Design and development of a Schönflies-motion parallel robot with articulated platforms and closed-loop passive limbs

Q Meng, XJ Liu, F Xie - Robotics and Computer-Integrated Manufacturing, 2022 - Elsevier
The Delta-like parallel robot, which contains three open-ended Pa (4S) 1 passive limbs,
plays an important role in high-speed pick-and-place operations. To meet the demand in …

On the dynamics of multi-closed-chain robotic mechanisms

A Zahedi, AM Shafei, M Shamsi - International Journal of Non-Linear …, 2022 - Elsevier
Here, a recursive technique based on the Gibbs–Appell (G–A) and the Newton's impact
formulas for dynamic modeling of multi-closed-loop mechanisms has been presented. Each …

Design, analysis, and experiment of a new parallel manipulator with two rotational and one translational motion

L Xu, W Ye, Q Li - Mechanism and Machine Theory, 2022 - Elsevier
Five-axis hybrid machine tools are important equipment for highly efficient precision
machining of complex workpieces, in which a key part is parallel manipulators (PMs) with …

Kinematics, dynamics, and load distribution analysis of a 4-PPPS redundantly actuated parallel manipulator

Z Liu, R Tao, J Fan, Z Wang, F Jing, M Tan - Mechanism and Machine …, 2022 - Elsevier
In this paper, the kinematics, dynamics, and load distribution algorithm of a 4-PPPS
redundantly actuated parallel manipulator are investigated with the screw theory. For the …

Kinematic calibration of a 4PPa-2PaR parallel mechanism with subchains on limbs

J Luo, S Chen, X Fan, C Xiong, T Zheng… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
The newly developed 4PPa-2PaR parallel mechanism has subchains on its limbs, and the
imperfect assembly process causes the kinematic error. The conventional matrix-based …

Kinematics and dynamics analysis of a six-degree of freedom parallel manipulator

W Wang, N Wang, X Wu - International Journal of Advanced …, 2022 - journals.sagepub.com
Modeling and analysis of inverse kinematics and dynamics for a novel parallel manipulator
are established in this article. The manipulator is a spatial mechanism, which consists of six …

[HTML][HTML] Dynamic modeling method of multibody system of 6-DOF robot based on screw theory

J Cheng, S Bi, C Yuan, Y Cai, Y Yao, L Zhang - Machines, 2022 - mdpi.com
An accurate dynamic model is a prerequisite for realizing precise control of industrial robots.
The dynamics research of multi-degree of freedom (DOF) robots is relatively unexplored and …

[PDF][PDF] 并联机器人逆动力学建模的几何代数方法

徐灵敏, 叶伟, 李秦川 - 机械工程学报, 2022 - qikan.cmes.org
逆动力学建模是并联机器人动力学性能评估和实际控制的基础. 以几何代数为数学工具,
提出并联机器人的解析逆动力学建模通用方法. 根据几何代数的外积性质 …

Kinematics of a Schönflies‐Motion Generator Parallel Manipulator with Moving Configurable Platform

J Gallardo-Alvarado, MA Garcia-Murillo… - Mathematical …, 2022 - Wiley Online Library
In this work, a parallel manipulator equipped with a moving configurable platform able to
perform the Schönflies motion is introduced. The versatility of the robot is such that it is …

The adaptive neural network fuzzy sliding mode control for the 3-RRS parallel manipulator

X Li, X Gao, L Sun, D Zheng, H Shi… - Advances in …, 2022 - journals.sagepub.com
In order to improve the high-precision tracking control of angle variables and the sliding
mode equivalent control part for the 3-RRS parallel manipulator, an adaptive neural network …