Results 1 to 10 of about 1,022,187 (232)

On the controllability of a nonlinear control system

open access: bronzeComputers & Mathematics with Applications, 1984
AbstractThis paper considers the problem of controllability of a class of nonlinear systems. Sufficient conditions are given for a nonlinear system to be locally controllable and globally completely controllable. In the case of a linear time-invariant system, these conditions are also necessary.
Huashu Qin
openalex   +3 more sources

ON THE CONTROLLABILITY OF A NONLINEAR SYSTEM [PDF]

open access: bronzeProceedings of the National Academy of Sciences, 1966
A. V. Balakrishnan
openalex   +4 more sources

A Case Study of Combined Application of Smart Materials in a ‎Thermal Energy Harvester with Vibrating Action [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2021
This paper demonstrates a case study of a combined application of smart materials in a thermal energy harvester with vibrating action. The conceptual design of the harvester is based on a Shape Memory Alloy wire attached to the free end of a ...
Rosen Mitrev   +4 more
doaj   +1 more source

Conditions for Existence of Second-Order and Third-Order Filters for Discrete Systems with Additive Noises

open access: yesMathematics, 2022
The problem of constructing functional optimal observers (filters) for stochastic control systems with additive noises in discrete time are studied in this work.
Mikhail Kamenshchikov
doaj   +1 more source

A New Fractional-Order Map with Infinite Number of Equilibria and Its Encryption Application

open access: yesComplexity, 2022
The study of the chaotic dynamics in fractional-order discrete-time systems has received great attention over the last years. Some efforts have been also devoted to analyze fractional maps with special features.
Ahlem Gasri   +6 more
doaj   +1 more source

Methods of Ensuring Invariance with Respect to External Disturbances: Overview and New Advances

open access: yesMathematics, 2021
In this paper, we carry out a demonstration and comparative analysis of known methods of the synthesis of various control laws ensuring the invariance of the output (controlled) variable with respect to external disturbances under various assumptions ...
Aleksey Antipov   +2 more
doaj   +1 more source

Nonlinear control for temperature and humidity of a 30m3$30 ext{ m}^3$ climate chamber determining VOCs

open access: yesIET Control Theory & Applications, 2023
This paper studies the tracking control problem for a climate chamber control system used for determining volatile organic compounds. A new nonlinear controller, for the first time, is designed for the temperature and humidity control of a 30m3$30 ext{ m}
Yajing Zhao   +6 more
doaj   +1 more source

Funnel control of nonlinear systems [PDF]

open access: yesMathematics of Control, Signals, and Systems, 2021
AbstractTracking of reference signals is addressed in the context of a class of nonlinear controlled systems modelled byr-th-order functional differential equations, encompassinginter aliasystems with unknown “control direction” and dead-zone input effects.
Thomas Berger   +2 more
openaire   +2 more sources

Circuit Implementation of a Modified Chaotic System with Hyperbolic Sine Nonlinearities Using Bi-Color LED

open access: yesTechnologies, 2021
In this paper, a chaotic three dimansional dynamical system is proposed, that is a modification of the system in Volos et al. (2017). The new system has two hyperbolic sine nonlinear terms, as opposed to the original system that only included one, in ...
Christos K. Volos   +5 more
doaj   +1 more source

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