Articles with "constraint" as a keyword



Revealing the Substrate Constraint Effect on the Thermodynamic Behaviour of the Pd–H through Capacitive‐Based Hydrogen‐Sorption Measurement

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Published in 2024 at "Advanced Materials"

DOI: 10.1002/adma.202310333

Abstract: Mechanical constraints imposed on the Pd–H system can induce significant strain upon hydrogenation‐induced expansion, potentially leading to changes in the thermodynamic behavior, such as the phase‐transition pressure. However, the investigation of the constraint effect is… read more here.

Keywords: constraint effect; capacitive based; constraint; substrate constraint ... See more keywords

Closure constraint in multivariate curve resolution

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Published in 2018 at "Journal of Chemometrics"

DOI: 10.1002/cem.2975

Abstract: Multivariate curve resolution techniques try to estimate physically and/or chemically meaningful profiles underlying a set of chemical or related measurements. However, the estimation of profiles is not generally unique and it is often complicated by… read more here.

Keywords: closure constraint; curve resolution; constraint;

Permutation Tests to Identify Significant Constraint or Promotion Within Biological Scatterplots

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Published in 2024 at "Ecology and Evolution"

DOI: 10.1002/ece3.70584

Abstract: ABSTRACT Scatterplots of biological datasets often have no‐data zones, which suggest constraint or promotion of dependent variables. Although methods exist to estimate boundary lines—that is, to fit lines to the edges of scatters of data… read more here.

Keywords: constraint; permutation tests; constraint promotion; data zones ... See more keywords

Optimal control problem with nonlinear fractional system constraint applied to image restoration

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Published in 2024 at "Mathematical Methods in the Applied Sciences"

DOI: 10.1002/mma.9998

Abstract: This study aims to investigate a novel nonlinear optimization problem that incorporate a partial differential equation (PDE) constraint for image denoising in the context of mixed noise removal. Based on H−s$$ {H}^{-s} $$ ‐norm and… read more here.

Keywords: system; problem; constraint; image ... See more keywords

Stochastic generation of precipitation fraction at high resolution with a multiscale constraint from satellite observations

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Published in 2018 at "Quarterly Journal of the Royal Meteorological Society"

DOI: 10.1002/qj.3314

Abstract: In this work, we propose a method to generate an ensemble of equiprobable fields of rain occurrence at high resolution (1 degrees/16 and 30 min) using a satellite observational constraint. Satellite observations are used to… read more here.

Keywords: high resolution; satellite observations; precipitation; precipitation fraction ... See more keywords

Development and impact of weak‐constraint 4DVar with model bias consideration in the CMA‐GFS

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Published in 2025 at "Quarterly Journal of the Royal Meteorological Society"

DOI: 10.1002/qj.70059

Abstract: The standard strong‐constraint four‐dimensional variational data assimilation (SC‐4DVar) approach was designed to correct random, zero‐mean errors in both model forecasts and observations in the China Meteorological Administration Global Forecast System (CMA‐GFS). However, global numerical weather… read more here.

Keywords: constraint; cma gfs; weak constraint; model ... See more keywords

Constraint‐Driven Multilane Merging Control for Underactuated Connected and Automated Vehicle System With Mismatched Uncertainty

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Published in 2024 at "International Journal of Robust and Nonlinear Control"

DOI: 10.1002/rnc.7700

Abstract: This article investigates the merging control for underactuated connected and automated vehicle (CAV) systems with mismatched uncertainty. The objective is to guarantee the safe and prescribed dynamic performance of the system during multilane merging. For… read more here.

Keywords: system; vehicle; control; constraint ... See more keywords
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The Inductive Constraint Programming Loop

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Published in 2017 at "IEEE Intelligent Systems"

DOI: 10.1007/978-3-319-50137-6_12

Abstract: Constraint programming is used for a variety of real-world optimization problems, such as planning, scheduling, and resource allocation problems, all while we continuously gather vast amounts of data about these problems. Current constraint programming software… read more here.

Keywords: programming loop; constraint programming; inductive constraint; constraint ... See more keywords

A New Axial Constraint with Variable Angle for the Inversion of Gravity Data

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Published in 2020 at "Pure and Applied Geophysics"

DOI: 10.1007/s00024-020-02443-x

Abstract: The axial constraint is an important constraint for the inversion of gravity data with which the dip information of the target geological bodies can be incorporated effectively. However, poor selection of the dip angles would… read more here.

Keywords: inversion gravity; axial constraint; gravity data; constraint ... See more keywords

Constraint aggregation for large number of constraints in wing surrogate-based optimization

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Published in 2019 at "Structural and Multidisciplinary Optimization"

DOI: 10.1007/s00158-018-2074-4

Abstract: The method of aggregating a large number of constraints into one or few constraints has been successfully applied to wing structural design using gradient-based local optimization. However, numerical difficulties may occur in the case that… read more here.

Keywords: constraint aggregation; surrogate; large number; optimization ... See more keywords

Provably Physical-Constraint-Preserving Discontinuous Galerkin Methods for Multidimensional Relativistic MHD Equations

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Published in 2021 at "Numerische Mathematik"

DOI: 10.1007/s00211-021-01209-4

Abstract: We propose and analyze a class of robust, uniformly high-order accurate discontinuous Galerkin (DG) schemes for multidimensional relativistic magnetohydrodynamics (RMHD) on general meshes. A distinct feature of the schemes is their physical-constraint-preserving (PCP) property, i.e.,… read more here.

Keywords: physical constraint; multidimensional relativistic; discontinuous galerkin; constraint ... See more keywords