AIMC Topic: Torque

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Targeted muscle effort distribution with exercise robots: Trajectory and resistance effects.

Medical engineering & physics Jul 3, 2021
The objective of this work is to relate muscle effort distributions to the trajectory and resistance settings of a robotic exercise and rehabilitation machine. Muscular effort distribution, representing the participation of each muscle in the trainin...
Robotics Electromyography Torque Exercise Muscle, Skeletal
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V-Shape Pneumatic Torsional Actuator: A Building Block for Soft Grasper and Manipulator.

Soft robotics Jun 24, 2021
Robotic joints are fundamental components in artificial graspers and manipulators, and they are designed to achieve high dexterity to carry out various tasks. Traditional robotic hands are often driven by rigid joints, such as tendons and electric mo...
Humans Robotics Equipment Design Torque
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Customizing Robot-Assisted Passive Neurorehabilitation Exercise Based on Teaching Training Mechanism.

BioMed research international May 31, 2021
Passive movement is an important mean of rehabilitation for stroke survivors in the early stage or with greater paralysis. The upper extremity robot is required to assist therapists with passive movement during clinical rehabilitation, while customiz...
Female Stroke Aged Motion Physical Therapy Modalities Friction Adult Torque Humans Arm Algorithms Stroke Rehabilitation Middle Aged Biomechanical Phenomena Exercise Therapy Neurological Rehabilitation Robotics Range of Motion, Articular Male Equipment Design Upper Extremity
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Force-Free Control for Direct Teaching of a Surgical Assistant Robot End Effector with Wire-Driven Bidirectional Telescopic Mechanism.

Sensors (Basel, Switzerland) May 17, 2021
This paper shows the design and modeling of an end effector with a bidirectional telescopic mechanism to allow a surgical assistant robot to hold and handle surgical instruments. It also presents a force-free control algorithm for the direct teaching...
Surgical Instruments Friction Torque Mechanical Phenomena Robotics
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Torque Curve Optimization of Ankle Push-Off in Walking Bipedal Robots Using Genetic Algorithm.

Sensors (Basel, Switzerland) May 14, 2021
Ankle push-off occurs when muscle-tendon units about the ankle joint generate a burst of positive power at the end of stance phase in human walking. Ankle push-off mainly contributes to both leg swing and center of mass (CoM) acceleration. Humans use...
Humans Walking Ankle Joint Biomechanical Phenomena Gait Ankle Robotics Torque
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Rugged and Compact Three-Axis Force/Torque Sensor for Wearable Robots.

Sensors (Basel, Switzerland) Apr 14, 2021
In the field of robotics, sensors are crucial in enabling the interaction between robots and their users. To ensure this interaction, sensors mainly measure the user's strength, and based on this, wearable robots are controlled. In this paper, we pro...
Torque Electric Capacitance Wearable Electronic Devices Robotics
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Real-time optimization of an ellipsoidal trajectory orientation using muscle effort with Extremum Seeking Control.

Medical engineering & physics Mar 29, 2021
We present an approach for real-time model-free optimization of the orientation of the elliptical trajectory. The performance is evaluated in simulation and experimental stages. Our model-free approach is based on the use of Extremum Seeking Control ...
Electromyography Torque Arm Muscle, Skeletal Robotics Humans
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Using machine learning to investigate the relationship between domains of functioning and functional mobility in older adults.

PloS one Feb 11, 2021
Previous studies have shown that functional mobility, along with other physical functions, decreases with advanced age. However, it is still unclear which domains of functioning (body structures, body functions, and activities) are most closely relat...
Walking Torque Knee Respiration Muscle Strength Postural Balance Body Composition Aged, 80 and over Male Humans Female Aged Machine Learning
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Robot-Aided Training of Propulsion During Walking: Effects of Torque Pulses Applied to the Hip and Knee Joints During Stance.

IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society Jan 28, 2021
We sought to evaluate the effects of the application of torque pulses to the hip and knee joint via a robotic exoskeleton in the context of training propulsion during walking. Based on our previous study, we formulated a set of conditions of torque p...
Humans Walking Robotics Torque Biomechanical Phenomena Range of Motion, Articular Knee Joint
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Comparative Analysis of Cutting Forces, Torques, and Vibration in Drilling of Bovine, Porcine, and Artificial Femur Bone with Considerations for Robot Effector Stiffness.

Journal of healthcare engineering Oct 19, 2020
Bone drilling is known as one of the most sensitive milling processes in biomedical engineering field. Fracture behavior of this cortical bone during drilling has attracted the attention of many researchers; however, there are still impending concern...
Femur Cattle Animals Robotics Bone and Bones Vibration Swine Torque
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