Research group on Logistics and International Business School of Economics and Management Sciences Universidad de La Sabana Chía, Colombia.

Research group onLogistics and International Business

School of Economics and Management Sciences

Universidad de La Sabana

Chía, Colombia

Objective

Analysis and generation of new knowledge,

socially responsible, applied to the design,

analysis and evaluation of the set of processes

that constitutes the physical and informational

structures of the value chain

Members

• Group Director– Jairo R. Montoya Torres, Ph.D.

• Researchers– Elyn Solano Charris, M.Sc., PhD(c)– Carlos Quintero Araujo, M.Sc.– Ana Ximena Halabi Echeverry, M.Sc., PhD(c)– Vanessa Manotas Niño, M.Sc.– Catherine Pereira Villa, MA– Monica Hurtado Lozano, MA

Research lines

• Strategic Logistics

• Operations Management

• Sustainability

• International trade

Finished Projects

• September 2007 – March 2008

• “Modeling of vehicle positioning problems”– Supported by Research funds from Universidad de La

Sabana, Chia (Colombia). Grant number CEA-18-2007. – Total cost of project US$11.263.

• Techniques:– Mathematical programming, ,greedy heuristics– Simulation

• Results:– Integer linear programming formulation of the vehicle

positioning problem in automated manufacturing systems: ILP formulation (tactical level) – ILP+Discrete event simulation (operational level)

Finished Projects

• September 2008 – August 2010

• “Analogies between algorithms for solving Resources-constrained project scheduling, machine scheduling and other combinatorial optimization problems”

– Supported by Research funds from Universidad de La Sabana, Chia (Colombia). Grant number CEA-24-2008.

– Total cost of project US$61.934 for 20 months.

• Techniques:– Mathematical programming, ACO, genetic & memetic

algorithms, GRASP

Finished Projects

• Results:

• Deterministic machine scheduling with release times and sequence-dependent setups using random-insertion heuristics: Makespan between 2-6% of the optimal. Average deviation from bound (9,9% equal release time – 12,2% unequal release time)

• Project scheduling with limited resources using a genetic algorithm: Makespan value equal to optimum or best known heuristics for more than 50% of the studied instances

• Ant colony optimization algorithm for a Bi-criteria 2-stage hybrid flowshop scheduling problem: First procedure for bi-criteria (makespan ant total completion time of jobs) for hybrid flowshop configuration.

Finished Projects• April 2009 – February 2010

• “Conceptual framework of reverse logistics practices in Colombian enterprises”.– Supported as a Young researcher grant from

COLCIENCIAS (Colombian Administrative Department of Science and Technology). Grant number 120-2008.

– Total cost of project US$11.900 for 12 months.

• Techniques:– Survey-based research

• Results:– A modeling framework of reverse logistics practices in

the Colombian plastic sector: first exploratory study on the analysis of RL practices in Colombian enterprises

Ongoing Projects

• October 2010 – May 2012

• “Multi-objective optimisation for complex hybrid flowshop scheduling systems using ant colony meta-heuristic”.

– Supported by Re-search funds from Universidad de La Sabana, Chia (Colombia). Grant number CEA-53-2010.

– Total cost of project US$73.688 for 19 months.

• Techniques:– Multi-objective ACO procedure

Ongoing Projects

• January 2011 – March 2012

• “Optimization tools for solving distribution problems to retail points in emerging markets”.

– Supported by Research funds from Universidad de La Sabana, Chia (Colombia). Grant number ING-115-2010.

– Total cost of project US$32.345 for 14 months. Amount awarded: US$17.000.

• Techniques:– Mathematical programming

Ongoing Projects

• 2011 – 2013

• “Integrated optimization of the palm-oil supply chain management in Colombia”.

– Supported by the Colombia Administrative Department of Science and Technology (COLCIENCIAS).

– Total cost: US$ 224.892, Amount granted: US$110.734.

• Techniques:– Mathematical programming

Ongoing Projects

• 2012 –2013

• “Redesign of transport logistics operations of hazardous material through the development and evaluation of a portable prototype of a mobile autonomous hydro-washing machine”

– Co-supported by the Colombia Administrative Department of Science and Technology (COLCIENCIAS) and by a Colombian enterprise INTERTANQUES.

– Total cost: US$ 659.127, Amount granted: US$ 261.226 for 18 months.

• Techniques to be used:– Mathematical programming, Simulation

Ongoing Projects

• 2011 – 2012

• “Multi-objective optimization for the vehicle routing problem with load-balancing”

– M.Sc. In Operations Management – Master’s Thesis

• Techniques to be used:– Mathematical programming, Taboo Search