Articles with "interval time" as a keyword



Robust stability and H∞ control for nonlinear discrete‐time switched systems with interval time‐varying delay

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Published in 2019 at "Mathematical Methods in the Applied Sciences"

DOI: 10.1002/mma.5493

Abstract: This paper considers the problems of the robust stability analysis and H∞ controller synthesis for uncertain discrete‐time switched systems with interval time‐varying delay and nonlinear disturbances. Based on the system transformation and by introducing a… read more here.

Keywords: time; switched systems; interval time; systems interval ... See more keywords

Effect of tamping interval on consolidation of dredged slurry using vacuum preloading combined with dynamic consolidation

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Published in 2020 at "Acta Geotechnica"

DOI: 10.1007/s11440-020-01082-9

Abstract: The effect of combining vacuum preloading and low-energy dynamic consolidation is predominantly controlled by the tamping interval time. It is, therefore, imperative to identify a suitable parameter and optimise the tamping interval time. In this… read more here.

Keywords: water; tamping interval; consolidation; effect ... See more keywords

Novel gridded descriptors of poincaré plot for analyzing heartbeat interval time-series

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Published in 2019 at "Computers in biology and medicine"

DOI: 10.1016/j.compbiomed.2019.04.015

Abstract: A Poincaré plot is a return map that geometrically elucidates the progression of a time-series. It has frequently been used in heart rate variability analyses. However, algorithms for dedicatedly dissecting the shape of this geometrical… read more here.

Keywords: plot; interval time; poincar plot; time series ... See more keywords

Two novel stability criteria for linear systems with interval time-varying delays

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Published in 2022 at "International Journal of Systems Science"

DOI: 10.1080/00207721.2022.2103200

Abstract: This paper analyses the stability problem of linear systems with interval time-varying delay. In regard to the delay, it has the lower and upper bounds and its derivative is unknown or itself is not differentiable.… read more here.

Keywords: systems interval; time; interval time; stability ... See more keywords

Spatio-temporal hierarchical clustering of interval time series with application to suicide rates in Europe

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Published in 2024 at "Statistical Modelling"

DOI: 10.1177/1471082x241299250

Abstract: In this paper, we investigate similarities of suicide rates in Europe, which are available as interval time series. For this aim, a novel spatio-temporal hierarchical clustering algorithm for interval time-series data is proposed. The spatial… read more here.

Keywords: interval time; time series; suicide rates; rates europe ... See more keywords

Comprehensive analysis of strabismus reoperations: clinical insights and progression factors

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Published in 2024 at "BMC Ophthalmology"

DOI: 10.1186/s12886-024-03712-2

Abstract: To compare and analyze clinical characteristics of patients undergoing two surgeries and multiple surgeries and explore relevant factors to lay the foundation for clinical prediction. A retrospective analysis was conducted on clinical data from all… read more here.

Keywords: interval time; time; strabismus; analysis ... See more keywords

Experimental research on microstructure characteristics and mechanical performance of interfaces between concrete layers

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Published in 2025 at "Frontiers in Materials"

DOI: 10.3389/fmats.2025.1576065

Abstract: In this study, the effects of the interval time between successive layers on the microstructures and macro performances of overlay transition zones (OTZs) in conventional concrete and roller-compacted concrete (RCC) are investigated. First, the fluorescent… read more here.

Keywords: interval time; experimental research; research microstructure; effects interval ... See more keywords

Monitoring Betaine Using Interval Time Between Events Control Chart

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Published in 2022 at "Frontiers in Nutrition"

DOI: 10.3389/fnut.2022.859637

Abstract: A generalization of moving average (MA) control chart for the exponential distribution under classical statistics is presented in this article. The designing of the MA control chart for the exponential distribution under neutrosophic statistics is… read more here.

Keywords: monitoring betaine; betaine using; betaine; interval time ... See more keywords

A randomized sequential allocation study on the optimum programmed intermittent epidural boluses interval time with different concentrations of ropivacaine combined with the dural puncture epidural technique for labor analgesia

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Published in 2025 at "Frontiers in Pharmacology"

DOI: 10.3389/fphar.2024.1508514

Abstract: Background The combined technique of programmed intermittent epidural boluses (PIEB) and dural puncture epidural (DPE) is currently considered a more effective mode for labor analgesia. We investigated the optimal interval time for PIEB administration with… read more here.

Keywords: interval time; labor; labor analgesia; concentrations ropivacaine ... See more keywords

The Optimum Interval Time of Layered Cement Composites with the Incorporation of Edge-Oxidized Graphene Oxide

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Published in 2024 at "Buildings"

DOI: 10.3390/buildings14082307

Abstract: The current research focuses on the effect of incorporating edge-oxidized graphene oxide (EOGO) on the performance of layered cement composites cast at different times. The feature of producing flower-shaped hydrated cement products is exploited to… read more here.

Keywords: interval time; layered cement; cement composites; cement ... See more keywords