Examinando por Autor "Ramírez Echeverri, Sergio Augusto"
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Publicación Analysis of chaotic behaviour in supply chain variables(Journal of Economics, Finance and Administrative Science, 2011-12) Peña Zapata, Gloria Elena; Ramírez Echeverri, Sergio Augusto; Universidad EAFIT. Departamento de Ingeniería de Producción; ramire@eafit.edu.co; gepena@unal.edu.co; Gestión de Producción y LogísticaIn this article we develop a supply chain model of four levels through the utilization of system dynamics with Ithink® and Mathlab® softwares to analyze data -- The supply chain is studied from the chaos theory perspective, which helps identifying the sensitive variables that can lead to a state of chaos -- A generic structure model that comprehends factory links, distribution, wholesale, retail and the client is constructed -- The difficulty of operations and logistics managers to decide how much to order and when to do it is simulated accordingly to what occurs in the links of the preceding and subsequent levels with two decision parameters: The first parameter denominated A indicates the participation (between 0 and 1) of the number of product units that are taken into account in the actual stock and the pending orders at the moment of performing an order – Thesecond parameter, denominated B, is the participation (between 0 and 1) of the number of units in the supply line (in transit) at the moment of performing orders of each of the links of the supply chainPublicación Aprendizaje experiencial en la gestión de la cadena de suministro : un enfoque práctico basado en un caso aplicado(Universidad EAFIT, 2024) Arroyave Arcila, Julieth Andrea; Ramírez Echeverri, Sergio Augusto; Ramírez Echeverri, Sergio AugustoPublicación Modelo de excelencia operacional sector industrial colombiano(Universidad EAFIT, 2024) Ochoa Naranjo, Juan Esteban; Ramírez Echeverri, Sergio Augusto; Ramírez Echeverri, Sergio AugustoOperational excellence models have been implemented by various companies worldwide to guide their organizational procedures, to be able to last over time and guarantee their profitability. For the Colombian case, no model of this type has been documented to promote operational excellence in national companies, this work seeks to carry out a bibliographic review on the relevant models of operational excellence in the industry and supported by the judgment of experts, to develop a reference model for the search for operational excellence, presenting companies with a model with their respective improvement tools and indicators, on which they must work to focus on the company's overall results, seeking to maximize sales and not on local efficiencies, allowing them to look at the organization with a holistic approach and understand the relationships between the different areas and how they work generate synergies in the organization to achieve the main objective of every company: to generate greater profitability through sales. Here we will make a compilation of the different models most used nationally and internationally, which will allow us to make a tool that allows companies to identify the current position of their strategic state. This model will also be used as a diagnostic and evaluation tool to review the degree of maturity that a company has around the search for operational excellence, where opportunities for improvement will be found and, how to iterate on the model and generate systematic continuous improvement for companies in the industrial sector in Colombia.