Search Results - "Siqueira, A G"

Real-Time Identification of Gait Events in Impaired Subjects Using a Single-IMU Foot-Mounted Device by Perez-Ibarra, Juan C., Siqueira, Adriano A. G., Krebs, Hermano Igo

“…Real time identification of gait events is a mandatory condition for adaptive or patient-tailored control of robotic devices during gait therapy. Despite most…”
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Polymer Optical Fiber for Angle and Torque Measurements of a Series Elastic Actuator's Spring by Leal-Junior, Arnaldo G., Frizera, Anselmo, Marques, Carlos, Sanchez, Manuel R. A., dos Santos, Wilian M., Siqueira, Adriano A. G., Segatto, Marcelo V., Pontes, Maria Jose

“…Series elastic actuators (SEAs) can provide low output impedance, bandwidth close to the human movement, and direct measurement of torque through the spring…”
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Quasi-Distributed Torque and Displacement Sensing on a Series Elastic Actuator's Spring Using FBG Arrays Inscribed in CYTOP Fibers by Leal-Junior, Arnaldo G., Theodosiou, Antreas, Min, Rui, Casas, Jonathan, Diaz, Camilo R., Dos Santos, Wilian M., Pontes, Maria Jose, Siqueira, Adriano A. G., Marques, Carlos, Kalli, Kyriacos, Frizera, Anselmo

“…We report the application of fiber Bragg grating (FBG) arrays in polymer optical fibers for the quasi-distributed displacement and torque sensing in a series…”
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Polymer Optical Fiber-Based Integrated Instrumentation in a Robot-Assisted Rehabilitation Smart Environment: A Proof of Concept by Leal-Junior, Arnaldo, Avellar, Leticia, Jaimes, Jonathan, Díaz, Camilo, Dos Santos, Wilian, Siqueira, Adriano A G, Pontes, Maria José, Marques, Carlos, Frizera, Anselmo

“…Advances in robotic systems for rehabilitation purposes have led to the development of specialized robot-assisted rehabilitation clinics. In addition,…”
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Impedance Control for Robotic Rehabilitation: A Robust Markovian Approach by Jutinico, Andres L, Jaimes, Jonathan C, Escalante, Felix M, Perez-Ibarra, Juan C, Terra, Marco H, Siqueira, Adriano A G

“…The human-robot interaction has played an important role in rehabilitation robotics and impedance control has been used in the regulation of interaction forces…”
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Inertial Sensor Error Reduction through Calibration and Sensor Fusion by Lambrecht, Stefan, Nogueira, Samuel L, Bortole, Magdo, Siqueira, Adriano A G, Terra, Marco H, Rocon, Eduardo, Pons, José L

“…This paper presents the comparison between cooperative and local Kalman Filters (KF) for estimating the absolute segment angle, under two calibration…”
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Evaluation of Motor Primitive-Based Adaptive Control for Lower Limb Exoskeletons by Nunes, Polyana F, Ostan, Icaro, Siqueira, Adriano A G

“…In order to assist after-stroke individuals to rehabilitate their movements, research centers have developed lower limbs exoskeletons and control strategies…”
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Global Kalman filter approaches to estimate absolute angles of lower limb segments by Nogueira, Samuel L, Lambrecht, Stefan, Inoue, Roberto S, Bortole, Magdo, Montagnoli, Arlindo N, Moreno, Juan C, Rocon, Eduardo, Terra, Marco H, Siqueira, Adriano A G, Pons, Jose L

“…In this paper we propose the use of global Kalman filters (KFs) to estimate absolute angles of lower limb segments. Standard approaches adopt KFs to improve…”
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Markov jump linear systems-based position estimation for lower limb exoskeletons by Nogueira, Samuel L, Siqueira, Adriano A G, Inoue, Roberto S, Terra, Marco H

“…In this paper, we deal with Markov Jump Linear Systems-based filtering applied to robotic rehabilitation. The angular positions of an impedance-controlled…”
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Experimental investigation on adaptive robust controller designs applied to constrained manipulators by Nogueira, Samuel L, Pazelli, Tatiana F P A T, Siqueira, Adriano A G, Terra, Marco H

“…In this paper, two interlaced studies are presented. The first is directed to the design and construction of a dynamic 3D force/moment sensor. The device is…”
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Experimental investigation on adaptive robust controller designs applied to a free-floating space manipulator by Pazelli, Tatiana F.P.A.T., Terra, Marco H., Siqueira, Adriano A.G.

“…This paper aims to formulate and investigate the application of various nonlinear H ∞ control methods to a free-floating space manipulator subject to…”
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Identification of Gait Events in Healthy and Parkinson's Disease Subjects Using Inertial Sensors: A Supervised Learning Approach by Perez-Ibarra, Juan C., Siqueira, Adriano A. G., Krebs, Hermano I.

“…Automatic detection of gait phases through supervised learning is a feasible approach that takes advantage of the consistency of the gait cycle among healthy…”
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Identification of Gait Events in Healthy Subjects and With Parkinson's Disease Using Inertial Sensors: An Adaptive Unsupervised Learning Approach by Perez-Ibarra, Juan C., Siqueira, Adriano A. G., Krebs, Hermano I.

“…Automatic identification of gait events is an essential component of the control scheme of assistive robotic devices. Many available techniques suffer…”
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Gait Pattern Adaptation for an Active Lower-Limb Orthosis Based on Neural Networks by Gomes, M. A., Silveira, G. L. M., Siqueira, A. A. G.

“…This work deals with neural network (NN)-based gait pattern adaptation algorithms for an active lower-limb orthosis. Stable trajectories with different walking…”
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Polymer Optical Fiber Sensors in Wearable Devices: Toward Novel Instrumentation Approaches for Gait Assistance Devices by Leal-Junior, Arnaldo G., Frizera, Anselmo, Vargas-Valencia, Laura, dos Santos, Wilian M., Bo, Antonio P. L., Siqueira, Adriano A. G., Jose Pontes, Maria

“…This paper presents the application of polymer optical fiber (POF) sensors in wearable devices for gait assistance. Intensity variation-based POF curvature…”
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Adaptive Algorithm for Gait Segmentation Using a Single IMU in the Thigh Pocket by Garcia, Francisco A., Perez-Ibarra, Juan C., Terra, Marco H., Siqueira, Adriano A. G.

“…Gait segmentation may help monitoring the evolution of patients during rehabilitation treatment through the analysis of properly defined metrics. Many…”
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Markovian Robust Filtering and Control Applied to Rehabilitation Robotics by Escalante, Felix M., Jutinico, Andres L., Jaimes, Jonathan C., Terra, Marco H., Siqueira, Adriano A. G.

“…In this article, we deal with rehabilitation robot robust control in order to obtain best performance in the human-robot interaction. This class of system is…”
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Preliminary Evaluation of Disturbance Torque Estimation Approaches for Lower-limb Robotic Rehabilitation by Jaimes, Jonathan C., Siqueira, Adriano A.G.

“…In robotic rehabilitation, knowledge of human joint torques is very important to provide reliable data for clinical assessment and to provide feedback…”
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Robust linear quadratic regulator applied to an inverted pendulum by Escalante, Felix M., Jutinico, Andres L., Terra, Marco H., Siqueira, Adriano A. G.

“…The natural instability of an inverted pendulum and its dynamics richness, in terms of nonlinearity, provide a nice apparatus to reproduce behaviors of…”
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Simulation of impedance control applied to lower limb exoskeletons: assessment of its effectiveness in assisting disabled people during gait swing phase by Mosconi, Denis, Siqueira, Adriano A. G.

“…In this work we are interested in to assess the effectiveness of a impedance control applied to a lower limb exoskeleton that assists a individual with…”
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