Yet another tutorial of disturbance observer: robust stabilization and recovery of nominal performance

H Shim, G Park, Y Joo, J Back, NH Jo - Control Theory and Technology, 2016 - Springer
This paper presents a tutorial-style review on the recent results about the disturbance
observer (DOB) in view of robust stabilization and recovery of the nominal performance. The …

On relationship between time-domain and frequency-domain disturbance observers and its applications

J Su, WH Chen, J Yang - Journal of …, 2016 - asmedigitalcollection.asme.org
This paper provides a generic analysis of the relationship between time-and frequency-
domain disturbance observer (DOB) design methodology. It is discovered that the traditional …

Limited amplitude-disturbance observer control for backlash-containing electromechanical system

Z Yu, T Tang - IEEE Transactions on Industrial Electronics, 2023 - ieeexplore.ieee.org
This article presents a limited amplitude-disturbance observer (LADOB) as a means to
counteract transient disturbance dynamics in a nonlinear control system with backlash. The …

A robust tracking controller for robot manipulators: Embedding internal model of disturbances

W Ha, J Back - 2019 International conference on robotics and …, 2019 - ieeexplore.ieee.org
This paper presents a robust controller for uncertain robot manipulators subject to
disturbances which are composed of sinusoids. The controller employs the disturbance …

Reduced-Order Nominal Model Design and Validation For Task Space DOB-Based Motion Control of An Industrial Robot

K Samuel, K Haninger, S Oh… - 2023 IEEE/ASME …, 2023 - ieeexplore.ieee.org
In conventional robust motion control systems, disturbance observer (DOB) nominal models
are designed with same order as the actual plant such that the nominal model directly …

Design of a speed controller for vertical one-link manipulator using internal model-based disturbance observer

CW Lee, IH Kim, YI Son - The Transactions of the Korean Institute …, 2015 - koreascience.kr
This paper deals with a robust speed control problem of a vertical one-link manipulator in
the presence of parameter uncertainties and unknown input disturbance. Uncertain load …

A disturbance-observer-based current control scheme for five-phase PMSM drives with multiple sources of disturbance

C Xiong, Y Qin, P Zhou, H Xu - 2019 22nd International …, 2019 - ieeexplore.ieee.org
The current regulation performance in five-phase permanent magnet synchronous motor
(PMSM) can be deteriorated by multiple sources of disturbance (eg rotor harmonic flux …

[PDF][PDF] 내부모델기반외란관측기를이용한수직1 축머니퓰레이터의속도제어기설계

이초원, 김인혁, 손영익 - 전기학회논문지, 2015 - scholar.archive.org
This paper deals with a robust speed control problem of a vertical one-link manipulator in
the presence of parameter uncertainties and unknown input disturbance. Uncertain load …

Recovering Nominal Tracking Performance in an Asymptotic Sense for Uncertain Linear Systems

G Park, H Shim, Y Joo - SIAM Journal on Control and Optimization, 2018 - SIAM
In this paper, we consider the problem of recovering a (predefined) nominal output trajectory
in the presence of model uncertainty and external disturbance. In particular, whereas the …

Adaptive Output Regulation for Linear Systems with Unknown Sinusoidal Exogenous Inputs

H Kim - 2016 - s-space.snu.ac.kr
This dissertation investigates the output regulation problem (which is equivalent to the
problem of asymptotic tracking and disturbance rejection when the reference inputs and the …