Results 51 to 60 of about 930 (124)

A Pole-Placement-Based Variable-Gain Observer for Precision Motion Stages: Addressing the Disturbance-Noise Trade-Off

Actuators
Accurate pattern transfer in the lithography process demands extreme positioning accuracy. However, various external disturbances acting on the wafer stage can lead to positioning errors.
Aichen Wu, Xipeng Wu, Fazhi Song, Pengyu Sun, Jiubin Tan   +4 more
doaj   +1 more source

Command-Filtered Backstepping Control Algorithm for Quadrotor AAVs Based on Extended State Observer

IEEE Access
This paper proposes an extended state observer (ESO)-based command-filtered backstepping control (CFBC) framework for quadrotor autonomous aerial vehicles (AAVs) subject to external disturbances, parametric uncertainties, and incomplete state ...
Pham Quoc Khanh, Ha Le Nhu Ngoc Thanh, Truong Nguyen Luan Vu, Vo Lam Chuong   +3 more
doaj   +1 more source

Fault Diagnosis of Nonlinear Uncertain Systems with Triangular Form

Journal of Control Science and Engineering, 2017
A novel approach to fault diagnosis for a class of nonlinear uncertain systems with triangular form is proposed in this paper. It is based on the extended state observer (ESO) of the active disturbance rejection controller and linearization of dynamic ...
Qi Ding, Xiafu Peng, Xunyu Zhong, Xiaoqiang Hu   +3 more
doaj   +1 more source

A Speed Tracking Method for Autonomous Driving via ADRC with Extended State Observer

Applied Sciences, 2019
This paper proposes the extended state observer (ESO)-based active disturbance rejection control (ADRC) for the speed tracking of an autonomous vehicle.
Shuo Xiong, Hui Xie, Kang Song, Guohui Zhang   +3 more
doaj   +1 more source

A Modified ADRC Scheme Based on Model Information for Maglev Train

Actuators
During the operation of maglev trains, they are subjected to various disturbances. The presence of these disturbances presents a significant challenge for attaining high-performance control and even poses the risk of system instability.
Hao Wang, Zhiqiang Wang, Zhiqiang Long
doaj   +1 more source

ESO-Based Direct Model-Free Adaptive Predictive Compensation Control for Permanent Magnet Synchronous Motors

IEEE Access
For a class of permanent magnet synchronous motors (PMSM) characterized by strong coupling, significant nonlinearity, load uncertainties, and external disturbances, this paper investigates an extended state observer-based direct model-free adaptive ...
Yang Liu, Guangxu Zhou, Lei Guo, Zibo Sun   +3 more
doaj   +1 more source

A novel MPTC sensorless control strategy for ANFTSMC with ESO to control PMSM

Journal of Measurement Science and Instrumentation, 2021
Aiming at the problem that the traditional control strategy of permanent magnet synchronous motor（PMSM）for electric vehicles has low control performance,a novel adaptive non-singular fast terminal sliding mode control（ANFTSMC）model predictive torque ...
ZHANG Bin, WU Xiaoliang, YANG Jianfeng, YANG Ping, SUN Xuewei   +4 more
doaj  

Research on Active Disturbance Rejection-Based Control Technology for Agricultural Permanent Magnet Synchronous Motors

Agriculture
The electrification of agricultural machinery has become an important trend. Active Disturbance Rejection Control (ADRC) shows considerable potential in agricultural motor control due to its low model dependence and strong anti-disturbance capability ...
Xiaobin Sun, Hongbin Yin, Yan Chen, Mingyang Luo, Xiaojun Wang, Wenjing Hu   +5 more
doaj   +1 more source

Vibration Control of a Semiactive Vehicle Suspension System Based on Extended State Observer Techniques

Journal of Applied Mathematics, 2014
A feedback control method based on an extended state observer (ESO) method is implemented to vibration reduction in a typical semiactive suspension (SAS) system using a magnetorheological (MR) damper as actuator.
Ze Zhang, Hamid Reza Karimi, Hai Huang, Kjell G. Robbersmyr   +3 more
doaj   +1 more source

High-Precision Low-Speed Measurement for Permanent Magnet Synchronous Motors Using an Improved Extended State Observer

World Electric Vehicle Journal
High-precision speed measurement at low speeds in PMSM drives is hindered by encoder quantization noise. This paper proposes an enhanced extended state observer (ESO)-based method to overcome limitations of conventional approaches such as direct ...
Runze Ji, Kai Liu, Yingsong Wang, Rana Md Sohel   +3 more
doaj   +1 more source