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A controller perturbation technique for transferring closed-loop stability between systems |
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| Authors: | S. Mijanovic [Author Vitae] G.E. Stewart [Author Vitae] |
| Affiliation: | a Department of Electrical and Computer Engineering, University of British Columbia, 2356 Main Mall, Vancouver, BC, Canada V6T 1Z4 b Honeywell Industry Solutions, 500 Brooksbank Avenue, North Vancouver, BC, Canada V7J 3S4 |
| Abstract: | This brief paper presents a perturbation technique with which a controller stabilizing one plant may be modified so that it stabilizes a second, related plant. The proposed technique produces an internally stable loop for a broad class of linear systems without requiring any further calculations on the part of the designer. Four seemingly different examples are described in terms of this result. |
| Keywords: | Internal stability Perturbation techniques Linear systems Multivariable systems Youla-Kucera parametrizations Smith predictor |
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