Results 11 to 20 of about 1,277,844 (252)
Positive Force Feedback Control of Muscles [PDF]
Journal of Neurophysiology, 1997 Prochazka, Arthur, Deborah Gillard, and David J. Bennett. Positive force feedback control of muscles. J. Neurophysiol. 77: 3226–3236, 1997. This study was prompted by recent evidence for the existence of positive force feedback in feline locomotor control.
A, Prochazka, D, Gillard, D J, Bennett
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Augmented Feedback Reduces Jump Landing Forces [PDF]
Journal of Orthopaedic & Sports Physical Therapy, 2001 Randomized, experimental design using a 1-way ANCOVA to determine the influence of various forms of feedback on jump landing forces.To investigate the effects of augmented feedback versus sensory feedback on the reduction of jump landing forces.Several investigators have reported an increased risk of lower extremity injury associated with landing from ...
J A, Onate +2 more
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System analysis of force feedback microscopy [PDF]
Journal of Applied Physics, 2014 It was shown recently that the Force Feedback Microscope (FFM) can avoid the jump-to-contact in Atomic force Microscopy even when the cantilevers used are very soft, thus increasing force resolution. In this letter, we explore theoretical aspects of the associated real time control of the tip position.
Rodriguès, Mario S. +3 more
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The Grounds For Time Dependent Market Potentials From Dealers' Dynamics
, 2007 We apply the potential force estimation method to artificial time series of market price produced by a deterministic dealer model. We find that dealers' feedback of linear prediction of market price based on the latest mean price changes plays the ...
A. Sato +8 more
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Industrial Robot: An International Journal, 2007 The term force feedback has a relatively long history in various fields. It originates in the field of teleoperation.
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Force feedback and basic laparoscopic skills [PDF]
Surgical Endoscopy, 2008 Not much is known about the exact role of force feedback in laparoscopy. This study aimed to determine whether force feedback influences movements of instruments during training in laparoscopic tasks and whether force feedback is required for training in basic laparoscopic force application tasks.A group of 19 gynecologic residents, randomly divided ...
Chmarra, M.K. (author) +3 more
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Positive force feedback in human walking [PDF]
The Journal of Physiology, 2007 The objective of this study was to determine if load receptors contribute to the afferent‐mediated enhancement of ankle extensor muscle activity during the late stance phase of the step cycle. Plantar flexion perturbations were presented in late stance while able‐bodied human subjects walked on a treadmill that was declined by 4%, inclined by 4% or ...
Grey, Michael James +3 more
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Visual force feedback in laparoscopic training [PDF]
Surgical Endoscopy, 2011 To improve endoscopic surgical skills, an increasing number of surgical residents practice on box or virtual reality (VR) trainers. Current training is focused mainly on hand-eye coordination. Training methods that focus on applying the right amount of force are not yet available.The aim of this project is to develop a low-cost training system that ...
Horeman, T. +4 more
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Force feedback linearization for higher-order electromechanical sigma-delta modulators.
, 2005 A higher-order electromechanical sigma–delta modulator can greatly improve the signal-to-noise ratio compared with a second-order loop that only uses the sensing element as a loop filter.
Dong, Yufeng +2 more
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Limitations of Constant-Force-Feedback Experiments [PDF]
Biophysical Journal, 2012 Single-molecule force spectroscopy has provided important insights into the properties and mechanisms of biological molecules and systems. A common experiment is to measure the force dependence of conformational changes at equilibrium. Here, we demonstrate that the commonly used technique of force feedback has severe limitations when used to evaluate ...
Elms, Phillip J. +3 more
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