Kinematic analysis and optimization of a new three degree-of-freedom spatial parallel manipulator

JA Carretero, RP Podhorodeski… - J. Mech …, 2000 - asmedigitalcollection.asme.org
A study of the kinematic characteristics of a three degree-of-freedom (dof) parallel
mechanism is presented. The architecture of the mechanism is comprised of a mobile …

1T2R parallel mechanisms without parasitic motion

Q Li, JM Hervé - IEEE Transactions on Robotics, 2010 - ieeexplore.ieee.org
Parasitic motion is a major drawback of the general 1T2R parallel mechanism (PM), where T
denotes a translation degree of freedom (DOF) and R a rotational DOF. This paper …

Type Synthesis of 3-DOF PU-Equivalent Parallel Mechanisms

Q Li, JM Hervé, W Ye, Q Li, JM Hervé, W Ye - Geometric Method for Type …, 2020 - Springer
The 1T2R parallel manipulator (PM) without parasitic motion is important in practical
applications because the orientation of the end effector can be controlled as being a …

Parasitic motion comparison of 3-PRS parallel mechanism with different limb arrangements

Q Li, Z Chen, Q Chen, C Wu, X Hu - Robotics and Computer-Integrated …, 2011 - Elsevier
The 3-PRS parallel mechanism (PM) is an important category of lower-mobility parallel
mechanisms. Because it can undergo one translational degree of freedom (DOF) and two …

[HTML][HTML] Analysis of parasitic motion with the constraint embedded Jacobian for a 3-PRS parallel manipulator

H Nigatu, YH Choi, D Kim - Mechanism and Machine Theory, 2021 - Elsevier
This study derives the equation of parasitic motion of 3-DoFs parallel manipulator from the
velocity-level analytic-constraint equation and compares it with a well-known position-level …

Design optimization of 3PRS parallel manipulator using global performance indices

S Ramana Babu, V Ramachandra Raju… - Journal of Mechanical …, 2016 - Springer
This paper presents an optimal kinetostatic design method for a general 3PRS (Prismatic-
revolute-spherical) spatial parallel manipulator by formulating a multi-objective optimization …

Kinematic/dynamic analysis and optimization of a 2-URR-RRU parallel manipulator

Z Wang, N Zhang, X Chai, Q Li - Nonlinear Dynamics, 2017 - Springer
Abstract A 2-URR-RRU parallel manipulator has two rotational degrees of freedom (DOF)
and one translational DOF, where U denotes a universal joint and R a revolute joint. The 2 …

Dimensional synthesis of a 3-DOF parallel manipulator based on dimensionally homogeneous Jacobian matrix

T Sun, YM Song, YG Li, LS Liu - Science in China Series E: Technological …, 2010 - Springer
A study of dimensional synthesis of a 3-DOF parallel manipulator with coupling of translation
and rotation is carried out. The architecture of the manipulator is composed of a moving …

A geometric algebra algorithm for the closed-form forward displacement analysis of 3-PPS parallel mechanisms

X Huang, C Ma, H Su - Mechanism and Machine Theory, 2019 - Elsevier
This paper presents an efficient graphical representation geometric algebra approach for the
forward displacement analysis (FDA) of 3-PPS parallel mechanisms (PMs). Our approach …

New family of 3-DOF UP-equivalent parallel mechanisms with high rotational capability

W Ye, QC Li, XX Chai - Chinese Journal of Mechanical Engineering, 2018 - Springer
Parallel mechanisms (PMs) having the same motion characteristic with a UP kinematic chain
(U denotes a universal joint, and P denotes a prismatic joint) are called UP-equivalent PMs …