Frictional impact-contacts in multiple flexible links

M Ahmadizadeh, AM Shafei, R Jafari - International Journal of …, 2021 - World Scientific
Multiple impacts of 2D (planar) open-loop robotic systems composed of n elastic links and
revolute joints are studied in this paper. The dynamic equations of motion for such systems …

Evolutionary algorithms-based multi-objective optimal mobile robot trajectory planning

V Sathiya, M Chinnadurai - Robotica, 2019 - cambridge.org
In this research study, trajectory planning of mobile robot is accomplished using two
techniques, namely, a new variant of multi-objective differential evolution (heterogeneous …

[HTML][HTML] Dynamic response of Timoshenko beam under moving mass

SE Azam, M Mofid, RA Khoraskani - Scientia Iranica, 2013 - Elsevier
In this article, the dynamic responses of a Timoshenko beam subjected to a moving mass,
and a moving sprung mass are analyzed. By making recourse to Hamilton's principle …

A novel recursive formulation for dynamic modeling and trajectory tracking control of multi-rigid-link robotic manipulators mounted on a mobile platform

AM Shafei, H Mirzaeinejad - … , Part I: Journal of Systems and …, 2021 - journals.sagepub.com
This article establishes an innovative and general approach for the dynamic modeling and
trajectory tracking control of a serial robotic manipulator with n-rigid links connected by …

Systematic modeling of a chain of N-flexible link manipulators connected by revolute–prismatic joints using recursive Gibbs-Appell formulation

MH Korayem, AM Shafei, SF Dehkordi - Archive of applied mechanics, 2014 - Springer
The main intent of this paper is to represent a systematic algorithm capable of deriving the
equations of motion of N-flexible link manipulators with revolute–prismatic joints. The …

[HTML][HTML] Motion equation of nonholonomic wheeled mobile robotic manipulator with revolute–prismatic joints using recursive Gibbs–Appell formulation

MH Korayem, AM Shafei - Applied Mathematical Modelling, 2015 - Elsevier
The main intent of this paper is to represent a symbolic algorithm, capable of deriving the
equations of motion of N-rigid link manipulators with revolute–prismatic (R–P) joints, which …

Theoretical and experimental investigation of viscoelastic serial robotic manipulators with motors at the joints using Timoshenko beam theory and Gibbs–Appell …

MH Korayem, AM Shafei… - Proceedings of the …, 2016 - journals.sagepub.com
In this article, the mathematical modeling of n-viscoelastic-link robotic manipulators based
on the Gibbs–Appell formulation and the assumed mode method is developed. The elastic …

A recursive algorithm for dynamics of multiple frictionless impact-contacts in open-loop robotic mechanisms

M Ahmadizadeh, AM Shafei, M Fooladi - Mechanism and Machine Theory, 2020 - Elsevier
In this paper, the phenomenon of multiple impact-contacts has been dynamically modeled
for an open kinematic chain with rigid links and revolute joints. The dynamic equations of the …

Derivation of motion equation for mobile manipulator with viscoelastic links and revolute–prismatic flexible joints via recursive Gibbs–Appell formulations

MH Korayem, SF Dehkordi - Robotics and Autonomous Systems, 2018 - Elsevier
This paper investigates the dynamic equations of an N-flexible link manipulator with revolute–
prismatic joints while considering the effects of manipulator locomotion by the mobile …

An efficient finite element formulation of dynamics for a flexible robot with different type of joints

CA My, DX Bien, CH Le, M Packianather - Mechanism and Machine Theory, 2019 - Elsevier
If two adjacent links of a flexible robot are connected via a revolute joint or a fixed prismatic
joint, the relative motion of the next link will depend on both the joint motion and the elastic …