Articles with "variable time" as a keyword



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Stability of nonlinear variable-time impulsive differential systems with delayed impulses

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Published in 2021 at "Nonlinear Analysis: Hybrid Systems"

DOI: 10.1016/j.nahs.2020.100970

Abstract: Abstract This paper investigates the stability of nonlinear variable-time impulsive differential systems with delayed impulses. By using the comparison principle, the Lyapunov method and inequality techniques, some sufficient conditions for quasi-uniformly asymptotic stability and quasi-exponential… read more here.

Keywords: differential systems; impulsive differential; time impulsive; variable time ... See more keywords
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An effective simultaneous approach with variable time nodes for dynamic optimization problems

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Published in 2017 at "Engineering Optimization"

DOI: 10.1080/0305215x.2016.1270276

Abstract: ABSTRACT An effective simultaneous approach with variable time nodes is proposed to solve the dynamic optimization problems with multiple control components, where the variable time nodes for each control component are considered as parameters directly… read more here.

Keywords: dynamic optimization; variable time; optimization; optimization problems ... See more keywords
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Comparison principle for difference equations with variable-time impulses

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Published in 2018 at "Modern Physics Letters B"

DOI: 10.1142/s0217984918500136

Abstract: In this paper, a class of difference equations with variable-time impulses is considered. By applying comparison principle, we shall show that difference equations with variable-time impulse can be reduced to the corresponding difference equations with… read more here.

Keywords: difference equations; time impulses; equations variable; variable time ... See more keywords
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Using the Fourier Methods for Cycle Counting of Bimodal Stress Histories with Variable in Time Amplitudes of Components

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Published in 2022 at "Materials"

DOI: 10.3390/ma16010254

Abstract: The application of the Fourier methods to perform cycle identification and description for different cases of bimodal stress histories are presented and discussed in the paper. The direct spectral method and the modified direct spectral… read more here.

Keywords: time; cycle; variable time; bimodal stress ... See more keywords