A method for the identification of time delays in linear systems
- 1 February 1970
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Automatic Control
- Vol. 15 (1) , 97-101
- https://doi.org/10.1109/tac.1970.1099357
Abstract
An automatic method is presented for the identification of time delays and parameters in linear systems. It is assumed that processes to be identified can be described by linear differential-difference equations. Unknown parameters in these equations are determined by a continuous steepest descent minimization of an error function. If the process parameters are constant, a region exists in the parameter space in which the tracking paramters converge to the process parameters. If all process time delays are known as well, the tracking parameters will always converge. Two examples are presented which show that the method may be used to identify slowly varying parameters. A third example indicates techniques leading to a more economical implementation of the method.Keywords
This publication has 7 references indexed in Scilit:
- The Use of Piecewise Continuous Expansions in the Identification of Nonlinear SystemsJournal of Basic Engineering, 1969
- A Discrete Method for Parameter Identification in Linear Systems with Transport LagsIEEE Transactions on Aerospace and Electronic Systems, 1969
- The Simulation of Variable DelayIEEE Transactions on Computers, 1968
- On the identification of linear and nonlinear systemsSIMULATION, 1967
- Some fundamental aspects of process-parameter estimationIEEE Transactions on Automatic Control, 1963
- A Method for the Determination of a Differential Equation Model for Simple Nonlinear SystemsIEEE Transactions on Electronic Computers, 1963
- The automatic determination of human and other system parametersPublished by Association for Computing Machinery (ACM) ,1961