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|Title: ||Aircraft Components Maintenance Shop Production Planning Random Events Prioritization|
|Authors: ||Santos, Jorge|
|Issue Date: ||22-Jul-2011|
|Publisher: ||Study Groups with Industry, Mathematics in Industry (http://www.maths-in-industry.org/)|
|Citation: ||81st European Study Group with Industry
23rd–27th May 2011
Centro de Matemática Aplicada à Previsão e Decisão Económica
Instituto Superior de Economia e Gestão
|Abstract: ||TAP Maintenance & Engineering (TAP M&E) is responsible for the
maintenance and repair of aircraft components. Components with and without
Customer Required Dates (CRDs) are distributed among TAP M&E
groups and their respective technicians based on the type of repair and on
the technicians skills and workload. This procedure is currently done in an
empirical manner based on the group leader’s past experience. This report
addresses the following two problems, which were posed by TAP M&E during
the 81st European Study Group with Industry, with the aim of improving
the currently implemented assignment procedure:
(1) To prioritize the randomly arriving aircraft components.
(2) To optimally distribute and schedule the repairs of the components
amongst the technicians of the repair groups.
An estimation formula for the CRDs of components that do not have one
preassigned is proposed and used to prioritize the list of repairs. The importance
of selecting good estimators for the interarrival times between repair
requests, the turn-around-times and the man hours for repairs is discussed.
In addition, a model for the assignment and scheduling problem is designed
and a preliminary algorithm along with a numerical illustration is presented.|
|Appears in Collections:||CIMA - Relatórios|
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