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 +11 more
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Anti-disturbance control design of Exoskeleton Knee robotic system for rehabilitative care [PDF]
HeliyonIn 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 +3 more
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Assistive Mobility Control of a Robotic Hip-Knee Exoskeleton for Gait Training [PDF]
Sensors, 2022 In this paper, we present an assistive mobility control for a robotic hip-knee exoskeleton intended for gait training. The robotic hip-knee exoskeleton is designed with an active flexion/extension and a passive abduction/adduction at each hip joint and ...
Chuan Changcheng +2 more
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Anti-Disturbance Compensation-Based Nonlinear Control for a Class of MIMO Uncertain Nonlinear Systems. [PDF]
Entropy (Basel), 2021 Multi-Inputs-Multi-Outputs (MIMO) systems are recognized mainly in industrial applications with both input and state couplings, and uncertainties. The essential principle to deal with such difficulties is to eliminate the input couplings, then estimate ...
Abdul-Adheem WR +7 more
europepmc +4 more sources
Robust Finite-Time Control for Guidance Law with Uncertainties in Missile Dynamics [PDF]
Journal of Aerospace Technology and ManagementIn this paper, the robust !nite-time control for impact angle guidance of missile dynamic system with uncertainties is investigated by combining linear extended state observer (LESO) and adaptive non-singular fast terminal sliding mode method. Specially
Fazhan Tao +4 more
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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 +3 more
doaj +1 more source
Nonlinear Extended State Observer based Active Disturbance Rejection Control of a Laser Seeker System [PDF]
, 2021 In this paper, the laser seeker control problem is solved in the framework of active disturbance rejection control (ADRC). The considered problem, which consists of laser seeker stabilisation and target tracking, is expressed here as a regulation problem.
Bujakovic, Dimitrije +5 more
core +2 more sources
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 +4 more
doaj +1 more source
Robust Sliding Mode Control for a 2-DOF Lower Limb Exoskeleton Base on Linear Extended State Observer [PDF]
, 2020 For the 2- Degree of Freedom (DOF) lower limb exoskeleton, to ensure the system robustness and dynamic performance, a linear-extended-state-observer-based (LESO) robust sliding mode control is proposed to not only reduce the influence of parametric ...
CHEN, Zhenlei +3 more
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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 +1 more source