【摘要】 航空发动机单元体性能的好坏直接关系到整台发动机是否能正常运转,运用主成分分析法对发动机的运行数据进行分析计算,提取出一个健康指数来表征单元体性能的衰退程度,并对各个单元体的状况进行评估。通过对实际运行的数据分析表明,该评估方法切实可行,使单元体的评估更为准确合理。更多还原

【Abstract】 The modules performance of aero-engines is relative to normal operations of the whole engine.Using principal components analysis,the paper analyses and calculates operation data of engines then extracts a health index to stand for deterioration degree of modules performance,and assesses condition of every module.Practical operation data analysis shows that this assessment method is feasible,and module assessment is correct and reasonable.更多还原