Robot manipulator visual servoing based on image moments and improved firefly optimization algorithm-based extreme learning machine

被引：7

作者：

Zhou, Zhiyu ^{[1
]}

Wang, Junjie ^{[1
]}

Zhu, Zefei ^{[2
]}

Xia, Jingsong ^{[1
]}

机构：

[1] Zhejiang Sci Tech Univ, Sch Informat Sci & Technol, Hangzhou, Peoples R China

[2] Hangzhou Dianzi Univ, Sch Mech Engn, Hangzhou, Peoples R China

来源：

ISA TRANSACTIONS | 2023年 / 143卷

基金：

国家重点研发计划;

关键词：

Image -based visual servoing; Image moment; Extreme learning machine; Firefly algorithm; Robot manipulator;

D O I：

10.1016/j.isatra.2023.10.010

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

We propose an improved extreme learning machine (ELM) to solve the decoupling problem between the camera coordinates and the image moment features for robot manipulator image-based visual servoing system, that is, determine the nonlinear relationship between them. First, an improved firefly optimization algorithm (IFOA) based on an adaptive inertial weight and individual variations is proposed. Then, the IFOA is optimized the weight and hidden bias in ELM algorithm; this improves the training accuracy of the ELM. Finally, the improved firefly optimization algorithm is integrated into ELM (IFOA-ELM) to solve the decoupling problem and ensure stable performance. The results of experiment show that the estimated error of the rotation angle around the camera frame in the visual servoing system determined by the IFOA-ELM algorithm is less than 0.25 degrees, confirming that the proposed algorithm exhibits good robustness and stability.

引用

页码：188 / 204

页数：17

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