Read e-book online Adaptive systems in control and signal processing, 1989 : PDF

By Michael A Johnson; International Federation of Automatic Control

ISBN-10: 008035727X

ISBN-13: 9780080357270

The Symposium lined 3 significant parts: adaptive keep an eye on, id and sign processing. In all 3, new advancements have been mentioned overlaying either theoretical and functions examine. in the topic quarter of adaptive keep watch over the dialogue targeted round the demanding situations of strong regulate layout to unmodelled dynamics, strong parameter estimation and more advantageous functionality from the estimator, whereas the papers on identity took the subject matter of it being a bridge among adaptive keep an eye on and sign processing. the ultimate zone checked out points of sign processing: recursive estimation and adaptive filters.

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Additional resources for Adaptive systems in control and signal processing, 1989 : selected papers from the 3rd IFAC Symposium, Glasgow, UK, 19-21 April 1989

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Industrial LQG self-tuning controller design. Proc. IEEE Conference on Decision and Control, Athens. Jones (1987). LQG feedback and feedforward self­ tuning control. Proc. IFAC World Congress, Munich. J. and M . �ebek ( 1 989a). Optimal multivariable regulation with disturbance measurement feedforward. Int. J. Control, March. J. and M . � ebek ( 1989b). Implied polynomial matrix equations in multivariable stochastic optimal control. Submitted for publication. , M. Grimble (1987). Optimal multivariable LQG control using a single diophantine equation.

1. 7e(t) (48) The term in E is interpreted as a high-frequency periur· bation·in a lint-order plant. 5, a plant which makes the plant open-loop unstable. 3 shows the time evoMion of the feedback when the above plant is controlled by MUSMAR-oo. 4 shows the same variables but on the space l/1 j,J, superimposed on the quadratic curves of the quadratic cost, constrained to the choaen regulator regreuor (49) . A. ia apparent, MUSMAR· oo is able to tune close to the minimum of the underly· ing coat, despite the presence of unmodelled plant dynam· ica.

1/C might very well be an extreme high-pass filter. Furthermore, the coefficients of C are the hardest ones to estimate. Estimated C-polynomials some­ times tend to contain a factor 1 - q-1, which gives bad pole placement. ) With a suboptimal pole placement (3C0 , the feedback disturbance rejection may deteriorate. This matters less if feedforward can be applied: compare the difference between curves (1) and (3) to that between curves (2) and (4) in Figure 7. Allidina A Y, F M Hughes and C Tye (1981) .

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Adaptive systems in control and signal processing, 1989 : selected papers from the 3rd IFAC Symposium, Glasgow, UK, 19-21 April 1989 by Michael A Johnson; International Federation of Automatic Control


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