Results 21 to 30 of about 57,953 (264)

Kinematic analysis of Bricard’s mechanism [PDF]

Nonlinear Dynamics, 2008
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Arponen, Teijo, Piipponen, Samuli, Tuomela, Jukka   +2 more
openaire   +1 more source

Designing a User-Centered Inspection Device’s Handle for the Aircraft Manufacturing Industry

Applied Sciences, 2023
In aircraft manufacturing settings, workers are frequently exposed to biomechanical risk factors, mainly in the later stages of the production processes, including inspection tasks.
Ana Colim, Débora Pereira, Pedro Lima, André Cardoso, Rui Almeida, Duarte Fernandes, Sacha Mould, Pedro Arezes   +7 more
doaj   +1 more source

The "Akopian" vault performed by elite male gymnasts: Which biomechanical variables are related to a judge's score?

Acta Gymnica, 2015
Background: A vaulting performance takes a short time and it is influenced by and affects the quantity of mechanical variables. The significant relationships between the vaulting score and specific aspects of the gymnast's vault should conduct coaches to
Roman Farana, Jaroslav Uchytil, David Zahradník, Daniel Jandačka   +3 more
doaj   +1 more source

Positive Torque Modulation Method and Key Technology of Conventional Beam Pumping Unit

Energies, 2022
The large fluctuation of net torque and the existence of negative torque on the crank output shaft of the beam pumping unit are the decisive factors leading to its low efficiency and high energy consumption.
Jinchao Xu, Siyuan Meng, Wei Li, Yan Wang   +3 more
doaj   +1 more source

Application of direct and inverse kinematics and dynamics in motion planning of manipulator links

International Journal of Applied Mechanics and Engineering, 2023
For the synthesis of manipulators and robots, an accurate analysis of the movements of the individual links is essential. This thesis deals with motion planning of the effector of a multi-linked manipulator.
Ingrid Delyová, Darina Hroncová, Peter Frankovský, Peter Sivák, Ján Kostka, Vojtech Neumann   +5 more
doaj   +1 more source

Development of a 3D Parallel Mechanism Robot Arm with Three Vertical-Axial Pneumatic Actuators Combined with a Stereo Vision System

Sensors, 2011
This study aimed to develop a novel 3D parallel mechanism robot driven by three vertical-axial pneumatic actuators with a stereo vision system for path tracking control.
Hao-Ting Lin, Mao-Hsiung Chiang
doaj   +1 more source

Study of a Companion Trajectory Kinematics Analysis Method for the Five-Blade Rotor Swing Scraper Pump

Machines
This paper proposes a five-blade rotor swing scraper pump (FRSSP) to overcome traditional volumetric pumps’ drawbacks, such as poor sealing performance, low volumetric efficiency, and complex structure.
Chong Wang, Shigong Zhang, Tiezhu Zhang, Hongxin Zhang, Minghao Li   +4 more
doaj   +1 more source

Low Delay Control Algorithm of Robot Arm for Minimally Invasive Medical Surgery

IEEE Access, 2020
Minimally invasive surgical robots have received more and more attention from medical patients because of their higher surgical accuracy and higher safety than doctors.
Xiumei Tian, Yan Xu
doaj   +1 more source

Kinematics Analysis and Trajectory Planning of 6-DOF Hydraulic Robotic Arm in Driving Side Pile

Machines
Given the difficulty in manually adjusting the position and posture of the pile body during the pile driving process, the improved Denavit-Hartenberg (D-H) parameter method is used to establish the kinematics equation of the mechanical arm, based on the ...
Mingjie Feng, Jianbo Dai, Wenbo Zhou, Haozhi Xu, Zhongbin Wang   +4 more
doaj   +1 more source

Kinematic Analysis on the Serve Technique of Elite Tennis Player Grigor•Dimitrov Based on 3D Virtual Reality Technology

MATEC Web of Conferences, 2016
By using three-dimensional video analysis, we made a kinematic analysis on Grigor Dimitrov’s Serve technique, aiming at finding the kinematic characteristics of his serve technique during various stages.
Du Chuan Jia, Zhou Ji He, Wang Shuai
doaj   +1 more source