Fernando Brunetti

Fernando Brunetti
Universidad Católica Nuestra Señora de la Asunción · Dirección General de Posgrado e Investigación

Electronic Eng., PhD

About

45
Publications
14,483
Reads
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1,577
Citations
Additional affiliations
February 2012 - January 2016
Universidad Católica Nuestra Señora de la Asunción
Position
  • Managing Director

Publications

Publications (45)
Chapter
This study presents the modulation of the cortical excitability by the association of the voluntary motor-related cortical patterns with the assistance provided by a hybrid robotic system during the execution of reaching movement. The cortical excitability was assessed before and after the intervention measuring the peak-to-peak amplitude of the Mo...
Article
Full-text available
Background Brain injury survivors often present upper-limb motor impairment affecting the execution of functional activities such as reaching. A currently active research line seeking to maximize upper-limb motor recovery after a brain injury, deals with the combined use of functional electrical stimulation (FES) and mechanical supporting devices,...
Chapter
The combined use of functional electrical stimulation and robotic exoskeleton in a hybrid rehabilitation system represents a promising research field for rehabilitation of the motor functions after stroke. In this work, we report the results obtained in a study carried out with a hybrid robotic system for reaching rehabilitation. The system was tes...
Conference Paper
Full-text available
This study present an intervention combining an electroencephalography-based brain computer interface with a hybrid robotic system for the modulation of the cortical excitability (plasticity). Plasticity is intended to be elicited through the association of the voluntary motor-related cortical processes with the hybrid assistance during the executi...
Conference Paper
Hybrid rehabilitation robotics combine neuro-prosthetic devices (close-loop functional electrical stimulation systems) and traditional robotic structures and actuators to explore better therapies and promote a more efficient motor function recovery or compensation. Although hybrid robotics and ankle neuroprostheses (NPs) have been widely developed...
Article
In recent years the combined use of functional electrical stimulation (FES) and robotic devices, called hybrid robotic rehabilitation systems, has emerged as a promising approach for rehabilitation of lower and upper limb motor functions. This paper presents a review of the state of the art of current hybrid robotic solutions for upper limb rehabil...
Conference Paper
Full-text available
Reaching and grasping are two of the most affected functions after stroke. Hybrid rehabilitation systems combining Functional Electrical Stimulation with Robotic devices have been proposed in the literature to improve rehabilitation outcomes. In this work, we present the combined use of a hybrid robotic system with an EEG-based Brain-Machine Interf...
Article
Full-text available
Hybrid robotic systems represent a novel research field, where functional electrical stimulation (FES) is combined with a robotic device for rehabilitation of motor impairment. Under this approach, the design of robust FES controllers still remains an open challenge. In this work, we aimed at developing a learning FES controller to assist in the pe...
Article
Full-text available
Balance control plays a key role in neuromotor rehabilitation after stroke or spinal cord injuries. Computerized dynamic posturography (CDP) is a classic technological tool to assess the status of balance control and to identify potential disorders. Despite the more accurate diagnosis generated by these tools, the current strategies to promote reha...
Conference Paper
Full-text available
The ubiquitous and plug-and-play characteristics are fundamental in the development of future wireless sensor networks (WSNs). Runtime reconfigurable systems have also proven to be of interest improving the development of WSNs, at the expense of increasing notably the cost, complexity, and power consumption of the WSN mote, as well as potentially o...
Conference Paper
This paper presents a low cost system for the assessment, diagnosis and training of balance based on static posturography and functional electrical stimulation (FES). This system includes low cost technology as the Wii Fit Balance Board and the Kinect. The posturography is a complementary tool to clinical diagnosis, and allows to find sensory syste...
Conference Paper
Every year, stroke significantly affects thousands of individuals who require rehabilitation to regain lost movements and return to a normal life. Exoskeletons are becoming a very powerful tool to help therapists in this rehabilitation process. This work presents a robotic exoskeleton designed to assist overground gait training for stroke survivors...
Conference Paper
No todas las personas tienen la capacidad de interactuar con las interfaces de acceso más comunes como los teclados, pulsadores y de pantallas táctiles. Existen trabajos innovadores que apuntan al desarrollo de interfaces alternativas en respuesta a las necesidades comentadas. Una interfaz alternativa (IA) es una interfaz de entrada que puede ser c...
Chapter
The spasticity represents a sensory-motor disorder. Spams and clonus are two patholigcal movements present in subject with spasticity. These diseases may be caused by CNS lesions like Cerebrovascular Accidents or Spinal Cord Injuries (SCI). Technological aids for rehabilitation and compensation after CVA or SCI have to deal with these sudden involu...
Conference Paper
Hybrid exoskeletons combine robotic orthoses and motor neuroprosthetic devices to compensate for motor disabilities and assist rehabilitation. The basic idea is to take benefits from the strength of each technology, primarily the power of robotic actuators and the clinical advantages of using patient's muscles, while compensating for the respective...
Chapter
The use of hybrid exoskeletons has emerged as an alternative for compensation or rehabilitation of people who suffered cerebrovascular accidents (CVA) or a spinal cord injury (SCI). The efficiency of the system comes from the combination of robotic orthosis and motor neuroprosthetic devices in order to drive a rehabilitation process to treat these...
Conference Paper
Full-text available
Wireless Sensors Network (WSN) together with an efficient delivery of information can provide important benefits to society. However, this technology is still in its early stage. The smart transducer concept, defined by the IEEE 1451 standard and combined with embedded operating systems like TinyOS, can simplify the design and management of WSNs. T...
Conference Paper
Environmental monitoring is one of the most classic applications of Wireless Sensor Networks (WSN). Itaipu hydroelectric dam creates a unique scenario for the develop ment of this type of WSN with more than 200 square kilometers of natural forests. In this context, FLORA project is aimed at developing a habitat monitoring WSN to be deployed in the...
Article
Full-text available
This paper presents the development of a novel functional electrical stimulation (FES) system. New approaches in emerging rehabilitation robotics propose the use of residual muscular activity or limbs movements during the rehabilitation process of neuromotor. More ambitious projects propose the use of FES systems to restore or compensate motor capa...
Article
Full-text available
The design of a wearable robotic exoskeleton needs to consider the interaction, either physical or cognitive, between the human user and the robotic device. This paper presents a method to analyse the interaction between the human user and a unilateral, wearable lower-limb exoskeleton. The lower-limb exoskeleton function was to compensate for muscl...
Article
Full-text available
Nanotechnologies promise new solutions for several applications in biomedical, industrial and military fields. At nano-scale, a nano-machine can be considered as the most basic functional unit. Nano-machines are tiny components consisting of an arranged set of molecules, which are able to perform very simple tasks. Nanonetworks. i.e., the interconn...
Chapter
IntroductionWearable robotic networks, from wired to wirelessWired wearable robotic networksWireless wearable robotic networksCase Study: smart textiles to measure comfort and performanceCase Study: ExoNETCase Study: NeuroLab, a multimodal networked exoskeleton for neuromotor and biomechanical researchCase Study: communication technologies for the...
Article
Full-text available
Application of intermittent control of the knee joint stiffness in a knee ankle foot orthosis (KAFO) during gait is proposed. The approach combines inertial sensors and an actuator system in order to apply compensation in quadriceps weakness with a wearable device. Two methods, segment-angular rotation based and segment-angular velocity based, are...
Conference Paper
NeuroLab refers to an experimental platform designed to enhance studies in human movement and neuro-motor control. The platform comprises a robotic exoskeleton and some other stand-alone devices. All of these components have communication capabilities integrated in hardware and can work cooperatively taking advantage of a networked architecture. A...
Conference Paper
This article describes the use or a wearable tool to investigate sudden oscillators such those present in fatigue-induced tremor. The tool, called tremor coherence analyser (TCA), can sample up to four EMG channels. It calculates the coherence function between two selected channels in order to assess the coupling level between the signals. High coh...
Chapter
Full-text available
The differences found in the patients' kinematic gait patterns during the application of functional compensation on the lower limb showed significant differences regarding the subjects' usual gait. In both patients rapid adaptations were observed and new motor commands were learnt necessary for managing the exoskeleton with the constraints imposed...
Conference Paper
Microelectromechanical systems (MEMS) are revolutionizing a multitude of industries world wide, from consumer products to the scientific community. Rehabilitation robotics is a robotic field specially interested in using the advantages of inertial sensors. The essential aspect in this area is the intrinsic interaction between human and robot, which...
Article
This paper presents the design and implementation of a cost-effective and small inertial measurement unit (IMU) for application on leg smart orthotics and prosthetics. IMU design based on biomechanical considerations for lower leg devices is presented. Methods for calculation of a number of biomechanical parameters related to gait based on the unit...
Conference Paper
Biomechanical loading, in particular, viscous loading of the upper limb has been proposed in the literature as a means for suppressing pathologic tremor. It is expected that an improvement on manipulative function can be obtained by reducing the tremorous motion associated to some neurological disorders. This article presents two non-grounded contr...
Article
Full-text available
Systems for motion caption and assessment in biomechanics are mostly based on photogrammetry. These systems are restricted to the movement analysis lab and moreover, they are very expensive. New advances in MEMs (Microelectromechanical) and wireless technologies enable inertial sensing as an alternatives for motion caption. This paper presents a wi...
Conference Paper
Exoskeletal devices can provide assistance and supplement to the biological musculoskeletal members. We present a wearable robotic exoskeleton conceived as an improved lower leg orthosis for compensation of human knee and ankle joints disorders provoked by muscle weaknesses during walking, introducing novel biomechanical and user acceptance aspects...
Conference Paper
Full-text available
The TCA (tremor coherence analyzer) project proposes a portable system to asses instantaneously muscle coupling using surface electromyography (SEMG). The present article shows preliminary results that justify the use of this portable tool to detect sudden emergence of neuro-oscillators during typical diagnosis tasks in people with pathological tre...
Article
Full-text available
An intelligent orthosis for knee and ankle joints functional compensation during walking and daily activities is developed in the frame of the Gait project. Such a device can be worn by patients with an abnormal gait caused by muscle weakness at neurological and muscular diseases, to provide safety and walking pat- tern improvement, while providing...
Article
Full-text available
This paper proposes a novel system for pathological tremor study and diagnosis. The system described called TCA (tremor coherence analyzer) is based on a electronic device developed for wireless monitoring of physiological variables. The device uses Bluetooth technology to communicate. The proposed technique for pathological tremor analysis uses su...
Article
Full-text available
A wearable control and monitoring system has been developed for a novel active orthotic device. The development addresses the need of an autonomous tool for gait analysis during normal use of the orthotic device. The system has two basic components: the base unit and the ambulatory Uniu. The units communicate by means of a Bluetooth link. In order...
Article
Full-text available
INTRODUCCIÓN Tradicionalmente las ortesis funcionales se basan en un diseño más o menos complejo que considera una serie de características mecánicas que buscan proteger la articulación de cargas no deseadas y compensar por pérdida funcional. Las técnicas de supervisión de la marcha [1] han sido ampliamente utilizadas en la evaluación de pacientes...

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Projects (2)
Project
Demostrar la viabilidad y la eficiencia del sistema híbrido (FES+Exoesqueleto) de miembro superiores como herramienta de neurorrehabilitación para movimientos de alcance en pacientes con ictus.