Structural parameter identification for 6 DOF industrial robots

G Gao, G Sun, J Na, Y Guo, X Wu - Mechanical Systems and Signal …, 2018 - Elsevier
To decrease the movement uncertainty of industrial robots, a parameter identification
method based on the Denavit-Hartenberg (DH) model is presented in this paper, where the …

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 grasping …

Fast terminal sliding mode tracking control of nonlinear uncertain mass–spring system with experimental verifications

S Amirkhani, S Mobayen, N Iliaee… - International …, 2019 - journals.sagepub.com
In this article, a fast terminal sliding mode control technique is used for robust tracking
control of a nonlinear uncertain mass–spring system in the existence of external …

A suppress-excite approach for online trajectory generation of uncertain motion systems

YM Al-Rawashdeh, M Al Janaideh… - Mechanical Systems and …, 2023 - Elsevier
We present a framework that allows designing point-to-point closed-form trajectories and
identifying flexible modes, jointly. The impulse response of a k-cascaded second-order …

Natural frequency of earthen dams at different induced strain levels

S Chakraborty, JT Das, AJ Puppala, A Banerjee - Engineering geology, 2019 - Elsevier
A method is proposed to estimate the degradation of the first natural frequency of vibration of
earthen dams with increase in strain levels induced due to seismic events. A synthesised …

Experimental evaluation of a method for improving experiment design in robot identification

SA Zimmermann, M Enqvist… - … on Robotics and …, 2023 - ieeexplore.ieee.org
The control system of industrial robots is often model-based, and the quality of the model of
high importance. Therefore, a fast and easy-to-use process for finding the model parameters …

Comparison of various input shaping methods in rest-to-rest motion of the end-effecter of a rigid-flexible robotic system with large deformations capability

H Ghorbani, K Alipour, B Tarvirdizadeh… - Mechanical Systems and …, 2019 - Elsevier
Motion control of flexible robots is one of the concerns of the researchers in the field of
robotics. When the deflection of the flexible arms increases, considerable complexity is …

[HTML][HTML] Using statistical linearization in experiment design for identification of robotic manipulators

SA Zimmermann, S Moberg, S Gunnarsson… - Control Engineering …, 2024 - Elsevier
It is shown how nonlinear joint stiffness in industrial robots can be determined quickly and
accurately through a combination of statistical linearization and optimized data acquisition …

Operational impact excitation method for milling robot end frequency response function identification under movement state and pose-dependent dynamic compliance …

X Tang, Z Li, R Yan, F Peng… - Journal of …, 2023 - asmedigitalcollection.asme.org
Robot milling has become an important means of machining large structural parts, and the
dynamic compliance of the robot end is the key factor affecting machining quality and …

[HTML][HTML] Partial-state feedback based dynamic surface motion control for series elastic actuators

J Wang, H Zhang, H Dong, J Zhao - Mechanical Systems and Signal …, 2021 - Elsevier
This paper aims to solve the motion control problem of the load side of the series elastic
actuator (SEA), whose complete dynamical model is a fourth-order system suffering from the …