|
K-out-of-N With Repair |
|
|
|
|
K-out-of-N With Repair |
|
|
K-out-of-N With Repair
|
K-out-of-N With Repair |
|
|
|
|
K-out-of-N With Repair |
|
|
The formulas in the following table are used to compute MTBF and reliability for various redundant item loads with item repair.
MTBF (exact value)
Source Data |
Equations |
|
Repair |
Load of redundant items |
MTBF (exact value) |
Unrestricted |
100% |
|
Restricted |
100% |
|
Unrestricted |
0% |
|
Restricted |
0% |
|
Unrestricted |
0<ν100% 100% |
|
Restricted |
0<ν100% 100% |
|
Mission Reliability over time t0 (approximate value)
Source Data |
Equations |
|
Repair |
Load of redundant items |
Mission Reliability over time t0 (approximate value) |
Unrestricted |
100% |
|
Restricted |
100% |
|
Unrestricted |
0% |
|
Restricted |
0% |
|
Unrestricted |
0<ν100% 100% |
|
Restricted |
0<ν100% 100% |
|
Steady State Availability (approximate value)
Source Data |
Equations |
|
Repair |
Load of redundant items |
Steady State Availability (approximate value) |
Unrestricted |
100% |
|
Restricted |
100% |
|
Unrestricted |
0% |
|
Restricted |
0% |
|
Unrestricted |
0<ν100% 100% |
|
Restricted |
0<ν100% 100% |
|
Note: description of repair types like restricted / unrestricted may be found in the To enter data for an RBD element paragraph earlier in this chapter.
The source of the formulas is "Reliability Handbook" by B. A. Kozlov, I. A. Ushakov.
