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Validation of local model networks for electrically stimulated muscle

Gollee, H., and Murray-Smith, D.J. (1997) Validation of local model networks for electrically stimulated muscle. In: International Conference on Enginering Applications of Neural Networks (EANN '97), 16-18 June 1997, Stockholm, Sweden.

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Abstract

In this work we use Local Model Networks (LMN) as a non-linear modelling structure. In LMN, simple locally valid models are smoothly interpolated, forming a non-linear model. If the local models have a linear structure, tools are available to analyse the LMN in terms of changes of properties (such as steady state gain, location of poles) with changing operating conditions. The existence of such tools facilitates the validation of the model by providing means to check whether the model properties correspond to known properties of the real system. We use Local Model Networks to identify empirical models for isometric muscle contraction. Real data from rabbit muscle are employed. Both fast and slow muscle are investigated. Cross-validation tests show that Local Model Network models identified for these muscles produce good representations of the system behaviour. By applying the analysis tools to the LMNs identified for the fast and slow muscle it is shown that the different properties of these two kinds of muscle are represented by the empirical models.

Item Type:Conference Proceedings
Additional Information:Proceedings volume edited by A. B. Bulsari and S. Kallio and published by Systems Engineering Association (Systeemitsekniikan seurary), Turku, Finland, 1997. ISBN: 952-90-8667-9.
Keywords:muscle modelling, Local Model Networks, non-linear system identification
Status:Published
Refereed:Yes
Glasgow Author(s):Murray-Smith, Prof David and Gollee, Dr Henrik
Authors: Gollee, H., and Murray-Smith, D.J.
Subjects:Q Science > QA Mathematics
Q Science > QA Mathematics > QA76 Computer software
Q Science > QP Physiology
T Technology > TJ Mechanical engineering and machinery
T Technology > TK Electrical engineering. Electronics Nuclear engineering
College/School:College of Science and Engineering > School of Engineering > Systems Power and Energy

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