# Reliability Optimization Design of Diesel Engine System Based on the GO Method
## 4 Results and Analysis
### Optimization Result
4**} \\ \cline{2-9}  & \(R_{low}\) & \(R_{up}\) & \(R_{low}\) & \(R_{up}\) & \(R_{low}\) & \(R_{up}\) & \(R_{low}\) & \(R_{low}\) & \(R_{up}\) \\ \hline Water pump & 0.998170 & 0.999970 & 0.998297 & 0.999970 & 0.998170 & 0.999965 & 0.998102 & 0.999965 \\ Oil heat exchanger & 0.999806 & 1.000000 & 0.999869 & 1.000000 & 0.999811 & 1.000000 & 0.999806 & 1.000000 \\ Water channel & 0.995991 & 0.999987 & 0.997974 & 0.999981 & 0.995995 & 0.999993 & 0.996126 & 0.999982 \\ Intercooler & 0.997630 & 1.000000 & 0.997263 & 1.000000 & 0.997630 & 1.000000 & 0.997633 & 1.000000 \\ Water jacket & 0.999647 & 1.000000 & 0.999626 & 1.000000 & 0.999647 & 1.000000 & 0.999666 & 1.000000 \\ Cylinder cover & 0.999856 & 1.000000 & 0.999886 & 1.000000 & 0.999856 & 1.000000 & 0.999887 & 1.000000 \\ Return pipe & 0.999459 & 1.000000 & 0.999463 & 1.000000 & 0.999446 & 1.000000 & 0.999450 & 1.000000 \\ Main return pipe & 0.996718 & 0.999715 & 0.998611 & 0.99999 & 0.996808 & 0.999715 & 0.996723 & 1.000000 \\ Water radiator & 0.999646 & 0.999864 & 0.999743 & 0.999684 & 0.999646 & 0.99964 & 0.99964 & 0.999684 \\ Oil pump transmission gear & 0.999669 & 0.999949 & 0.999672 & 0.999949 & 0.999658 & 0.999949 & 0.999671 & 0.999948 \\ Oil pump gear & 0.999054 & 1.000000 & 0.999012 & 1.000000 & 0.99956 & 1.000000 & 0.999051 & 1.000000 \\ Sump & 0.999001 & 0.999997 & 0.999008 & 0.999978 & 0.999002 & 0.999997 & 0.999002 & 1.000000 \\ Oil pump & 0.999117 & 1.000000 & 0.999121 & 1.000000 & 0.999117 & 1.000000 & 0.999125 & 1.000000 \\ Pressure relief valve & 0.990162 & 0.999076 & 0.990153 & 0.998823 & 0.999164 & 0.999076 & 0.990047 & 0.99806 \\ Oil heat exchanger & 0.999000 & 1.000000 & 0.999017 & 1.000000 & 0.999900 & 1.000000 & 0.999017 & 1.000000 \\ bypass valve & 0.999000 & 1.000000 & 0.999004 & 1.000000 & 0.999000 & 1.000000 & 0.999000 & 1.000000 \\ Pressure relief valve & 0.994921 & 0.999867 & 0.998858 & 0.999849 & 0.994119 & 0.999867 & 0.994100 & 0.999847 \\ Centrifugal filter & 0.990531 & 0.999930 & 0.991274 & 0.999969 & 0.990527 & 0.999933 & 0.991257 & 0.999932 \\ Oil filter & 0.999074 & 0.999999 & 0.999069 & 0.99999 & 0.999074 & 0.999999 & 0.999074 & 0.99999 \\ bypass valve & 0.999811 & 1.000000 & 0.999847 & 1.000000 & 0.999812 & 1.000000 & 0.999811 & 1.000000 \\ Main oil channel & 0.999569 & 0.999897 & 0.999686 & 0.999897 & 0.999569 & 0.999887 & 0.999570 & 0.999898 \\ Oil channel & 0.999759 & 0.999929 & 0.999928 & 0.999983 & 0.999759 & 0.999929 & 0.9999761 & 0.999928 \\ Oil distribution seat & 0.999253 & 1.000000 & 0.999537 & 0.999999 & 0.999264 & 1.000000 & 0.999514 & 1.000000 \\ Speed sensor & 0.999762 & 1.0000000 & 0.99923 & 1.000000 & 0.999762 & 1.000000 & 0.999785 & 1.000000 \\ Water temperature sensor & 0.999696 & 1.000000 & 0.999851 & 0.9999989 & 0.999783 & 1.000000 & 0.999696 & 0.99998 \\ Oil pressure sensor & 0.999729 & 0.999999 & 0.999729 & 1.000000 & 0.999729 & 0.999999 & 0.999729 & 0.999999 \\ Exhaust temperature sensor & 0.999328 & 1.000000 & 0.999355 & 0.999999 & 0.999411 & 1.000000 & 0.999409 & 1.000000 \\ Pedal & 0.999530 & 0.999995 & 0.999532 & 1.000000 & 0.999530 & 0.999995 & 0.999531 & 1.000000 \\ Controller & 0.999748 & 0.999990 & 0.999836 & 1.000000 & 0.999748 & 0.999990 & 0.999787 & 0.999985 \\ Twin tower gear & 0.99950 & 0.999998 & 0.999697 & 0.999818 & 0.999590 & 0.999998 & 0.999712 & 0.999998 \\ Oil injector gear & 0.999819 & 1.000000 & 0.999892 & 1.000000 & 0.999819 & 1.000000 & 0.999843 & 1.000000 \\ Gas distribution idler & 0.999593 & 1.0000000 & 0.999594 & 0.999968 & 0.999593 & 1.000000 & 0.999551 & 0.999949 \\ Oil pump gear & 0.999380 & 1.0000000 & 0.999484 & 1.000000 & 0.999378 & 1.000000 & 0.999381 & 0.999986 \\ Fuel tank & 0.997844 & 0.999957 & 0.997837 & 0.999957 & 0.997843 & 0.999957 & 0.997842 & 0.999957 \\ Strainer & 0.999594 & 0.999972 & 0.999653 & 0.999995 & 0.999959 & 0.999972 & 0.999661 & 0.999985 \\ Inlet pipe contact & 0.999271 & 0.999989 &