The FMECA(Failure Mode and Effect Analysis)analysis on the photoelectric shaft power testing system is per-formed by means of software Isograph.The weak link of the system is defined based on the calculation of the FT A(Failure Tree Analysis).The modal analysis on probe and code disk is carried out by using software Solidworks and ANSYS Work-bench.The analysis indicates that vibration may make the code disk severely deformed,which can guide the improvement of the existing system and effectively improve the reliability of the test system.
FMECA(Failure Mode and Effect Analysis)FTA(Failure Tree Analysis)shaft powerIsographANSYSmo-dality