Results 31 to 40 of about 584,886 (284)

Dynamic Path Planning for a 7-DOF Robot Arm [PDF]

, 2006
Klanke S, Lebedev DV, Haschke R, Steil JJ, Ritter H. Dynamic Path Planning for a 7-DOF Robot Arm. In: Int. Conf. Intelligent Robots and Systems.
Stefan Klanke, Jochen Steil, Ritter, Helge ; https://orcid.org/, Haschke, Robert ; https://orcid.org/, Steil, Jochen J., Robert Haschke, Helge Ritter, Lebedev, Dmitry V., Klanke, Stefan, Dmitry Lebedev   +9 more
core   +1 more source

Generalized Jacobian analysis of lower mobility manipulators [PDF]

, 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, Chetwynd, D. G., Liu, H. T., D.G. Chetwynd, H.T. Liu, T. Huang   +5 more
core   +1 more source

Performance Analysis of Numerical Integration Methods in the Trajectory Tracking Application of Redundant Robot Manipulators

International Journal of Advanced Robotic Systems, 2011
Differential kinematic is one of the most important solution methods in robot kinematics. The main advantage of the differential kinematic method is that it can be easily implemented any kind of mechanisms. Also, an accurate and efficient kinematic based
Emre Sariyildiz, Hakan Temeltas
doaj   +2 more sources

The kinematics of the redundant $N-1$ wire driven parallel robot [PDF]

, 2013
We address the kinematics of the redundant $N-1$ wire-driven parallel robot, i.e. a robot with $N > 3$ wires connected at the same point on the platform. The redundancy allows one to increase the workspace size.
Merlet, Jean-Pierre
core   +1 more source

Planning Fail-Safe Trajectories for Space Robotic Arms

Frontiers in Robotics and AI, 2021
A frequent concern for robot manipulators deployed in dangerous and hazardous environments for humans is the reliability of task executions in the event of a joint failure.
Oliver Porges, Daniel Leidner, Máximo A. Roa   +2 more
doaj   +1 more source

Hybrid-Level Joint-Drift-Free Scheme of Redundant Robot Manipulators Synthesized by a Varying-Parameter Recurrent Neural Network

IEEE Access, 2018
For a redundant robot manipulator, the external perturbation and digital computation errors are inevitable when executing a tracking task. In this paper, a hybrid-level joint-drift-free (HL-JDF) scheme is proposed and synthesized by a novel varying ...
Zhijun Zhang, Ziyi Yan
doaj   +1 more source

The Shewanella oneidensis Fic enzyme SoFic targets the switch‐I region of EF‐Tu for AMPylation

FEBS Letters, EarlyView.
Fic enzymes mediate diverse post‐translational modifications across all domains of life, including AMPylation. Prokaryotic EF‐Tu can be AMPylated and deAMPylated by the conserved Fic enzyme SoFic. Structural and biochemical approaches were used to characterize the effect of AMPylation on EF‐Tu, SoFic's enzymatic activities, and the enzyme‐target ...
Svenja Runge, Vivian Pogenberg, Alexander Baumgart, Bente Siebels, Hartmut Schlüter, Michael Hecht‐Bucher, Aymelt Itzen   +6 more
wiley   +1 more source

Continuous Genetic Algorithms for Collision-Free Cartesian Path Planning of Robot Manipulators

International Journal of Advanced Robotic Systems, 2011
A novel continuous genetic algorithm (CGA) along with distance algorithm for solving collisions-free path planning problem for robot manipulators is presented in this paper.
Za'er S. Abo-Hammour, Othman MK. Alsmadi, Sofian I. Bataineh, Muhannad A. Al-Omari, Nafee' Affach   +4 more
doaj   +2 more sources

Solving the Singularity Problem of Non-Redundant Manipulators by Constaint Optimization [PDF]

, 1999
A solution to the singularity problem of a non-redundant robot is proposed by reformulating the inverse kinematic problem as a constraint optimization problem.
Hirzinger, Gerd, Otter, Martin, Schreiber, Günter   +2 more
core  

USP29‐regulated noncanonical stabilization of the hypoxia‐inducible factor‐α in aggressive prostate cancer

Molecular Oncology, EarlyView.
We identify USP29 as the only DUB mirroring CA9 expression, a marker of hypoxia and HIF pathway activation associated with PCA aggressiveness. USP29 stabilizes HIF‐1α and HIF‐2α via a noncanonical mechanism that is independent of PHD/pVHL activity yet relies on proteasomal regulation, establishing USP29 as a previously unrecognized regulator of hypoxic
Amelie S Schober, Leire Moreno‐Cugnon, Laura Martínez‐Pérez, Amaia Ercilla, Amaia Zabala‐Letona, Adrián Vicente‐Barrueco, Maider Fagoaga‐Eugui, Saioa Garcia‐Longarte, Blanca Calle‐Ciborro, Encarnación Pérez‐Andrés, Onintza Carlevaris, Sara Pozo, Isabel Mendizabal, Ugo Mayor, Arkaitz Carracedo, Violaine Sée, Edurne Berra   +16 more
wiley   +1 more source