Modeling and control of robotic manipulators based on artificial neural networks: a review

Z Liu, K Peng, L Han, S Guan - Iranian Journal of Science and Technology …, 2023 - Springer
Recently, robotic manipulators have been playing an increasingly critical part in scientific
research and industrial applications. However, modeling of robotic manipulators is …

The effects of mode shapes on the temporal response of flexible closed-loop linkages under the impulse excitation

AM Shafei, MM Riahi - Mechanical Systems and Signal Processing, 2022 - Elsevier
In this paper, by relying on the Timoshenko beam theory and the assumed modes method,
we have presented a dynamic modeling of the closed-loop flexible linkages in the non …

Kinetics of planar constrained robotic mechanisms with multiple closed loops: An experimental study

A Zahedi, AM Shafei, M Shamsi - Mechanism and Machine Theory, 2023 - Elsevier
This paper presents a direct and straightforward approach for deriving the kinetic equations
of the planar mechanisms comprising multiple kinematic closed loops. What distinguishes …

Dynamic modeling and fuzzy adaptive control strategy for space flexible robotic arm considering joint flexibility based on improved sliding mode controller

D Shang, X Li, M Yin, F Li - Advances in Space Research, 2022 - Elsevier
Abstract Space flexible robotic arms can be installed on space stations or spacecraft to
perform on-orbit tasks such as capturing artificial satellites, removing space debris, and …

Application of hybrid robotic systems in crop harvesting: kinematic and dynamic analysis

A Zahedi, AM Shafei, M Shamsi - Computers and Electronics in Agriculture, 2023 - Elsevier
Harvesting of agricultural crops, especially when the ripe products have to be picked one by
one, has always been a major concern of farmers and growers. Consequently, the use of …

Dynamic modeling and neural network compensation for dual-flexible servo system with an underactuated hand

D Shang, X Li, M Yin, F Li - Journal of the Franklin Institute, 2023 - Elsevier
This paper investigates a difficult problem of nonlinear dynamics and motion control of a
dual-flexible servo system with an underactuated hand (DFSS-UH). Variation in gras** …

On the dynamics of multi-closed-chain robotic mechanisms

A Zahedi, AM Shafei, M Shamsi - International Journal of Non-Linear …, 2022 - Elsevier
Here, a recursive technique based on the Gibbs–Appell (G–A) and the Newton's impact
formulas for dynamic modeling of multi-closed-loop mechanisms has been presented. Each …

Neural network model identification control of dual-inertia system with a flexible load considering payload mass variation and nonlinear deformation

D Shang, X Li, M Yin, F Li - Engineering Applications of Artificial …, 2024 - Elsevier
The dual-inertia system with a flexible load (DSFL) is a complex nonlinear model, which
originates from the flexible load deformation and payload mass variation. In dynamic …

Interaction force modeling and analysis of the human–machine kinematic chain based on the human–machine deviation

X Zhou, Z Duan - Scientific Reports, 2023 - nature.com
A mechanical model for a human–machine interaction force based on the man–machine
kinematic chain is established. This is combined with screw theory and a virtual rigid body …

A new method for finding the proper initial conditions in passive locomotion of bipedal robotic systems

R Fazel, AM Shafei, SR Nekoo - Communications in Nonlinear Science and …, 2024 - Elsevier
In this paper, the walking motion of a biped robot consisting of upper and lower body
members (arms, legs, upper trunk and neck) on an inclined surface is analyzed …