Hierarchical quadratic programming: Fast online humanoid-robot motion generation

A Escande, N Mansard… - The International Journal …, 2014 - journals.sagepub.com
Hierarchical least-square optimization is often used in robotics to inverse a direct function
when multiple incompatible objectives are involved. Typical examples are inverse …

Control of redundant robots under hard joint constraints: Saturation in the null space

F Flacco, A De Luca, O Khatib - IEEE Transactions on Robotics, 2015 - ieeexplore.ieee.org
We present an efficient method for addressing online the inversion of differential task
kinematics for redundant manipulators, in the presence of hard limits on joint space motion …

The opening workspace control strategy of a novel manipulator-driven emission source microscopy system

X Liu, X Li, H Su, Y Zhao, SS Ge - ISA transactions, 2023 - Elsevier
Emission source microscopy (ESM) technique can be utilized for localization of
electromagnetic interference sources in the electronic systems, but its accuracy is limited by …

A unified approach to integrate unilateral constraints in the stack of tasks

N Mansard, O Khatib, A Kheddar - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
The control approaches based on the task function formalism, and particularly those
structured as a prioritized hierarchy of tasks, enable complex behaviors with elegant …

Task sequencing for high-level sensor-based control

N Mansard, F Chaumette - IEEE Transactions on Robotics, 2007 - ieeexplore.ieee.org
Classical sensor-based approaches tend to constrain all the degrees of freedom of a robot
during the execution of a task. In this paper, a new solution is proposed. The key idea is to …

Stable visual servoing through hybrid switched-system control

NR Gans, SA Hutchinson - IEEE Transactions on Robotics, 2007 - ieeexplore.ieee.org
Visual servoing methods are commonly classified as image-based or position-based,
depending on whether image features or the camera position define the signal error in the …

A novel approach for a inverse kinematics solution of a redundant manipulator

M Kelemen, I Virgala, T Lipták, Ľ Miková, F Filakovský… - Applied Sciences, 2018 - mdpi.com
Kinematically-redundant manipulators present considerable difficulties, especially from the
view of control. A high number of degrees of freedom are used to control so-called …

An off-line programming system for robotic drilling in aerospace manufacturing

W Zhu, W Qu, L Cao, D Yang, Y Ke - The International Journal of …, 2013 - Springer
Off-line programming systems are essential tools for the effective use of robots in the
manufacturing environment. This paper presents a dedicated off-line programming system …

Feature tracking for visual servoing purposes

É Marchand, F Chaumette - Robotics and Autonomous Systems, 2005 - Elsevier
Object tracking is an important issue for research and application related to visual servoing
and more generally for robot vision. In this paper, we address the problem of realizing visual …

The joint‐limits and singularity avoidance in robotic welding

L Huo, L Baron - Industrial Robot: An International Journal, 2008 - emerald.com
Purpose–The aim of this paper is to develop a redundancy‐resolution (RR) algorithm to
optimize the joint space trajectory of the six‐rotation‐axis industrial robot as performing arc …