Image-based point-cloud Hamiltonian dynamic analysis for biomechanical systems

2011 ◽  
Vol 27 (10) ◽  
pp. 1507-1523
Author(s):  
A. I. Nadareyshvili ◽  
K. B. Chandran ◽  
Jia Lu
Keyword(s):  
Dynamic Analysis ◽  
Point Cloud ◽  
Hamiltonian Dynamic

Hamiltonian dynamic analysis of an axially translating beam featuring time-variant velocity

2008 ◽  
Vol 206 (3-4) ◽  
pp. 149-161 ◽  
Author(s):  
L. H. Wang ◽  
Z. D. Hu ◽  
Z. Zhong ◽  
J. W. Ju
Keyword(s):  
Dynamic Analysis ◽  
Hamiltonian Dynamic

scholarly journals STREET TREE INFORMATION EXTRACTION AND DYNAMICS ANALYSIS FROM MOBILE LIDAR POINT CLOUD

2020 ◽  
Vol XLIII-B2-2020 ◽  
pp. 271-277
Author(s):  
Y. Q. Li ◽  
H. Y. Liu ◽  
Y. K. Liu ◽  
S. B. Zhao ◽  
P. P. Li ◽  
...  
Keyword(s):  
Dynamic Analysis ◽  
Point Cloud ◽  
Tree Height ◽  
Point Clouds ◽  
Lidar Data ◽  
Geometrical Parameters ◽  
Dynamics Analysis ◽  
Street Trees ◽  
Tree Model ◽  
Trunk Diameter

Abstract. Street trees are common features and important assets in urban scenes. They are huge in numbers and are constantly changing, thus are difficult to monitor on a regular basis. A method of automatic extraction and dynamic analysis of street trees based on mobile LiDAR data is proposed. First, ground and low objects are filtered from the point clouds. Then, based on a geometric tree model and semantic information, each tree point cloud is extracted, and geometrical parameters such as location, trunk diameter, trunk structure line, tree height, crown width, and crown volume of each tree is obtained. A dynamic analysis combined with the growing characteristics of trees is conducted to compare and analyse the street trees from different epochs, in order to understand whether the trees have grown or been pruned, replanted, or displaced. The proposed algorithm was tested on three epochs of mobile LiDAR data, obtained in 2010, 2016 and 2018, respectively. Experimental results showed that the proposed method was able to accurately detect trees and extract tree parameters for detailed dynamics analysis.

A Proposal of 3D Feature based on Occupancy of Point Cloud in Multi-Scale Shell Region

2016 ◽  
Vol 136 (8) ◽  
pp. 1078-1084
Author(s):  
Shoichi Takei ◽  
Shuichi Akizuki ◽  
Manabu Hashimoto
Keyword(s):  
Point Cloud ◽  
Multi Scale ◽  
Feature Based ◽  
Shell Region

Dynamic Analysis Method for Electromagnetic Artificial Muscle Actuator under PID Control

2011 ◽  
Vol 131 (2) ◽  
pp. 166-170 ◽  
Author(s):  
Yoshihiro Nakata ◽  
Hiroshi Ishiguro ◽  
Katsuhiro Hirata
Keyword(s):  
Dynamic Analysis ◽  
Pid Control ◽  
Artificial Muscle ◽  
Analysis Method

Dynamic Analysis with Stress Recovery for Functionally Graded Materials: Numerical Simulation and Experimental Benchmarking

2014 ◽  
Vol 2 (1) ◽  
pp. 21
Author(s):  
Carlos Alberto Dutra Fraga Filho ◽  
Fernando César Meira Menandro ◽  
Rivânia Hermógenes Paulino de Romero ◽  
Juan Sérgio Romero Saenz
Keyword(s):  
Numerical Simulation ◽  
Dynamic Analysis ◽  
Functionally Graded Materials ◽  
Functionally Graded ◽  
Stress Recovery ◽  
Graded Materials
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