Control method of flexible manipulator servo system based on a combination of RBF neural network and pole placement strategy

D Shang, X Li, M Yin, F Li - Mathematics, 2021 - mdpi.com
Gravity and flexibility will cause fluctuations of the rotation angle in the servo system for
flexible manipulators. The fluctuation will seriously affect the motion accuracy of end …

Dynamics of a 3-UPS-UPU-S parallel mechanism

JS Zhao, ST Wei, XC Sun - Applied Sciences, 2023 - mdpi.com
In this paper, a parallel mechanism with two rotational degrees of freedom is proposed. It
could rotate freely and continuously around the two coordinate axes at the fixed origin of the …

Nonprehensile manipulation of parts on a horizontal circularly oscillating platform with dynamic dry friction control

S Kilikevičius, K Liutkauskienė, A Fedaravičius - Sensors, 2021 - mdpi.com
This paper presents a novel method for nonprehensile manipulation of parts on a circularly
oscillating platform when the effective coefficient of dry friction between the part and the …

Stiffness performance analysis of a 3-PRPS kinematically redundant parallel mechanism

Y Xue, H Qu, X Li, S Guo - Proceedings of the Institution of …, 2023 - journals.sagepub.com
The stiffness performance of a spatial kinematically redundant parallel mechanism (KRPM)
with three relative degree-of-freedom (RDOF) is analyzed. Firstly, the composition principle …

Towards a more robust non-rigid robotic joint

VH Pinto, J Gonçalves, P Costa - Applied System Innovation, 2020 - mdpi.com
The following paper presents an improved, low cost, non-rigid joint that can be used in both
robotic manipulators and leg-based traction robotic systems. This joint is an improvement …

[PDF][PDF] Study on modeling and dynamic performance of a planar flexible parallel manipulator based on finite element method

Z Liu, S Yang, C Cheng, T Ding, R Chai - Math. Biosci. Eng, 2023 - aimspress.com
The application of a high-speed parallel manipulator necessitates the adoption of a
lightweight design to reduce dead weight. However, this increases the elastic deformation of …

Obstacle avoidance dynamic control of manipulator based on space operator algebra

H Hong, X Sun - Future Generation Computer Systems, 2021 - Elsevier
The traditional manipulator obstacle avoidance dynamics control method ignores the
acceleration constraints and speed constraints of the joint obstacle avoidance, and judges …

弹性连杆对平行打纬机构前死心位置的影响.

刘艳哲, 杨建成, 黄子文, 赵全鹏… - Advanced Textile …, 2023 - search.ebscohost.com
随着织机转速提高, 共轭凸轮与四连杆组合的平行式打纬机构中的连杆构件会在惯性载荷的作用
下变形加大, 从而导致钢筘前死心位置与理想位置产生偏差, 影响打纬精度. 针对该问题采用虚拟 …

Robotics and Vibration Mechanics

A Gasparetto, L Scalera, I Palomba - Applied Sciences, 2022 - mdpi.com
Robotics and vibration mechanics are among the main research areas in mechanical
engineering. Robotics includes the design, construction, control, operation, and trajectory …

Computational Verification of Analytical Modal Analysis Solution of Non-Symmetric 3RPR Parallel Kinematics Manipulator

A Rosyid, B El-Khasawneh… - ASME …, 2023 - asmedigitalcollection.asme.org
The modal analysis of parallel kinematics manipulators is more complicated than that of
serial kinematics manipulators due to the closed kinematic chains of the former. Using …