Results 1 to 10 of about 355 (157)

Static-Errorless Rotor Position Estimation Method Based on Linear Extended State Observer for IPMSM Sensorless Drives

Energies, 2022
This article presents a static-errorless rotor position estimation method based on the linear extended state observer (LESO) for interior permanent magnet synchronous motor (IPMSM) drives. Two second-order LESOs are utilized to estimate the α-β axis back-
Feng Jiang, Fan Yang, Songjun Sun, Kai Yang   +3 more
doaj   +4 more sources

Analysis and Control of Wind Power Grid Integration Based on a Permanent Magnet Synchronous Generator Using a Fuzzy Logic System with Linear Extended State Observer

Energies, 2019
Recently, wind energy conversion systems (WECSs) have attracted attention due to their effective application in renewable energy sources. It is a complex system with multi-variables, strong coupling, non-linearity, and variable parameters; however ...
Youjie Ma, Long Tao, Xuesong Zhou, Wei Li, Xueqi Shi   +4 more
doaj   +4 more sources

Sliding Mode Control Based on High-Order Linear Extended State Observer for Near Space Vehicle

International Journal of Aerospace Engineering, 2021
Aiming at the uncertainty and external disturbance sensitivity of the near space vehicles (NSV), a novel sliding mode controller based on the high-order linear extended state observer (LESO) is designed in this paper.
Ouxun Li, Ju Jiang, Li Deng, Shutong Huang   +3 more
doaj   +2 more sources

Iterative Learning Control for AGV Drive Motor Based on Linear Extended State Observer

Machines, 2021
In order to solve the problems of repetitive and non-repetitive interference in the workflow of Automated Guided Vehicle (AGV), Iterative Learning Control (ILC) combined with linear extended state observer (LESO) is utilized to improve the control ...
Wei Jiang, Gang Zhu, Ying Zheng
doaj   +2 more sources

Adaptive Interval Type-2 Fuzzy Neural Network Sliding Mode Control of Nonlinear Systems Using Improved Extended State Observer

Mathematics, 2023
An adaptive sliding mode control (ASMC) based on improved linear extended state observer (LESO) is proposed for nonlinear systems with unknown and uncertain dynamics.
Lunhaojie Liu, Juntao Fei, Xianghua Yang
doaj   +2 more sources

Linear Extended State Observer-Based Motion Synchronization Control for Hybrid Actuation System of More Electric Aircraft

Sensors, 2017
Moving towards the more electric aircraft (MEA), a hybrid actuator configuration provides an opportunity to introduce electromechanical actuator (EMA) into primary flight control. In the hybrid actuation system (HAS), an electro-hydraulic servo actuator (
Xingjian Wang, Rui Liao, Cun Shi, Shaoping Wang   +3 more
doaj   +2 more sources

Anti-disturbance control design of Exoskeleton Knee robotic system for rehabilitative care [PDF]

Heliyon
In this study, Active Disturbance Rejection Control (ADRC) has been designed for motion control of knee-joint based on exoskeleton medical robot. The extended state observer (ESO) is the main part of ADRC structure, which is responsible for estimating ...
Ayad Qasim AL-DUJAILI, Alaq F. Hasan, Amjad J. Humaidi, Ammar Al-Jodah   +3 more
doaj   +2 more sources

A New Approach to Nonlinear State Observation for Affine Control Dynamical Systems [PDF]

Applied Sciences, 2023
In this work, a Nonlinear Higher Order Extended State Observer (NHOESO) is presented to replace the Linear Extended State Observer (LESO) used in Conventional Active Disturbance Rejection Control (C-ADRC) solutions.
Ahmad Taher Azar, Drai Ahmed Smait, Sami Muhsen, Moayad Abdullah Jassim, Asaad Abdul Malik Madhloom AL-Salih, Ibrahim A. Hameed, Anwar Ja’afar Mohamad Jawad, Wameedh Riyadh Abdul-Adheem, Vincent Cocquempot, Mouayad A. Sahib, Nashwa Ahmad Kamal, Ibraheem Kasim Ibraheem   +11 more
doaj   +2 more sources

Three-vector model predictive power control of doubly fed induction generator based on linear extended state observer under unbalanced grid

International Journal of Electrical Power & Energy Systems
Doubly-fed induction generator (DFIG) is susceptible to unbalanced grid voltage and mismatched motor parameters during grid-connected operation. The conventional model predictive control (MPC) has low complexity and fast dynamic response, which is widely
Hui Jin, Zhenxiong Zhou, Pingping Qu
doaj   +2 more sources

A Variable Parameter Method Based on Linear Extended State Observer for Position Tracking

Actuators, 2022
This paper presents a control strategy with a linear extended state observer (LESO) and Kalman filter to achieve a high performance of the motion control system.
Ying Zheng, Wei Jiang, Xinguo Qiu
doaj   +2 more sources