Active control for stick-slip behavior of the marine propeller shaft subjected to friction-induced vibration

Q Huang, Z Xie, H Liu - Ocean Engineering, 2023 - Elsevier
A stable rotational speed of the marine propeller shaft is essential to minimize the friction of
the supporting bearings and to improve the efficiency of the power system. While, the friction …

Motion control of hydraulic actuators with nonlinear friction compensation: Applied to variable valve systems of diesel engine

J Li, Y Lu, F He, L Miao - ISA transactions, 2023 - Elsevier
Friction force plays an important role in motion control systems. Research shows that friction
force is strongly nonlinear in most applications. And the nonlinear friction force has great …

An improved parameter identification algorithm for the friction model of electro-hydraulic servo systems

J Liao, F Zhou, J Zheng - Sensors, 2023 - mdpi.com
Friction is an inherent nonlinear disturbance that can lead to creeping, jitter, and decreased
tracking precision in an electro-hydraulic servo system. In this paper, the LuGre friction …

Research on neural network model reference adaptive disturbance rejection control of digital hydraulic cylinder

S Jiang, H Wang, G Zhao - Advances in Mechanical …, 2022 - journals.sagepub.com
The nonlinear factors in the digital hydraulic cylinder will reduce the accuracy of the control
system. In order to improve the control accuracy of the control system, in this paper, a model …

Analysis of Bandwidth Expansion and Interference Suppression of Digital Hydraulic Cylinder System

H Yu, H Wang, C Guo - International Journal of Control, Automation and …, 2024 - Springer
This paper concentrates on digital hydraulic cylinder systems' interference suppression and
bandwidth expansion problems. The goals are to ensure the system's stability and improve …

[PDF][PDF] Friction Compensated Force Control of Electro-Hydraulic System Using Fuzzy Controller.

W Chanbua, U Pinsopon - … Journal of Intelligent Engineering & Systems, 2022 - inass.org
Steady state and dynamic LuGre friction models of an electro-hydraulic system were
constructed. Indirect electro-hydraulic cylinder force control under friction compensated PID …

A Double Closed-Loop Digital Hydraulic Cylinder Position System Based on Global Fast Terminal Sliding Mode Active Disturbance Rejection Control

S Jiang, F Huang, W Liu, Y Huang, Y Chen - IEEE Access, 2024 - ieeexplore.ieee.org
Due to the coupling of multiple nonlinear factors in the position control system of the double
closed-loop digital hydraulic cylinder, achieving precise and stable control of complex …

Mitigating Low-Speed Crawling and Jitter in Telescopic Hydraulic Cylinders Through Stick-Slip Dynamics Analysis and Friction Reduction Strategies

Z Ma, D Huang, S Lu, E Zhang, Y Wu… - Journal of …, 2025 - asmedigitalcollection.asme.org
This study investigates the mechanisms of jittering in telescopic cylinders and proposes
effective mitigation strategies. The focus is on the dynamic behavior of hydraulic cylinders …

Adaptive Friction Compensation for a Novel Two‐Axis Differential Microfeed System

A Wang, X Feng, D Wang, P Li, Z Xu - Shock and Vibration, 2022 - Wiley Online Library
The conventional drive feed system inevitably enters the nonlinear creep region at very low
speed. This seriously affects its low‐speed performance and tracking accuracy. The new two …

Online identification and feed-forward compensation of nonlinear friction in servo system based on RBF neural network model

Y Zhu, X Li, L Kong, T Zhang… - Transactions of the …, 2024 - cdnsciencepub.com
In this paper, an online identification and compensation method of nonlinear friction based
on radial basis function (RBF) neural network model is proposed for the influence of …