Search Results - "Vidal, Félix"

Special Issue on Advances in Industrial Robotics and Intelligent Systems by Moreira, António Paulo, Neto, Pedro, Vidal, Félix

“…Robotics and intelligent systems are intricately connected, each exploring their respective capabilities and moving towards a common goal [...]…”
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Calibration of a Three-dimensional Slope Stability Evaluation in Brazilian iron Open Pit Mine by Torres, Vidal Félix Navarro, Dockendorff, Rodrigo, Sotomayor, Juan Manuel Girao, Castro, Cristian, da Silva, Aristotelina Ferreira

“…It has historically been frequent among geotechnical practitioners, that the stability analysis of the slopes of an open pit is performed using a two…”
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Optimization of room-and-pillar dimensions using automated numerical models by Napa-García, Gian Franco, Câmara, Tais Renata, Navarro Torres, Vidal Félix

“…This paper presents an optimization methodology for the geometric configuration of a room–and–pillar mining project, considering safety and operational…”
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Post-work inspection for overbreak in tunnels: a case study application to the Alqueva hydroelectric plant by Navarro Torres, Vidal Félix, Dinis Da Gama, Carlos, Girao Sotomayor, Juan Manuel

“…This work seeks to contribute to the understanding of the intrinsic, geological-geotechnical and operational causes of overbreak in tunnels through the case…”
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A quantitative assessment of the environmental sustainability of UCG and CO2 storage by Navarro Torres, Vidal Félix

“…In this study, an innovative numerical model was developed to quantify the environmental sustainability situation of in situ underground coal gasification…”
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Periodized Aerobic Training between Thresholds Improves Submaximal Cardiorespiratory Parameters in Octogenarians by Cofre-Bolados, Cristian, Vidal, Félix, Gutiérrez Espinoza, Héctor, Betancourt-Peters, Ignacio, Orihuela, Pedro A, Izquierdo, Mikel

“…Background and Aims: The worldwide aging population is expanding, with more individuals living into their 80s. Physiological functions decline gradually with…”
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Sub Maximal Ergospirometry Parameters in Untrained Non-Frail Octogenarian Subjects by Cofre-Bolados, Cristian, Ferrari, Gerson, Valdivia-Moral, Pedro, Vidal-Díaz, Félix, Ramírez-Vélez, Robinson, Izquierdo-Redin, Mikel

“…: The prevalence of chronic diseases increases with age, and in octogenarian elderly, a cardiorespiratory test with gas analysis is more effective in…”
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Numerical Modelling of Blasting Fragmentation Optimization in a Copper Mine by Torres, Vidal Félix Navarro, Castro, Cristian, Valencia, María Elena, Figueiredo, Janine Rodrigues, Silveira, Leandro Geraldo Canaan

“…The blasting operation considerably influences the overall productivity of opencast mines, especially when blasting results in oversized fragments that impact…”
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Application of the HF, DRA and DCDA technologies for in situ stress determination in Iron Quadrangle rock masses by de Andrade Penido, Henrique, Funato, Akio, Metsugi, Hideya, Navarro Torres, Vidal Félix, Girao Sotomayor, Juan Manuel, Dight, Phil, Peluci de Figueiredo, Rodrigo, Pacheco de Assis, André, Guimarães, Alessandro

“…This study presents an unprecedented campaign of measurements (magnitudes and orientations) of the in situ stresses in itabirite rocks of the Brazilian Iron…”
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Multi-physics data registration for the improvement of Additive Manufacturing process control by Bergeaud, Vincent, Rathore, Jitendra Singh, Setoain, Imanol, Bredif, Philippe, Gilardi, Filippo, Stivell, Hémon-Charles, Vidal, Félix, Prieto, Camilo, Garcia, Fernando A. P.

“…The work presented in this paper is to tend towards a goal of developing a methodology and associated software module to establish cross-correlation between…”
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Optimum mine production rate based on price uncertainty by Souza, Felipe Ribeiro, Câmara, Taís Renata, Torres, Vidal Félix Navarro, Nader, Beck, Galery, Roberto

“…Abstract The production rate of a mining operation has an important effect on the operational cycle and gross profit, which are often evaluated based on…”
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Mine fleet cost evaluation - Dijkstra's optimized path by Souza, Felipe Ribeiro, Câmara, Taís Renata, Torres, Vidal Félix Navarro, Nader, Beck, Galery, Roberto

“…Abstract The transport distance in a mining operation strongly influences a mine operation revenue and its operational cycle because it is a fundamental part…”
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Development and application of a flexible numerical model to evaluate the safety of room-and-pillar mines by Napa-García, Gian Franco, Câmara, Taís Renata, Torres, Vidal Félix Navarro

“…Abstract The design of room-and-pillar mines relies on the correct estimation of the safety indicator of the underground structures formed by the excavation of…”
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Comparative stability analyses of traditional and selective room-and-pillar mining techniques for sub-horizontal tungsten veins by Navarro Torres, Vidal Félix, Dinis da Gama, Carlos, Costa e Silva, Matilde, Neves, Paula Falcão, Xie, Qiang

“…The stability and productivity concerning a modification on the traditional room and pillar for a new selective technique at the Portuguese Panasqueira Mine…”
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Analysis of the impacts of slope angle variation on slope stability and NPV via two different final pit definition techniques by Chaves, Leonardo Soares, Carvalho, Luiz Alberto, Souza, Felipe Ribeiro, Nader, Beck, Ortiz, Carlos Enrique Arroyo, Torres, Vidal Félix Navarro, Câmara, Taís Renata, Napa-García, Gian Franco, Valadão, George Eduardo Sales

“…Abstract The traditionally and widely used Lerchs-Grossmann algorithm presents well-known limitations that newer propositions attempt to overcome. The direct…”
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Impact of grade distribution on the final pit limit definition by Carvalho, Luiz Alberto, Souza, Felipe Ribeiro, Chaves, Leonardo Soares, Nader, Beck, Câmara, Taís Renata, Torres, Vidal Félix Navarro, Galery, Roberto

“…Abstract Geologic modeling is an important step in determining the benefits and final pit dimensions for mining operations. Geostatistical models and…”
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Direct block scheduling under marketing uncertainties by Burgarelli, Hudson Rodrigues, Souza, Felipe Ribeiro, Nader, Alizeibek Saleimen, Torres, Vidal Félix Navarro, Câmara, Taís Renata, Ortiz, Carlos Enrique Arroyo, Galery, Roberto

“…Abstract Mineral projects are composed of geological, operational and market uncertainties, and reducing these uncertainties is one of the objectives of…”
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Direct block scheduling technology: Analysis of Avidity by Souza, Felipe Ribeiro, Burgarelli, Hudson Rodrigues, Nader, Alizeibek Saleimen, Ortiz, Carlos Enrique Arroyo, Chaves, Leonardo Soares, Carvalho, Luiz Alberto, Torres, Vidal Félix Navarro, Câmara, Taís Renata, Galery, Roberto

“…Abstract This study is focused on Direct Block Scheduling testing (Direct Multi-Period Scheduling methodology) which schedules mine production considering the…”
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Classical and stochastic mine planning techniques, state of the art and trends by Torres, Vidal Félix Navarro, Nader, Beck, Ortiz, Carlos Enrique Arroyo, Souza, Felipe Ribeiro, Burgarelli, Hudson Rodrigues, Chaves, Leonardo Soares, Carvalho, Luiz Alberto, Câmara, Taís Renata, Zanetti, Eunírio, Galery, Roberto

“…Abstract Determination of the best possible ultimate pit for an open pit mine is a fundamental subject that has undergone a highly evolutionary process,…”
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Special Issue on Advances in Industrial Robotics and Intelligent Systems by Moreira, António Paulo, Neto, Pedro, Vidal, Félix

“…Robotics and intelligent systems are key technologies to promote efficient and innovative applications in the most diverse domains (industry, healthcare,…”
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