Results 11 to 20 of about 5,991 (269)

Flagged Parallel Manipulators [PDF]

open access: yesIEEE Transactions on Robotics, 2007
Peer ...
M. Alberich-Carraminana   +3 more
openaire   +5 more sources

Parallelism in manipulator dynamics [PDF]

open access: yesProceedings. 1985 IEEE International Conference on Robotics and Automation, 1985
This paper addresses the problem of efficiently computing the motor torques required to drive a manipulator arm in free motion, given the desired trajectory—that is the inverse dynamics problem. It analyzes the high degree of parallelism inherent in the computations and presents two "mathemati cally exact "formulations especially ...
openaire   +1 more source

Forward Kinematics and Workspace Determination of a Novel Redundantly Actuated Parallel Manipulator

open access: yesInternational Journal of Aerospace Engineering, 2019
This paper presents a novel redundantly actuated 2RPU-2SPR parallel manipulator that can be employed to form a five-axis hybrid kinematic machine tool for large heterogeneous complex structural component machining in aerospace field.
Haiqiang Zhang   +4 more
doaj   +1 more source

Performance analysis for a 2 (3HSS+S) parallel manipulator with double moving platforms

open access: yesInternational Journal of Advanced Robotic Systems, 2016
The working efficiency of a parallel manipulator with double moving platforms is better than a parallel manipulator with a single moving platform. In this study, a 2 (3HSS+S) parallel manipulator is presented, and the topology model of the parallel ...
Gang Cheng, Zunzhong Zhao, Xianlei Shan
doaj   +1 more source

Dynamic Coupling Analysis of a Spatial 6-DOF Electro-Hydraulic Parallel Manipulator Using a Modal Decoupling Method

open access: yesInternational Journal of Advanced Robotic Systems, 2013
The workspace of a spatial 6-DOF electro-hydraulic parallel manipulator is strongly coupled, due to its multi-closed-loop kinematic structure and the coupling complicates motion planning and control of the parallel manipulator.
Chifu Yang, Junwei Han
doaj   +1 more source

Research on Longitudinal Vibration Characteristic of the Six-Cable-Driven Parallel Manipulator in FAST

open access: yesAdvances in Mechanical Engineering, 2013
The first adjustable feed support system in FAST is a six-cable-driven parallel manipulator. Due to flexibility of the cables, the cable-driven parallel manipulator bears a concern of possible vibration caused by wind disturbance or internal force from ...
Zhihua Liu   +4 more
doaj   +1 more source

Real-time UVMS torque distribution algorithm based on weighting matrix.

open access: yesPLoS ONE, 2021
This study presents a real-time algorithm for even distributing the torque burden on the parallel manipulator with an autonomous underwater vehicle (AUV) through the cooperation of the AUV and manipulator.
Yecheol Moon   +4 more
doaj   +1 more source

Dynamic Analysis and Trajectory Tracking Control for a Parallel Manipulator with Joint Friction

open access: yesApplied Sciences, 2022
To overcome the bearing capacity deficiencies of traditional serial hip joint simulators, complex trajectory simulation, among others, as well as a parallel manipulator with two pairs of artificial hip joints and two moving platforms are proposed.
Shibiao Chen, Gang Cheng, Yusong Pang
doaj   +1 more source

A Fuzzy PID Approach for the Vibration Control of the FSPM

open access: yesInternational Journal of Advanced Robotic Systems, 2013
This paper focuses on the vibration control issue of a Flexibly Supported Parallel Manipulator (FSPM), which consists of a flexible support and a rigid parallel manipulator. The distinct characteristic of an FSPM is the dynamic coupling between the rigid
Zhu-Feng Shao   +3 more
doaj   +1 more source

An Overview of the Development for Cable-Driven Parallel Manipulator

open access: yesAdvances in Mechanical Engineering, 2014
In the last two decades, cable-driven parallel robots have attracted a lot of attention in robot community as a hot topic of robot research. In this paper, the development of the cable-driven parallel manipulator is first introduced in general.
Xiaoqiang Tang
doaj   +1 more source

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