- Title
- Control over signal-to-noise ratio constrained channels: stabilization and performance
- Creator
- Freudenberg, Jim; Braslavsky, Julio H.; Middleton, Rick
- Relation
- CDC-ECC '05: 44th IEEE Conference on Decision and Control, 2005 and European Control Conference 2005. . Proceedings of the 44th IEEE Conference on Decision and Control 2005 and European Control Conference 2005 (Seville, Spain 12-15 December, 2005 ) p. 191-196
- Relation
- http://ieeexplore.ieee.org/iel5/10559/33412/01582153.pdf
- Publisher
- Institute of Electrical and Electronics Engineers (IEEE)
- Resource Type
- conference paper
- Date
- 2005
- Description
- Previous papers have considered the problem of using linear time invariant control to stabilize an unstable plant over a signal-to-noise ratio constrained communication channel, and have shown that this problem reduces to one of minimizing the H2norm of the complementary sensitivity function. Different techniques were used to derive the state and output feedback results, and it is not straightforward to characterize the performance that is achieved when output feedback is used with a nonminimum phase plant. In the present paper, a unified treatment of the state and output feedback cases is obtained by posing the problem as one of LQG optimal control. Doing so allows us both to analyze the achieved performance, in terms of sensitivity reduction, as well as to incorporate performance into the problem statement. When performance is considered, the results have interpretations in terms of Wiener filtering.
- Subject
- linear time invariant control; signal-to-noise ratio constrained channel; H2norm; complementary sensitivity function; nonminimum phase plant; LQG optimal control
- Identifier
- uon:2156
- Identifier
- http://hdl.handle.net/1959.13/28625
- Identifier
- ISBN:0780395670
- Rights
- Copyright © 2005 IEEE. Reprinted from Proceedings of the 44th IEEE Conference on Decision and Control 2005 and European Control Conference 2005, 191-196. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of the University of Newcastle's products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to pubs-permissions@ieee.org. By choosing to view this document, you agree to all provisions of the copyright laws protecting it.
- Language
- eng
- Full Text
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