Amali, R., Noroozi, S., Vinney, J., Sewell, P. and Andrews, S., 2006. Predicting interfacial loads between the prosthetic socket and the residual limb for below-knee amputees - a case study. Strain, 42 (1), pp. 3-10.
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Official URL: http://www.blackwell-synergy.com/doi/abs/10.1111/j...
In this study, an artificial neural network (ANN) was deployed as a tool to determine the internal loads between the residual limb and prosthetic socket for below-knee amputees. This was achieved by using simulated load data to validate the ANN and captured clinical load data to predict the internal loads at the residual limb–socket interface. Load/pressure was applied to 16 regions of the socket, using loading pads in conjunction with a load applicator, and surface strains were collected using 15 strain gauge rosettes. A super-position program was utilised to generate training and testing patterns from the original load/strain data collected. Using this data, a back-propagation ANN, developed at the University of the West of England, was trained. The input to the trained network was the surface strains and the output the internal loads/pressure. The system was validated and the mean square error (MSE) of the system was found to be 8.8% for 1000 training patterns and 8.9% for 50 testing patterns, which was deemed an acceptable error. Finally, the validated system was used to predict pressure-sensitive/-tolerant regions at the limb–socket interface with great success.
|Uncontrolled Keywords:||Artificial intelligence, below knee, interfacial pressure, network, neural, prosthetic, socket assessment|
|Subjects:||Technology > Manufacturing and Design > Design|
|Group:||School of Design, Engineering & Computing > Design Simulation Research Centre|
|Deposited By:||INVALID USER|
|Deposited On:||25 Apr 2007|
|Last Modified:||07 Mar 2013 14:35|
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