Mixed integer programming models for the synchronization of a project building planning with its supply chain
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Inclou dades d'ús des de 2022
Cita com:
hdl:2099.1/22690
Correu electrònic de l'autordiana.samaranchhotmail.com
Tutor / directorLamothe, Jacques
Tipus de documentProjecte/Treball Final de Carrera
Data2012
Condicions d'accésAccés restringit per decisió de l'autor
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Abstract
A project consists of a set of activities coordinated by precedence relationships. When this activities have
no needs of resources or the resources are unlimited, project management is easier and techniques like
PERT(program evaluation and review technique)[1] or CPM (Critical Path Method)[1] can be used.
The resource-constrained project scheduling problem (RCPSP) is one of the best known cumulative scheduling
problems due to its combinatorial complexity, the interest of the operational research community, and to its
numerous industrial applications. The basic RCPSP [2], [3] deals with scheduling activities subject to Finish-to-
Start precedence constraints with zero time-lags and renewable resources under the minimum project
completion time objective.
The context of the present research is the industrialization of the process of thermal insulation of buildings by
the outside. The idea is to manufacture in plants highly integrated big panels, that can be easily transported
and then plugged on building faces. . The planning -issue we address here concerns- the possible
synchronization of the project of a building renovation with the plant (or plants) that provide the panels. The
novelty is to move from a “on the building site” make to order production, to a mass customization supply
chain. Therefore, we are seeking for an homogenization of the renovation process to improve its efficiency in
all technical senses but also organizational and economic.
Objectives depend on the manager and his responsibilities in the supply chain. From a plant manager
perspective, it can be the perfect synchronization of the plant production and the on-site assembly in order to
avoid inventories.
In the building project manager idea, it is usually to finalize the project by the minimal possible time allowed by
the precedence relationships, and to minimize the cost of his on-site project.
The differences with the classical RCPSP[4] is that, in this case, the resources to be considered are both
renewable and non-renewable. Moreover the objective function is not only about to finish as early as possible,
as issues such as the synchronization of the project become very important.
Finally the issue is to provide a production planning that is compatible with the delivery of the project and the
availability of resources both renewable and non-renewable.
The former is the part of the problem on the supply chain perspective. The latter concerns the management of
the load on nonrenewable resources, which is moved from the building site to the plants.
Let consider the most general case we consider in this paper: one project of building with various suppliers
with resource constraints. These external resources are independent. It means that every resource has one
different supplier. But, it will be necessary to manage simultaneously the project on-site resources and
partners-plant resources.
MatèriesInsulation (Heat) -- Manufacturing, Production planning -- Mathematical models, PERT (Network analysis), Business logistics, Mathematical optimization, Aïllament tèrmic -- Fabricació, Producció -- Planificació -- Models matemàtics, PERT (Anàlisi de xarxes), Logística (Indústria), Optimització matemàtica
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