Brief A controller perturbation technique for transferring closed-loop stability between systems

  • Authors:

  • S. Mijanovic;G. E. Stewart;G. A. Dumont;M. S. Davies

  • Affiliations:

  • Department of Electrical and Computer Engineering, University of British Columbia, 2356 Main Mall, Vancouver, BC, Canada V6T 1Z4 and Honeywell Industry Solutions, 500 Brooksbank Avenue, North Vanc ...;Honeywell Industry Solutions, 500 Brooksbank Avenue, North Vancouver, BC, Canada V7J 3S4;Department of Electrical and Computer Engineering, University of British Columbia, 2356 Main Mall, Vancouver, BC, Canada V6T 1Z4;Department of Electrical and Computer Engineering, University of British Columbia, 2356 Main Mall, Vancouver, BC, Canada V6T 1Z4

  • Venue:
  • Automatica (Journal of IFAC)
  • Year:
  • 2003

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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.