DocumentCode :
1187437
Title :
H multiple objective robust controllers for infinite-horizon single measurement single control input problems
Author :
Theodor, Y. ; Shaked, U.
Author_Institution :
Dept. of Electr. Eng. Syst., Tel-Aviv Univ., Israel
Volume :
39
Issue :
10
fYear :
1994
fDate :
10/1/1994 12:00:00 AM
Firstpage :
2130
Lastpage :
2134
Abstract :
A graphical method is introduced that solves the robust infinite horizon H multiple-objective control problem for single measurement, single control input systems. The solution is obtained by describing boundaries on the Nichols chart. Each boundary defines the set of all admissible gain and phase values for the loop transmission at a given frequency. These boundaries are obtained by using the well-known parameterization of all the solutions for a single objective H control problem. The new method links between the theories of H and quantitative feedback theory (QFT). It can be used to design robust H controllers with almost no overdesign, and it provides a convenient solution of H multiple-objective problems that are difficult to solve by the standard four-block setting. It also extends the methods of SISO QFT to deal with a vector of disturbances. The latter may affect the controlled plant through any input coupling matrix and not necessarily through the controller input, or the measurement output
Keywords :
control system synthesis; feedback; optimal control; stability; Nichols chart; admissible gain values; admissible phase values; disturbance vector; input coupling matrix; loop transmission; quantitative feedback theory; robust infinite horizon H multiple-objective control problem; single objective H control problem; single-measurement single-control-input systems; Attenuation; Control systems; Cost function; Feedback; Frequency; Infinite horizon; Merging; Robust control; Silicon compounds; Transfer functions;
fLanguage :
English
Journal_Title :
Automatic Control, IEEE Transactions on
Publisher :
ieee
ISSN :
0018-9286
Type :
jour
DOI :
10.1109/9.328813
Filename :
328813
Link To Document :
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