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Convergence of fractional adaptive systems using gradient approach
(Elsevier, 2017)
Conditions for boundedness and convergence of the output error and the parameter error for various Caputo's fractional order adaptive schemes based on the steepest descent method are derived in this paper. To this aim, the ...
Longitudinal gradient coils with enhanced radial uniformity in restricted diameter: Single-current and multiple-current approaches
(Academic Press Inc Elsevier Science, 2017-03)
An important requirement for a gradient coil is that the uniformity of the generated magnetic field gradient should be maximal within the active volume of the coil. For a cylindrical geometry, the radial uniformity of the ...
Landscape disturbance gradients: the importance of the type of scene when evaluating landscape preferences and perceptions
(MDPI, 2020)
Understanding of people's landscape preferences is important for decision-making about land planning, particularly in the disturbance patterns that usually occur in rural-urban gradients. However, the use of different types ...
Modifier adaptation with guaranteed feasibility in the presence of gradient uncertainty
(Pergamon-Elsevier Science Ltd, 2017-01)
In the context of real-time optimization, modifier-adaptation schemes use estimates of the plant gradients to achieve plant optimality despite plant-model mismatch. Plant feasibility is guaranteed upon convergence, but not ...
Reduced gradient method combined with augmented Lagrangian and barrier for the optimal power flow problem
(ELSEVIER SCIENCE INC, 2008)
A new approach for solving the optimal power flow (OPF) problem is established by combining the reduced gradient method and the augmented Lagrangian method with barriers and exploring specific characteristics of the relations ...
Forest cover change analysis based on temporal gradients of the vertical structure and density
(2021-07-01)
Canopy height is an important attribute that allows characterizing the forest vertical structure and analyze changes in vegetation cover over time. The objective of this study is to develop an approach for a spatio-temporal ...
Height-Gradient-Based Method for Occlusion Detection in True Orthophoto Generation
(Ieee-inst Electrical Electronics Engineers Inc, 2015-11-01)
High-quality orthophotos are essential elements in cartographic databases that are required for engineering projects. Urban areas usually have many tall buildings, causing occlusions in aerial images. These occlusions can ...
On the detection of several obstacles in 2d stokes flow: topological sensitivity and combination with shape derivatives
(Amer Inst Mathematical Sciences-AIMS, 2016)
We consider the inverse problem of detecting the location and the
shape of several obstacles immersed in a
uid
owing in a larger bounded
domain
from partial boundary measurements in the two dimensional case.
The ...