What is the difference between reliability and availability?
quote:That article was the inspiration for my question.
What do you think of the points made in the article?
quote:You drive your car to work and then you park it in your building, your car is 100% available but it was only utilize for a couple of hours, 1 hour going to your work and 1 hour going home
quote:Originally posted by Josh:
Rui, in a plant environment, instruments are normally not repairable so replacement is a common policy eg transmitters. Hoever, control valve trims can be replaced.
quote:MTBF means Mean Time Between Failures and is the same as "the average time between two successive failures", therefore comprising the time to repair every failure, that is MTBF = MTTF + MTTR (Mean Time To Recover, Replace or Repair).
...the missile and the satellite are "repairable" while they stay at the stores but they are not as soon as they are "in service". The batteries are not repairable in service, that is, while the maintenance person in charge is away,
quote:I also know others who adopt the same definition as mine. I can't see any reasonable reason to maintain such a cumbersome definition:
quote:The process that you refer is still more complicated