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author:

Cheng, Guoyang (Cheng, Guoyang.) [1] (Scholars:程国扬) | Peng, Kemao (Peng, Kemao.) [2]

Indexed by:

EI Scopus SCIE

Abstract:

A new robust composite nonlinear feedback (CNF) control method is proposed to achieve fast and accurate set-point tracking for linear systems subject to input saturation and disturbances. The basic idea is to incorporate disturbance estimation and compensation into the framework of the original CNF control so as to eliminate the steady-state bias due to disturbances and retain the fast transient performance of the original CNF control. There is no additional integration action introduced in the new method, which is in contrast with the previous work, i.e., the enhanced CNF control. The new method is applied to design a control law for a dc servomotor positioning system. Simulation and experimental results show that the new method can achieve better transient performance and steady-state accuracy in set-point tracking and is more robust to amplitude variations of disturbance/set point compared to integration-based control.

Keyword:

compensation control systems motion control nonlinearities servo systems

Community:

  • [ 1 ] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117576, Singapore

Reprint 's Address:

  • 程国扬

    [Cheng, Guoyang]Fuzhou Univ, Coll Elect Engn & Automat, Fuzhou 350002, Peoples R China

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Source :

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS

ISSN: 0278-0046

Year: 2007

Issue: 2

Volume: 54

Page: 1132-1140

2 . 2 1 6

JCR@2007

7 . 5 0 0

JCR@2023

ESI Discipline: ENGINEERING;

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 120

SCOPUS Cited Count: 145

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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