15.11.2012 Views

Integrated and Modular Systems for Commercial ... - Nonstop Systems

Integrated and Modular Systems for Commercial ... - Nonstop Systems

Integrated and Modular Systems for Commercial ... - Nonstop Systems

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

1<br />

System<br />

Reliability<br />

λunit = 5x10-5 Example:<br />

/h<br />

MTBFunit = 20,000 hrs<br />

N-Parallel Redundancy<br />

0.5<br />

0<br />

20k<br />

(=MTBF)<br />

40k<br />

Operating<br />

time (hrs) 100k<br />

15<br />

- goals: low cost & low redundancy but high rel. & safety - 41 38<br />

10<br />

5<br />

60k<br />

Number of redundant units<br />

3<br />

Desired<br />

region<br />

0.5<br />

100k<br />

1<br />

0.9 - 0.95<br />

©1995-1997 F.M.G. Dörenberg

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!