Energy, environment and natural resources
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379 results — page 3 of 19
Metaheuristics 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 ...
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The water pump scheduling problem is an optimisation model that determines which water pumps will be turned on or off at each time period over a given time h...
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Mean Field Game equilibria are based on the assumption of instantaneous interactions within a population of interchangeable agents, where each agent's impact...
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A three-region optimal economic growth model is proposed to represent the global energy transition to net-zero emissions when carbon dioxide removal (CDR) te...
BibTeX referenceMERCURY: A fast and versatile multi-resolution based global emulator of compound climate hazards
High-impact climate damages are often driven by compounding climate conditions. For example, elevated heat stress conditions can arise from a combination of ...
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The Fourteenth Montreal Industrial Problem Solving Workshop, held May 13-17, 2024, was jointly organized by the Centre de recherches mathématiques (CRM), the...
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This paper addresses the difficulties mining companies face in planning their digital transformation. Based on the literature on project portfolio manageme...
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This paper addresses the Integrated Electrical Drill Rig Dispatching and Drilling Coordination Problem (IDRDCP) in open-pit mining operations, combining mach...
BibTeX referenceOn the clique decomposition impact to the optimal power flow semidefinite relaxation solve time
Managing intermittent generation in electric power systems with high penetration of renewable sources of energy presents major operational challenges. Faster...
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Hydrogen is emerging as a crucial energy source in the global effort to reduce dependence on fossil fuels and meet climate goals. Integrating hydrogen into I...
BibTeX referenceScheduling of drilling machines in open-pit mines: Stochastic and non-probabilistic CP approaches
This paper addresses the scheduling of electrical drilling machines in open-pit mines, proposing three constraint programming formulations to account for unc...
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We explore a scaled spectral preconditioner for the efficient solution of sequences of symmetric and positive-definite linear systems. We design the scaled...
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In this report, we present our winning solution to the 16th AIMMS-MOPTA Optimization Modeling Competition on whether a fully renewable energy grid would bene...
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As climate change intensifies, the shift to cleaner energy sources becomes increasingly urgent. With wind energy production set to accelerate, reliable win...
BibTeX referenceCoordination of electrical drilling machines in open-pit mines: A constraint programming approach
This article addresses the efficient coordination of multiple electrical drill rigs in open-pit mines, considering unique constraints such as continuous powe...
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Major projects often deviate from their expected budget, schedule, and benefits. Existing techniques to improve the forecasted outcome, such as the Refer...
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The increasing penetration of renewable electricity generation as well as the implementation of demand response programs has led to new challenges in the ope...
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Governments are motivated to subsidize profit-driven firms that manufacture zero-emission vehicles to ensure they become price-competitive. This paper intr...
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We consider a provider of electric vehicle charging that operates a network of charging stations and uses time-varying pricing to maximize profit and reduce ...
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