On semidefinite relaxations for matrix-weighted state-estimation problems in robotics

C Holmes, F Dümbgen… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
In recent years, there has been remarkable progress in the development of so-called
certifiable perception methods, which leverage semidefinite, convex relaxations to find …

Scalable distance-based multi-agent relative state estimation via block multiconvex optimization

T Wu, G Zaitian, Q Wang, F Gao - arxiv preprint arxiv:2405.20883, 2024 - arxiv.org
This paper explores the distance-based relative state estimation problem in large-scale
systems, which is hard to solve effectively due to its high-dimensionality and non-convexity …

Bearing-based relative localization for robotic swarm with partially mutual observations

Y Wang, X Wen, Y Cao, C Xu… - IEEE Robotics and …, 2023 - ieeexplore.ieee.org
Mutual localization provides a consensus of reference frame as an essential basis for
cooperation in multi-robot systems. Previous works have developed certifiable and robust …

A speedup method for solving the inverse kinematics problem of robotic manipulators

S **e, L Sun, Z Wang, G Chen - International Journal of …, 2022 - journals.sagepub.com
The inverse kinematics problem involves the study that the inverse kinematics solver needs
to calculate the values of the joint variables given the desired pose of the end-effector of a …

Cidgikc: Distance-geometric inverse kinematics for continuum robots

HJ Zhang, M Giamou, F Marić, J Kelly… - IEEE Robotics and …, 2023 - ieeexplore.ieee.org
The small size, high dexterity, and intrinsic compliance of continuum robots (CRs) make
them well suited for constrained environments. Solving the inverse kinematics (IK), that is …

Analytical Inverse Kinematics for a Prismatic-Revolute Hybrid Joints Radiography Robot Mounted on the Ambulance

L Zheng, P Lin, M Liang, C Wang, Y Li… - IEEE/ASME …, 2024 - ieeexplore.ieee.org
Installing digital subtraction angiography (DSA) equipment in an ambulance can provide
crucial image guidance for the emergency medical service of cardiovascular diseases …

Efficient learning of fast inverse kinematics with collision avoidance

J Tenhumberg, A Mielke… - 2023 IEEE-RAS 22nd …, 2023 - ieeexplore.ieee.org
Fast inverse kinematics (IK) is a central component in robotic motion planning. For complex
robots, IK methods are often based on root search and nonlinear optimization algorithms …

SDPRLayers: Certifiable Backpropagation Through Polynomial Optimization Problems in Robotics

C Holmes, F Dümbgen, TD Barfoot - arxiv preprint arxiv:2405.19309, 2024 - arxiv.org
Differentiable optimization is a powerful new paradigm capable of reconciling model-based
and learning-based approaches in robotics. However, the majority of robotics optimization …

Deep deterministic policy gradient with constraints for gait optimisation of biped robots

X Liu, H Rong, F Neri, P Yue… - Integrated Computer …, 2024 - journals.sagepub.com
In this paper, we propose a novel Reinforcement Learning (RL) algorithm for robotic motion
control, that is, a constrained Deep Deterministic Policy Gradient (DDPG) deviation learning …

An inverse kinematic method for non-spherical wrist 6DOF robot based on reconfigured objective function

Y Sun, L Mi, D Jiang, X Zhang, J Yun, Y Liu, L Huang… - Soft Computing, 2024 - Springer
The non-spherical 6R manipulators are widely used in many fields. However, the non-
spherical structure often poses challenges in the inverse kinematics problem (IKP) for such …