Roussos Dimitrakopoulos

Retour

Cahiers du GERAD

91 résultats — page 2 de 5

, et

A new non-stationary, high-order sequential simulation method is presented herein, aiming to accommodate complex curvilinear patterns and high-order spatia...

référence BibTeX
, et

Over the last decade, geological uncertainty, its effects on long-term mine planning and methods for related risk management have been studied. However, th...

référence BibTeX
et

A mining complex can include multiple mines, stockpiles, waste dumps and processing facilities. Traditional optimization approaches are often based on sequ...

référence BibTeX
, et

High-order sequential simulation methods have been developped as an alternative to existing frameworks to facilitate the modelling of spatial complexity of...

référence BibTeX
et

Mining complexes are value chains where extracted material from different mines is transformed into sellable products through a set of processing streams. ...

référence BibTeX
, et

New digital technologies including the development of advanced sensors and monitoring devices have enabled a mining complex to acquire new information abou...

référence BibTeX
et

A hyper-heuristic refers to a search method or a learning mechanism for selecting or generating heuristics to solve computational search problems. Operat...

référence BibTeX
, et

Une nouvelle approche est développée dans cet article pour résoudre le problème de la planification stratégique de production d'une mine à ciel-ouvert dans...

référence BibTeX
et

In the last 20 years, there has been increasing interest in using advanced simulation and optimization techniques to develop and manage mineral resources a...

référence BibTeX
, et

The current trend of deeper and lower-grade deposits makes open pit mining less profitable. Mass mining alternatives have to be developed if mining at a si...

référence BibTeX
et

For over a decade, stochastic optimization has emerged as a framework that is capable of generating a life-of-mine production schedule that increases ne...

référence BibTeX
et

Twin Creeks is a gold mining complex part of Newmont's Nevada Operations. The mining complex is comprised of two open pits, Mega and Vista, external ore sour...

référence BibTeX
et

A mining complex is a mineral value chain that consists of multiple activities, starting from material extraction to a set of sellable products delivered t...

référence BibTeX
et

Short-term production scheduling in open pit mining consists of defining the extraction sequence and process allocation of mineralized material over time-sca...

référence BibTeX
et

Relatively recent techniques for categorical simulations are based on multi-point statistical approaches where a training image is used to derive complex spa...

référence BibTeX
et

As more and more data about mining complex operations is collected and stored, it becomes increasingly important for computer systems to help human operators...

référence BibTeX
et

The mining value chain comprises many inter-related components, from mines to transportation, to customers. When the individual components are optimized sep...

référence BibTeX
et

This study presents a production scheduling optimization method for a mining complex, which provides a flexible long-term plan for future investments and ope...

référence BibTeX
, et

Management and storage of waste and tailings are critical concerns in open pit mining, especially when the available space is limited but also to reduce the ...

référence BibTeX
, et

Long-term open pit mine scheduling is generally assessed with a mixed integer programming (MIP) formulation which can be solved with different operations res...

référence BibTeX