Results 1 to 10 of about 941 (202)

Adaptive LADRC Parameter Optimization in Magnetic Levitation [PDF]

IEEE Access, 2021
In this study, an adaptive linear active disturbance rejection control is proposed to achieve steady levitation of the magnetic levitation ball. The proposed algorithm was designed and its convergence was proven via derivation.
Qinghua Ouyang, Kuangang Fan, Yahui Liu, Na Li   +3 more
doaj   +2 more sources

A triple-step controller with linear active disturbance rejection control for a lower limb rehabilitation robot [PDF]

Frontiers in Neurorobotics, 2022
Lower limb rehabilitation robots (LLRRs) have shown promising potential in assisting hemiplegic patients to recover their motor function. During LLRR-aided rehabilitation, the dynamic uncertainties due to human-robot coupling, model uncertainties, and ...
Huanfeng Peng, Huanfeng Peng, Jie Zhou, Jie Zhou, Rong Song, Rong Song   +5 more
doaj   +2 more sources

Study on Creepage Control for PLS-160 Wheel–Rail Adhesion Test Rig Based on LADRC [PDF]

Sensors, 2023
Aiming at the problem of low control accuracy caused by nonlinear disturbances in the operation of the PLS-160 wheel–rail adhesion test rig, a linear active disturbance rejection controller (LADRC) suitable for the wheel–rail adhesion test rig was ...
Chun Tian, Gengwei Zhai, Yingqi Gao, Chao Chen, Jiajun Zhou   +4 more
doaj   +2 more sources

HFO-LADRC Lateral Motion Controller for Autonomous Road Sweeper. [PDF]

Sensors (Basel), 2020
How to make a controller robust and stable to reject the disturbance of uncertainty is an inevitable challenge. Aiming at addressing the lateral control problem for an autonomous road sweeper, a heading-error-based first order linear active disturbance rejective controller (HFO-LADRC) is proposed in this paper.
Zeng D, Yu Z, Xiong L, Fu Z, Li Z, Zhang P, Leng B, Shan F.   +7 more
europepmc   +5 more sources

Unified Accurate Attitude Control for Dual-Tiltrotor UAV with Cyclic Pitch Using Actuator Dynamics Compensated LADRC [PDF]

Sensors, 2022
This paper proposes a unified attitude controller based on the modified linear active disturbance rejection control (LADRC) for a dual-tiltrotor unmanned aerial vehicle (UAV) with cyclic pitch to achieve accurate attitude control despite its nonlinear ...
Zexin Wang, Yingxun Wang, Zhihao Cai, Jiang Zhao, Ningjun Liu, Yanqi Zhao   +5 more
doaj   +2 more sources

A high-speed MPPT based horse herd optimization algorithm with dynamic linear active disturbance rejection control for PV battery charging system [PDF]

Scientific Reports
This study first proposes an innovative method for optimizing the maximum power extraction from photovoltaic (PV) systems during dynamic and static environmental conditions (DSEC) by applying the horse herd optimization algorithm (HHOA).
AL-Wesabi Ibrahim, Jiazhu Xu, Imad Aboudrar, Khaled Alwesabi, Li danhu, Hassan Z. Al Garni, Elhachemi Mammeri, Hossam Kotb, Mohit Bajaj, Shir Ahmad Dost Mohammadi   +9 more
doaj   +2 more sources

Research on LADRC of Grid-Connected Inverter Based on LCCL

Energies, 2022
A grid-connected inverter’s stability is easily influenced by the system’s internal and external characteristics, especially when the grid-connected inverter is connected to the grid by an LCL filter, which complicates the system design and operating ...
Guofeng He, Guanxu Chen, Yanfei Dong, Guojiao Li, Wenjie Zhang   +4 more
doaj   +2 more sources

Inhibition of Subsynchronous Oscillation of Direct-Drive Wind Turbine by Improved LADRC in Weak Grids

Zhongguo dianli, 2023
As the direct-drive wind turbine generator system (WTGS) causes subsynchronous oscillation (SSO) in weak grids, this paper proposes the differential feed-forward linear active disturbance rejection control (LADRC) based on the first-order total ...
Bohao LI, Kunli GUO, Jiajun LV, Weizheng CAI, Luhao LIU, Fengyi LIU, Yifan HAO   +6 more
doaj   +1 more source

Improved Fractional-Order Extended State Observer-Based Hypersonic Vehicle Active Disturbance Rejection Control

Mathematics, 2022
In this work, a novel fractional-order extended state observer (FOESO)-based linear active disturbance rejection control (LADRC) method is firstly proposed for a hypersonic vehicle (HV) to address the measurement noise problem.
Mingfei Zhao, Yunlong Hu, Jia Song
doaj   +1 more source

Application of Gap Metric to LADRC Design in Multilinear Model of SDR

International Journal of Aerospace Engineering, 2022
The solid ducted rocket ramjet (SDR) system faces many disturbances in the process of operation, and the linear active disturbance rejection controller (LADRC) has been widely used in engineering to solve such problems.
Hongfu Wang, Qinghua Zeng, An Wang, Zongyu Zhang   +3 more
doaj   +1 more source