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EN
This paper presents a study of maximum-accuracy and maximumspeed structurally stable control strategy achieved by application of nonunique right σ-inverse into the perfect control law. The energy-based issue of the control inputs is touched.
PL
Celem artykułu jest przedstawienie opracowanej metody poprawy precyzji algorytmów wyznaczających gramiany sterowalności i obserwowalności ciągłych stacjonarnych układów liniowych. W artykule porównano jakość opracowanych algorytmów dla metod: Bartels-Stewarta, Smitha, ADI oraz funkcji znaku.
EN
The article presents the developed methods to improve the precision of algorithms for designating the controllability and observability gramians of LTI systems. The article compares the quality of the developed algorithms for the methods: Bartels-Stewart, Smith, ADI and Sign Function.
EN
The paper presents a method to determine a Lyapunov functional for a linear time-invariant system with an interval time-varying delay. The functional is constructed for the system with a time-varying delay with a given time derivative, which is calculated on the system trajectory. The presented method gives analytical formulas for the coefficients of the Lyapunov functional.
EN
The paper presents a method of determining the Lyapunov quadratic functional for linear tirne-invariant system with both lumped and distributed delay. The Lyapunov functional is constructed for its given time derivative, which is calculated on the trajectory of the system with both lumped and distributed delay. The method presented gives analytical formulas for the coefficients of the Lyapunov functional.
5
Content available remote Lyapunov functional for a system with k-non-commensurate neutral time delays
EN
The paper presents a method of determining the Lyapunov quadratic functional for linear time-invariant system with k-non-commensurate neutral type time delays. The Lyapunov functional is constructed for its given time derivative, which is calculated on the trajectory of the system with k-non-commensurate neutral type time delays. The presented method gives analytical formulas for the coefficients of the Lyapunov functional.
6
Content available remote Lyapunov functional for a linear system with two delays
EN
The paper presents a method of determining the Lyapunov functional for linear time-invariant LTI system with two lumped delays.
EN
The paper presents a method of determining of the Lyapunov quadratic functional for linear time-invariant system with two delays both retarded and neutral type. The Lyapunov functional is constructed for a given its time derivative which is calculated on the trajectory of the system with two delays both retarded and neutral type. The presented method gives analytical formulas for the coefficients of the Lyapunov functional.
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