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Linear Active Disturbance Rejection Control From the Practical Aspects
IEEE/ASME Transactions on Mechatronics, 2018In this paper, important issues that could come up in practice of active disturbance rejection control (ADRC) due to a common assumption and some inevitable practical restrictions are investigated. The main idea behind ADRC is modeling effects of both internal uncertainties and external disturbances as an extra state called the total disturbance which ...
Behzad Ahi, Mohammad Haeri
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Non-linear active disturbance rejection control for upper limb rehabilitation exoskeleton
Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering, 2020Trajectory tracking in upper limb rehabilitation exercises is utilized for repeatability of joint movement to improve the patient’s recovery in the early stages of rehabilitation. In this article, non-linear active disturbance rejection control as a combination of non-linear extended-state observer and non-linear state error feedback is used for the ...
Aole, Sumit +4 more
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A generalized active disturbance rejection control approach for linear systems
2015 IEEE 10th Conference on Industrial Electronics and Applications (ICIEA), 2015A generalized active disturbance rejection control (ADRC) approach is proposed for general linear systems. The method follows the idea of the conventional ADRC by using extended state observer (ESO) to estimate the generalized disturbance and using it in the feedback control to attenuate it quickly.
Rong Zhou, Wen Tan
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Linear active disturbance rejection control of quadrotor's altitude and attitude
2017 32nd Youth Academic Annual Conference of Chinese Association of Automation (YAC), 2017The problem of how to control a quadrotor is investigated. A nonlinear model of the quadrotor is derived with Newton-Euler formulation and then simplified. With the simplified model, Linear Active Disturbance Rejection Control (LADRC) is used to control the altitude and attitude of the quadrotor.
Bo Ye, Weiyao Lan, Huiyu Jin, Cao Huang
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Stability of sampled-data linear active disturbance rejection control: A classical control approach
2017 13th IEEE International Conference on Control & Automation (ICCA), 2017Stability of continuous-time and sampled-data LADRC is investigated with classical control approach. For the second-order uncertain LTI plant, the LADRC is described as an interconnection structure. Then sufficient conditions to guarantee continuous-time and sampled-data LADRC stabilizing the plant are proved respectively, while in proving the main ...
Huiyu Jin +3 more
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Linear Active Disturbance Rejection Control for Fast Nuclear Reactor
Volume 1: Operations and Maintenance, Engineering, Modifications, Life Extension, Life Cycle and Balance of Plant; I&C, Digital Controls, and Influence of Human Factors, 2017Since dynamics of a fast nuclear power reactor is quite nonlinear, uncertain and time-varying. Moreover, the reactor period depends on the neutron lifetime and it has a crucial importance in reactor power so it is necessary to have a control system for the reactor power.
Liu Feng-ming +7 more
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A linear active disturbance rejection control approach for near space vehicle autopilot
2015 International Conference on Control, Automation and Information Sciences (ICCAIS), 2015The conventional PID controller parameters are difficult to be decided on the dynamics of the near space vehicle within a large flight envelope. In this study, a linear active disturbance rejection control approach is proposed. The model perturbation is estimated by the extended state observer, and then the error of closed-loop system is compensated by
Hui Li +4 more
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On the Stability of Linear Active Disturbance Rejection Control
Acta Automatica Sinica, 2014Zeng-Qiang CHEN +2 more
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Design of an adaptive linear active disturbance rejection controller
Optics and Precision Engineering, 2018奚静思 XI Jing-si +2 more
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