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Linear Controller Design for Chance Constrained Systems

Author(s):

G. Schildbach, P.J. Goulart, M. Morari
Conference/Journal:

Automatica, vol. 51, no. 1, pp. 278-284
Abstract:

This paper is concerned with the design of a linear control law for a linear system with stationary additive disturbances. The objective is to find a state feedback gain that minimizes a quadratic stage cost function, while observing chance constraints on the input and/or the state. Unlike most of the previous literature, the chance constraints (and the stage cost) are not considered on each input/state of the transient response. Instead, they refer to the input/state of the closed-loop system in its stationary mode of operation. Hence the control is optimized for the long-run, rather than for finite-horizon operation. The controller synthesis problem can be cast as a convex semi-definite program (SDP). The chance constraints appear as linear matrix inequalities. Both single chance constraints (SCCs) and joint chance constraints (JCCs) on the input and/or the state can be included. If the disturbance is Gaussian, this information can be used to improve the controller design. The presented approach can also be extended to the case of output feedback. The entire design procedure is flexible and easy to implement, as demonstrated on a short illustrative example.

Year:

2015
Type of Publication:

(01)Article
Supervisor:



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% Autogenerated BibTeX entry
@Article { SchGou:2015:IFA_5051,
    author={G. Schildbach and P.J. Goulart and M. Morari},
    title={{Linear Controller Design for Chance Constrained Systems}},
    journal={Automatica},
    year={2015},
    volume={51},
    number={1},
    pages={278--284},
    month=jan,
    url={http://control.ee.ethz.ch/index.cgi?page=publications;action=details;id=5051}
}
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