Abstract
The method for identification of nonlinear systems proposed in 1952 by Hodgkin and Huxley is mathematically justified. A procedure for the application of this method is developed, including the development of the structure of a mathematical model, carrying out a series of tests with special chosen signals, and determination of unknown parameters. Basic requirements for the admissible sets of input and output signals and to the system operator have been determined. It is shown that this operator should be totally continuous and that the minimum number of unknown parameters and the minimum complexity of the operator structure should give an approximation of the necessary quality. The pros and cons of the Hodgkin-Huxley and Noble mathematical models and the methods used for their development are discussed. A structure for the operator for the identification of mathematical models of excitable membranes with a large number of membrane currents is proposed. It is found that the nonlinear electrical properties of biological membranes can be identified using tests with other types of “clamped” parameters, such as the current, ramp voltage, etc.
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Original Russian Text © M.E. Mazurov, 2006, published in Biofizika, 2006, Vol. 51, No. 6, pp. 1019–1025.
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Mazurov, M.E. Identification of nonlinear models of biological membranes using the voltage-clamp method. BIOPHYSICS 51, 896–901 (2006). https://doi.org/10.1134/S000635090606008X
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DOI: https://doi.org/10.1134/S000635090606008X