Learning control for motion coordination in wafer scanners: toward gain adaptation

F Song, Y Liu, D Shen, L Li, J Tan - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Accurate pattern transfer in wafer scanners necessitates the wafer stage and the reticle
stage executing a coordinated motion with the synchronization error in terms of nanometers …

Global integral sliding-mode control with improved nonlinear extended state observer for rotary tracking of a hydraulic roofbolter

Z Zhang, Y Guo, D Gong, J Liu - IEEE/ASME Transactions on …, 2022 - ieeexplore.ieee.org
To effectively control the drilling of a hydraulic roofbolter is of importance because
inappropriate rotary speed may lead to the collapse of roof in a roadway. Two difficulties …

Composite adaptive synchronous control of dual-drive gantry stage with load movement

P Shi, X Yu, X Yang… - IEEE Open Journal …, 2023 - ieeexplore.ieee.org
In gantry systems, load usually moves according to different production tasks. The
continuous change of the beam centroid position is a non-negligible factor for achieving …

4-dof visual servoing of a robotic flexible endoscope with a predefined-time convergent and noise-immune adaptive neural network

Y Huang, W Li, X Zhang, J Li, Y Li, Y Sun… - IEEE/ASME …, 2023 - ieeexplore.ieee.org
Endoscopes provide views inside the patient's body during minimally invasive surgery.
Although various robotic endoscopes have been developed to reduce surgeons' workload in …

RBF neural network-based adaptive robust synchronization control of dual drive gantry stage with rotational coupling dynamics

P Shi, W Sun, X Yang - IEEE Transactions on Automation …, 2022 - ieeexplore.ieee.org
As a typical mechatronics system, dual drive gantry stage has been widely used in high-end
intelligent equipment. In this paper, an adaptive robust synchronization control scheme …

Iterative learning based neural network sliding mode control for repetitive tasks: With application to a PMLSM with uncertainties and external disturbances

W Liu, F Shu, Y Xu, R Ding, X Yang, Z Li… - Mechanical Systems and …, 2022 - Elsevier
The uncertainties, force ripple, friction and other external disturbances in permanent magnet
linear synchronous motors (PMLSMs) pose great challenges to the design of advanced …

Fuzzy-based controller synthesis and optimization for underactuated mechanical systems with nonholonomic servo constraints

X Chen, J Ma, H Sun, S Zhen, H Zhao… - … on Fuzzy Systems, 2022 - ieeexplore.ieee.org
This article investigates the trajectory tracking problem of underactuated mechanical
systems (UMSs) with companion nonholonomic servo constraints and uncertainties. For …

[HTML][HTML] Gain-Scheduled Sliding-Mode-Type Iterative Learning Control Design for Mechanical Systems

Q Yao, H Jahanshahi, S Bekiros, SF Mihalache… - Mathematics, 2022 - mdpi.com
In this paper, a novel gain-scheduled sliding-mode-type (SM-type) iterative learning (IL)
control approach is proposed for the high-precision trajectory tracking of mechanical …

Hybrid active–passive robust control framework of a flexure-joint dual-drive gantry robot for high-precision contouring tasks

W Wang, J Ma, X Li, H Zhu… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
For high-precision contouring tasks in a typical Cartesian motion system, multiaxis
cooperation is a long-standing challenging issue. Inevitably, various factors pose substantial …

[HTML][HTML] Adaptive nonsingular terminal sliding mode control of robot manipulator based on contour error compensation

Z Dachang, H Pengcheng, D Baolin, Z Puchen - Scientific Reports, 2023 - nature.com
To achieve accurate contour tracking of robotic manipulators with system uncertainties,
external disturbance and actuator faults, a cross-coupling contour adaptive nonsingular …