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S. F. Dehkordi

Researcher at Iran University of Science and Technology

Publications -  22
Citations -  272

S. F. Dehkordi is an academic researcher from Iran University of Science and Technology. The author has contributed to research in topics: Equations of motion & Revolute joint. The author has an hindex of 6, co-authored 22 publications receiving 129 citations.

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

TL;DR: In this paper, a systematic algorithm capable of deriving the equations of motion of N-flexible link manipulators with revolute-prismatic joints is presented, which is based on the Euler-Bernoulli beam theory and the assumed mode method.
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Derivation of motion equation for mobile manipulator with viscoelastic links and revolute–prismatic flexible joints via recursive Gibbs–Appell formulations

TL;DR: The Gibbs–Appell formulation is utilized as an alternative to the Lagrange equations to facilitate the process of deriving the motion equations and the non-dimensional form of the Timoshenko beam theory mode shapes is recommended to circumvent the computation of time step mode shapes.
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Dynamic modeling of flexible cooperative mobile manipulator with revolute-prismatic joints for the purpose of moving common object with closed kinematic chain using the recursive Gibbs–Appell formulation

TL;DR: The main objective is to develop the dynamics of closed kinematic cooperative manipulators by defining constraints in mobile form while considering the geometric dimensions of the common object instead of assuming a concentrated mass in the gripper as the application of manipulator with flexible links and revolute-prismatic joints in the constrained cooperative mobile form.
Journal ArticleDOI

Derivation of dynamic equation of viscoelastic manipulator with revolute–prismatic joint using recursive Gibbs–Appell formulation

TL;DR: In this paper, the motion analysis of a viscoelastic manipulator with N-flexible revolute-prismatic joints is studied with the help of a systematic algorithm.
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Dynamic modeling and extended bifurcation analysis of flexible-link manipulator

TL;DR: The outcomes indicate that when there is no offset, the decrease in damping results in chaotic generalized modal coordinates, and as the excitation frequency decreases, a limiting amplitude is created at 0.35 before which the behavior of generalized rigid and modal coordinate is different, while this behavior has more similarity after this point.