车测试实验中,系统故障定位明确且测得报警信息的实时传输时间小于理论值20.0ms,满足相关性能指标要求,同时也证明了上述测试方法和测试模型的可行性和有效性。Aiming at the problem of complex fault mechanism and simple testing method of military vehicles＇ integrated electronic system,the paper builds an online combining active and passive testing method.For the perspective of completeness and timeliness of messa ges＇ transmission,it proposes network＇ s performance testing and fault location model and develops a kind of network test equipment using online data analysis technology and real-time database management technology.In the testing experiment of a certain type of real vehicle,the system can definitely realize fault location and the transmission time of alarm messages is less than the theoretical value,which is 20.0 ms.These can meet the performance requirements and prove the feasibility and effectiveness of the testing methods and models.

关 键 词：故障诊断 MIC总线 性能测试 

分 类 号：U472.9[机械工程—车辆工程]