Results 41 to 50 of about 3,903 (306)

Improved Uncalibrated Visual Servo Strategy for Hyper-Redundant Manipulators in On-Orbit Automatic Assembly

Applied Sciences, 2020
Aiming at on-orbit automatic assembly, an improved uncalibrated visual servo strategy for hyper-redundant manipulators based on projective homography is proposed.
Jinlin Gu, Mingchao Zhu, Lihua Cao, Ang Li, Wenrui Wang, Zhenbang Xu   +5 more
doaj   +1 more source

An On-Line Path Planner for Industrial Manipulators

International Journal of Advanced Robotic Systems, 2013
In this paper, an on-line path planner for an industrial manipulator is presented. The proposed control architecture is capable of driving the manipulator in its environment while avoiding collisions.
Fabrizio Padula, Veronique Perdereau
doaj   +1 more source

Model-Predictive-Control-Based Time-Optimal Trajectory Planning of the Distributed Actuation Mechanism Augmented by the Maximum Performance Evaluation

Applied Sciences, 2021
Trajectory planning for a redundant manipulator is a classic problem. However, because it is difficult to precisely evaluate its maximum performance, an optimization method has been typically used.
Jong Ho Kim, Kyunghwan Choi, In Gwun Jang   +2 more
doaj   +1 more source

Venous Thromboembolism in Pediatric Bone Sarcoma Patients: A 10‐Year, Single‐Institution Experience Encompassing the COVID‐19 Pandemic

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Osteosarcoma (OS) and Ewing sarcoma (EWS) are the most common primary bone cancers in children, but acute thrombosis is poorly characterized in this population. Our study evaluated the rates of venous thromboembolism (VTE) and associated risk factors in pediatric patients with bone sarcomas treated over a 10‐year period encompassing
Sarah Kappa, Shou Xu, Mark Zobeck, Sarah E. Sartain, Nino Rainusso, Lisa Wang, Nicole Montgomery, Paige Wheaton, Sarah Whittle   +8 more
wiley   +1 more source

Neural network based kinematic control of the hyper-redundant snake-like manipulator

, 2007
In a sinusoid like curve configuration, the snake-like manipulator (also called snake arm) has a wide range of potential applications for its redundancy to overcome conventional industrial robot's limitation when carrying out a complex task.
Liu JG(刘金国), Ma SG(马书根), Yuechao Wang, Li, Bin, Wang YC(王越超), Li B(李斌), Wang, Yuechao, Liu, Jinguo, Jinguo Liu, Ma, Shugen, Shugen Ma, Bin Li   +11 more
core   +1 more source

Dynamic reconfiguration manipulability for redundant manipulators

Transactions of the JSME (in Japanese), 2014
In this research, a new concept named Dynamic Reconfiguration Manipulability (DRM) is proposed, which gauges dynamical shape-changeability by using a redundancy of the robot on the premise that a primary task be given at hand. The DRM represents simultaneously how much acceleration each intermediate link can be generated and what direction the ...
KOBAYASHI, Yosuke, MINAMI, Mamoru, YANOU, Akira   +2 more
openaire   +3 more sources

Valosin‐containing protein counteracts ATP‐driven dissolution of FUS condensates through its ATPase activity in vitro

FEBS Letters, EarlyView.
Biomolecular condensates formed by fused in sarcoma (FUS) are dissolved by high ATP concentrations yet persist in cells. Using a reconstituted system, we demonstrate that valosin‐containing protein (VCP), an AAA+ ATPase, counteracts ATP‐driven dissolution of FUS condensates through its D2 ATPase activity.
Hitomi Kimura, Shin‐ichi Tate, Kyota Yasuda   +2 more
wiley   +1 more source

Reactionless Control for Two Manipulators Mounted on a Cable-Suspended Platform

, 2006
The dynamics and control of a cable-suspended, two-arm robotic system are developed for an entertainment application. One manipulator arm is controlled to fulfil a user defined task. The second arm is then controlled to compensate for the disturbances on
Ralf Koeppe, Koeppe, Ralf, Lampariello, Roberto, Gerd Hirzinger, Roberto Lampariello, Hirzinger, Gerhard, Heindl, Johann, Johann Heindl   +7 more
core   +1 more source

Inverse Kinematics Solution of Redundant Manipulator based on Improved Particle Swarm Optimization Algorithm

Jixie chuandong, 2021
Taking the minimizing pose error of the end-effector as the objective function， the inverse kinematics problem of redundant manipulator is transformed into an equivalent optimization problem.
Jianping Shi, Peng Liu, Dongyun Chen
doaj  

Coordinated Compliance Control Method of Five-Axis Redundant Industrial Manipulator Based on Monocular Vision

Journal of Control Science and Engineering, 2022
In order to improve the accuracy of the five-axis redundant industrial robot arm in grasping static objects and shorten the grasping time, a coordinated compliance control method based on a monocular vision for the five-axis redundant industrial robot ...
Hua Cen
doaj   +1 more source