High-Order Sliding Mode Control for Three-Joint Rigid Manipulators Based on an Improved Particle Swarm Optimization Neural Network

被引:10
作者
Zhang, Jin [1 ,2 ]
Meng, Wenjun [1 ,3 ]
Yin, Yufeng [1 ]
Li, Zhengnan [1 ,4 ]
Ma, Lidong [1 ,4 ]
Liang, Weiqiang [1 ,2 ]
机构
[1] Taiyuan Univ Sci & Technol, Sch Mech Engn, Taiyuan 030024, Peoples R China
[2] Shanxi Vocat Univ Engn Sci & Technol, Sch Intelligent Mfg, Jinzhong 030619, Peoples R China
[3] Shanxi Inst Energy, Taiyuan 030600, Peoples R China
[4] Shanxi Prov Engn Res Ctr Intelligent Heavy Load E, Taiyuan 030024, Peoples R China
基金
国家重点研发计划;
关键词
neural network; particle swarm optimization algorithm; sliding mode control; super-twisting adaptive algorithm; manipulators control; ALGORITHM;
D O I
10.3390/math10193418
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
This paper presents a control method for the problem of trajectory jitter and poor tracking performance of the end of a three-joint rigid manipulator. The control is based on a high-order particle swarm optimization algorithm with an improved sliding mode control neural network. Although the sliding mode variable structure control has a certain degree of robustness, because of its own switching characteristics, chattering can occur in the later stage of the trajectory tracking of the manipulator end. Hence, on the basis of the high-order sliding mode control, the homogeneous continuous control law and super-twisting adaptive algorithm were added to further improve the robustness of the system. The radial basis function neural network was used to compensate the errors in the modeling process, and an adaptive law was designed to update the weights of the middle layer of the neural network. Furthermore, an improved particle swarm optimization algorithm was established and applied to optimize the parameters of the neural network, which improved the trajectory tracking of the manipulator end. Finally, MATLAB simulation results indicated the validity and superiority of the proposed control method compared with other sliding mode control algorithms.
引用
收藏
页数:22
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