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Title Kinematic analysis of 3-PRPPS spatial parallel manipulator with circularly guided base for singularity-free robotic motions
Authors Shaik, H.S.
ORCID
Keywords process innovation
automation
workspace
kinematic analysis
multi-body simulation
Jacobian matrix
production quality
Type Article
Date of Issue 2024
URI https://essuir.sumdu.edu.ua/handle/123456789/96987
Publisher Sumy State University
License Creative Commons Attribution - NonCommercial 4.0 International
Citation Shaik H. S. (2024). Kinematic analysis of 3-PRPPS spatial parallel manipulator with circularly guided base for singularity-free robotic motions. Journal of Engineering Sciences (Ukraine), Vol. 11(2), pp. A30–A39. https://doi.org/10.21272/jes.2024.11(2).a4
Abstract Robot manipulators are classified as serial manipulators and parallel manipulators. Parallel manipulators are classified into planar and spatial parallel manipulators (SPMs). The parallel manipulators have moved and fixed platforms connected with serial chains. The parallel manipulators have many linkages, which create a singularity problem. The singular positions of SPMs have also gained substantial attention in various industrial applications due to their intrinsic advantages in precision, flexibility, and load-bearing capabilities. The 3-PRPPS SPM has three prismatic joints, one spherical joint, and one revolute joint. This work changed the fixed base with a circular guided base to avoid singularity issues. The manipulator was modeled with direct kinematic relations. The Jacobian matrix for position and orientation was derived. The workspace was taken as the common area of the three circles, whose radius was the maximum arm length. The position and orientation of the end effector were traced. In the form of the end effector traces, no singularities in the mechanism were observed. The path of the robot manipulator was observed in all the possible positions and orientations. The multi-body simulation was also conducted on the 3-PRPPS manipulator, the main findings of which are presented in this article.
Appears in Collections: Journal of Engineering Sciences / Журнал інженерних наук

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