ADAPTIVE CONTROL OF LINEAR SYSTEMS WITH UNKNOWN SIGN OF HIGHFREQUENCY GAIN
Institute of Problems of Mechanical Engineering, Russian Academy of Sciences, Saint Petersburg, 199178, Russian Federation; ITMO University, Saint Petersburg, 197101, Russian Federation; Leading scientific researcher professor
A. M. Tsykunov
Astrakhan State Technical University, Department of Mathematics in Engineering Education; Professor
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Abstract. The problem of adaptive optimization of linear systems under parametric and functional uncertainty, and lack of information on the sign of high-frequency gain is considered. A solution to the problem is obtained on the base of modified adaptation algorithm of a high order with the use of a function allowing for compensation of the sign uncertainty. Results of numerical modeling are presented.
Keywords:
adaptive control, modified algorithm of adaptation of the high order, high-frequency gain, observer.
