Man

Miguel Andres Maldonado Saavedra

Research Associate

Universidad de Santiago

Santiago, Chile

Líneas de Investigación


Development of gas dispersion sensors for flotation optimization. Modeling and advanced control of mineral processing systems Real time optimization of mineral processing systems

Educación

  •  Electrical Engineering, UNIVERSITE LAVAL. Canada, 2010
  •  Electrical Engineering, UNIVERSIDAD DE CONCEPCION. Chile, 2006
  •  Electronic Civil Engineering, UNIVERSIDAD DE CONCEPCION. Chile, 2003

Experiencia Académica

  •   Research Associate Full Time

    UNIVERSIDAD DE SANTIAGO DE CHILE

    Engineering

    Santiago, Chile

    2013 - A la fecha

  •   Postodoctoral Fellow Full Time

    MCGILL UNIVERSITY

    Engineering

    Montreal, Canada

    2010 - 2012

Experiencia Profesional

  •   Development Engineer Full Time

    Industrial Support Company Ltda

    Santiago, Chile

    2002 - 2006

Formación de Capital Humano


Co-direction (undergraduate Students)
Rodrigo Aguilera L. “Multiple model approach for frother concentration estimation in flotation processes”. Metallurgical Civil Engineering Department of Metallurgical Engineering, University of Concepcion, Chile, Nov. 2009.

Alberto Riquelme D-. “Diseño e implementación de un sistema de medición de perfiles de conductividad en procesos metalúrgicos”. Electronic civil Engineering. University of Concepcion, Chile, May, 2010.

Co-direction (Graduate Students)
Alberto Riquelme D-. “Control of bubble size distributions”. PhD student. Department of Electrical and Computing Engineering,
Laval University, Quebec, Canada. (In progress)


Difusión y Transferencia


Gas dispersion measurement campaign in large scale mining operations such as Codelco Div. Chuquicamata and Collahuasi.



 

Article (29)

Flotation Performance and Gas Dispersion Properties in a Laboratory Flotation Cell
Modelling Bubble Flow Hydrodynamics: Drift-Flux and Molerus Models
A method to predic water recovery rate in the collection and froth zone of flotation systems
A Method to Predict Water Recovery Rate in the Collection and Froth Zone of Flotation Systems
A new approach to measure gas holdup in industrial flotation machines. Part II: Effect of fluid properties
Influence of Seawater on the Degree of Entrainment in the Flotation of a Synthetic Copper Ore
A new approach to measure gas holdup in industrial flotation machines part I: Demonstration of working principle
Electrode arrangements for continuous measurement of dispersion conductivity in lab flotation cells
Gas holdup estimation using Maxwell equation in flotation systems=> revisited
Predictive control of the bubble size distribution in a two-phase pilot flotation column
Automatic control of bubble size in a laboratory flotation column
Identification of a non-linear dynamic model of the bubble size distribution in a pilot flotation column
Optimizing flotation bank performance through froth depth profiling: Revisited
A device for measuring conductivity of dispersions
Experimental study on the shape-velocity relationship of an ellipsoidal bubble in inorganic salt solutions
Measuring gas dispersion parameters: Selection of sampling points
An experimental study examining the relationship between bubble shape and rise velocity
Experimental study on the shape–velocity relationship of an ellipsoidal bubble in inorganic salt solutions
Optimizing flotation bank performance by recovery profiling
Technique to Automate Measurement of Water Overflow Rate in Frother Characterization Testing
Towards the Optimization of Flotation Column Operation
On-Line Estimation of Frother Concentration for Flotation Processes
Technique to automate measurement of water overflow rate in frother characterization testing
Potential use of model predictive control for optimizing the column flotation process
An update on the estimation of froth depth using conductivity measurements
An update on the estimation of the froth depth using conductivity measurements
Decentralized control of a pilot flotation column: a 3x3 system
On-line estimation of bias rate using conductivity measurements
Optimal control of a rougher flotation process based on dynamic programming

BookSection (2)

Automatic Control in Mineral Processing
Automatic control of flotation columns

ConferencePaper (9)

Control of bubble size in a laboratory flotation column
Frother and viscosity effects on bubble size and terminal velocity
Nonlinear control of bubble size in a laboratory flotation column
Nonlinear control of bubble size in a laboratory otation column
On-line estimation of frother concentration in flotation processes
A two level hierarchical control structure for optimizing a rougher flotation circuit
On-line estimation of bubble size distributions using Gaussian mixture models
An overview of optimizing strategies for flotation banks
Towards the optimization of flotation columns using predictive control

Patent (2)

APARATO Y MÉTODO PARA MEDIR LA FRACCIÓN VOLUMÉTRICA DE UN FLUIDO AIREADO EN UN REACTOR
SISTEMA SUMERGIBLE Y MÉTODO PARA LA MEDICIÓN DE DENSIDAD Y/O CONCENTRACIÓN DE SÓLIDOS DE UNA DISPERSIÓN

Proyecto (7)

Real-time supervision and self-optimizing control of industrial flotation machines by integrating froth and collection zone state variables
Desarrollo de un sistema de medición no-nuclear en tiempo real de la densidad de pulpa mineral en dispersiones aireadas
Validación y empaquetamiento de sensor para la medición en línea y tiempo real del contenido volumétrico de gas en dispositivos de flotación de minerales
Center for Multidisciplinary Research on Signal Processing
Desarrollo de medición en línea del contenido de aire para la optimización del proceso de flotación
Flotation bank optimization by recovery profiling
Desarrollo de Sistemas de Medición en línea del contenido de aire para la optimización del proceso de flotación
40
Miguel Maldonado

Research Associate

Metallurgical Engineering

Universidad de Santiago

Santiago, Chile

3
Leopoldo Gutierrez

Profesor Asociado

Ingeniería Metalúrgica

Universidad de Concepción

Concepción, Chile

3
Daniel Sbarbaro

Professor

Electrical Engineering

Universidad de Concepcion

Concepcion, Chile

1
Arnoldo Riquelme

Profesor titular

Gastroenterología

PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE, DEPARTAMENTO DE GASTROENTEROLOGÍA

Santiago, Chile

1
LINA URIBE

Académica

Ingeniería

Universidad deTalca

Curicó, Chile

1
Fabian Seguel

Profesor Jornada completa

Departamento de Ingeniería Eléctrica

Universidad de Santiago de Chile

Santiago, Chile

1
Jose_Ismael Soto

Profesor

Ingenieria Electrica

USACH

Santiago, Chile

1
FRANCISCO CUBILLOS

Head

UNIVERSIDAD DE SANTIAGO DE CHILE

SANTIAGO, Chile

1
Fernando Betancourt

Profesor Asociado

Departamento de Ingeniería Metalúrgica

Universidad de Concepción

Concepción, Chile

1
Néstor Becerra

Full Professor

Electrical engineering

Universidad de Chile

Santiago, Chile