Results 31 to 40 of about 857,752 (305)
Vision-Based Measurement of Two-Dimensional Positioning Errors of Machine Tools
Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2011 This paper presents vision-based measurement of two-dimensional positioning errors of machine tools. A pre-calibrated grid plate is used as an artefact. The position of a grid point is measured in an image captured by a charge coupled device (CCD) camera
Soichi IBARAKI, Yusuke TANIZAWA
doaj +1 more source
Automatic Calibration of a Two-Axis Rotary Table for 3D Scanning Purposes [PDF]
Sensors, 2020 Rotary tables are often used to speed up the acquisition time during the 3D scanning of complex geometries. In order to avoid manual registration of the point clouds acquired with different orientations, automatic algorithms to compensate the rotation were developed.
Livio Bisogni +4 more
openaire +5 more sources
Design and analysis strategies for robust microbiome ageing research
FEBS Letters, EarlyView.The gut microbiome changes with age and associates with age‐related morbidity and mortality, establishing it as a potential biomarker and intervention target for ageing. Realising this potential requires methodological rigour, yet distinguishing biological signals from methodological artefacts remains challenging across cohorts. This review provides an
Mark Olenik +5 more
wiley +1 more source
Advances in Mechanical Engineering, 2022 In the machining of a five-axis machine tool with a double turntable, the dynamic characteristics of the machine tool are affected by different spatial positions of workpieces.
Shi Wu +4 more
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Investigating transcription factor dynamics in health and disease using FRAP
FEBS Letters, EarlyView.FRAP analysis of GFP‐tagged transcription factors reveals how molecular mobility and target engagement change in response to drug treatment. By combining live‐cell imaging, quantitative model fitting, and statistical analysis, this approach uncovers transcription factor dynamics linked to disease mechanisms, providing a powerful framework for ...
Kannan Govindaraj +3 more
wiley +1 more source
Optimization of the setup position of a workpiece for five-axis machining to reduce machining time
Advances in Mechanical Engineering, 2020 Five-axis machining is commonly used for complicated features due to its advantage of rotary movement. However, the rotary movement introduces nonlinear terms in the kinematic transform.
Ching-chih Wei, Wei-chen Lee
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Development of an educational 3-axis CNC machine tool for rapid prototyping with two translational and one rotary axis [PDF]
Tehnika, 2020 The paper shows the development of a 3-axis CNC machine tool for rapid prototyping by subtracting materials, with two translational and one rotating axis, whose control is based on the LinuxCNC system, with an integrated virtual machine as a digital twin.
Vorkapić Nikola M. +2 more
doaj +1 more source
Microbiome‐blood–brain barrier interactions in aging — mechanisms and therapeutic potential
FEBS Letters, EarlyView.Aging reshapes the gut microbiome (↓SCFA‐producing commensals; ↑pro‐inflammatory outputs), shifting circulating metabolites (↓SCFAs; ↑LPS, ↑TMAO, ↑PAA) that act at the BBB to increase nonspecific transcytosis, alter transport, and promote astrocyte reactivity, heightening brain vulnerability.
Daniel Cuervo‐Zanatta +3 more
wiley +1 more source
FEATURES OF USING TWO-AXIS ROTARY TABLES AND A SIX-AXIS MANIPULATOR IN ADDITIVE MANUFACTURING
IZVESTIA VOLGOGRAD STATE TECHNICAL UNIVERSITY, 2023 The features of using a two-axis rotary table and a six-axis industrial robot to increase the efficiency of additive manufacturing are considered. Methods and algorithms of joint control of devices are proposed. Synchronization of the industrial robot control system with third-party devices for two-way transmission of information without time delay is ...
A.M. MAKAROV +3 more
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Liver organoids: modelling complexity in homeostasis and disease
FEBS Letters, EarlyView.Studying liver in vitro has been challenging because simple 2D cell cultures fail to capture liver's cellular and architectural complexity. To bridge this gap, scientists increasingly use organoids, 3D liver models which better mimic liver composition and function. This review examines recent advances in liver organoid complexity and realism, discusses
Anna M. Dowbaj, Meritxell Huch
wiley +1 more source