Engine Life Prediction based on Degradation Data

Cao Yanhua,Guo Jinmao,Li Yong,Lv Huiqiang

Table 1 Sample data

Number Use time/h ${{\hat{p}}_{\max }}$/MPa ${{\hat{\theta }}_{fd}}$/oCA ${{\hat{V}}_{p}}$/g2 1 11 2.8950 34.9500 54.3540 2 38 2.8744 33.9796 48.7860 3 59 2.8647 33.9000 46.8470 4 103 2.8228 32.8462 42.8991 5 140 2.8090 32.1142 42.0632 6 187 2.7958 31.1880 38.8610 7 190 2.7847 31.1671 36.0951 8 250 2.7736 31.0942 31.3503 9 300 2.7521 30.3144 32.9560 10 320 2.7439 29.5521 32.7874 11 350 2.7330 29.0114 30.8780 12 390 2.7132 28.9751 31.7270 13 450 2.6739 27.5521 28.4621 14 497 2.6647 26.6285 26.5810 15 507 2.6527 26.4883 27.8581 16 550 2.6429 25.8854 25.1580