劳斯莱斯公司通过长期测评其全球喷气式发动机的工作情况，可以预测发动机在什么时候更有可能出现故障，从而安排顾客更换发动机。
By continuously dassessing the performance of its jet engines around the world, Rolls-Royce is able to predict when engines become more likely to fail so that customers can schedule engine changes.
从故障代码的人工识别方法、读取步骤、故障码信息含义及相应故障情况等方面，介绍了丰田5a -FE型发动机自诊断系统的应用情况及使用方法。
It introduces the application and the method of self-diagnosis system of 5a-fe Toyota engine, especially in the identification, read process, significance of fault codes and the like.
从检测结果分析发动机的缸内燃烧情况、工作情况以及故障部位。
Analyzing the combustion conditions, work conditions and fault part of the engine in-cylinder from the test results.
在引入故障影响因素的情况下，针对液体火箭发动机中常见的典型故障模式进行稳态故障效应仿真和分析，为该发动机的故障检测与诊断工作奠定了基础。
Then the variation of main engine parameters were analysed based on the simulation results. This work laid the foundation for fault detection and diagnoses of this engine.
对发动机气缸压力和瞬时转速的分析和研究是获取发动机工作情况和故障原因的重要手段；
The analysis and research of engine cylinder pressure and transient speed is the important method to obtain the working condition and breakdown reason of engine.
为了在地面实验中监测航空发动机的振动情况和进行故障诊断，研制了高速数据采集系统、信号处理系统以及基于模糊聚类方法上的故障诊断系统。
The high speed data sampling and signal analysis system is investigated for vibration monitoring and fault diagnosis of aircraft engine in the case of stationary experiments.
为了在地面实验中监测航空发动机的振动情况和进行故障诊断，研制了高速数据采集系统、信号处理系统以及基于模糊聚类方法上的故障诊断系统。
The high speed data sampling and signal analysis system is investigated for vibration monitoring and fault diagnosis of aircraft engine in the case of stationary experiments.
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