Learning compliant stiffness by impedance control-aware task segmentation and multi-objective bayesian optimization with priors

M Okada, M Komatsu, R Okumura… - 2023 IEEE/RSJ …, 2023 - ieeexplore.ieee.org
Rather than traditional position control, impedance control is preferred to ensure the safe
operation of industrial robots programmed from demonstrations. However, variable stiffness …

Visuo-Tactile Exploration of Unknown Rigid 3D Curvatures by Vision-Augmented Unified Force-Impedance Control

K Karacan, A Zhang, H Sadeghian… - 2024 IEEE/RSJ …, 2024 - ieeexplore.ieee.org
Despite recent advancements in torque-controlled tactile robots, integrating them into
manufacturing settings remains challenging, particularly in complex environments …

Tactile exploration using unified force-impedance control

K Karacan, D Grover, H Sadeghian, F Wu… - IFAC-PapersOnLine, 2023 - Elsevier
Tactile robots can perform complex interaction skills, eg, polishing. Such robots should
therefore be designed to be adaptive to environmental uncertainties such as changing …

A Geometric Approach to Task-Specific Cartesian Stiffness Shaping

N Knežević, B Lukić, T Petrič, K Jovanovič - Journal of Intelligent & …, 2024 - Springer
Controlling the exact Cartesian stiffness values of a robot end-effector (EE) is troublesome
because of difficulties associated with estimating the stiffness and controllability of a full …

SRL-VIC: A Variable Stiffness-based Safe Reinforcement Learning for Contact-rich Robotic Tasks

H Zhang, G Solak, GJG Lahr… - IEEE Robotics and …, 2024 - ieeexplore.ieee.org
Reinforcement learning (RL) has emerged as a promising paradigm in complex and
continuous robotic tasks, however, safe exploration has been one of the main challenges …

Robust Adaptive Nonlinear Admittance Control of Robotic Manipulators with Extra-Intra Uncertainties and Disturbances

S Zhang, Z Chen, X Zhang - 2024 - researchsquare.com
This paper focuses on achieving rapid convergence in finite time for robust trajectory
tracking of robotic manipulators, which upper-bound uncertainties are unknown. To address …

Toward adaptation in human-robot collaboration

L Vianello - 2022 - hal.science
2.3 Training the VAE of the LEM requires a dataset of human postures. For each posture an
ergonomics score exists. In our experiments, as a dataset, we used:(1) the AnDy dataset …

非対称行列を用いた多自由度ロボットのアドミッタンス制御

辻俊明, 加藤泰大 - 日本ロボット学会誌, 2024 - jstage.jst.go.jp
抄録 In contact-rich tasks, robots can correct positional errors by generating compliant
motion. Methods using compliance control have the advantage of easily adjusting …