Fig. 1. Estimated MTBF based on OT failure data
Fig. 2. Failure intensity functions based on OT failure data
Fig. 3. Estimated MTBF based on FT failure data
Fig. 4. Failure intensity functions based on FT failure data
Fig. 5. Diaphragm damage area
Fig. 6. Relay circuit on the fire control computer
Fig. 7. The circuit with the diode connections
Fig. 8. The test configuration for the pressure switch
Fig. 9. Parameter(ƞ, β) estimation for accelerated life data of the hydaulic motor
Fig. 10. The test configuration for the relay circuit
Fig. 11. Parameter(ƞ, β) estimation for accelerated life data of the fire control computer
Table 1. Summary of failure data
Table 2. Results of launcher system OT failure data analysis
Table 3. Results of launcher system FT failure data analysis
Table 4. The result of the accelerated life test for the hydraulic motor(Cycles)
Table 5. The result of the accelerated life test for the fire control computer(Cycles)
참고문헌
- C. H. Lee, Y. S. Ku, H. E. Hong, I. H. Jung, D. I. Park and S. B. Kim, “A Study on Reliability Program of the Armed Vehicles,” Journal of the Korean Society for Quality Management, Vol. 44, No. 3, pp. 565-574, 2016. https://doi.org/10.7469/JKSQM.2016.44.3.565
- J. Ko, S. K. Lee, S. Kwon, S. Noh, T. Chung, C. Park and M. Kim, “Reliability Growth Program,” Journal of Applied Reliability, Vol. 6, No. 1, pp. 13-25, 2006.
- Y. J. Lee, G. B. Bae, Y. M. Heo, J. H. Seo, S. B. Kim, J. K. Choi and W. J. Park, “Reliability Growth Management for Armed Vehicle : Launcher System Case Study,” Journal of the Korean Society for Quality Management, Vol. 45, No. 4, pp. 981-994, 2017. https://doi.org/10.7469/JKSQM.2017.45.4.981
- MIL-HDBK-189C, Reliability Growth Management, Department of Defense, 2011.
- W. Nelson, "Accelerated Testing - Statistical Models, Test Plans, and Data Analysis," Wiley, New York, 1990.