Cost Minimization Problem
Mostrando 1-12 de 21 artigos, teses e dissertações.
-
1. STOCHASTIC DISCRETE LOT-SIZING WITH LEAD TIMES FOR FUEL SUPPLY OPTIMIZATION
ABSTRACT We address the problem of expected cost minimization of meeting the uncertain fuel demand during a time planning horizon, where supply is provided by selecting discrete shipments with lead times. Due to uncertainty and the passage of time, corrective actions can be taken such as cancellation and postponement on supply of shipments with associated co
Pesqui. Oper.. Publicado em: 09/05/2019
-
2. NETWORK FLOW ORIENTED APPROACHES FOR VEHICLE SHARING RELOCATION PROBLEMS
ABSTRACT Managing a one-way vehicle sharing system means periodically moving free access vehicles from excess to deficit stations in order to avoid local shortages. We propose and study here several network flow oriented models and algorithms which deal with a static version of this problem while unifying preemption and non preemption as well as carrier ridi
Pesqui. Oper.. Publicado em: 2017-09
-
3. Minimização do custo de produção como critério na formulação de dietas para bovinos de corte.
RESUMO: O critério de minimização do custo de matéria seca (MCMS) é frequentemente adotado para a formulação de dietas para animais. Esse critério, entretanto, possui limitações para bovinos, pois a solução aplica-se apenas a um nível de desempenho animal esperado, enquanto na prática, existem vários níveis de desempenho possíveis de serem i
Planaltina. Publicado em: 2011
-
4. Algoritmos evolucionÃrios multipopulaÃÃo na otimizaÃÃo multiobjetiva da remediaÃÃo de Ãguas subterrÃneas / Multi-population Evolutionary Algorithm Multi-Objective Optimization of Groundwater Remediation
Through the last three decades the evolutionary algorithms have been successful on application to many areas. Easily applied, efficiency and confidence are the main advantages of the evolutionary algorithms. In the groundwater remediation, generally, the objectives are the cost minimization, minimization of contaminant presence, maximization of pumping effic
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 24/07/2009
-
5. ELECTRIC DISTRIBUTION POWER SYSTEMS RELIABILITY OPTIMIZATION: An Approach Considering the Selection and Allocation of Protection and Switching Devices / OTIMIZAÇÃO DA CONFIABILIDADE DE SISTEMAS DE DISTRIBUIÇÃO DE ENERGIA ELÉTRICA: Uma Abordagem Considerando a Seleção e Alocação de Dispositivos de Proteção e Manobras
One of the main goals of the electric utilities is to provide energy to its customers in a reliable and low cost way. Traditionally, the electricity sector regulatory commissions impose continuity targets, which must be carried out, to avoid great penalties. For many years, the electric utilities have adopted the practice of allowing the increment of tempora
Publicado em: 2009
-
6. Otimização dos custos de energia elétrica na programação do armazenamento e distribuição de água em redes urbanas / Minimization of the electrical energy cost in water distribution networks
The problem focused in this study consists of reducing the eletrical energy cost necessary to the operation of hydraulic pumps. The hydraulic pumps are used to catch water from artesians wells or Water Treatment Station to supply tanks which are located in districts in a city, from which the population will be supplied by gravitational force. As the cost of
Publicado em: 2008
-
7. Otimização de colunas de destilação : uma abordagem aplicada dos multiplicadores de Lagrange / Optimization of distillation comumns : an applied approach of the Lagrange multipliers
This work tackles the optimization of a distillation process of a binary mixture in a column with plates, which came from the methanol distillation in the production process of the biodiesel. More specifically, it considers the minimization of a cost objective function that encompass the heat rate supplied to the reboiler and the feed temperature, subject to
Publicado em: 2008
-
8. Estimação de estados de distorções harmônicas em sistemas elétricos de potência utilizando estratégias evolutivas. / Power systems harmonic distortion state estimation using evolutionary strategy.
The aim of the present thesis is to develop a Harmonic Distortion State Estimation algorithm for Power Systems. Although the cost of Power Quality Meters has decreased for a while now, it is still not practicable the use of one meter for each real system bus. This demands a Harmonic Distortion State Estimation (HDSE) algorithm to find the harmonic components
Publicado em: 2008
-
9. Development of alternative technology for wastewater treatment aiming the recovery of the water from car wash station / Desenvolvimento de tecnologia alternativa para tratamento de efluentes visando a reutilizaÃÃo da Ãgua de postos de lavagem de veÃculos
The increasing concern with the environment and specially with the use of the water resources resulted in the increasing valorization of the drinking water as well of consumption. Innumerable are the activities that use this resource, one of them, the Car Wash Station (CWS), object of this research. In Brazil, about 32,700 CWS approximately consume 3.7 milli
Publicado em: 2008
-
10. Efeitos da inovaÃÃo tecnolÃgica sobre o mercado de trabalho: um estudo para o caso brasileiro
The aim of this study is to investigate the impacts of technological innovation on employment growth. The impacts of innovation are distinguished between process and product innovation due to different correlations between these types of innovation on employment. At last, it is verified that the presence of technological innovation has a bias due to qualific
Publicado em: 2007
-
11. AvaliaÃÃo da cobranÃa como mecanismo econÃmico alocativo na gestÃo de bacias hidrogrÃficas: o caso da bacia do Rio Pirapama
The increasing concern about the environment and with the water quantity and quality generated some works in some distinct areas interested in the problem. An existing line of studies is focused on the institution of the charging for the raw water uses, as it foresees the National Water Resources Policy which is established in the Federal Law 9433-97, as for
Publicado em: 2007
-
12. A one-shot inpainting algorithm based on the topological asymptotic analysis
The aim of this article is to propose a new method for the inpainting problem. Inpainting is the problem of filling-in holes in images. We consider in this article the crack localization problem, which can be solved using the Dirichlet to Neumann approach and the topological gradient. In a similar way, we can define a Dirichlet and a Neumann inpainting probl
Computational & Applied Mathematics. Publicado em: 2006