Results 11 to 20 of about 1,578 (257)

Maxwell Model-Based Null Space Compliance Control in the Task-Priority Framework for Redundant Manipulators

open access: yesIEEE Access, 2020
Improving robot performance while simultaneously ensuring compliance and human safety has been appealing for a long time and remains a challenge. To this end, we propose a new approach for kinematic control of redundant manipulators to deal with multiple
Le Fu, Jie Zhao
doaj   +1 more source

A general method for the manipulability analysis of serial robot manipulators

open access: yesInternational Journal of Advanced Robotic Systems, 2023
Manipulability quantification and evaluation of robot manipulators plays an important role in robotic mechanism design, motion planning, and control. In this article, a general methodology of using manipulability polytopes to characterize the manipulator’
Zhihong Zou
doaj   +1 more source

Inverse kinematics solution for humanoid robot minimizing gravity-related joint torques [PDF]

open access: yesArchive of Mechanical Engineering, 2022
A method of solving the inverse kinematics problem for a humanoid robot modeled as a tree-shaped manipulator is presented. Robot trajectory consists of a set of trajectories of the characteristic points (the robot’s center of mass, origins of feet and ...
Kacper Mikołajczyk   +2 more
doaj   +1 more source

A Neural Control Architecture for Joint-Drift-Free and Fault-Tolerant Redundant Robot Manipulators

open access: yesIEEE Access, 2018
Fault tolerance is important for a redundant robot manipulator, which endows the robot with the capability of finishing the end-effector task even when one or some of joints’ motion fails.
Nan Zhong   +3 more
doaj   +1 more source

Motion Planning and Control of Redundant Manipulators for Dynamical Obstacle Avoidance

open access: yesMachines, 2021
This paper presents a framework for the motion planning and control of redundant manipulators with the added task of collision avoidance. The algorithms that were previously studied and tested by the authors for planar cases are here extended to full ...
Giacomo Palmieri, Cecilia Scoccia
doaj   +1 more source

A method to formulate a dimensionally homogeneous Jacobian of parallel manipulators [PDF]

open access: yes, 2011
This paper presents a general and systematic approach to formulate the dimensionally homogeneous Jacobian, which is an important issue for the dexterity evaluation and dimensional synthesis of f-degrees-of-freedom (DOF) (f ≤ 6) parallel manipulators ...
Huang, Tian   +5 more
core   +1 more source

Cooperative Kinematic Control for Multiple Redundant Manipulators Under Partially Known Information Using Recurrent Neural Network

open access: yesIEEE Access, 2020
In this study, we investigate the problem of cooperative kinematic control for multiple redundant manipulators under partially known information using recurrent neural network (RNN).
Xiaoxiao Li   +4 more
doaj   +1 more source

Generalized Jacobian analysis of lower mobility manipulators [PDF]

open access: yes, 2011
Mainly drawing on screw theory and linear algebra, this paper presents a general approach for Jacobian analysis of lower mobility manipulators. Given the definitions of twist/wrench spaces and their subspaces of the end-effector, the underlying ...
Huang, Tian   +5 more
core   +1 more source

An Approach to the Dynamics and Control of Uncertain Robot Manipulators

open access: yesAlgorithms, 2019
In this paper, a novel constraint-following control for uncertain robot manipulators that is inspired by analytical dynamics is developed. The motion can be regarded as external constraints of the system.
Xiaohui Yang   +5 more
doaj   +1 more source

Real-Time Joint Angular-Acceleration Planning for Vision-Based Kinematically Redundant Manipulator in Dynamic Environment

open access: yesIEEE Access, 2020
This paper presents an angular acceleration planning for joint configuration spaces of vision-based kinematically redundant robot manipulators to achieve real-time tracking tasks in dynamic environment.
Hui Zhang   +4 more
doaj   +1 more source

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