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Task-Space Control of Robot Manipulators With Null-Space Compliance

IEEE Transactions on Robotics, 2014
In this paper, the problem of controlling a robot manipulator in task space, while guaranteeing a compliant behavior for the redundant degrees of freedom, is considered. This issue may arise in the case where the robot experiences an interaction on its body, especially in the presence of humans.
Hamid Sadeghian   +3 more
openaire   +2 more sources

Preparatory activity and the expansive null-space

Nature Reviews Neuroscience
The study of the cortical control of movement experienced a conceptual shift over recent decades, as the basic currency of understanding shifted from single-neuron tuning towards population-level factors and their dynamics. This transition was informed by a maturing understanding of recurrent networks, where mechanism is often characterized in terms of
Mark M. Churchland, Krishna V. Shenoy
openaire   +2 more sources

On Rotations in Ordinary and Null Spaces

American Journal of Mathematics, 1931
Es handelt sich um die Teilräume eines \(n\)-dimensionalen Raumes, die bei Ausübung einer orthogonalen oder unitären Substitution auf die Vektoren des Raumes invariant bleiben. Die Wurzeln \(\lambda_1, \lambda_2, \ldots, \lambda_n\) der charakteristischen Gleichung einer solchen Substitution sind komplexe Zahlen vom Betrag 1.
openaire   +1 more source

Null Points in Space Plasma

1965
A special phenomenon occurs at a hyperbolic null point in a plasma and leads to the formation of a thin sheet of intense current. This may be the essential feature of solar flares and a current sheet of this sort appears at the magnetospheric boundary. A first approach to the theory is made by hydromagnetics and some orders of magnitude can be obtained.
openaire   +1 more source

The biofilm matrix: multitasking in a shared space

Nature Reviews Microbiology, 2022
Hans-Curt Flemming   +2 more
exaly  

Responsive materials architected in space and time

Nature Reviews Materials, 2022
Xiaoxing Xia   +2 more
exaly  

Null space

2001
Saul I. Gass, Carl M. Harris
openaire   +1 more source

Challenges and directions in studying cell–cell communication by extracellular vesicles

Nature Reviews Molecular Cell Biology, 2022
Guillaume van Niel   +2 more
exaly  

Cosmology with the Laser Interferometer Space Antenna

Living Reviews in Relativity, 2023
Germano Nardini
exaly  

The space of null geodesics

Nonlinear Analysis: Theory, Methods & Applications, 2001
openaire   +1 more source

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