INVESTIGACAO OPERACIONAL PDF

Trevisanuto D., Putoto G., Pizzol D., Serena T., Manenti F., Varano S., Urso E., Massavon W., Tsegaye A., Wingi O., Onapa E., Segafredo G., Cavallin F. A obra integra uma coleção de casos de aplicação da Investigação Operacional em Portugal, relatando atuações reais com forte ligação empresarial que. fabrics and fall fashions* investiga¸ca˜o operacional mestrado integrado em engenharia industrial gest˜ao ano letivo / 14 de outubro de caso de.

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The increased visibility of this field in the unit is a consequence of the merge of two former units. Robust hybrid solution strategies based on mixed integer linear programming formulations and heuristic-based approaches, such as aggregation and decomposition methods, are proposed and illustrated on industrial-scale problems. Processing tasks are energy intensive and we consider time- dependent electricity pricing and availability together with multiple intermediate due dates, handled as hard constraints.

Log In Sign Up. Three alternative process models for the energy-intensive melt shop of a steel plant are proposed and linked to a discrete-time formulation.

However there is still opetacional potential for improvements, especially in transferring academic results into industry. Efficient MILP-based solution strategies for large-scale industrial batch scheduling problems more. Their contributions in Stochastic Optimisation investigavao also noteworthy, as well as in areas such as Multicriteria Optimisation and Generalized Disjunctive Programming.

It is combined with a. Mechanical Engineering and Chemical Engineering. A hybrid scheduling approach for automated flowshops operacionsl material handling and time constraints more. We group the significant contributions of the unit into three areas of research: The international visibility of CMAFcIO can be seen in several other aspects that result from the active research of its members: This Unit is formed by: The results show a trade-off between accurate representation of problem data and computational performance.

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Above all, the aim of the paper is to focus on the industrial aspects of scheduling and discuss the main characteristics, including strengths and weaknesses of the presented approaches. The center develops research in the area of Mathematical Sciences, covering domains that range from foundations to applications.

A typical flowshop process consists of successive manufacturing stages arranged in a single production line where different jobs have to be processed following a predefined production recipe. This work addresses the scheduling of continuous single stage multiproduct plants with parallel units and shared storage tanks. Remember me on this computer. Scope for industrial applications of production scheduling models and solution methods more. In this paper, the resource—task network is used Click here to sign up.

Greedy algorithm for scheduling batch plants with sequence-dependent changeovers more. A new discrete-time aggregate formulation is proposed to rapidly plan the production levels. Research topics of this kind vary from forest management to analysis and simulations of reaction-diffusion models, the dynamics of fish populations, dengue epidemiology, health care data, sensor location analysis, mass rescue operations, fishing surveys sampling operations, bus driving rerostering, parking enforcement agents routing, and optimal scheduling of petroleum refineries.

It is claimed that optimization tools of today can effectively support the plant level production. Wassickand C. In this work, the scheduling of a complex flowshop process involving automated wet-etch station from semiconductor manufacturing systems requires a proper synchronisation of processing and transport operations, due to stringent storage policies and fixed transfer times between stages.

HarjunkoskiJohn HookerS. Optimal scheduling of continuous plants with energy constraints more.

Investogacao main objectives are to pursue deep studies in areas of mathematics, to train young researchers at several stages of their career, and to foster and develop applications to relevant problems in the Sciences and from Industry. A typical flowshop process consists of successive manufacturing stages arranged in a single production line where different In this paper, the resource—task network is used to provide a generic modeling framework for production scheduling under energy constraints.

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For instance, usability, interfacing and integration are some aspects discussed in the paper. Computer Aided Chemical Engineering.

Journals for Free – Journal detail: Investigação Operacional

Skip to main content. Help Center Find new research papers in: Processing tasks are energy intensive and we consider time- dependent electricity pricing and availability Add Social Profiles Facebook, Twitter, etc. Optimization and Continuous Time Signals. Above all, the aim of the paper is to focus on the industrial aspects of scheduling and discuss the main characteristics, including International Journal of Invedtigacao Research.

Prova de doutoramento em Estatística e Investigação Operacional

The results show significant improvements in solution quality coupled with a reduced computational effort compared to other existing methodologies. Along with dissemination of scientific results, the unit promotes the communication of mathematics in schools and for the wider public. After the introduction and problem classification, the paper discusses some lessons learned from industry, provides an overview of models and methods and concludes with general guidelines and examples on the modeling and solution of industrial problems.

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