摘要
针对运用传统可靠性理论对柴油机进行可靠性评估的不足,论文以船用6135型柴油机喷油系统为研究对象,依据测试得到的系统工作性能参数,利用非齐次泊松过程模型描述其可靠性退化轨迹,并提出了在小子样条件下,运用Bayes定理进行改进的方法。实验表明,所构建的模型能够很好地体现出喷油系统的可靠性退化过程,从而为柴油机整体的可靠性评估提供了借鉴。
There are many shortcomings when we use the traditional models to assess the reliability of diesel engines. In this paper, we get some degradation data from the Type 6135 diesel engines＇ fuel injection system, and build an inhomogeneous poisson model to describe its degradation process. The experiment shows that the model fits the degradation process well. Furthermore, the method is also helpful to as- sess the reliability of the whole diesel engine.
出处
《舰船电子工程》
2013年第9期127-129,136,共4页
Ship Electronic Engineering
关键词
柴油机
喷油系统
可靠性
性能退化
diesel engines, fuel injection system, reliability, performance degradation
