Results 11 to 20 of about 38,432 (265)

Pointwise completeness and pointwise degeneracy of fractional standard and descriptor linear continuous-time systems with different fractional orders

open access: yesInternational Journal of Applied Mathematics and Computer Science, 2020
Descriptor and standard linear continuous-time systems with different fractional orders are investigated. Descriptor systems are analyzed making use of the Drazin matrix inverse.
Kaczorek Tadeusz, Sajewski Łukasz
doaj   +1 more source

H and Passive Fuzzy Control for Non-Linear Descriptor Systems with Time-Varying Delay and Sensor Faults

open access: yesMathematics, 2021
In this paper, the problem of reliable control design with mixed H∞ /passive performance is discussed for a class of Takagi–Sugeno TS fuzzy descriptor systems with time-varying delay, sensor failure, and randomly occurred non-linearity.
Houssem Jerbi   +5 more
doaj   +1 more source

Robust Controllability of Non-Stationary Differential-Algebraic Equations [PDF]

open access: yesИзвестия Иркутского государственного университета: Серия "Математика", 2018
We consider linear time-varying system of first order ordinary differential equations with identically degenerate matrix of the derivative of the unknown function. Such systems are called differential-algebraic equations (DAE).
P.S. Petrenko
doaj   +1 more source

Qualitative sign stability of linear time invariant descriptor systems

open access: yesActa Polytechnica, 2023
This article discusses assessing the instability of a continuous linear homogeneous timeinvariant descriptor system. Some necessary conditions and sufficient conditions are derived to establish the stability of a matrix pair by the fundamentals of ...
Madhusmita Chand   +2 more
doaj   +1 more source

l₂–l Control for Discrete-Time Descriptor Systems

open access: yesIEEE Access, 2021
The problem of $l_{2} - l_\infty $ controller design for a class of discrete-time descriptor systems is addressed in this paper. In other words, the controller is designed to ensure the admissibility and the prescribed $l_{2} - l_\infty $ performance
Xiao-Heng Chang, Jian Wang
doaj   +1 more source

Design of regular positive and stable descriptor systems via state-feedbacks for descriptor continuous-time linear systems with singular pencils

open access: yesArchives of Control Sciences, 2014
A new method is proposed of design of regular positive and asymptotically stable descriptor systems by the use of state-feedbacks for descriptor continuous-time linear systems with singular pencils.
Kaczorek Tadeusz
doaj   +1 more source

A Pure First Order Representation for Undamped Second Order Descriptor Systems [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 2011
The aim of this paper is to analyze the undamped second order descriptor systems to show the possibility of transform an undamped second order descriptor system to a pure first order descriptor system ,on different ways, while stating some of its ...
A. Aasaraai
doaj  

Positivity of Fractional Descriptor Linear Discrete–Time Systems

open access: yesInternational Journal of Applied Mathematics and Computer Science, 2019
The positivity of fractional descriptor linear discrete-time systems is investigated. The solution to the state equation of the systems is derived. Necessary and sufficient conditions for the positivity of fractional descriptor linear discrete-time ...
Kaczorek Tadeusz
doaj   +1 more source

Reconfigurable Controller Design in Descriptor Systems Obtained from Second Order Dynamic Systems via State Feedback Eigenstructure Assignment

open access: yesInternational Journal of Advanced Robotic Systems, 2012
this paper proposes a new method for designing a reconfigurable controller for descriptor systems which is obtained from the second order dynamics of a robot control situation.
Amir Parviz Valadbeygi   +1 more
doaj   +1 more source

Positive Descriptor Time-varying Discrete-time Linear Systems and Their Asymptotic Stability [PDF]

open access: yesTransNav, 2015
The positivity and asymptotic stability of the descriptor time-varying discrete-time linear systems are addressed. The Weierstrass-Kronecker theorem on the decomposition of the regular pencil is extended to the time-varying discrete-time descriptor ...
Tadeusz Kaczorek
doaj   +1 more source

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