Article
Article
Optimal control (linear systems)
Article By:
Lewis, Frank L. School of Electrical Engineering, Georgia Institute of Technology, Atlanta, Georgia.
Last reviewed:January 2020
DOI:https://doi.org/10.1036/1097-8542.473800
A branch of modern control theory that deals with designing controls for linear systems by minimizing a performance index that depends on the system variables. Under some mild assumptions, making the performance index small also guarantees that the system variables will be small, thus ensuring closed-loop stability. See also: Control system stability
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