126 documents found, page 1 of 13
Automatic Grasping System and Hybrid Controller Towards Multi-Drone Parcel Deli...
Guerreiro, Bruno J.; Azevedo, Francisco; Oliveira, Paulo; Cunha, RitaThis paper presents the development of an autonomous grasping mechanism for drone-based parcel delivery systems towards developing capabilities for in-flight package transfer. The approach integrates a mechanical gripper fitted with sensors and a pose estimation method for parcels, all coordinated through a hybrid Model Predictive Control (MPC) architecture. The gripper’s mechanical structure and prototype are ...
Training needs in soft skills of Portuguese Nurses and Associated Factors
Lopes, Pedro; Oliveira, Paulo; Amorim, Valter; Nogueira, Catarina; Correia de Matos, Ricardo; Minas, Ricardo; Ricardo Correia, António; Almeida, CarlosIntroduction: The dynamic nature of the healthcare sector requires the continuous education of nurses, especially regarding transversal competences in the profession, which are essential for ensuring the quality of care. Objectives: To identify the perceived needs of Portuguese nurses regarding training in Transversal Competencies and analyze the association between sociodemographic and professional variables a...
Fixed-plot monitoring as a tool to assess population trends of underground nest...
Catry, Paulo; Dias, Maria P.; Menezes, Dília; Oliveira, Paulo; Lopes, Daniel; Alho, Maria; Campioni, Letizia; Catry, Teresa; Gatt, Marie ClaireMedium to small petrels that mostly nest in burrows or crevices represent a large fraction of the world’s seabirds, yet their population trends are largely unknown. This lack of knowledge, which has implications for conservation planning, results mostly from methodological difficulties and from the approaches that have been used for their monitoring. Here, we present the surveying scheme created to monitor Cory...
Synthetic gypsum-based plaster for production of multiple optical glass lenses
Branco, Miguel; Reis, Miguel; Oliveira, Paulo; Costa, Manuel F. M.To improve the efficiency of lens blocking for grinding and polishing, plaster use was studied in the work herein reported.The dimensional stability, low thermal expansion, shapability, and cost-effectiveness of plaster can contribute to the production of high-quality optical lenses. These results foster advancements in optical manufacturing, enhancing the simultaneous processing of multiple lenses or prisms.
Lens blocking solution using synthetic gypsum-based plaster for optical glass l...
Branco, Miguel; Reis, Miguel; Oliveira, Paulo; Costa, Manuel F. M.The production of high-quality lenses and optical components for high-end optical instruments, such as cameras or binoculars, is a demanding process requiring advanced skills and careful training, as well as rigorous quality control throughout both the manufacturing chain and the final products. In this communication, an overview is presented of the processes involved in lens manufacturing. Recent advances in l...
Reabilitação da aprendizagem com a estratégia flipped classroom
Oliveira, PauloDescreve-se uma adaptação da estratégia de aprendizagem ativa flipped classroom, tendo como público-alvo uma turma da licenciatura de Biologia Humana. Em anos recentes erificou-se o predomínio de alunos cuja compreensão insuficiente dos conceitos fundamentais torna praticamente inalcançáveis os objetivos da aprendizagem específica da unidade curricular Biologia do esenvolvimento. Procurou-se, através desta prát...
OUTLOOK OF A WEB-BASED OSCILLOSCOPE CLONE FOR E-LEARNING
Cardoso Ferreira, João Pedro; Rocha, André; Alves, Mário; Oliveira, PauloThis paper overviews the software architecture, implementation, applications, and preliminary user experience of a computer application that mimics an Oscilloscope and a Signal Generator, in the context of a course on fundamentals of electrical circuit analysis (TCIRC, ECE degree @ ISEP). This web app (available at http://osciloscopio.dee.isep.ipp.pt/) can operate in Simulation mode or Acquisition & Control...
LAR@MSL Team description paper 2024
Ribeiro, António Fernando Alcântara; Lopes, Carolina; Ribeiro, Cláudio; Costa, Joel; Martins, José; Oliveira, Paulo; Silva, Rúben; Lima, RuiThe LAR@MSL team has been participating in MSL for many years, from 1999-2007, 2011, 2016 and again in 2023. This Team Description Paper intends to briefly explain the robot’s structure, hardware and software and some of the most important changes implemented by this new team. It is important to point out that new students joined the team and are new to the league. Most of the changes, so far, have been regardi...
A performance comparison between different industrial real-time indoor localiza...
Rebelo, Paulo M.; Lima, José; Soares, Salviano Pinto; Oliveira, Paulo; Sobreira, Héber; Costa, PedroThe flexibility and versatility associated with autonomous mobile robots (AMR) have facilitated their integration into different types of industries and tasks. However, as the main objective of their implementation on the factory floor is to optimize processes and, consequently, the time associated with them, it is necessary to take into account the environment and congestion to which they are subjected. Locali...
The relevance of Evolutionary Significant Units for the conservation of island-...
Rato, Catarina; Oliveira, Paulo; Menezes, Dília; Funk, Stephan M.; Rebelo, Rui; Nogales, Manuel; Rocha, RicardoWithin vertebrates, reptiles are good island colonisers, often leading to considerable levels of intraspecific diversity among populations inhabiting different islands/archipelagos. This study explores the mitochondrial phylogeographic structure of Tarentola boettgeri, a gecko species endemic to the Macaronesian archipelagos of Selvagens and the Canary Islands. Our research introduces a novel monophyletic group...