Results 21 to 30 of about 355 (157)

Active Disturbance Rejection Control of Permanent Magnet Synchronous Motor Based on RPLESO

Energies
In view of the problem of the low-speed jitter of household lawn mowers driven by a permanent magnet synchronous motor (PMSM) at low speeds and high torque, and the complicated parameters of traditional non-linear active disturbance rejection controllers,
Chengpeng Zhou, Bo Wang, Kai Liu, Kaixuan Ren   +3 more
doaj   +2 more sources

Predictive control of linear time-varying model for hydraulic erecting systems based on linear expanded state observer

Advances in Mechanical Engineering
By analyzing the deficiencies of existing hydraulic erecting systems (HESs) control methods, this study proposes a linear time-varying model predictive control (LTV-MPC) method based on the linear extended state observer (LESO) for HESs.
Dong Ma, Zhihao Liu, Qinhe Gao, Lei Gao
doaj   +2 more sources

Output Feedback Control of Dual-Valve Electro-Hydraulic Valve Based on Cascade Structure Extended State Observer Systems with Disturbance Compensation

Machines
In the development trend of intelligent and high-performance construction machinery, the dual-spool electro-hydraulic valve, as a new-generation core control element, directly affects the operation accuracy and energy-efficiency level of construction ...
Cunde Jia, Shaoguang Li, Xiangdong Kong, Hangtian Ma, Zhuowei Yu, Chao Ai, Yunhong Jiang   +6 more
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Linear Active Disturbance Rejection Control for DC Bus Voltage of Permanent Magnet Synchronous Generator Based on Total Disturbance Differential

Energies, 2019
The wind power grid-connected inverter system has nonlinear, strong coupling, and is susceptible to grid voltage fluctuations and nonlinear load effects.
Xuesong Zhou, Mao Liu, Youjie Ma, Bao Yang, Faqing Zhao   +4 more
doaj   +2 more sources

An Extend Sliding Mode Disturbance Observer for Optical Inertial Platform Line-of–Sight Stabilized Control

Machines
As the imaging distance and focal length of photoelectric systems increase, the requirements for line-of–sight stabilization of optical inertial stabilized platforms (ISPs) become higher.
Sansan Chang, Di Yang, Jianzhong Cao, Xiang Li   +3 more
doaj   +2 more sources

LESO-Based Nonlinear Continuous Robust Stabilization Control of Underactuated TORA Systems

Actuators, 2022
In this paper, we consider the robust stabilization control problem of underactuated translational oscillator with a rotating actuator (TORA) system in the presence of unknown matched disturbances by employing continuous control inputs.
Yihao Wang, Changzhong Pan, Jinsen Xiao, Zhijing Li, Chenchen Cui   +4 more
doaj   +2 more sources

Attitude Control of Small Fixed−Wing UAV Based on Sliding Mode and Linear Active Disturbance Rejection Control

Drones
A combined control method integrating Linear Active Disturbance Rejection Control (LADRC) and Sliding Mode Control (SMC) is proposed to mitigate model uncertainty and external disturbances in the attitude control of fixed−wing unmanned aerial vehicles ...
Bohao Wang, Yuehao Yan, Xingzhong Xiong, Qiang Han, Zhouguan Li   +4 more
doaj   +2 more sources

Fuzzy linear extended states observer‐based iteration learning fault‐tolerant control for autonomous underwater vehicle trajectory‐tracking system

IET Control Theory & Applications, 2023
To deal with thrusters’ faults of autonomous underwater vehicle (AUV), an iterative learning algorithm fault‐tolerant control (FTC) based on the linear extended states observer (LESO) is proposed. In this control scheme, the non‐linear feedback mechanism
Chao Hou, XiaoGang Li, Hongbo Wang, Peng Zhai, Hao Lu   +4 more
doaj   +1 more source

Active disturbance rejection control based on inertia estimation and variable gain for servomechanism of industrial robot

Measurement + Control, 2022
This paper proposes an adaptive PID controller based on linear extended state observer (LESO) for the two-degree-of-freedom joint servomechanism of industrial robot with time-varying load, uncertainties of parameters and disturbance.
Wei Jiang, Dafang Chen, Ying Zheng, Xinguo Qiu, Chen Wang   +4 more
doaj   +1 more source

Linear-Extended-State-Observer Based Pinning Control of Nonlinear Multi-Robots System

IEEE Access, 2020
In this paper, the pinning control problem of nonlinear multi-robots system (MRS) is investigated. By introducing Linear-Extended-State-Observer (LESO) approach, a LESO based pinning control algorithm is proposed for the multi-robots system with non ...
Zhengguang Ma, Yongfei Xiao, Peng Wang, Yongguo Zhao   +3 more
doaj   +1 more source