Test-Fix-Find-Test Data Reference Example
Jump to navigation
Jump to search
 |
New format available! This reference is now available in a new format that offers faster page load, improved display for calculations and images and more targeted search.
As of January 2024, this Reliawiki page will not continue to be updated. Please update all links and bookmarks to the latest references at RGA examples and RGA reference examples.
This example compares the results for a test-fix-find-test data.
Reference Case
MIL-HDBK-189A, Section 7.5.2, pg. 206, 2009.
Data
| Termination Time = 400 hours | |
|---|---|
| Failure Time | Classification Mode |
| 0.7 | BC1 |
| 3.7 | BC1 |
| 13.2 | BC1 |
| 15 | BD1 |
| 17.6 | BC2 |
| 25.3 | BD2 |
| 47.5 | BD3 |
| 54 | BD4 |
| 54.5 | BC3 |
| 56.4 | BD5 |
| 63.6 | A |
| 72.2 | BD5 |
| 99.2 | BC4 |
| 99.6 | BD6 |
| 100.3 | BD7 |
| 102.5 | A |
| 112 | BD8 |
| 112.2 | BC5 |
| 120.9 | BD2 |
| 121.9 | BC6 |
| 125.5 | BD9 |
| 133.4 | BD10 |
| 151 | BC7 |
| 163 | BC8 |
| 164.7 | BD9 |
| 174.5 | BC9 |
| 177.4 | BD10 |
| 191.6 | BC10 |
| 192.7 | BD11 |
| 213 | A |
| 244.8 | A |
| 249 | BD12 |
| 250.8 | A |
| 260.1 | BD1 |
| 263.5 | BD8 |
| 271.1 | A |
| 274.7 | BD6 |
| 282.8 | BC11 |
| 285 | BD13 |
| 304 | BD9 |
| 315.4 | BD4 |
| 317.1 | A |
| 320.6 | A |
| 324.5 | BD12 |
| 324.9 | BD10 |
| 342 | BD5 |
| 350.2 | BD3 |
| 355.2 | BC12 |
| 364.6 | BD10 |
| 364.9 | A |
| 366.3 | BD2 |
| 373 | BD8 |
| 379.4 | BD14 |
| 389 | BD15 |
| 394.9 | A |
| 395.2 | BD16 |
| BD Mode | EF |
|---|---|
| 1 | 0.67 |
| 2 | 0.72 |
| 3 | 0.77 |
| 4 | 0.77 |
| 5 | 0.77 |
| 6 | 0.87 |
| 7 | 0.92 |
| 8 | 0.50 |
| 9 | 0.85 |
| 10 | 0.89 |
| 11 | 0.70 |
| 12 | 0.63 |
| 13 | 0.64 |
| 14 | 0.72 |
| 15 | 0.69 |
| 16 | 0.46 |
Result
Beta = 0.9103, Lambda = 0.2397
DMTBF = 7.84 hours
BD Mode Parameters: Beta = 0.7472, Lambda = 0.1820
PMBTF = 11.29 hours
Results in Weibull++
