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author:

Liang, Jiacheng (Liang, Jiacheng.) [1] | Wang, Yaonan (Wang, Yaonan.) [2] | Zhong, Hang (Zhong, Hang.) [3] | Chen, Yanjie (Chen, Yanjie.) [4] (Scholars:陈彦杰) | Li, Hongwen (Li, Hongwen.) [5] | Mao, Jianxu (Mao, Jianxu.) [6] | Wang, Wei (Wang, Wei.) [7]

Indexed by:

EI Scopus SCIE

Abstract:

This article investigates a robust variable impedance control methodology for aerial manipulators to realize compliant and safe interaction tasks. Considering that the stability characteristics are generally overlooked in existing variable impedance controllers of the aerial manipulator, state-independent stability conditions are applied for time-varying impedance profiles to ensure the exponential stability of the desired variable impedance dynamics (DVID) as well as the boundedness of the state variables in the DVID. A command trajectory variable is introduced for converting the impedance control issue to a particular tracking issue, and then, a robust variable impedance controller based on the wrench estimator is designed to guarantee the exponential convergence of the translational states and impedance error of the aerial manipulator. The designed impedance controller is structurally simple and results in low implementation costs. Next, an improved attitude control approach with the command filter is developed for global flight attitude stability without any singularities or ambiguities, where the filter is introduced to avoid computing the derivative signals of the generalized force input. Finally, the effectiveness of the proposed control method is illustrated via numerical simulations and interaction experiments with different targets in real scenarios.

Keyword:

Aerial compliant interaction robust variable impedance control stability conditions variable impedance dynamics

Community:

  • [ 1 ] [Liang, Jiacheng]Hunan Univ, Coll Elect & Informat Engn, Changsha 410082, Peoples R China
  • [ 2 ] [Wang, Yaonan]Hunan Univ, Coll Elect & Informat Engn, Changsha 410082, Peoples R China
  • [ 3 ] [Mao, Jianxu]Hunan Univ, Coll Elect & Informat Engn, Changsha 410082, Peoples R China
  • [ 4 ] [Wang, Yaonan]Natl Engn Res Ctr Robot Visual Percept & Control T, Changsha 410082, Peoples R China
  • [ 5 ] [Chen, Yanjie]Natl Engn Res Ctr Robot Visual Percept & Control T, Changsha 410082, Peoples R China
  • [ 6 ] [Zhong, Hang]Hunan Univ, Sch Robot, Changsha 410082, Peoples R China
  • [ 7 ] [Zhong, Hang]Natl Engn Res Ctr Robot Visual Percept & Control T, Changsha 410082, Peoples R China
  • [ 8 ] [Chen, Yanjie]Fuzhou Univ, Sch Mech Engn & Automation, Fuzhou 350108, Peoples R China
  • [ 9 ] [Chen, Yanjie]Aberystwyth Univ, Dept Comp Sci, Aberystwyth SY23 3FL, Wales
  • [ 10 ] [Li, Hongwen]Harbin Engn Univ, Qingdao Innovat & Dev Ctr, Qingdao 266000, Peoples R China
  • [ 11 ] [Wang, Wei]Hunan Univ, Sch Architecture & Planning, Changsha 410082, Peoples R China

Reprint 's Address:

  • [Zhong, Hang]Hunan Univ, Sch Robot, Changsha 410082, Peoples R China;;[Zhong, Hang]Natl Engn Res Ctr Robot Visual Percept & Control T, Changsha 410082, Peoples R China;;

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Source :

IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS

ISSN: 1551-3203

Year: 2023

Issue: 3

Volume: 20

Page: 3351-3360

1 1 . 7

JCR@2023

1 1 . 7 0 0

JCR@2023

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 2

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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