Results 1 to 10 of about 182,331 (160)

A study on tolerance design of machine tool components based on shape generation motions

open access: bronzeNihon Kikai Gakkai ronbunshu, 2016
The kinematic motion deviations of the five-axis machining centers are deeply influenced by the geometric deviations of the components, such as guide-ways and bearings.
Ryo TAKEMATSU   +5 more
doaj   +4 more sources

A study on tolerance design of machine tool components based on shape generation motions (Theoretical analysis considering rotational table positions)

open access: goldNihon Kikai Gakkai ronbunshu, 2017
The kinematic motion deviations of the five-axis machining centers are deeply influenced by the geometric deviations of the components, such as guide-ways and bearings.
Naoki SATONAKA   +4 more
doaj   +3 more sources

Motion Generation by Learning Relationship between Object Shapes and Human Motions [PDF]

open access: bronzeProceedings of International Conference on Artificial Life and Robotics, 2021
Tokuo Tsuji   +7 more
openalex   +2 more sources

A Selective Expression Manipulation With Parametric 3D Facial Model

open access: yesIEEE Access, 2023
This paper proposes a novel method to represent expressive 3D facial shapes called the Selective Expression Manipulation (SEM) by fitting the expression coefficients of delta-blendshapes, which is the standard parametric facial model widely used in ...
Jiwoo Kang   +3 more
doaj   +1 more source

Numerical Modeling of Interactions between Solitary Waves and Floating Breakwaters [PDF]

open access: yesJournal of Applied Fluid Mechanics, 2022
In the current numerical work, a 2D wave tank has been planned to explain the shared impacts among three different solitary waves and three different floating breakwaters by applying Reynolds-Averaged Navier-Stokes models and the volume of fluid method ...
M. Tabatabaei Malazi   +2 more
doaj   +1 more source

Common kinematic synergies of various human locomotor behaviours

open access: yesRoyal Society Open Science, 2021
Humans show a variety of locomotor behaviours in daily living, varying in locomotor modes and interaction styles with the external environment. However, how this excellent motor ability is formed, whether there are some invariants underlying various ...
Bo Huang   +5 more
doaj   +1 more source

Generalizing demonstrated motion trajectories using coordinate-free shape descriptors [PDF]

open access: yesRobotics and Autonomous Systems, 2019
Abstract In learning by demonstration, the generalization of motion trajectories far away from the set of demonstrations is often limited by the dependency of the learned models on arbitrary coordinate references. Trajectory shape descriptors have the potential to remove these dependencies by representing demonstrated trajectories in a coordinate ...
Vochten, Maxim   +2 more
openaire   +2 more sources

TapMo: Shape-aware Motion Generation of Skeleton-free Characters

open access: yes, 2023
Previous motion generation methods are limited to the pre-rigged 3D human model, hindering their applications in the animation of various non-rigged characters. In this work, we present TapMo, a Text-driven Animation Pipeline for synthesizing Motion in a broad spectrum of skeleton-free 3D characters.
Zhang, Jiaxu   +6 more
openaire   +2 more sources

A Study on estimation of three-dimensional tolerances based on simulation of virtual machining in turning processes including kinematic motion deviations

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2015
The geometric dimensioning and tolerancing is one of the most important characteristics of machined parts. A systematic method is proposed in the paper to simulate the shape generation processes in turning operations, to estimate the geometric ...
Wiroj THASANA   +3 more
doaj   +1 more source

Human motion component and envelope characterization via wireless wearable sensors

open access: yesBMC Biomedical Engineering, 2020
Background The characterization of limb biomechanics has broad implications for analyzing and managing motion in aging, sports, and disease. Motion capture videography and on-body wearable sensors are powerful tools for characterizing linear and angular ...
Kaitlyn R. Ammann   +7 more
doaj   +1 more source

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