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SUMMARY:On structure preserving H-infinity optimal control - Professor And
 ers Rantzer\, Lund University\, Sweden
DTSTART:20161123T140000Z
DTEND:20161123T150000Z
UID:TALK68889@talks.cam.ac.uk
CONTACT:Tim Hughes
DESCRIPTION:Classical theory for multi-variable control synthesis suffers 
 from a severe lack of scalability. Not only does the computational cost fo
 r derivation of optimal controllers grow rapidly with state dimension\, bu
 t also implementation of the resulting controllers becomes unmanageable in
  large networks due to requirements for communication\, computation and me
 mory. Because of this situation\, considerable research efforts have recen
 tly been devoted to development of scalable and structure preserving metho
 ds for design and implementation of networked control systems. In this lec
 ture\, we will present a class of networked control problems for which dis
 tributed controllers can be proved to achieve the same performance as the 
 best centralized ones. The control objective is stated in terms of frequen
 cy weighted H-infinity norms. This makes it possible to combine disturbanc
 e rejection at low frequencies with robustness to high frequency measureme
 nt noise and model errors. An optimal controller is given\, which is struc
 ture preserving in the sense that it has the same interconnection structur
 e as the plant.\n
LOCATION:Cambridge University Engineering Department\, LR5
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