[HTML][HTML] Speed control method for dual-flexible manipulator with a telescopic arm considering bearing friction based on adaptive PI controller with DOB

D Shang, X Li, M Yin, F Li - Alexandria Engineering Journal, 2022 - Elsevier
A dual-flexible manipulator with a telescopic arm is affected by joint flexibility, load flexibility,
and bearing friction, which will cause angular velocity fluctuation. Besides, the motion of the …

An efficient and accurate inverse kinematics for 7-DOF redundant manipulators based on a hybrid of analytical and numerical method

M **, Q Liu, B Wang, H Liu - Ieee Access, 2020 - ieeexplore.ieee.org
This paper proposes an efficient and accuracy inverse kinematic algorithm for 7-DOF
redundant manipulators with obstacles avoidance and singularities avoidance based on the …

Inverse kinematics and workspace analysis of a novel SSRMS-type reconfigurable space manipulator with two lockable passive telescopic links

J Zhao, Z Zhao, X Yang, L Zhao, G Yang… - Mechanism and Machine …, 2023 - Elsevier
This study proposes a novel space station remote manipulator system (SSRMS)-type
reconfigurable space manipulator to enhance the adaptability of the traditional SSRMS-type …

Fault-tolerant analysis and control of SSRMS-type manipulators with single-joint failure

Y She, W Xu, H Su, B Liang, H Shi - Acta Astronautica, 2016 - Elsevier
Several space manipulators, whose configurations are similar to that of the Space Station
Remote Manipulator System (SSRMS, also called Canadarm2), are playing important roles …

Dual arm-angle parameterisation and its applications for analytical inverse kinematics of redundant manipulators

W Xu, L Yan, Z Mu, Z Wang - Robotica, 2016 - cambridge.org
An SRS (Spherical-Revolute-Spherical) redundant manipulator is similar to a human arm
and is often used to perform dexterous tasks. To solve the inverse kinematics analytically …

An improved weighted gradient projection method for inverse kinematics of redundant surgical manipulators

X Zhang, B Fan, C Wang, X Cheng - Sensors, 2021 - mdpi.com
Different from traditional redundant manipulators, the redundant manipulators used in the
surgical environment require the end effector (EE) to have high pose (position and …

[HTML][HTML] Redundancy parameterization and inverse kinematics of 7-DOF revolute manipulators

AJ Elias, JT Wen - Mechanism and Machine Theory, 2024 - Elsevier
Abstract Seven-degree-of-freedom (DOF) robot arms have one redundant DOF for obstacle
and singularity avoidance which must be parameterized to fully specify the joint angles for a …

[HTML][HTML] Failure treatment strategy and fault-tolerant path planning of a space manipulator with free-swinging joint failure

C Gang, GUO Wen, JIA Qingxuan, W Xuan… - Chinese Journal of …, 2018 - Elsevier
Aiming at a space manipulator with free-swinging joint failure, a failure treatment strategy
and fault-tolerant path planning method is proposed in this paper. This method can realize …

A closed-form solution for inverse kinematics of redundant space manipulator with multiple joint offsets

S Wang, Z Liu, Z Ma, H Chang, P Huang… - Advances in space …, 2023 - Elsevier
This paper proposes a novel parameterization analytical method to solve the inverse
kinematics of a redundant space manipulator, which has link offsets at the shoulder, elbow …

A Novel Analytical Inverse Kinematics Method for SSRMS‐Type Space Manipulators Based on the POE Formula and the Paden‐Kahan Subproblem

Y Wang, X Ding, Z Tang, C Hu… - International Journal of …, 2021 - Wiley Online Library
Space manipulators which have a similar symmetrical structure with seven revolute joints,
such as the space station remote manipulator system (SSRMS), can be called SSRMS‐type …