Results 11 to 20 of about 172,995 (305)

Workspace and Kinematics Analysis of Redundant Space Manipulator

open access: yesMATEC Web of Conferences, 2016
In order to meet the requirements of tasks in the complex space environment, we designed a kind of 7 degrees of freedom redundant space manipulator in this paper. Its 3D modelling is based on SolidWorks 2015.
Zhang Jian-xia, Wei Xiao-peng
doaj   +3 more sources

A Review of the Space Trajectory Planning of Redundant Manipulator

open access: yesJixie chuandong, 2016
The redundant manipulator can use redundant degree of freedom to avoid obstacles,but it does not affect the operation of the end effecter. So comparing with general non- redundant manipulator,the redundant manipulator has obvious advantages for dealing ...
Gao Han, Zhang Minglu, Zhang Xiaojun
doaj   +2 more sources

Joint Torque Reduction of a Three Dimensional Redundant Planar Manipulator

open access: yesSensors, 2012
Research on joint torque reduction in robot manipulators has received considerable attention in recent years. Minimizing the computational complexity of torque optimization and the ability to calculate the magnitude of the joint torque accurately will ...
Samer Yahya   +2 more
doaj   +2 more sources

Reinforcement Learning-Based Reactive Obstacle Avoidance Method for Redundant Manipulators

open access: yesEntropy, 2022
Redundant manipulators are widely used in fields such as human-robot collaboration due to their good flexibility. To ensure efficiency and safety, the manipulator is required to avoid obstacles while tracking a desired trajectory in many tasks ...
Yue Shen   +5 more
doaj   +1 more source

Adaptive Caging Configuration Design Algorithm of Hyper-Redundant Manipulator for Dysfunctional Satellite Pre-Capture

open access: yesIEEE Access, 2020
This paper presents an adaptive caging configuration design algorithm of the hyper-redundant manipulator for dysfunctional satellite pre-capture. Taking advantages of the extreme flexibility and hyper-redundancy, the hyper-redundant manipulator wraps its
Wenya Wan, Chong Sun, Jianping Yuan
doaj   +1 more source

Comparison on Inverse-Free Method and Psuedoinverse Method for Fault-Tolerant Planning of Redundant Manipulator

open access: yesIEEE Access, 2020
Motivated by the importance of fault-tolerant control for robot movement, a fault-tolerant motion planning scheme is proposed to eliminate the joint velocity jump of the redundant manipulator at the time of failure, and enhance the motion stability of ...
Jiawei Luo, Kene Li, Hui Yang, Jin Yang
doaj   +1 more source

The Dexterity Capability Map for a Seven-Degree-of-Freedom Manipulator

open access: yesMachines, 2022
For a grasping task planner, the pre-planning of the reachable tip pose in a manipulator’s workspace is important. On this basis, for a seven-degree-of-freedom (7-DOF) redundant manipulator, it is very meaningful to study how to give full play to its ...
Yuan Quan   +4 more
doaj   +1 more source

Cartesian Trajectory Tracking for Manipulators Using Optimal Control Theory [PDF]

open access: yesModeling, Identification and Control, 1987
A Cartesian trajectory tracking system for manipulators is developed using optimal control theory. By including the Cartesian position in the state vector, transformation of the trajectory from Cartesian space to manipulator joint space is avoided, and ...
Olav Egeland
doaj   +1 more source

Evaluating the Maximum Directional Kinematic Capability of a Redundant Manipulator Based on Allowable Velocity and Force

open access: yesIEEE Access, 2021
In this study, a new concept of allowable velocity and force is proposed to precisely evaluate the maximum directional kinematic capability of a redundant manipulator.
Jong Ho Kim   +2 more
doaj   +1 more source

A comparison study on the stiffness and natural frequency of a redundant parallel conveyor and its nonredundant counterpart

open access: yesAdvances in Mechanical Engineering, 2017
This study performed a comparison of the stiffness and natural frequency of a redundant parallel conveyor and its nonredundant counterpart. A 3-degree-of-freedom parallel conveyor that is used for the pretreatment and electrocoating of car bodies is ...
Liping Wang, Guang Yu, Jun Wu
doaj   +1 more source

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