AIMC Topic: Torque
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Is an Anterolateral Ligament Reconstruction Required in ACL-Reconstructed Knees With Associated Injury to the Anterolateral Structures? A Robotic Analysis of Rotational Knee Stability.
The American journal of sports medicine
Jan 5, 2017
BACKGROUND: The effect of an anterolateral ligament (ALL) reconstruction on rotational knee stability and corresponding anterior cruciate ligament (ACL) graft forces using multiple knee loading conditions including the pivot-shift phenomenon has not ...
Movement Performance of Human-Robot Cooperation Control Based on EMG-Driven Hill-Type and Proportional Models for an Ankle Power-Assist Exoskeleton Robot.
IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society
Jun 22, 2016
Although the merits of electromyography (EMG)-based control of powered assistive systems have been certified, the factors that affect the performance of EMG-based human-robot cooperation, which are very important, have received little attention. This...
Computer Simulation
Female
Reproducibility of Results
Adult
Sensitivity and Specificity
Humans
Artificial Limbs
Models, Biological
Torque
Psychomotor Performance
Ankle Joint
Male
Muscle, Skeletal
Robotics
Equipment Design
Biofeedback, Psychology
Electric Power Supplies
Isometric Contraction
Neurological Rehabilitation
Equipment Failure Analysis
Feedback, Physiological
Exoskeleton Device
Man-Machine Systems
A novel 4-DOF surgical instrument with modular joints and 6-Axis Force sensing capability.
The international journal of medical robotics + computer assisted surgery : MRCAS
Jun 13, 2016
BACKGROUND: It is difficult for surgeons to exert appropriate forces during delicate operations due to lack of force feedback in robot-assisted minimally invasive surgery (RMIS). A 4-DOF surgical grasper with a modular wrist and 6-axis force sensing ...
Sex-based differences in knee ligament biomechanics during robotically simulated athletic tasks.
Journal of biomechanics
Mar 8, 2016
ACL injury rates are greater in female athletes than their male counterparts. As female athletes are at increased risk, it is important to understand the underlying mechanics that contribute to this sex bias. The purpose of this investigation was to ...
Adaptive Control of Exoskeleton Robots for Periodic Assistive Behaviours Based on EMG Feedback Minimisation.
PloS one
Feb 16, 2016
In this paper we propose an exoskeleton control method for adaptive learning of assistive joint torque profiles in periodic tasks. We use human muscle activity as feedback to adapt the assistive joint torque behaviour in a way that the muscle activit...
A Robot-Driven Computational Model for Estimating Passive Ankle Torque With Subject-Specific Adaptation.
IEEE transactions on bio-medical engineering
Aug 31, 2015
BACKGROUND: Robot-assisted ankle assessment could potentially be conducted using sensor-based and model-based methods. Existing ankle rehabilitation robots usually use torquemeters and multiaxis load cells for measuring joint dynamics. These measurem...
Effects of a wearable exoskeleton stride management assist system (SMA®) on spatiotemporal gait characteristics in individuals after stroke: a randomized controlled trial.
Journal of neuroengineering and rehabilitation
Aug 20, 2015
BACKGROUND: Robots offer an alternative, potentially advantageous method of providing repetitive, high-dosage, and high-intensity training to address the gait impairments caused by stroke. In this study, we compared the effects of the Stride Manageme...
Simulation-Based Design for Wearable Robotic Systems: An Optimization Framework for Enhancing a Standing Long Jump.
IEEE transactions on bio-medical engineering
Jul 30, 2015
GOAL: Technologies that augment human performance are the focus of intensive research and development, driven by advances in wearable robotic systems. Success has been limited by the challenge of understanding human-robot interaction. To address this...
Surrogate modeling of deformable joint contact using artificial neural networks.
Medical engineering & physics
Jul 26, 2015
Deformable joint contact models can be used to estimate loading conditions for cartilage-cartilage, implant-implant, human-orthotic, and foot-ground interactions. However, contact evaluations are often so expensive computationally that they can be pr...
An experimental comparison of the relative benefits of work and torque assistance in ankle exoskeletons.
Journal of applied physiology (Bethesda, Md. : 1985)
Jul 9, 2015
Techniques proposed for assisting locomotion with exoskeletons have often included a combination of active work input and passive torque support, but the physiological effects of different assistance techniques remain unclear. We performed an experim...
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