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author:

Xie, Limin (Xie, Limin.) [1] | Yu, Xiaoyan (Yu, Xiaoyan.) [2] | Chen, Li (Chen, Li.) [3]

Indexed by:

EI

Abstract:

The flexibility of the free-floating flexible space manipulator system's link and joint may affect the control accuracy and cause vibrations. We studied the dynamics modeling, joint trajectory tracking control, and vibration suppressing problem of free-floating flexible-link and flexible-joints space manipulator system with external interference and uncertain parameter. The system's dynamic equations are established using linear momentum conservation, angular momentum conservation, assumed mode method, and Lagrange equation. Then, the system's singular perturbation model is established, and a hybrid control is presented. For the slow subsystem, a robust fuzzy sliding mode control is proposed to realize the joint desired trajectory tracking. For the fast subsystem, a speed difference feedback control and a linear-quadratic optimal control are designed to suppress the vibration caused by the flexible joints and the flexible link separately. The simulation comparison experiments under different conditions are taken. The simulate results demonstrate the proposed hybrid control's validity. © The Author(s), 2021.

Keyword:

Agricultural robots Equations of motion Flexible manipulators Fuzzy systems Momentum Quadratic programming Robust control Sliding mode control Spacecraft equipment Uncertainty analysis Vibration control

Community:

  • [ 1 ] [Xie, Limin]College of Mechanical and Electrical Engineering, Fujian Agriculture and Forestry University, Fujian, Fuzhou; 350003, China
  • [ 2 ] [Yu, Xiaoyan]School of Mechanical Engineering and Automation, Fuzhou University, Fujian, Fuzhou; 350016, China
  • [ 3 ] [Chen, Li]School of Mechanical Engineering and Automation, Fuzhou University, Fujian, Fuzhou; 350016, China

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Source :

Robotica

ISSN: 0263-5747

Year: 2022

Issue: 4

Volume: 40

Page: 997-1019

2 . 7

JCR@2022

1 . 9 0 0

JCR@2023

ESI HC Threshold:66

JCR Journal Grade:3

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count:

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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