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[期刊论文]

The sliding mode control approach design for nonholonomic mobile robots based on non-negative piecewise predefined-time control law

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author:

Lin, Lixiong (Lin, Lixiong.) [1] | Wu, Peixin (Wu, Peixin.) [2] | He, Bingwei (He, Bingwei.) [3] | Unfold

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EI

Abstract:

In this paper, a novel trajectory tracking control method of nonholonomic mobile robots based on the non-negative piecewise predefined-time theorem is proposed. The idea of cascade control is used to divide the posture error system of the mobile robot into two subsystems. Firstly, for the first-order subsystem, an active predefined-time controller is designed to realize that the angle error system converges and stabilizes to zero within a given time, which is preset in advance. Secondly, a novel predefined-time sliding mode controller is designed for the second-order subsystem, which adds a constant to compensate for the influence of singularity. Moreover, compared with the existing fixed-time control algorithm, the control scheme proposed in this paper provides a more accurate upper bound of the settling time estimation. For convenience, the complex expression of the settling time estimation is transformed into an adjustable parameter. Furthermore, the stability of the two developed controllers is analyzed and some conditions for selecting parameters are given. Finally, the simulation results show the feasibility and correctness of the proposed control algorithm. © 2021 The Authors. IET Control Theory & Applications published by John Wiley & Sons Ltd on behalf of The Institution of Engineering and Technology

Keyword:

Cascade control systems Controllers Machine design Mobile robots Sliding mode control

Community:

  • [ 1 ] [Lin, Lixiong]School of Mechanical Engineering and Automation, Fuzhou University, Fujian, China
  • [ 2 ] [Wu, Peixin]School of Mechanical Engineering and Automation, Fuzhou University, Fujian, China
  • [ 3 ] [He, Bingwei]School of Mechanical Engineering and Automation, Fuzhou University, Fujian, China
  • [ 4 ] [Chen, Yanjie]School of Mechanical Engineering and Automation, Fuzhou University, Fujian, China
  • [ 5 ] [Zheng, Jiachun]School of Information Engineering, Jimei University, Fujian, China
  • [ 6 ] [Peng, Xiafu]Department of Automation, Xiamen University, Fujian, China

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Source :

IET Control Theory and Applications

ISSN: 1751-8644

Year: 2021

Issue: 9

Volume: 15

Page: 1286-1296

2 . 6 7

JCR@2021

2 . 2 0 0

JCR@2023

ESI HC Threshold:105

JCR Journal Grade:2

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 16

30 Days PV: 0

Affiliated Colleges:

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