Development of cylindrical type finger-force measuring system for measuring grasping finger-force of human

Kim, G. S.; Kim, H. M.; Yoon, Jungwon; Shin, Hyi-Jun

doi:10.1109/robio.2010.5723593

Cited by 4 publications

(1 citation statement)

References 2 publications

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“…Measuring finger force has been tried before, using wearable fingertip sensors [5], [6], [7], gloves [8] or instrumented graspable objects [9], [10], but most such devices are unidirectional and none of them reach the precision of the FFLS. In particular, the FFLS can accurately and simultaneously measure the force applied by the human fingertips in both directions (flexion and extension of index, middle, ring and little finger plus thumb rotation and abduction/adduction) 1 .…”

Section: Introductionmentioning

confidence: 99%

FFLS: An accurate linear device for measuring synergistic finger contractions

Kõiva

Hilsenbeck

Castellini

2012

2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society

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After decades of theoretical study in physiology and neurology communities, the paradigm of muscle synergies is now being explored in rehabilitation robotics as a strategy to control mechanical artifacts with many degrees-of-freedom (DoF) in a simple yet effective and human-like way. In particular, muscle synergies during grasping and in graded-force tasks are of great interest for the control of dexterous hand prostheses. To this end, we have designed and tested a novel device to accurately and simultaneously measure fingertip forces. The device, called FFLS (Finger-Force Linear Sensor), measures the forces applied by the human fingertips in both directions (flexion and extension of index, middle, ring and little finger plus thumb rotation and abduction/adduction). It is suited for several different hand sizes, enforces high accuracy in the measurement and its signal is guaranteed to be linear in a high range of forces (100N in both directions for each finger). It outputs six analog voltages (±10V), suited for processing with a DAQ card.

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Section: Introductionmentioning

confidence: 99%

FFLS: An accurate linear device for measuring synergistic finger contractions

Kõiva

Hilsenbeck

Castellini

2012

2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society

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Improvement for the stability of an air-lubricated six-axis force/moment sensor

Huang

Tao

et al. 2017

Int J Adv Manuf Technol

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Engineering Analysis of a Failed Compass Proximal Interphalangeal (Pip) Joint Hinge

Youssef

Shepherd

Titley

2015

Biomed. Eng. Appl. Basis Commun.

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A failed compass hinge external fixator for fingers has been analyzed. The device consists of polymer parts manufactured from polyetherimide. Finite element analysis (FEA) was used to investigate the principal stresses in the device under different loading conditions. Scanning electron microscopy (SEM) was used to investigate the fracture surfaces. The FEA showed that the maximum principal stress was greater than the fatigue strength of polyetherimide. The SEM fractographs confirm that failure was by brittle fatigue.

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Development of cylindrical type finger-force measuring system for measuring grasping finger-force of human

Cited by 4 publications

References 2 publications

FFLS: An accurate linear device for measuring synergistic finger contractions

FFLS: An accurate linear device for measuring synergistic finger contractions

Improvement for the stability of an air-lubricated six-axis force/moment sensor

Engineering Analysis of a Failed Compass Proximal Interphalangeal (Pip) Joint Hinge

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