Roussos Dimitrakopoulos
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96 results — page 1 of 5
The research project, conducted in collaboration with Hydro-Québec, aims to create a control interface that links real-time electrical grid simulations to re...
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Effective waste rock management is a crucial aspect of long-term planning of industrial mining complexes. When waste management is not considered during the ...
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In mining complexes or mineral value chains, materials flow from extraction sites (mines) through crushers, stockpiles, waste dump and tailings, and processi...
BibTeX referenceMetaheuristics and hyperheuristics for large-scale optimization of mining complexes (Poster)
An industrial mining complex is an integrated value chain includes the excavation, transportation, processing, and distribution of mineral products as well a...
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On February 4, 2025, the 5th edition of GERAD's Student Day took place, under the theme of energy transition. The aim of this event was to give students the ...
BibTeX referenceDecoupling spatial pattern and its movement via complex factorization over orthogonal filter pairs
Variations between related images (e.g. due to motions) can caused by different independent factors. A qualified representation can decouple the underlying...
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Short-term production planning in mining complexes involves a series of decisions concerning activities and processes to accomplish the long-term planning ...
BibTeX referenceA simultaneous stochastic optimization framework for selecting additional infill drilling locations
An innovative simultaneous stochastic optimization approach is proposed that combines actor-critic reinforcement learning and stochastic mathematical progr...
BibTeX referenceLearning to schedule heuristics for the simultaneous stochastic optimization of mining complexes
The simultaneous stochastic optimization of mining complexes (SSOMC) is a large-scale stochastic combinatorial optimization problem that simultaneously manag...
BibTeX referenceAdaptive simultaneous stochastic optimization of mining complexes: Where is the value coming from?
This paper aims to identify the sources of value created in the strategic plan of a mining complex when the adaptive simultaneous stochastic optimization of ...
BibTeX referenceStochastic stope design optimization under grade uncertainty and dynamic development costs
Stope design optimization defines mineable three-dimensional material volumes to be extracted from a mineral deposit, aiming to maximize cashflows subject ...
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The geometallurgical models that predicting the throughput/comminution performance of the a processing plant often rely on rock hardness models, which are ba...
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A new linear model is presented herein to optimize strategic production scheduling of an open pit mine with multiple processing streams while accounting for...
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Geostatistically simulated representations of mineral deposits are used for resource/reserve assessments, mine design and production planning, project evalua...
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Industrial mining complexes can be optimized using simultaneous stochastic optimization (SSO), which manages the risks associated with meeting production tar...
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This paper presents a new truck dispatching policy approach that is adaptive given different mining complex configurations in order to deliver supply materia...
BibTeX referenceTraining image free high-order stochastic simulation based on aggregated kernel statistics
A training-image free, high-order sequential simulation method is proposed herein, which is based on the efficient inference of high-order spatial statistics...
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This article presents a novel stochastic optimization model that simultaneously optimizes the short-term extraction sequence, shovel relocation, scheduling o...
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An innovative strategic mine planning approach is applied to a multi-mine and multi-process gold mining complex that simultaneously considers feasible capita...
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Mineral value chains or mining complexes involve mining, processing, stockpiling, waste management, and transportation activities. An integrated stochastic...
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