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International Journal of Robust and Nonlinear Control
Article . 2021 . Peer-reviewed
License: Wiley Online Library User Agreement
Data sources: Crossref
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
zbMATH Open
Article . 2021
Data sources: zbMATH Open
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A prescribed‐performance‐like control for improving tracking performance of networked robots

A prescribed-performance-like control for improving tracking performance of networked robots
Authors: Di‐Hua Zhai; Yuanqing Xia;

A prescribed‐performance‐like control for improving tracking performance of networked robots

Abstract

AbstractTo balance the performance and implementability of classical predefined performance control algorithm when its hard constraint is violated, this article investigates a switching‐based prescribed‐performance‐like control (PPLC) approach for nonlinear teleoperation systems. To achieve the objective, a switching mechanism is introduced into the classical controller design and based on this, a nonlinear proportional plus auxiliary compensation controller is designed, where a switched filter control technique is employed. By modeling the resulting closed‐loop system as a special switched delayed system and using the piecewise Lyapunov‐Krasovskii functional method, the state‐independent input‐to‐output stabilty of closed‐loop system is established, where a feasible range of the “initial” values of piecewise continuous performance function is given to achieve a tradeoff between the closed‐loop stability and overshoot. It is shown that the developed switching‐based PPLC approach obtains better performance than the classical predefined performance control algorithms. Simulations on a pair of 3‐DOF planar arms illustrate the approach.

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Keywords

prescribed-performance-like control, Adaptive control/observation systems, switched control, Networked control, teleoperation, Delay control/observation systems, Control/observation systems governed by functional relations other than differential equations (such as hybrid and switching systems), Automated systems (robots, etc.) in control theory, time-varying delays, adaptive control

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Powered by OpenAIRE graph
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
4
Top 10%
Average
Top 10%
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