An artificial neural network approach and sensitivity analysis in predicting skeletal muscle forces

• Autorzy: Vilimek M.

Identyfikatory

DOI

10.5277/abb140314

• Języki publikacji: EN

Abstrakty

EN

This paper presents the use of an artificial neural network (NN) approach for predicting the muscle forces around the elbow joint. The main goal was to create an artificial NN which could predict the musculotendon forces for any general muscle without significant errors. The input parameters for the network were morphological and anatomical musculotendon parameters, plus an activation level experimentally measured during a flexion/extension movement in the elbow. The muscle forces calculated by the ‘Virtual Muscle System’ provide the output. The cross-correlation coefficient expressing the ability of an artificial NN to predict the “true” force was in the range 0.97 - 0.98. A sensitivity analysis was used to eliminate the less sensitive inputs, and the final number of inputs for a sufficient prediction was nine. A variant of an artificial NN for a single specific muscle was also studied. The artificial NN for one specific muscle gives better results than a network for general muscles. This method is a good alternative to other approaches to calculating of muscle force.

Słowa kluczowe

EN

elbow joint; muscle force prediction; neural network; sensitivity analysis

PL

staw łokciowy; mięśnie; sieć neuronowa

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Acta of Bioengineering and Biomechanics
• Rocznik: 2014
• Tom: Vol. 16, no. 3
• Strony: 119--127
• Opis fizyczny: Bibliogr. 39 poz. rys., tab., wykr.

Twórcy

autor

Vilimek M.

• Faculty of Mechanical Engineering, Czech Technical University in Prague

Bibliografia

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