Fiabilidad de las cargas críticas de láminas delgadas estudiadas por ensamblaje de elementos planos triangulares en el M.E.F

El presente trabajo tiene por objeto poner de relieve el alto grado de confianza que podemos depositar en el valor de las cargas críticas calculdas en láminas, asismiladas por ensamblaje de elementos planos (método de E.F. ) triangulares tipo placa, sometidas a cargas gravitatorias uniformemente distriuidas.Peer Reviewe

Fiabilidad de las cargas críticas de láminas delgadas estudiadas por ensamblaje de elementos planos triangulares en el M.E.F

El presente trabajo tiene por objeto poner de relieve el alto grado de confianza que podemos depositar en el valor de las cargas críticas calculdas en láminas, asismiladas por ensamblaje de elementos planos (método de E.F. ) triangulares tipo placa, sometidas a cargas gravitatorias uniformemente distriuidas.Peer Reviewe

Automated Weighing System for the Health Care of Guinea Pigs (Cavia Porcellus)

It is estimated that in Nariño (Colombia) there are 20,000 small guinea pig farms, which provide livelihoods for thousands of families and generate monthly transactions of a thousand million Colombian pesos. This sector has a trend of constant growth. However, the production of guinea pigs (Cavia porcellus) is done by hand due to the lack of technification of this sector. A problem identified in the breeding of these animals is weight loss, which can be caused by injuries in the traditional weighing process. In this process, the animal is immobilized and manually taken to the scale, which can cause injuries, stress, weight variations, reduced mobility and, in the worst cases, death. Being aware that these problems could be solved through technology, this article presents the design of an automated weighing and identification system that allows producers to carry out the weighing process without human intervention, with the purpose of safeguarding the animal’s health. The article also discusses the parameter design and information about guinea pigs, from a structural and operative point of view. Some experimental results are shown which gave rise to a patent. Finally, conclusions about the reach and use of the device are presented. Keywords: automated weighing system, RFID tagging, guinea pigs, Cavia porcellus. RESUMEN Se estima que en Nariño (Colombia) existen 20.000 criaderos pequeños de cuyes que son la base económica de miles de familias los cuales producen transacciones mensuales por mil millones de pesos colombianos. Un sector que está en constante crecimiento. Sin embargo, la producción de cuyes (Cavia porcellus) se realiza de forma artesanal debido a la falta de tecnificación. Una problemática identificada en la cría de estos animales es la pérdida de peso que puede ocasionarse por lesiones causadas en el pesaje de forma tradicional. En este proceso, el animal es inmovilizando y llevado manualmente hacia la báscula, lo que puede ocasionar lesiones, reducción de movilidad y hasta la muerte. Conscientes que dichas problemáticas podrían solucionarse a través de la tecnología, en este artículo se plantea el diseño de un sistema de pesaje e identificación automatizado que permita a los productores realizar el proceso de pesaje sin intervención humana, con el propósito de mantener el estado de salud del animal. Para esto se presenta la información recopilada y parámetros establecidos para realizar el diseño, desde un punto de vista estructural y operativo. Además, se presentan algunos resultados experimentales que dieron origen a una Patente del dispositivo, y finalmente algunas conclusiones sobre el alcance y uso del dispositivo propuesto. Palabras claves: sistema de pesaje automatizado, identificación RFID, cuyes de granja, Cavia porcellus. &nbsp

AIRPA: An Architecture to Support the Execution and Maintenance of AI-Powered RPA Robots

Robotic Process Automation (RPA) has quickly evolved from automating simple rule-based tasks. Nowadays, RPA is required to mimic more sophisticated human tasks, thus implying its combina tion with Artificial Intelligence (AI) technology, i.e., the so-called intelli gent RPA. Putting together RPA with AI leads to a challenging scenario since (1) it involves professionals from both fields who typically have different skills and backgrounds, and (2) AI models tend to degrade over time which affects the performance of the overall solution. This paper describes the AIRPA project, which addresses these challenges by proposing a software architecture that enables (1) the abstraction of the robot development from the AI development and (2) the monitor, con trol, and maintain intelligent RPA developments to ensure its quality and performance over time. The project has been conducted in the Serv inform context, a Spanish consultancy firm, and the proposed prototype has been validated with reality settings. The initial experiences yield promising results in reducing AHT (Average Handle Time) in processes where AIRPA deployed cognitive robots, which encourages exploring the support of intelligent RPA development.Ministerio de Ciencia, Innovación y Universidades PID2019-105455GB-C31Centro para el Desarrollo Tecnológico Industrial EXP00118029/IDI-20190524Centro para el Desarrollo Tecnológico Industrial P011-19/E0

Emotional responses in online social interactions: the mediating role of flow

Purpose: Drawing on the three flow-channel model and the stimulus–organism–response model, this research aims to understand how the influence of interactivity on purchase intention is mediated by the state of flow. Design/methodology/approach: This research entails a neurophysiological experiment combined with a survey-based study. This study analyzes, first, participants' heart rate variability through the parasympathetic and sympathetic indexes during five different activities, and, second, the mediating effect of flow through a structural equation model. Findings: This study contributes to research on the role of flow in interactive marketing. The findings reveal that flow state is associated with less stressful activities, such as navigating highly interactive websites and playing online games. This research confirms the mediating effect of flow between interactivity and purchase intention. Originality/value: This paper contributes to interactive marketing and flow theory by combining traditional methods with a peripheral physiological technique that draws on neuroscience. In addition, it confirms the positive but indirect effect of interactivity on purchase intention in online contexts