Dynamic modeling and fuzzy compensation sliding mode control for flexible manipulator servo system

D Shang, X Li, M Yin, F Li - Applied Mathematical Modelling, 2022 - Elsevier
The flexible manipulator servo system considering the second-order modal and two-
dimensional deformation is too complicated, which is not conducive to real-time control. In …

Dynamic modeling and control for dual-flexible servo system considering two-dimensional deformation based on neural network compensation

D Shang, X Li, M Yin, F Li - Mechanism and machine theory, 2022 - Elsevier
A variable-length dual-flexible servo system is a complex nonlinear system that consists of a
servo motor, a flexible joint, and a variable-length flexible load. In order to describe the …

Vibration suppression for two-inertia system with variable-length flexible load based on neural network compensation sliding mode controller and angle-independent …

D Shang, X Li, M Yin, F Li - IEEE/ASME Transactions on …, 2022 - ieeexplore.ieee.org
The two-inertia system with variable-length flexible load (TSVFL) is a typical dynamic model
uncertain system. It is affected by transmission flexibility, flexible load length variation, and …

Tracking control strategy for space flexible manipulator considering nonlinear friction torque based on adaptive fuzzy compensation sliding mode controller

D Shang, X Li, M Yin, F Li - Advances in Space Research, 2023 - Elsevier
Abstract Space flexible manipulator (SFM) is one of the most promising development
directions of space mechanism, which is attributed to more and more spacecraft on-orbit …

High-frequency line-of-sight jitter rejection via an extended Youla-Kucera parameterization controller in segmented diffractive telescope—Theory and experiment

Y Ruan, T Tang, Z Peng - Mechanical Systems and Signal Processing, 2023 - Elsevier
Line-of-sight jitter caused by mechanical vibrations and disturbances in the transmission
medium seriously damages the imaging performance in telescope systems. This paper …

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 …

Vibration suppression method for dual-flexible manipulator considering bearing friction based on nonlinear disturbance observer

D Shang, X Li, M Yin, F Li - Journal of Mechanical Science and …, 2024 - Springer
A manipulator that contains both flexible joints and flexible loads is called a dual-flexible
manipulator, whose vibration is affected by bearing friction torque and double flexibilities …

Speed control strategy of dual flexible servo system considering time‐varying parameters for flexible manipulator with an axially translating arm

D Shang, X Li, M Yin, F Li - Asian Journal of Control, 2023 - Wiley Online Library
Many factors lead to fluctuations of output speed in the motor side during the movement
processes in a flexible manipulator with an axially translating arm. These factors include the …

Transmission characteristics analysis and disturbance compensation control strategy for two-inertia system with a flexible link

D Shang, X Li, M Yin, F Li - Journal of the Brazilian Society of Mechanical …, 2023 - Springer
In the process of rotation, a two-inertia system with a flexible link (TISFL) will have the
phenomenon of output speed fluctuation under the influence of flexible factors and external …

[HTML][HTML] Speed fluctuation suppression strategy of servo system with flexible load based on pole assignment fuzzy adaptive PID

X Liu, Y Wang, M Wang - Mathematics, 2022 - mdpi.com
Flexible load is widely used in servo systems, and will cause nonlinear displacement and
vibration of the system and then cause speed fluctuations in the servo system motor. In order …