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SUMMARY:Performance bounds and robust control for constrained systems
DTSTART:20120217T101500
DTSTAMP:20260406T194523Z
UID:8d0abc58316e3514d916ac9c75d1ea1af9ba17eb238106719ffef061
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr. P. Goulart\, Automatic Control Laboratory\, ETHZ\, Zürich
 \, Switzerland.\nThis talk will describe robust control methods and perfor
 mance bounds for uncertain linear systems with constraints.   Computing op
 timal control policies for such systems is generally intractable\, since t
 he optimal controller is a nonlinear feedback law whose construction requi
 res the solution of an infinite dimensional optimization problem.   A trac
 table alternative is to instead parameterize the controller as affine in t
 he uncertainty\, which offers a number of numerical and theoretical benefi
 ts but is suboptimal in general.   However\, it is possible to estimate th
 e degree of sub-optimality incurred by such an approach by similarly param
 eterizing a related dual problem with multipliers also affine in the uncer
 tainty.   This approach can provide a bound on the achievable performance 
 by any controller over a finite or infinite horizon.  Some numerical examp
 les will be presented illustrating these bounds in comparison with recedin
 g horizon implementations of affine controllers.
LOCATION:ME C2 405
STATUS:CONFIRMED
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