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author:

Shen, Henghua (Shen, Henghua.) [1] | Pan, Ya-Jun (Pan, Ya-Jun.) [2] | Ahmad, Usman (Ahmad, Usman.) [3] | He, Bingwei (He, Bingwei.) [4] (Scholars:何炳蔚)

Indexed by:

EI SCIE

Abstract:

Common assumptions in most of the previous nonlinear networked leader-follower systems are that the leader is provided as a constant signal and that the controllers are designed for either the joint-space regulation or the translational Cartesian-space motion control. This article addresses the control issue of the delay-induced horizontal shift effect when the leader is moving with a changing speed. A novel mixed-type feedback is introduced to reduce the horizontal shift effect so as to minimize tracking errors experienced by the follower agents. In this article, we also study the complete pose control using a nonsingular terminal sliding mode (NTSM) method. A stability analysis is provided to prove the finite-time boundedness of the tracking error signals. Quantitative evaluations of the multiple effects on the error bound are conducted to facilitate the subsequent control design to improve the performance. Numerical simulation results of a team of two degree-of-freedoms (DOFs) manipulators demonstrate the improved tracking performance of the end effectors with small bounded errors which are affected by network delays, maximum assigned accelerations, and the selection of control gains. The experimental results are provided to demonstrate the performance of the developed controller.

Keyword:

Delays End effectors Horizontal shift networked multimanipulator system nonsingular terminal sliding mode (NTSM) control pose synchronization Quaternions Synchronization time delays Trajectory

Community:

  • [ 1 ] [Shen, Henghua]Dalhousie Univ, Dept Mech Engn, Halifax, NS B3H 4R2, Canada
  • [ 2 ] [Pan, Ya-Jun]Dalhousie Univ, Dept Mech Engn, Halifax, NS B3H 4R2, Canada
  • [ 3 ] [Ahmad, Usman]Dalhousie Univ, Dept Mech Engn, Halifax, NS B3H 4R2, Canada
  • [ 4 ] [He, Bingwei]Fuzhou Univ, Mech Engn Dept, Fuzhou 350002, Peoples R China

Reprint 's Address:

  • [Pan, Ya-Jun]Dalhousie Univ, Dept Mech Engn, Halifax, NS B3H 4R2, Canada

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Source :

IEEE TRANSACTIONS ON SYSTEMS MAN CYBERNETICS-SYSTEMS

ISSN: 2168-2216

Year: 2021

Issue: 12

Volume: 51

Page: 7497-7509

1 1 . 4 7 1

JCR@2021

8 . 6 0 0

JCR@2023

ESI Discipline: ENGINEERING;

ESI HC Threshold:105

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 10

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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