Results 21 to 30 of about 363,653 (297)

Design, implementation, and testing of advanced virtual coordinate-measuring machines [PDF]

, 2012
Copyright @ 2011 IEEE. This article has been made available through the Brunel Open Access Publishing Fund.Advanced virtual coordinate-measuring machines (CMMs) (AVCMMs) have recently been developed at Brunel University, which provide vivid graphical ...
Hu, Y, Sun, X, Yang, Q
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A Fourier Series-Neural Network Based Real-Time Compensation Approach for Geometric and Thermal Errors of CNC Milling Machines

Advances in Mechanical Engineering, 2013
In order to improve the accuracy and efficiency of the real-time error compensation, a Fourier Series-Neural Network (FS-NN) based compensation methodology is developed to reduce the thermally induced geometric errors of CNC milling machines under ...
Wei Wang, Yi Zhang, Kaiguo Fan, Jianguo Yang   +3 more
doaj   +1 more source

A Comparative Study on Kinematic Calibration for a 3-DOF Parallel Manipulator Using the Complete-Minimal, Inverse-Kinematic and Geometric-Constraint Error Models

Chinese Journal of Mechanical Engineering, 2023
Kinematic calibration is a reliable way to improve the accuracy of parallel manipulators, while the error model dramatically affects the accuracy, reliability, and stability of identification results.
Haiyu Wu, Lingyu Kong, Qinchuan Li, Hao Wang, Genliang Chen   +4 more
doaj   +1 more source

Predictive haemodynamics in a one-dimensional human carotid artery bifurcation. Part II: application to graft design [PDF]

, 2008
A Bayesian surrogate modelling technique is proposed that may be able to predict an optimal bypass graft configuration for patients suffering with stenosis in the internal carotid artery (ICA). At the outset, this statistical technique is considered as a
Bressloff, N. W., Kolachalama, V. B., Nair, P. B., Shearman, C. P.   +3 more
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Geometrical custom modeling of human cornea in vivo and its use for the diagnosis of corneal ectasia. [PDF]

PLoS ONE, 2014
AIM: To establish a new procedure for 3D geometric reconstruction of the human cornea to obtain a solid model that represents a personalized and in vivo morphology of both the anterior and posterior corneal surfaces.
Francisco Cavas-Martínez, Daniel G Fernández-Pacheco, Ernesto De la Cruz-Sánchez, José Nieto Martínez, Francisco J Fernández Cañavate, Alfredo Vega-Estrada, Ana B Plaza-Puche, Jorge L Alió   +7 more
doaj   +1 more source

Fitting of Analytic Surfaces to Noisy Point Clouds [PDF]

, 2013
Fitting -continuous or superior surfaces to a set of points sampled on a 2-manifold is central to reverse engi- neering, computer aided geometric modeling, entertaining, modeling of art heritage, etc -- This article addresses the fit- ting of analytic ...
Acosta, Diego, Arroyave, Santiago, Ruíz, Óscar   +2 more
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Stable Mesh Decimation

, 2009
Current mesh reduction techniques, while numerous, all primarily reduce mesh size by successive element deletion (e.g. edge collapses) with the goal of geometric and topological feature preservation.
Bajaj, Chandrajit, Gillette, Andrew, Zhang, Qin   +2 more
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Randomized hybrid linear modeling by local best-fit flats

, 2010
The hybrid linear modeling problem is to identify a set of d-dimensional affine sets in a D-dimensional Euclidean space. It arises, for example, in object tracking and structure from motion.
Lerman, Gilad, Szlam, Arthur, Wang, Yi, Zhang, Teng   +3 more
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A Modified Trajectory Error Modeling Method Integrating Moving Object Velocity and Trajectory Geometry

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Trajectory error modeling plays a significant role in the effective application of trajectory data in various fields. Classical trajectory error modeling methods construct the trajectory error band based on the velocity of a moving object or the ...
Yanmin Jin, Zhixian Luo, Xinyi Zheng, Xiaohua Tong, Yongjiu Feng, Huan Xie, Xiong Xu   +6 more
doaj   +1 more source

Procedural function-based modelling of volumetric microstructures [PDF]

, 2011
We propose a new approach to modelling heterogeneous objects containing internal volumetric structures with size of details orders of magnitude smaller than the overall size of the object.
Alexander Pasko, Chen, Chow, Corana, Gardner, Gervasi, Hanna, Holdstein, Kartasheva, Kirkpatrick, Kou, Lal, Levenberg, Marquardt, Metropolis, Naing, Oleg Fryazinov, Parulek, Pasko, Pasko, Pierre-Alain Fayolle, Schroeder, Shapiro, Stolte, Sun, Turlif Vilbrandt, Valery Adzhiev, Vergés, Vilbrandt, Wang   +29 more
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