NDLI: Backstepping active disturbance rejection control: a delayed activation approach

Content Provider	IET Digital Library
Author	Ran, Maopeng Wang, Qing Dong, Chaoyang Hou, Yanze Wang, Zhaolei
Abstract	This study provides a solution to the problem of applying the active disturbance rejection control (ADRC) approach to the tracking control of pure feedback non-linear systems with large uncertainties. The design is based on the backstepping technique, and in each step two extended state observers (ESOs) are designed, one to approximate the derivative of the virtual control generated from the last step, while the other to estimate the system uncertainty. A key feature of the developed backstepping ADRC is that the activations of the ESOs are delayed successively. It is proved that under the new backstepping scheme, the closed-loop signals are guaranteed to be semi-globally uniformly ultimately bounded and the output tracking error can be made arbitrarily small.
Starting Page	2336
Ending Page	2342
Page Count	7
ISSN	17518644
Volume Number	11
e-ISSN	17518652
Issue Number	Issue 14, Sep (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-cta/11/14
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-cta.2016.1533
Journal	IET Control Theory & Applications
Publisher Date	2017-05-31
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Active Disturbance Rejection Control ADRC Approach Backstepping Active Disturbance Rejection Control Closed Loop System Closed-loop Signal Control Nonlinearities Delay System Delayed Activation Approach Distributed Parameter Control System ESOs Extended State Observers Modelling And Identification Nonlinear Control System Observers Output Tracking Error Pure Feedback Nonlinear System Simulation Stability in Control Theory State Feedback System Uncertainty Tracking Control Uncertain System Virtual Control
Content Type	Text
Resource Type	Article
Subject	Control and Optimization Control and Systems Engineering Human-Computer Interaction Electrical and Electronic Engineering Computer Science Applications

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