Semi-Autonomous Behaviour Tree-Based Framework for Sorting Electric Vehicle Batteries Components

The process of recycling electric vehicle (EV) batteries currently represents a significant challenge to the waste management automation industry. One example of it is the necessity of removing and sorting dismantled components from EV battery pack. This paper proposes a novel framework to semi-automate the process of removing and sorting different objects from an EV battery pack using a mobile manipulator. The work exploits the Behaviour Trees model for cognitive task execution and monitoring, which links different robot capabilities such as navigation, object tracking and motion planning in a modular fashion. The framework was tested in simulation, in both static and dynamic environments, and it was evaluated based on task time and the number of objects that the robot successfully placed in the respective containers. Results suggested that the robot’s success rate in accomplishing the task of sorting the battery components was 95% and 82% in static and dynamic environments, respectively

Xuxuy: un deporte para el cuerpo

En Jujuy Argentina, surge la iniciativa de generar un espacio de práctica de Deportes Alternativos como una disciplina innovadora, en una primer instancia dentro de un club convencional, para brindar nuevas prácticas deportivas a la sociedad en general. Originalmente se propuso practicar Faustball (deporte Almenan, federado en Argentina), ante la imposibilidad de contar con un espacio físico adecuado, surgió la necesidad de adaptar las reglas y técnicas propias a una cancha del paddle. Dando paso a la creación de una nueva forma de juego no convencional “XUXUY”: deporte grupal de hasta tres participantes, mixto, dinámico, participativo, favoreciendo el uso integral del cuerpo, con sentido cultural e histórico de la región.Mesa 18: Educación física y prácticas corporales no convencionalesFacultad de Humanidades y Ciencias de la Educació

Xuxuy: un deporte para el cuerpo

En Jujuy Argentina, surge la iniciativa de generar un espacio de práctica de Deportes Alternativos como una disciplina innovadora, en una primer instancia dentro de un club convencional, para brindar nuevas prácticas deportivas a la sociedad en general. Originalmente se propuso practicar Faustball (deporte Almenan, federado en Argentina), ante la imposibilidad de contar con un espacio físico adecuado, surgió la necesidad de adaptar las reglas y técnicas propias a una cancha del paddle. Dando paso a la creación de una nueva forma de juego no convencional “XUXUY”: deporte grupal de hasta tres participantes, mixto, dinámico, participativo, favoreciendo el uso integral del cuerpo, con sentido cultural e histórico de la región.Mesa 18: Educación física y prácticas corporales no convencionalesFacultad de Humanidades y Ciencias de la Educació

Xuxuy: un deporte para el cuerpo

En Jujuy Argentina, surge la iniciativa de generar un espacio de práctica de Deportes Alternativos como una disciplina innovadora, en una primer instancia dentro de un club convencional, para brindar nuevas prácticas deportivas a la sociedad en general. Originalmente se propuso practicar Faustball (deporte Almenan, federado en Argentina), ante la imposibilidad de contar con un espacio físico adecuado, surgió la necesidad de adaptar las reglas y técnicas propias a una cancha del paddle. Dando paso a la creación de una nueva forma de juego no convencional “XUXUY”: deporte grupal de hasta tres participantes, mixto, dinámico, participativo, favoreciendo el uso integral del cuerpo, con sentido cultural e histórico de la región.Mesa 18: Educación física y prácticas corporales no convencionalesFacultad de Humanidades y Ciencias de la Educació

Storage stability and physicochemical properties of passion fruit juice microcapsules by spray-drying

The aim of this work was to microencapsulate passion fruit juice (PFJ) by spray-drying in two dierent biopolymers blends: Gum Arabic-mesquite gum-maltodextrin DE-10 (GA17-MG66-MD17 and GA17-MG-17-MD66), yielding the microcapsules MGA17-MG66-MD17 and MGA17-MG17-MD66. The spray-dried passion fruit microcapsules were analyzed for physicochemical properties (moisture content, water activity, powder particle size), quality properties (hygroscopicity, dispersibility, rehydration time), and reconstituted product properties (total color change and vitamin C retention). The minimum integral entropy of the microcapsules was determined at 25, 35, and 40 °C, and the resulting water activities (aW) were 0.447, 0.505, 0.629 for MGA17-MG66-MD17 and 0.383, 0.414, 0.605 for MGA17-MG17-MD66, respectively. These temperatures-aW sets were considered as the most adequate conditions for achieving maximum storage stability of the microcapsules. The best vitamin C retention level occurred at 25 °C, aW = 0.447 for MGA17-MG66-MD17, and at 25 °C, aW = 0.383 for MGA17-MG17-MD66

Ganadería Sustentable. Perspectivas regionales de ganadería sustentable para una visión nacional

El documento que aquí se presenta es un resumen de los temas, experiencias y recomendaciones que, desde diferentes perspectivas, intereses y saberes, aportaron los participantes en el 3er Foro de Ganadería Sustentable. Estamos seguros que el lector encontrará en este “gran menú de ideas” algunas que cubran sus intereses particulares; pero será en el seguimiento de los acuerdos y en la puesta en marcha de las propuestas de colaboración y mejora, que la práctica de la ganadería sustentable podrá consolidarse.GI

Electrochemical Impedance Spectroscopy (EIS): A Review Study of Basic Aspects of the Corrosion Mechanism Applied to Steels

AC impedance measurements have been applied for over twenty years in electrochemistry and physics to investigate the electrical properties of conductive materials and their interfaces using an external electrical impulse (VOLTAGE, V or CURRENT, I) as driving force. Furthermore, its application has recently appeared to be destined in the Biotechnology field as an effective tool for rapid microbiologic diagnosis of living organism in situ. However, there is no doubt that the electrochemical impedance spectroscopy (EIS) is still one of the most useful techniques around the world for metal corrosion control and its monitoring. Corrosion has long been recognized as one of the most expensive stumbling blocks that concern many industries and government agencies, because it is a steel destructive phenomenon that occurs due to the chemical interaction with aqueous environments and takes place at the interface between metal and electrolyte producing an electrical charge transfer or ion diffusion process. Consequently, it is experimentally possible to determine through the EIS technique the mechanism and control that kinectics of corrosion reactions encounter. First, EIS data is collected through a potentiostat/ galvanostat apparatus. After, it is fitted to a mathematical model (i.e. an equivalent electrical circuit, EEC) for its interpretation and analysis, fundamentally seeking a meaningful physical interpretation. Finally, this review reports some basic aspects of the corrosion mechanism applied to steels through the experimental EIS response using Nyquist or Bode plots. Examples are given for different applied electrochemical impedance cases in which steel is under study intentionally exposed to a corrosive aqueous solution by applying a sinusoidal potential at various test conditions

Records of Olive Ridley Marine Turtles (Lepidochelys olivacea Eschscholtz 1829) in Venezuelan Waters: A Review of Historical Data Sets and Threats

We assess all the records of olive ridley turtles (Lepidochelys olivacea) in an exhaustive review of multiple data sources between 1977 and 2018 in Venezuela. We compiled 35 records of olive ridleys in the country. Our findings confirm the almost year-round presence of this species in Venezuelan waters