Subject:C4RELIABILITYTESTREPORT
Totaltestquantity:20piecesofAX4PER-N:
Failurequantity:0
AccelerationFactor:WinME/Winstone2001:100;WinNT/HCT:80;
MS-DosReboot/Timer:60;UNIX/HCP:70;
C=90%,α=1-C=0.1,T=AccumulatedTestTime
Under90%confidencelevel,theestimationMTBFofAX4PER-N
WinME/Winstone2001:T1=((1X8)+(4X9)+(4X4))X100=6,000
WinNT/HCT:T2=(5×48)×80=19,200MS-DOS
Reboot/Timer:T3=(144×5)X60=43,200
UNIX/HCP:T4=(144×5)X70=50,400
T=T1+T2+T3+T4=118,800
MTBF={2T/X2(α,2r+2),∞}
={2×118,800/4.61,∞}
={51,540,∞}
Conclusion:BasedonReliabilityQualificationTestresultandspec.(MTBF≧40000hrs.)
MTBFlowsidelimit(51,540≧40000)
ItisconcludedPASS.
摘要内容. |