Results 1 to 10 of about 129,533 (151)
Expanding the PIV Spectral Range and the Turbulence Generated by Grid of Prismatic Circular Cylinders [PDF]
MATEC Web of Conferences, 2022 The grid turbulence past a grid made of row of prismatic circular rods (rod diameter = 10 mm, rod spacing = 20 mm) perpendicular to the flow is observed by using a pair of PIV cameras.
Duda Daniel +2 more
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Frontiers in Energy Research, 2023 The purpose of this paper is to propose an energy management strategy (EMS) based on flatness control method for a standalone hybrid photovoltaic-battery system. The goal of the proposed method is to use non-linear flatness theory to develop an efficient
Salam J. Yaqoob +7 more
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Improving Etched Flatness by Micro Airflow Array Pressurization in ITO Glass Laser Machining
Micromachines, 2023 In laser etching of ITO glass, the warpage due to workpiece positioning causes breakpoint or deformation of micron-scale etching circuits. Based on traditional laser etching, a micro-airflow array pressurization is proposed by using a micro-flow air ...
Rong Chen, Zhaojie Chen, Jin Xie
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IEEE Access, 2021 It is challenging to measure, analyze, and control the deformation and space attitude of antennas in narrow radomes through geometric measurement to ensure the accuracy of phased array radar application. In this manuscript, a method for rapid measurement
Xiao Guan, Yaming Xu, Cheng Xing
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Applied Sciences, 2021 In this paper we address a decentralized neighbor-based formation tracking control of multiple quadrotors with leader–follower structure. Different from most of the existing work, the formation tracking controller is given in one loop without ...
Zhicheng Hou +4 more
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3D scan contour de-featuring for improved measurement accuracy – a case study for a small turbine guide vane component [PDF]
Bulletin of the Polish Academy of Sciences: Technical Sciences, 2021 3D scanning measurements are gaining popularity every year. Quick inspections on already captured point clouds are easy to prepare with the use of modern software and machine learning.
Marcin Jamontt, Paweł Pyrzanowski
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Solving the Flatness and Quasi-flatness Problems in Brans-Dicke Cosmologies with a Varying Light Speed [PDF]
, 1999 We define the flatness and quasi-flatness problems in cosmological models. We seek solutions to both problems in homogeneous and isotropic Brans-Dicke cosmologies with varying speed of light.
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Reconstruction of small components using photogrammetry: a quantitative analysis of the depth of field influence using a miniature step gauge [PDF]
Metrology and Measurement Systems, 2021 In this work, authors investigated the effect of the Depth of Field (DoF) reduction, arising when the acquisition of small objects is carried out with a photogrammetry-based system using a Digital Single Lens Reflex (DSLR) camera and the structure from ...
Maria Grazia Guerra +3 more
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Dynamical Solutions to the Horizon and Flatness Problems [PDF]
, 1993 We discuss in some detail the requirements on an early-Universe model that solves the horizon and flatness problems during the epoch of classical cosmology ($t\ge t_i\gg 10^{-43}\sec$).
A. A. Starobinskii +23 more
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Applied Sciences, 2017 In order to enhance the practicality of multi-wavelength erbium-doped fiber lasers (MWEDFLs), a novel hybrid dual-ring configuration is proposed in this article, which can flatten the outputs through an optical nonlinear-polarization-rotation-based ring ...
Xudong Zhang, Tieying Li, Jiuru Yang
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