| [1] | D. W. Clarke and P. J. Gawthrop. Comments on: “on adaptive minimum variance regulation for nonminimum phase plants”. Automatica, 20(2):261, 1984. [ bib ] |
| [2] |
P.J. Gawthrop.
Parameter estimation from noncontiguous data.
Control Theory and Applications, IEE Proceedings D,
131(6):261--266, 1984.
[ bib |
DOI ]
A `linear-in-the-parameters¿ representation is derived for a data set formed by concatenating a number of input-output data records which, although arising from the same system, are not contiguous in time. As well as parameters describing the system, further `splicing parameters¿ arise from the discontinuities in the concatenated data records at the joins. This representation gives rise to a method of `data splicing¿ which enables system parameters to be recursively identified from the concatenated data records. The method is particularly useful when each individual data record is not, by itself, sufficient to identify the system parameters. The method is developed for noise-free differential equation models, but the basic principles are more widely applicable. An illustrative example is given. Keywords: parameter estimation;discontinuities;input-output data records;noise-free differential equation models;parameter estimation;splicing parameters |
| [3] | P. J. Gawthrop. Implementation of distributed self-tuning controllers. In Proceedings of EUROCON 84, the 6th European Conference on Electrotechnics, pages 348--352. Peter Peregrinus, 1984. [ bib ] |
| [4] | P. J. Gawthrop. FT --- a Fourier transform calculator. Report CE/S/25, University of Sussex, School of Engineering and Applied Sciences, 1984. [ bib ] |
| [5] |
P. J. Gawthrop.
Parametric identification of transient signals.
IMA Journal of Mathematical Control and Information,
1(2):117--128, 1984.
[ bib |
DOI ]
The state-variable filter method of continuous-time parameter identification using a discrete-time identifier is extended to be applicable to signals composed of a transient response generated by a class of unforced nonlinear systems to which has been added a constant offset. The results are illustrated by estimating some hydrodynamic coefficients of a ship from free decay data; and some implications for self-tuning control are discussed.
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| [6] | P. J. Gawthrop. Input output methods in stability analysis. In IEE colloquium on “Recent advances in Self-tuning Control”, 1984. [ bib ] |
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