System identification of the human hand grasping a haptic knob

Author(s):  
C.J. Hasser ◽  
M.R. Cutkosky
Author(s):  
Anish Sebastian ◽  
Parmod Kumar ◽  
Madhavi Anugolu ◽  
Marco P. Schoen ◽  
Alex Urfer ◽  
...  

Processing electromyographic (EMG) signals for force estimation has many unknown variables that can influence the outcome or interpretation of the recorded EMG signal significantly. An array of filtering methods have been proposed over the past few years with the objective to classify motion for use in prosthetic hands. In this paper, we explore the optimal parameter settings of a set of Bayesian based EMG filters with the objective to use the filtered EMG data for system identification. System identification is utilized to establish a relationship between the measured EMG data and the generated force developed by fingers in a human hand. The proposed system identification is based on nonlinear Hammerstein-Wiener models. Optimization is also applied to find the optimal parameter settings for these nonlinear models. Genetic Algorithm (GA) is used to conduct the optimization for both, the optimal parameter settings for the Bayesian filters as well as the Hammerstein-Wiener model. The experimental results and optimization analysis indicate that the optimization can yield significant improvement in data accuracy and interpretation.


1982 ◽  
Vol 47 (4) ◽  
pp. 373-375 ◽  
Author(s):  
James L. Fitch ◽  
Thomas F. Williams ◽  
Josephine E. Etienne

The critical need to identify children with hearing loss and provide treatment at the earliest possible age has become increasingly apparent in recent years (Northern & Downs, 1978). Reduction of the auditory signal during the critical language-learning period can severely limit the child's potential for developing a complete, effective communication system. Identification and treatment of children having handicapping conditions at an early age has gained impetus through the Handicapped Children's Early Education Program (HCEEP) projects funded by the Bureau of Education for the Handicapped (BEH).


1976 ◽  
Author(s):  
C. W. Suggs ◽  
John Wayne Mishoe

2017 ◽  
Vol 39 (1) ◽  
pp. 17-41
Author(s):  
Jacques Lezra

Humanism returns for the New Materialism in ‘nonhuman’ form as matter. New ‘matter’ and new materialism thus fashion the world to human advantage in the gesture of abjecting us. They commit us to the humanism of masochists. They offer an animistic and paradisiacal realm of immediate transactions, human to human, human to and with nonhuman, face to face, world without end. The impulse is tactically and strategically useful. But ‘matter’ will not help us if we fashion it so that it bears in its concept the signature of a human hand in its making. Can we do otherwise? Only by conceiving matter as what absolutizes what is not-one: matter from which no discipline will normally, normatively, produce an object or take its concept; on which heroical abjection will founder; matter non-human in ways the human animal can neither designate, nor ever count.


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