Hybrid non-blind watermarking based on DWT and SVD

O Jane, E Elbaşi - Journal of applied research and technology, 2014 - scielo.org.mx
Watermarking is identified as a major technology to achieve copyright protection and
multimedia security. Therefore, recent studies in literature include some evident approaches …

An Application of the Newton‐Homotopy Continuation Method for Solving the Forward Kinematic Problem of the 3‐R RS Parallel Manipulator

J Gallardo-Alvarado - Mathematical Problems in Engineering, 2019 - Wiley Online Library
The forward kinematic problem (FKP) of the 3‐RRS parallel manipulator is solved by means
of the Newton‐homotopy continuation method. The closure equations are formulated in the …

CGA-Based approach to direct kinematics of parallel mechanisms with the 3-RS structure

Y Zhang, X Kong, S Wei, D Li, Q Liao - Mechanism and Machine Theory, 2018 - Elsevier
This paper presents a unified geometric modeling and solution procedure for direct
kinematic analysis of a class of parallel mechanisms based on conformal geometric algebra …

Kinematic effects of number of legs in 6-DOF UPS parallel mechanisms

MH Abedinnasab, F Farahmand, B Tarvirdizadeh… - Robotica, 2017 - cambridge.org
In this paper, we study the kinematic effects of number of legs in 6-DOF UPS parallel
manipulators. A group of 3-, 4-, and 6-legged mechanisms are evaluated in terms of the …

An approach to solving the forward kinematics of the 5-RPUR (3T2R) parallel manipulator

J Gallardo-Alvarado, MA Garcia-Murillo… - Journal of Mechanical …, 2023 - Springer
This work is devoted to simplifying the formulation and solution of the closure equations
associated with the forward kinematic problem (FKP) of the 5-RPUR parallel manipulator, a …

Construction and forward kinematics of a novel reconfigurable parallel mechanism

Y Zhang, D Li, K Dong, L Fan… - Proceedings of the …, 2024 - journals.sagepub.com
In this paper, a kind of hybrid kinematics chain with variable constraints is constructed by
using a 6R spatial bifurcated chain and 4-DOF serial limbs, by using them, a 3-DOF …

Screw theory-based mobility analysis and projection-based kinematic modeling of a 3-CRRR parallel manipulator

AA Nazari, A Hasani, M Beedel - Journal of the Brazilian Society of …, 2018 - Springer
Forward kinematics analysis of parallel manipulators requires solving highly complicated
nonlinear equations, which deriving a closed-form solution is often a real challenge. Being …

Kinematics of the 4-RUU parallel manipulator generator of the Schönflies motion by means of screw theory

J Gallardo-Alvarado, MA García-Murillo… - Journal of Mechanical …, 2017 - Springer
This work deals with the inverse–forward kinematic analysis of a symmetric parallel
manipulator equipped with a rotary actuator generator of three independent translations and …

Kinematics of the 3RRRS+S Parallel Wrist: A Parallel Manipulator Free of Intersecting Revolute Axes#

J Gallardo-Alvarado, MA García-Murillo… - … Based Design of …, 2013 - Taylor & Francis
In this article, some relevant kinematic properties of a spherical parallel manipulator with
orientational actuators and without intersecting revolute axes are investigated mainly by …

A 2 (3-RRPS) parallel manipulator inspired by Gough–Stewart platform

J Gallardo-Alvarado, MA García-Murillo… - Robotica, 2013 - cambridge.org
This study addresses the kinematics of a six-degrees-of-freedom parallel manipulator whose
moving platform is a regular triangular prism. The moving and fixed platforms are connected …