中文摘要：

介绍了复杂船舶系统故障诊断、预测和健康管理（diagnosis,prognostics and health management,PHM）的来源、概念和特点。然后,重点分析国内外PHM技术研究现状,对不同类型的故障诊断、预测方法的现状、特点和发展趋势进行了分析,并分析了目前主流的舰船PHM系统的研究现状。在此基础上,剖析船舶PHM技术面临的技术挑战,展望其发展趋势和应重点关注的研究问题。

英文摘要：

The origin, concept and characteristics of diagnosis, prognostics and health management （PHM） in marine system are presented. Furthermore, the current research status, characteristics, and tendency of diagnosis and prognostics in this field is discussed analyzed. Status of PHM system of current PHM in marine is also analyzed. Finally, technique challenges, development tendency and major research concerns of PHM in marine system are indicated.