António Paulo Coimbra

Architecture and Operational Control for Resilient Microgrids—A University Case Study

Alexandre F. M. Correia; Miguel António Gonçalves Neves; Ana Isabel Casal dos Reis; António Paulo Coimbra; Tony Richard de Oliveira de Almeida; Pedro Moura; Aníbal T. de Almeida

IEEE Access

Artificial intelligence-driven protocol for secure and standardized maneuver control in electrical substations

Gustavo Havila F. Campos; Viviane M. Gomes Pacheco; Marcio Rodrigues C. Reis; Clóves Gonçalves Rodrigues; Saulo Rodrigues Silva; Antonio Paulo Coimbra; Wesley Pacheco Calixto

Engineering Applications of Artificial Intelligence

Building Fire-Resilient Forests: Robotic Innovations for Wildfire Risk Mitigation

Micael S. Couceiro; Paulo Peixoto; A. Paulo Coimbra; Aníbal T. de Almeida

IEEE Robotics & Automation Magazine

Connection-based framework for assessing natural complexity in nonlinear adaptive systems

Viviane M. Gomes Pacheco; Gabriel A. Wainer; Flavio A. Gomes; Weber Martins; Joao Ricardo B. Paiva; Marcella Scoczynski R. Martins; Clóves Gonçalves Rodrigues; Antonio Paulo Coimbra; Wesley Pacheco Calixto

Chaos, Solitons & Fractals

Control and stabilization of quadcopters subjected to propeller failures

Junio Santos Bulhões; Cristiane Lopes Martins; Viviane M. Gomes Pacheco; Alana da Silva Magalhães; Clóves Gonçalves Rodrigues; Antonio Paulo Coimbra; Wesley Pacheco Calixto

Robotics and Autonomous Systems

Electrical Safety in Solar Home Systems for Off-Grid Refrigeration in Developing Countries: An Assessment of Best Practices and Recommendations

Evandro de Santana Garcia; A. Paulo Coimbra; Anibal T. de Almeida

IEEE Industry Applications Magazine

Hybrid machine learning model for disinfectant dosing in small-scale water treatment under data scarcity

Diego Takashi Sato; Orlando M. Oliveira Belo; Junior Antonio P. Castro; Viviane M. Gomes Pacheco; Cloves Gonçalves Rodrigues; Antonio Paulo Coimbra; Wesley Pacheco Calixto

Journal of Water Process Engineering

Interpretable artificial intelligence modeling of pre-emergence herbicide bioactivity in weakly weathered soils for optimized dose recommendations, Part I: Diclosulam

Danielle Resende Almeida; Virginia Damin; Ademir Xavier Souza; Clóves Gonçalves Rodrigues; Antonio Paulo Coimbra; Wesley Pacheco Calixto

Science of The Total Environment

MCDM Optimization-Based Development of a Plus-Energy Microgrid Architecture for University Buildings and Smart Parking

Mahmoud Ouria; Alexandre F. M. Correia; Pedro Moura; Paulo Coimbra; Aníbal T. de Almeida

Energies

Methodology for optimizing electrical grounding grids in stratified soils using advanced calculation techniques and evolutionary algorithms

Carlos Leandro Borges da Silva; Thyago Gumeratto Pires; Antonio Marcelino Silva Filho; Junio Santos Bulhões; Orlando M. Oliveira Belo; Clóves Gonçalves Rodrigues; Antonio Paulo Coimbra; Wesley Pacheco Calixto

Swarm and Evolutionary Computation

Multidimensional robustness analysis for optimizing complex systems

João Ricardo B. Paiva; Viviane M. Gomes Pacheco; Júnio Santos Bulhões; Clóves Gonçalves Rodrigues; António Paulo Coimbra; Wesley Pacheco Calixto

Knowledge-Based Systems

Enhancement of the Performance of Switched Reluctance Generators in Low Wind Speed Conditions Using Advanced Tracking Techniques

Lucas Diniz S. Morais; Marcio R. Cunha Reis; Wanderson Rainer Hilário de Araújo; Marcella Scoczynski R. Martins; Luiz Eduardo B. Ribeiro; Clóves Gonçalves Rodrigues; Antonio Paulo Coimbra; Wesley Pacheco Calixto

INTERNATIONAL JOURNAL OF ENERGY RESEARCH

Handwriting Assessment Using a Haptic Joystick for Rehabilitation Purposes

Vasco Quaresma; João Lopes; João P. Ferreira; A. Paulo Coimbra; Manuel M. Crisóstomo

IEEE Access

Platform and simulator with three degrees of freedom for testing quadcopters

Júnio Santos Bulhões; Cristiane Lopes Martins; Cristian Hansen; Márcio Rodrigues da Cunha Reis; Alana da Silva Magalhães; Antonio Paulo Coimbra; Wesley Pacheco Calixto

Robotics and Autonomous Systems

Complexity measure based on sensitivity analysis applied to an intensive care unit system

Joao R. B. Paiva; Viviane M. G. Pacheco; Poliana S. Barbosa; Fabiana R. Almeida; Gabriel A. Wainer; Flavio A. Gomes; A. Paulo Coimbra; Wesley P. Calixto

Scientific Reports

Forest Vegetation Detection Using Deep Learning Object Detection Models

Paulo A. S. Mendes; A. Paulo Coimbra; Anibal de Almeida

Forests

Sunspot Detection Using YOLOv5 in Spectroheliograph H-Alpha Images

José Santos; Nuno Peixinho; Teresa Barata; Carlos Pereira; A. Paulo Coimbra; Manuel M. Crisóstomo; Mateus Mendes

Applied Sciences

Acoustics applied in the development of equipment for precision agriculture: Coffee handling and harvesting

Geovanne Pereira Furriel; Brunna C.r.s. Furriel; Antônio P. Coimbra; Wesley P. Calixto

COMPUTERS AND ELECTRONICS IN AGRICULTURE

Application of the Horizontal Soil Stratification and Lateral Profiling Methods for 3D Mapping of the Soil Electrical Resistivity

Wesley P. Calixto; Carlos L. B. Silva; Viviane M. Gomes; Marcio R. C. Reis; Antonio M. Silva Filho; A. Paulo Coimbra; Gabriel A. Wainer

Energies

Comparative Analysis of the Optimization and Implementation of Adjustment Parameters for Advanced Control Techniques

Cleber Asmar Ganzaroli; Douglas Freire de Carvalho; A. Paulo Coimbra; Luiz Alberto do Couto; Wesley Pacheco Calixto

Energies

Comparative Evaluation of Mobile Platforms for Non-Structured Environments and Performance Requirements Identification for Forest Clearing Applications

João Luís Lourenço; Luís Conde Bento; António Paulo Coimbra; Aníbal T. de Almeida

Forests

Measure of Customer Satisfaction in the Residential Electricity Distribution Service Using Structural Equation Modeling

Agenor Sousa Santos Neto; Márcio Rodrigues da Cunha Reis; A. Paulo Coimbra; Júlio Valandro Soares; Wesley Pacheco Calixto

Energies

Optimization Process Applied in the Thermal and Luminous Design of High Power LED Luminaires

Jose Luiz F. Barbosa; A. Paulo Coimbra; Dan Simon; Wesley Pacheco Calixto

Energies

Non-Destructive Fast Estimation of Tree Stem Height and Volume Using Image Processing

João Coelho; Beatriz Fidalgo; Manuel.m. Crisóstomo; Raúl Salas-gonzález; A. Paulo Coimbra; Mateus Mendes

Symmetry

The NAO Robot in Slippery Scenarios: A Strategy

João P. Ferreira; G. Franco; A. Coimbra; M. Crisóstomo

Journal of Information Systems Engineering and Management

Autonomous System for Wildfire and Forest Fire Early Detection and Control

Luís Miguel Ferreira; A. Paulo Coimbra; Aníbal T. de Almeida

Inventions

Human-Like Gait Adaptation to Slippery Surfaces for the NAO Robot Wearing Instrumented Shoes

João P. Ferreira; Guilherme Franco; A. Paulo Coimbra; Manuel Crisóstomo

International Journal of Humanoid Robotics

Assis - Cicerone Robot With Visual Obstacle Avoidance Using a Stack of Odometric Data

A. Paulo Coimbra

IAENG International Journal of Computer Science

Human knee joint walking pattern generation using computational intelligence techniques

João P. Ferreira; Alexandra Vieira; Paulo Ferreira; Manuel Crisóstomo; A. Paulo Coimbra

Neural Computing and Applications

Calculation of the influence of slot geometry on the magnetic flux density of the air gap

Rodrigo Alves de Lima; A. C. Paulo Coimbra; Tony Almeida; Viviane Margarida Gomes; Thiago Martins Pereira; Aylton J. Alves; Wesley Pacheco Calixto

Transactions on Environment and Electrical Engineering

Portfolio optimization of renewable energy assets: Hydro, wind, and photovoltaic energy in the regulated market in Brazil

D. Pinheiro Neto; E.g. Domingues; A.p. Coimbra; A.t. de Almeida; A.j. Alves; W.p. Calixto

Energy Economics

Treadmill and Vision System for Human Gait Acquisition and Analysis

Paulo A. Ferreira; João P. Ferreira; Manuel Crisóstomo; A. Paulo Coimbra

Advances in Science, Technology and Engineering Systems Journal

Troubleshooting in geoelectrical prospecting using real-coded genetic algorithm with chromosomal extrapolation

W.p. Calixto; A.p. Coimbra; J.c. da Mota; M. Wu; Et Al.

International Journal of Numerical Modelling: Electronic Networks, Devices and Fields

Tuning a PD controller based on an SVR for the control of a biped robot subject to external forces and slope variation

J.p. Ferreira; M. Crisóstomo; A.p. Coimbra

International Journal of Advanced Robotic Systems

Adaptive PD Controller Modeled via Support Vector Regression for a Biped Robot

Joao P. Ferreira; Manuel M. Crisostomo; A. Paulo Coimbra

IEEE Transactions on Control Systems Technology

3-D soil stratification methodology for geoelectrical prospection

W.p. Calixto; A.p. Coimbra; B. Alvarenga; J.p. Molin; A. Cardoso; L.m. Neto

IEEE Transactions on Power Delivery

Assessing the performance of SDM-based robot navigation with different image processing techniques

M. Mendes; A.p. Coimbra; M.m. Crisóstomo

IAENG International Journal of Computer Science

Carter's factor calculation using domain transformations and the finite element method

W.p. Calixto; B. Alvarenga; A.p. Coimbra; A.j. Alves; Et Al.

International Journal of Numerical Modelling: Electronic Networks, Devices and Fields

Disturbance rejection using an intelligent computing control technique for a biped robot

J.p. Ferreira; M. Crisostomo; A.p. Coimbra

World Automation Congress Proceedings

Imaging particulate two-phase flow in liquid suspensions with electric impedance tomography

P.m. Faia; R. Silva; M.g. Rasteiro; F.a.p. Garcia; Et Al.

Particulate Science and Technology

Robot navigation based on view sequences stored in a sparse distributed memory

M. Mendes; A.p. Coimbra; M.m. Crisóstomo

Robotica

SVR Controller for a Biped Robot in the Sagittal Plane with Human-Based ZMP Trajectory Reference and Gait

João P. Ferreira; Manuel Crisóstomo; A. Paulo Coimbra

International Journal of Humanoid Robotics

Improved vision-based robot navigation using a sdm and sliding window search

M. Mendes; A.p. Coimbra; M.m. Crisóstomo

Engineering Letters

Robot navigation using view sequences and sliding window search

M. Mendes; A.p. Coimbra; M.m. Crisóstomo

Proceedings of the World Congress on Engineering 2011, WCE 2011

Sagittal stability PD controllers for a biped robot using a neurofuzzy network and an SVR

J.p. Ferreira; M. Crisóstomo; A.p. Coimbra

Robotica

Path planning for robot navigation using view sequences

M. Mendes; A.p. Coimbra; M.m. Crisóstomo

WCE 2010 - World Congress on Engineering 2010

SVR control of the sagittal balance of a biped robot combining torso and ankle joints

J.p. Ferreira; M. Crisóstomo; A.p. Coimbra

2010 World Automation Congress, WAC 2010

Control of a biped robot with support vector regression in sagittal plane

J.p. Ferreira; M.m. Crisostomo; A.p. Coimbra; B. Ribeiro

IEEE Transactions on Instrumentation and Measurement

Human gait acquisition and characterization

J.p. Ferreira; M.m. Crisostomo; A.p. Coimbra

IEEE Transactions on Instrumentation and Measurement

Human-like ZMP trajectory reference in sagittal plane for a biped robot

J.p. Ferreira; M. Crisóstomo; A.p. Coimbra

2009 International Conference on Advanced Robotics, ICAR 2009

Rejection of an external force in the sagittal plane applied on a biped robot using a neuro-fuzzy controller

J.p. Ferreira; M. Crisóstomo; A.p. Coimbra

2009 International Conference on Advanced Robotics, ICAR 2009

SVR controller of a biped robot in the sagittal plane when pulling a mass

J.p. Ferreira; M. Crisóstomo; A.p. Coimbra

2009 International Conference on Advanced Robotics, ICAR 2009

SVR versus neural-fuzzy network controllers for the sagittal balance of a biped robot

J.p. Ferreira; M.m. Crisostomo; A.p. Coimbra

IEEE Transactions on Neural Networks

EasyMAG - Magnetic field toolbox calculator for electrical installation project

T.r.o. Almeida; A.p. Coimbra; C.f.r.l. Antunes

COMPEL - The International Journal for Computation and Mathematics in Electrical and Electronic Engineering

Walk control of a biped robot using neuro-fuzzy

J.p. Ferreira; M. Crisóstomo; A.p. Coimbra

WSEAS Transactions on Systems

Considerations on dynamic and static stability of a biped robot

J. Ferreira; M. Crisóstomo; A. Coimbra

WSEAS Transactions on Circuits and Systems

Evaluation of the high voltage transmission line inductance and capacitance using the finite element approach

J.a. Dias Pinto; A.p. Coimbra; P.g. Pereirinha; C.f. Lemos Antunes

COMPEL - The International Journal for Computation and Mathematics in Electrical and Electronic Engineering

Influence of the neutral in the thermal performance of a three-phase induction motor under unbalanced power supply using the finite element approach

J.a.d. Pinto; A.p. Coimbra; C.l. Antunes; X.m.l. Fernández; M.p. Donsión

COMPEL - The International Journal for Computation and Mathematics in Electrical and Electronic Engineering

Influence of the thermal dependency of the current density in the solution of the heat transfer problem using the finite element approach

Jose Americo Dias Pinto; Antonio Paulo Breda Coimbra; Carlos F.r.lemos Antunes

COMPEL - The International Journal for Computation and Mathematics in Electrical and Electronic Engineering

Linearizing electric fields with first order finite element potential solutions

A.p.b. Coimbra

IEEE Transactions on Magnetics

Transient heating and cooling analysis in an electromagnetic device

Jose Americo Dias Pinto; Carlos F.lemos Antunes; A.paulo Breda Coimbra

IEEE Transactions on Magnetics

Computer aided insulator design

Carlos F.r. Lemos Antunes; Antonio Paulo Breda Coimbra

Architecture and Control Simulation for Improved System Resiliency of a Building Microgrid

Alexandre F. M. Correia; José M. B. Lopes; A. Paulo Coimbra; Pedro Moura; Aníbal T. de Almeida

2023 IEEE/IAS 59th Industrial and Commercial Power Systems Technical Conference (I&CPS)

Mains Conducted Electromagnetic Noise Measurement in a Residential and University Environments

F. A. G. Ferreira; A. Paulo Coimbra; T. R. O. Almeida; L. O. Fichte

21st International Symposium On Electromagnetic Fields In Mechatronics, Electrical and Electronic Engineering (ISEF 2023)

Handwriting rehabilitation using a haptic device

Vasco Quaresma; João P. Ferreira; A. Paulo Coimbra; Manuel Marques Crisóstomo; João Pinheiro; João Lopes

16th World Congress of the International Society of Physical and Rehabilitation Medicine (ISPRM 2022)

Analyzing Electromagnetic Shielding Properties Of Concrete Walls

Tony. R. O. Almeida; A. Paulo Coimbra; Iurii Medvedev; Lars Ole Fichte; João Dias Carrilho

CEES 2021 – Int. Conference on Construction, Energy, Environment & Sustainability

Electromagnetic Field Distribution Inside a Concrete Room – Comparison of Simulation and Measurements in Downscaled Model and Real Scale Container

Lars Ole Fichte; Tony. R. O. Almeida; A. Paulo Coimbra; M. Schaarschmidt; J. Dias Carrilho

CEES 2021

Indoor Radio-Frequency Electromagnetic Fields: A New Paradigm In Indoor Environmental Quality

João Dias Carrilho; Lars Ole Fichte; Tony. R. O. Almeida; Georgiana Rosu; A. Paulo Coimbra

CEES 2021 – Int. Conference on Construction, Energy, Environment & Sustainability

NEXTSTEP – Developing future smart secondary substations

P. J. G. Carreira; J. M.g. M. Santos; L. Pires; Et Al.

CIRED 2021 - The 26th International Conference and Exhibition on Electricity Distribution

Impacts of automated natural ventilation in the temperature and humidity of a distribution transformer room

Alexandre Correia; Luis Ferreira; Paulo Coimbra; Anibal de Almeida

2020 IEEE 14th International Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG)

Low-Cost System for Early Detection and Deployment of Countermeasures Against Wild Fires

Miguel Antunes; Luis Miguel Ferreira; Carlos Viegas; A. Paulo Coimbra; Anibal T. de Almeida

Circumventing obstacles for visual robot navigation using a stack of odometric data

M. Mendes; A.p. Coimbra; M.m. Crisóstomo

Low cost vision system for human gait acquisition and characterization

P.a. Ferreira; J.p. Ferreira; M. Crisóstomo; A.p. Coimbra

Investment risk analysis for photovoltaic power plant in the free contracting environment

D.p. Neto; E.g. Domingues; A.p. Coimbra; A.t. Almeida; W.p. Calixto

Exploring long-range correlations for text classification using a sparse distributed memory

M. Mendes; A.p. Coimbra; M.m. Crisostomo; J. Rodrigues

Improved SDM-based robot navigation using image processing techniques

M. Mendes; A.p. Coimbra; M.m. Crisóstomo

SVR sagittal balance of a biped robot controlling the torso and ankle joint angles

J.p. Ferreira; M.m. Crisóstomo; A.p. Coimbra

Robot navigation and manipulation based on a predictive associative memory

S. Jockel; M. Mendes; J. Zhang; A.p. Coimbra; M. Crisóstomo

ZMP trajectory reference for the sagittal plane control of a biped robot based on a human CoP and gait

J.p. Ferreira; M. Crisóstomo; A.p. Coimbra

Neuro-fuzzy control of a biped robot able to be subjected to an external pushing force in the sagittal plane

J.p. Ferreira; M. Crisóstomo; A.p. Coimbra

Robot navigation using a sparse distributed memory

M. Mendes; M. Crisóstomo; A.p. Coimbra

A human gait analyzer

J.p. Ferreira; M. Crisóstomo; A.p. Coimbra; D. Carnide; A. Marto

AI and memory: Studies towards equipping a robot with a sparse distributed memory

M. Mendes; A.p. Coimbra; M. Crisóstomo

Simulation control of a biped robot with Support Vector Regression

J.p. Ferreira; M. Crisóstomo; A.p. Coimbra; B. Ribeiro

Thermal analysis of an induction motor fed by unbalanced power supply using a combined finite element-symmetrical components formulation

X.m.l. Fernandez; A.p. Coimbra; J.a.d. Pinto; C.l. Antunes; M.p. Donsion

Vision-based Robot Navigation: Quest for intelligent approaches using a Sparse Distributed Memory

A. Paulo Coimbra

Universal Publishers Brownwalker Press

Human–Machine Interfaces to NX100 Controller for Motoman HP3L Robot in Educational Environment

João P. Ferreira; Inês Simões; A. Paulo Coimbra; M. Crisóstomo

Communications in Computer and Information Science. Springer International Publishing

Hand Exercise Using a Haptic Device

Paulo A. S. Mendes; João P. Ferreira; A. Paulo Coimbra; Manuel M. Crisóstomo; César Bouças

Communications in Computer and Information Science. Springer International Publishing

Knee Injured Recovery Analysis Using Extreme Learning Machine

João P. Ferreira; Bernardete Ribeiro; Alexandra Vieira; A. Paulo Coimbra; Manuel M. Crisóstomo; César Bouças

Communications in Computer and Information Science. Springer International Publishing

Using Subject-Specific Reference Cyclograms on the Gait Evaluation of a Cerebral Palsy Patient

Pedro Sá Cunha; João P. Ferreira; A. Paulo Coimbra; Manuel M. Crisóstomo; César Bouças

Communications in Computer and Information Science. Springer International Publishing

Computational Intelligence Generation of Subject-Specific Knee and Hip Healthy Joint Angles Reference Curves

Pedro Sá Cunha; João Ferreira; A. Paulo Coimbra; Manuel Crisóstomo

XV Mediterranean Conference on Medical and Biological Engineering and Computing – MEDICON 2019. Springer

Virtual Interface for an Active Motorized Pedal Exerciser for Human Leg Rehabilitation

João Ferreira; A. Paulo Coimbra; Manuel Crisóstomo; Tao Liu

XV Mediterranean Conference on Medical and Biological Engineering and Computing – MEDICON 2019. Springer

Vision-Based Collision Avoidance for Service Robot

Mateus Mendes; A. Paulo Coimbra; Manuel M. Crisóstomo; Manuel Cruz

Transactions on Engineering Technologies. Springer Singapore

Experiments with a Sparse Distributed Memory for Text Classification

Mateus Mendes; A. Paulo Coimbra; Manuel M. Crisóstomo; Jorge Rodrigues

Transactions on Engineering Technologies. Springer Netherlands

SVR Controller for a Biped Robot with a Human-like Gait Subjected to External Sagittal Forces

João P. Ferreira; Manuel Crisóstomo; A. Paulo Coimbra; Bernardete Ribeiro

Biped Robots. InTech

Topological Mapping Using Vision and a Sparse Distributed Memory

Mateus Mendes; A. Paulo Coimbra; Manuel M. Crisóstomo

Electrical Engineering and Applied Computing. Springer Netherlands

Encoding Data to Use with a Sparse Distributed Memory

Mateus Mendes; Manuel M. Crisóstomo; A. Paulo Coimbra

Electronic Engineering and Computing Technology. Springer Netherlands

Lighting commanding method and an assymetrical gesture decoding device to command a lighting apparatus

A. Paulo Coimbra

Estados Unidos

Calçado instrumentado para análise da marcha (Instrumented footwear for gait analysis)

A. Paulo Coimbra

Portugal

Lâmpada com controlo do fluxo luminoso (Light bulb with control of the luminous flux)

A. Paulo Coimbra

Portugal

Difusor de luz de fluxo orientado (Flow-oriented light diffuser)

A. Paulo Coimbra

Portugal

Circuito magnético otimizado de disco de indução (Optimized magnetic circuit of induction disk)

A. Paulo Coimbra

Portugal