Energy, environment and natural resources
BackCahiers du GERAD
331 results — page 1 of 17
On 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...
BibTeX reference
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...
BibTeX referenceBranch-and-Price
Integer (linear) programs are a standard way of formalizing a vast array of optimization problems in industry, services, management, science, and technology....
BibTeX reference
We explore a scaled spectral preconditioner for the efficient solution of sequences of symmetric and positive-definite linear systems. We design the scaled...
BibTeX reference
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...
BibTeX reference
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...
BibTeX reference
Major projects often deviate from their expected budget, schedule, and benefits. Existing techniques to improve the forecasted outcome, such as the Refer...
BibTeX reference
The increasing penetration of renewable electricity generation as well as the implementation of demand response programs has led to new challenges in the ope...
BibTeX reference
Governments are motivated to subsidize profit-driven firms that manufacture zero-emission vehicles to ensure they become price-competitive. This paper intr...
BibTeX reference
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 ...
BibTeX reference
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...
BibTeX reference
This paper tackles a complex variant of the unit commitment (UC) problem at Hydro-Quebec, referred to as the transient stability constrained unit commitmen...
BibTeX reference\(\texttt{solar}\): A solar thermal power plant simulator for blackbox optimization benchmarking
This work introduces solar, a collection of ten optimization problem instances for benchmarking blackbox optimization solvers. The instances present differ...
BibTeX reference
The aim of this paper is to analyze the effect of adaptive investments on international environmental agreements (IEAs) focused on reducing greenhouse gas ...
BibTeX referenceStatistical testing of scaling models for precipitation Intensity-Duration-Frequency curves
Producing accurate precipitation Intensity-Duration-Frequency (IDF) curves necessitates robust statistical methodologies. Employing a scaling model to combin...
BibTeX reference
Millions of oil and gas wells are abandoned and orphaned around the world. Due to funding shortfalls, many abandoned and orphaned wells remain unplugged and ...
BibTeX reference
The Thirteenth Montreal IPSW took place on August 21-25, 2023, and was jointly organized by the Centre de recherches mathématiques (CRM) and the Institute ...
BibTeX reference
This paper describes a planning problem faced by a fast-growing petroleum company in West Africa. The problem is a complex variant of the petrol station repl...
BibTeX reference