1. POTENTIAL FAILURE MODE AND EFFECTS ANALYSIS (FMEA) CARLCHU

2. F M E A FMEA: : A: / B: C: 3. F M E A FMEA FMEA FMEA FMEA FMEA FMEA FMEA 4. FMEA FMEA FMEAs 1: FMEA 2: ( FMEA) FMEA 3: ( FMEA) FMEA 5. FMEA FMEA ( ) FMEA OEM FMEA FMEA ( ) 6. 7. FMEA FMEA A. B. / / C. / FMEAs FMEA 8. F M E A FMEA FMEA 9. FMEA 10. FMEA FMEA FMEA FMEA 11. FMEA FMEA FMEA FMEA 12. FMEA FMEA FMEA FMEA 13. FMEA FMEA 14. FMEA 15. FMEA FMEA FMEA QFD 16. 1.2.3.4.5. 678 12.11.10.9. 0. ( ) FMEA , , < > FMEA ,1. FMEA 17. A B < >FMEA ,2. / , : A. , , : 18. 100 300 200 110 120 210 130 220 400 340 330 320 310 420 410 : # # # ( ) 111 112 113 19. 110120130210220230240250260310320410420 121122123221222223224225226227228229 , 100200300400 20. B. , , , / / , , : Rsys=R1R2. Rn : Rsys=1-(1-R)n R , 21. 210 220 230 240 260 250 22. FMEA B 23. (2) FMEA (1) (3)(4) (6)FMEA (7) 24. 25. 26. FMEA FMEA 1-22 FMEA FMEA F FMEA FMEAs FMEA 27. FMEA FMEA FMEA FMEA FMEA FMEA 28. OEM FMEA FMEA FMEA FMEA 29. 30. TGW,things-gone-wrong 31. 32. S FMEA 33. 2. DFMEA 12) (S) 10 9 ( ) 8 7 6 5 ( 75%) 4 50% 3 ( 25%) 2 1 34. 13) ( : ) 35. 14) 36. 37. 38. O 39. 40. 15) (O) FMEA ( 3) 3 1 41. 3. DFMEA 100 / 10 50 / 9 20 / 8 10 / 7 5 / 6 2 / 5 1 / 4 0.5 / 3 0.1 / 2 0.010 / 1 42. 16) DV 43. FMEA P D 44. D FMEA 45. 4 DFMEA / ` 10 ` 9 ` 8 ` 7 ` 6 ` 5 ` 4 ` 3 ` 2 ` 1 46. S O S S O D RPN FMEA 1000 18) RPN 47. RPN RPN 48. 49. 20) ) RPN RPN 50. FMEA FMEA 51. 52. F M E A 1. FMEA 2. FMEA FMEA 3. FMEA 4. FMEA 5. FMEA 53. 6. FMEA 7. FMEA Window of Opportunity 8. FMEA FMEA 9. by the book RPN FMEA 10. FMEA 54. F M E A FMEA F1 F2 B D C A F1. 55. ( A D B A ) 56. 2 F2 57. 1. 10000 3000 2. 99.5% 3. ( ) F2 58. FMEA PpK PpK 100 / >0.55 10 50 / 0.55 9 20 / 0.78 8 10 / 0.86 7 5 / 0.94 6 2 / 1.00 5 1 / 1.10 4 0.5 / 1.20 3 0.1 / 1.30 2 0.010 / 1.67 1 59.

5 Ppk

= 5/1000=0.05

0.05/2=0.0025 2

Z 0.0025 Z 2.81

Z=SL-X/

X=

SL=

2.Ppk=min(SL upper-X X SL lower/3

3 . Z

4.Ppk=z/3=2.81/3=0.9367=0.94

Ppk FMEA Ppk

60. Control Plans Design Intent Design Life Design Validation Verification DV Design of Experiments DOE Feature Pareto Vehicle Campaigns 61. Process Process Change Quality Function Deployment QFD Root Cause Special Process Characteristic Special Product Characteristic 62.