Axis 3: Decision support made under uncertainty
BackCahiers du GERAD
311 results — page 5 of 16
We study a predisaster relief network design problem with uncertain demands. The aim is to determine the prepositioning and reallocation of relief supplies. ...
BibTeX reference
The problem of portfolio management represents an important and challenging class of dynamic decision making problems, where rebalancing decisions need to be...
BibTeX referenceData-driven optimization with distributionally robust second-order stochastic dominance constraints
Optimization with stochastic dominance constraints has recently received an increasing amount of attention in the quantitative risk management literature. In...
BibTeX reference
Within the context of optimization under uncertainty, a well-known alternative to minimizing expected value or the worst-case scenario consists in minimizing...
BibTeX reference
With the ongoing energy transition, electric power and energy systems are becoming increasingly multi-dimensional and complex with higher levels of uncertain...
BibTeX reference
Production yield can be highly volatile and uncertain, especially in industries where exogenous and environmental factors such as the climate or raw material...
BibTeX reference
This paper studies a stochastic variant of the vehicle routing problem (VRP) where both customer locations and demands are uncertain. In particular, potentia...
BibTeX reference
This paper introduces the consistent production routing problem in a setting with multiple plants and products. The problem consists in finding minimum-cost ...
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 ...
BibTeX reference
The geometallurgical models that predicting the throughput/comminution performance of the a processing plant often rely on rock hardness models, which are ba...
BibTeX reference
This work is in the context of blackbox optimization where the functions defining the problem are expensive to evaluate and where no derivatives are availabl...
BibTeX referenceIntegrating learning and explicit model predictive control for unit commitment in microgrids
In this paper, we apply flexibility-based operational planning method to microgrid (MG) unit commitment (UC). The problem is formulated based on model predi...
BibTeX reference
A new linear model is presented herein to optimize strategic production scheduling of an open pit mine with multiple processing streams while accounting for...
BibTeX reference
Geostatistically simulated representations of mineral deposits are used for resource/reserve assessments, mine design and production planning, project evalua...
BibTeX reference
Industrial mining complexes can be optimized using simultaneous stochastic optimization (SSO), which manages the risks associated with meeting production tar...
BibTeX reference
This paper presents a new truck dispatching policy approach that is adaptive given different mining complex configurations in order to deliver supply materia...
BibTeX reference
The existing technologies that update geostatistically simulated models of mineral deposits cannot self-learn from incoming new information generated in oper...
BibTeX reference
This article presents a novel stochastic optimization model that simultaneously optimizes the short-term extraction sequence, shovel relocation, scheduling o...
BibTeX reference
An innovative strategic mine planning approach is applied to a multi-mine and multi-process gold mining complex that simultaneously considers feasible capita...
BibTeX reference