Browsing by Author "Fernandes, Pedro"
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- An information system for the furniture industry to optimize the cutting process and the waste generatedPublication . Oliveira, Oscar; Gamboa, Dorabela; Fernandes, PedroDue to the current European economic stagnation and to face the increasing competition from emerging economies, significant changes in the European furniture industry need to be undertaken. Several institutions have produced reports showing that the European furniture industry must innovate the products, the production processes, the promotion strategies and the organizational structure in order to attain flexibility and productivity. The most relevant factor for the decrease in market share in the European furniture industry is the production cost, mainly due to labour and raw materials costs. The proposed information system aims to reduce the waste of raw materials generated in the production process, optimizing their purchase and consumption, boosting corporate profitability and sustainability.
- A decision support approach to automatic timetabling in higher education institutionsPublication . Fernandes, Pedro; Pereira, Carla; Barbosa, ArmandoAt a time when the need to reduce costs has become part of the day-to-day reality of all educational institutions, it is unthinkable to continue to manually perform those tasks (i.e., the creation of timetables) that can be automated and optimized. The automatic creation of timetables for educational institutions is one of the most studied problems by the scientific community.However, almost all studies have been based on very simplified models of reality that have no practical application. A realistic model of the problem, robust algorithms that are able to find valid solutions in highly restricted environments, and optimization methods that are able to quickly provide quality results are key factors to consider when attempting to solve this (real) problem faced by educational institutions. This paper presents a summary of the work performed by Bullet Solutions over the last few years, from the first stage of understanding and modelling the problem to the final analysis of the results obtained using the developed software under real conditions.
- Escalonamento de pessoalPublication . Lopes, Tiago; Fernandes, Pedro; Barbosa, Armando; Pereira, CarlaO escalonamento de pessoal é um problema muito estudado, tanto pela comunidade científica como pelos gestores e responsáveis pelos recursos humanos das empresas. O impacto financeiro das decisões tomadas, o bem-estar dos colaboradores, ou conceitos mais subjetivos como “justiça” e “equilíbrio”, acabam por transformar este caso em muito mais do que um simples problema rotineiro. Quando se fala em escalonamento de pessoal médico, dificuldades adicionais são encontradas, como a continuidade do trabalho (24 horas por dia, 7 dias por semana), ou a qualidade de serviço que tem de ser assegurada. O trabalho apresentado neste artigo teve como ponto de partida as regras definidas no INRCII – Second International Nurse Rostering Competition – mas sempre com a visão de criar as bases necessárias para o futuro desenvolvimento de um produto genérico de escalonamento automático e otimizado de pessoal.