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Finite word length implementation for digital reduced order observer based controllers

Finite word length implementation for digital reduced order observer based controllers
Finite word length implementation for digital reduced order observer based controllers
Implementation issues for digital reduced-order observer-based controllers with Finite Word Length (FWL) considerations is studied. A tractable FWL stability related measure is derived, and the optimal FWL realization problem for digital reduced-order observer-based controller is to find those realizations that maximize this related measure. This optimization problem is formulated as an unconstrained nonlinear programming problem which can be solved using the simplex search algorithm. A numerical example is given to illustrate the design procedure and the effectiveness of the proposed method.
41-48
Wu, J.
5a0119e5-a760-4ff5-90b9-ec69926ce501
Chen, S.
9310a111-f79a-48b8-98c7-383ca93cbb80
Li, G.
f0f77e84-2dca-4e91-854e-156d36434431
Chu, J.
08744087-3532-4f12-9d8a-5c8e5d79be0e
Wu, J.
5a0119e5-a760-4ff5-90b9-ec69926ce501
Chen, S.
9310a111-f79a-48b8-98c7-383ca93cbb80
Li, G.
f0f77e84-2dca-4e91-854e-156d36434431
Chu, J.
08744087-3532-4f12-9d8a-5c8e5d79be0e

Wu, J., Chen, S., Li, G. and Chu, J. (2001) Finite word length implementation for digital reduced order observer based controllers. Developments in Chemical Engineering and Mineral Processing, 9 (1/2), 41-48.

Record type: Article

Abstract

Implementation issues for digital reduced-order observer-based controllers with Finite Word Length (FWL) considerations is studied. A tractable FWL stability related measure is derived, and the optimal FWL realization problem for digital reduced-order observer-based controller is to find those realizations that maximize this related measure. This optimization problem is formulated as an unconstrained nonlinear programming problem which can be solved using the simplex search algorithm. A numerical example is given to illustrate the design procedure and the effectiveness of the proposed method.

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More information

Published date: January 2001
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 251152
URI: http://eprints.soton.ac.uk/id/eprint/251152
PURE UUID: 2497e6c5-434a-4bee-897a-90c3422203d5

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Date deposited: 02 Jan 2001
Last modified: 24 Jan 2022 18:00

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Contributors

Author: J. Wu
Author: S. Chen
Author: G. Li
Author: J. Chu

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