卫星导航接收设备健康管理技术研究

针对卫星导航接收设备的技术特点和维护需求，基于故障检测与健康管理技术，提出了一种从射频前端、数字信号处理到算法实现全流程的预测与健康管理方案，搭建了卫星导航接收设备预测与健康管理系统体系结构。基于检测信息设置，完成信号处理与状态监测，开展卫星导航接收设备实时健康评估与寿命预测研究，根据评估与预测结果制定维护方案，实现卫星导航接收设备的健康管理。通过开展仿真试验与实际工程应用,验证了所设计的卫星导航接收设备健康管理方案的正确性与有效性，具有一定的工程推广价值。

Research on satellite navigation receiver health management technology

Considering the technical characteristics and maintenance requirements of satellite navigation receivers, based on the prognostics and health management (PHM) technology, the health management scheme which means a whole process including radio frequency front end, digital signal processing and algorithm implementation is proposed and the structure of satellite navigation receiver prediction and health management system is built. According to the detection information setting, the signal processing and state monitoring are completed, the real-time health assessment and life prediction research are carried out, and the maintenance scheme is formulated according to the evaluation and prediction results, and the health management of the satellite navigation receiver is realized. Through the simulation test and practical engineering application, the correctness and effectiveness are achieved by the designed health management scheme, and which has certain value of engineering application and spread.