Efficient Plant September 2021 - 22

department | on the floor
Answers to questions
facing today's reliability
& maintenance
professionals
To Improve
Decision
Making
Dr. Klaus M. Blache
Univ. of Tennessee Reliability
and Maintainability Center
(RMC)
Use ML/AI Q
A
Is RCM the final answer?
What's next: ML/AIdriven
RCM?
By definition from John Moubray
(Reliability-Centered
Maintenance (2nd ed.), Industrial
Press Inc., NY): " Reliability-Centered
Maintenance is a process used to
determine what must be done to
ensure that any physical asset continues
to do what its users want it to do
in its present operating context. "
(ISBN: 0-8311-3078-4)1
" Mantenimiento Centrado en Confiabilidad:
un proceso utilizado para
determiner que se debe hacer para
asegurar que cualquier active fisico
continue hacienda lo que sus usuarios
quieren que haga en su context operacional
actual. " (ISBN: 09539603-2-3)
I also have the definition in German
and Chinese.
RCM is a global concept that has
passed the test of time. It enables a
logical methodology to implement a
company-appropriate and cost-effective
strategy for assets. It will not solve all
reliability problems. All failures will not
be eliminated. Remember that the goal
is not just to maintain it better, but to see
if the maintenance (reason for failure)
can be eliminated. RCM is an ongoing
process, not an event.
RCM is rarely, if ever, applied to all
assets. It's understood that most failures
are random, so a time-based approach
should not be a dominant strategy.
Similar equipment may need different
maintenance. You cannot maintain
your way to better reliability. The asset is
limited by the inherent reliability of the
design/installation. More maintenance is
probably not better. Allow select failures
based on consequence and return on
investment. RCM moves the thinking
and decision making to a more comprehensive
view and an economically
feasible way of protecting asset functions
at the system level. If any of these stateBenefits
of increased use of ML/AI in
reliability and maintenance include better
insights into finding failure modes and
recognizing pending asset failures earlier.
22 | EFFICIENTPLANTMAG.COM
SEPTEMBER 2021
http://www.EFFICIENTPLANTMAG.COM
Efficient Plant September 2021

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