Éric Poulin
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View article: Effects of thermal modification on the flexure properties, fracture energy, and hardness of western hemlock
Effects of thermal modification on the flexure properties, fracture energy, and hardness of western hemlock Open
This study investigates the effect of thermal modification on the flexural properties, transverse fracture energy, and hardness of western hemlock. Flexure tests on specimens featuring longitudinal and transverse grains showed that thermal…
View article: Automatic plan selection using deep network—A prostate study
Automatic plan selection using deep network—A prostate study Open
Background Recently, high‐dose‐rate (HDR) brachytherapy treatment plans generation was improved with the development of multicriteria optimization (MCO) algorithms that can generate thousands of pareto optimal plans within seconds. This br…
View article: Comparison of four-year toxicities and local control of ultra-hypofractionated vs moderate-hypofractionated image guided prostate radiation with HDR brachytherapy boost: A phase I-II single institution trial
Comparison of four-year toxicities and local control of ultra-hypofractionated vs moderate-hypofractionated image guided prostate radiation with HDR brachytherapy boost: A phase I-II single institution trial Open
The UHF treatment scheme with HDR BB seems equivalent to standard treatment arms in terms of toxicities and local control. Randomized control trials with larger cohorts are ongoing and needed to further confirm our findings.
View article: A misconception in regulatory control of secondary grinding circuits
A misconception in regulatory control of secondary grinding circuits Open
Control systems for secondary grinding circuits follow widely accepted guidelines in the mineral processing industry. However, some common practices appear to be built on questionable assumptions, and become detrimental to the variability …
View article: Development and calibration of a lyophilization model for process control applications
Development and calibration of a lyophilization model for process control applications Open
This paper addresses the development, calibration and validation of a monodimensional mathematical model to describe the primary drying of lyophilization in vials.The process representation includes equations describing the pre-and post-su…
View article: Multivariate Specifications in the Mineral Processing Field: An introduction
Multivariate Specifications in the Mineral Processing Field: An introduction Open
The concept of multivariate specifications on incoming raw material was introduced in the mid-1990s in the chemical process industry as a tool to determine if a lot should be accepted from a supplier prior to its purchase. The objective of…
View article: Commissioning of GPU-based multi-criteria optimizer combined with plan navigation tools for high-dose-rate brachytherapy
Commissioning of GPU-based multi-criteria optimizer combined with plan navigation tools for high-dose-rate brachytherapy Open
The GPU-based MCO workflow was successfully integrated into the clinical workflow and validated against OcP and OcB.
View article: The effect of ore heterogeneity on the net value of a grinding/flotation product
The effect of ore heterogeneity on the net value of a grinding/flotation product Open
Ore heterogeneity (e.g., head grade, hardness, density and lithology) represents an important preoccupation for any given mine. The actual consequence of this variability is not always clear on the bottom line, especially when the average …
View article: A Phenomenological Model for Particle Kinetics in Drum-type Wet Low-Intensity Magnetic Separation*
A Phenomenological Model for Particle Kinetics in Drum-type Wet Low-Intensity Magnetic Separation* Open
Drum-type wet low-intensity magnetic separation (WLIMS) is a versatile technique widely employed in the mining industry for the treatment of iron ores. Its design and operation are rather simple and straightforward. Yet, understanding the …
View article: Advantages of TRUS-based delineation for high-dose-rate prostate brachytherapy planning
Advantages of TRUS-based delineation for high-dose-rate prostate brachytherapy planning Open
The inter-observer and intra-observer variability were statistically significantly smaller on TRUS compared to CT-based planning, despite varying ROs clinical experiences. The superior soft tissue contrast offered by TRUS obviates the effe…
View article: Establishing Multivariate Specification Regions for Incoming Raw Materials Using Projection to Latent Structure Models: Comparison Between Direct Mapping and Model Inversion
Establishing Multivariate Specification Regions for Incoming Raw Materials Using Projection to Latent Structure Models: Comparison Between Direct Mapping and Model Inversion Open
Increasing raw material variability is challenging for many industries since it adversely impacts final product quality. Establishing multivariate specification regions for selecting incoming lot of raw materials is a key solution to mitig…
View article: Integrating online mineral liberation data into process control and optimisation systems for grinding–separation plants
Integrating online mineral liberation data into process control and optimisation systems for grinding–separation plants Open
This paper evaluates the benefits of explicitly integrating online mineral liberation data in control systems for grinding–separation circuits. Although liberation is a critical variable for separation processes, this endeavour has not bee…
View article: Simple Model and Predictive Control of a Pharmaceutical Batch Fluidized Bed Dryer
Simple Model and Predictive Control of a Pharmaceutical Batch Fluidized Bed Dryer Open
The fluidized bed theory can be complex, especially for heterogeneous flow descriptions with bypasses, generally resulting in large differential and algebraic systems of equations. Consequently, their applicability to model-based process c…
View article: Carbon Fiber Prepreg Recycling- Automated Perform Manufacturing Equipment (Final Technical Report)
Carbon Fiber Prepreg Recycling- Automated Perform Manufacturing Equipment (Final Technical Report) Open
Discontinuous fiber composites have a compelling business case as related to light metals such as aluminum and magnesium machined or die cast components. DFC’s have been in commercial production using carbon fiber/epoxy prepreg for both co…
View article: Systematic calibration of a simulated semi-autogenous/ball-mill grinding circuit
Systematic calibration of a simulated semi-autogenous/ball-mill grinding circuit Open
With no doubt, modeling and simulation are powerful tools improving the performance of current optimisation and control strategies. At least in the mineral processing field, however, one of the major gaps in literature is that authors freq…
View article: Simulation Analysis of a Mineral Liberation Estimator for Control Purposes
Simulation Analysis of a Mineral Liberation Estimator for Control Purposes Open
In the past few decades, extensive and intensive work has been done in the field of optimisation and control for mineral processing plants. As the valuable minerals have to be separated from the gangue through grinding, one of the most cru…
View article: Reducing the energy footprint of grinding circuits: the process control paradigm
Reducing the energy footprint of grinding circuits: the process control paradigm Open
The grinding process in ball mills is notoriously known to be highly inefficient: only 1 to 2% of the inputted electrical energy serves for creating new surfaces. There is therefore obvious room for improvement, even considering that the d…
View article: Real-Time Simulation and Control of a SAG Mill
Real-Time Simulation and Control of a SAG Mill Open
Real-time simulation plays an important role not only in the design and commissioning of new control strategies, but also in training the operators before the actual system is installed. There are in the market several simulation environme…
View article: A Modular Dynamic Simulation Model for Comminution Circuits
A Modular Dynamic Simulation Model for Comminution Circuits Open
Properly controlling comminution circuits is generally acknowledged to be highly profitable for any mining site's bottom line. On the other hand, the process control problem of comminution circuits is challenging due to circulating loads a…