An adaptive fuzzy recurrent neural network for solving the nonrepetitive motion problem of redundant robot manipulators

Z Zhang, Z Yan - IEEE Transactions on Fuzzy Systems, 2019‏ - ieeexplore.ieee.org
In order to effectively decrease the joint-angular drifts and end-effector position
accumulation errors, a novel adaptive fuzzy recurrent neural network (AFRNN) is proposed …

Dynamics analysis, offline–online tuning and identification of base inertia parameters for the 3-DOF Delta parallel robot under insufficient excitations

F Abed Azad, S Ansari Rad, MR Hairi Yazdi… - Meccanica, 2022‏ - Springer
In this paper, the dynamics model of the 3-Degrees-Of-Freedom (DOF) Delta parallel
manipulator is elaborated by means of a Screw-based formulation of the virtual works …

Kinematics, dynamics, and load distribution analysis of a 4-PPPS redundantly actuated parallel manipulator

Z Liu, R Tao, J Fan, Z Wang, F **g, M Tan - Mechanism and Machine …, 2022‏ - Elsevier
In this paper, the kinematics, dynamics, and load distribution algorithm of a 4-PPPS
redundantly actuated parallel manipulator are investigated with the screw theory. For the …

Infinite rotational motion generation and analysis of a spherical parallel manipulator with coaxial input axes

I Tursynbek, A Shintemirov - Mechatronics, 2021‏ - Elsevier
This paper presents a novel framework for the analysis of a 3-RRR spherical parallel
manipulator with coaxial input axes (coaxial SPM) with the focus on its infinite rotational …

Delay-dependent stability analysis in haptic rendering

A Mashayekhi, S Behbahani, F Ficuciello… - Journal of Intelligent & …, 2020‏ - Springer
Nowadays haptic devices have lots of applications in virtual reality systems. While using a
haptic device, one of the main requirements is the stable behavior of the system. An …

Motion characteristics analysis of a novel spherical two-degree-of-freedom parallel mechanism

Z Chen, X Chen, M Gao, C Zhao, K Zhao… - Chinese Journal of …, 2022‏ - Springer
Current research on spherical parallel mechanisms (SPMs) mainly focus on surgical robots,
exoskeleton robots, entertainment equipment, and other fields. However, compared with the …

Comparative kinematic analysis and design optimization of redundant and nonredundant planar parallel manipulators intended for haptic use

H Saafi, H Lamine - Robotica, 2020‏ - cambridge.org
This paper investigates a comparative kinematic analysis between nonredundant and
redundant 2-Degree Of Freedom parallel manipulators. The nonredundant manipulator is …

High-order singularities of 5R planar parallel robots

M Özdemir - Robotica, 2019‏ - cambridge.org
Singularity analysis of parallel manipulators is an active research field in robotics. The
present article derives for the first time in the literature a condition under which a five-bar …

[HTML][HTML] Kinematic calibration of parallel robots based on L-Infinity parameter estimation

D Yu - Machines, 2022‏ - mdpi.com
Pose accuracy is one of the most important problems in the application of parallel robots. In
order to adhere to strict pose error bounds, a new kinematic calibration method is proposed …

[HTML][HTML] Configuration design and load capacity analysis of pelvic fracture reduction robot

S Cai, J Lei, J Rao - Journal of Vibroengineering, 2023‏ - extrica.com
Robot-assisted reduction of pelvic fracture requires large workspace and large load
capacity. A kind of six degree-of-freedom (DOF) robot for pelvic fracture reduction is …