Research on the Dynamic Control Method of CFETR Multi-Purpose Overload Robot

被引:0
作者
Zuo, Congju [1 ,2 ,3 ]
Qin, Guodong [1 ]
Pan, Hongtao [1 ]
Xia, Liang [3 ]
Wang, Feng [3 ]
Zhou, Pucheng [3 ]
Qin, Xiaoyan [3 ]
Shi, Ning [3 ]
Lu, Leiji [3 ]
Zhao, Ruijuan [3 ]
Wan, Chenhui [4 ]
Luo, Guangnan [1 ]
Wang, Weihua [1 ,5 ]
Cheng, Yong [1 ]
机构
[1] Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China
[2] Univ Sci & Technol China, Sci Isl Branch, Grad Sch, Hefei 230026, Peoples R China
[3] Army Acad Artillery & Air Def, Dept Informat Engn, Hefei 230031, Peoples R China
[4] Huazhong Univ Sci & Technol, Sch Mech Sci & Engn, Wuhan 430074, Peoples R China
[5] Anhui Univ, Inst Phys Sci & Informat Technol, Hefei 230031, Peoples R China
来源
APPLIED SCIENCES-BASEL | 2023年 / 13卷 / 18期
基金
中国国家自然科学基金;
关键词
CFETR; multi-purpose overload robot; sliding mode controller; error compensation; rigid-flexible control; TRACKING CONTROL; NONLINEAR-SYSTEMS; MANIPULATOR; SIMULATION; ALGORITHM; FUSION; FORCE; LINK;
D O I
10.3390/app131810487
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The CFETR multi-purpose overload robot (CMOR) is a key subsystem of the remote handling system of the China fusion engineering test reactor (CFETR). This paper first establishes the kinematic and dynamic models of CMOR and analyzes the working process in the vacuum chamber. Based on the uncertainty of rigid-flexible coupling, a CMOR adaptive robust sliding mode controller (ARSMC) is designed based on the Hamilton-Jacobi equation to enhance the robustness of the control system. In addition, to compensate the influence of non-geometric factors on position accuracy, an error compensation method is designed. Based on the matrix differentiation method, the CMOR coupling parameter errors are decoupled, and then the gridded workspace principle is used to identify the parameter errors and improve the motion control accuracy. Finally, the CMOR rigid-flexible coupling simulation system is established by ADAMS-MATLAB/Simulink to analyze the dynamic control effect of ARSMC. The simulation results show that the CMOR end position error exceeds 0.1 m for single joint motion. The average value of CMOR end position error is less than 0.025 m after compensation, and the absolute error value is reduced by 4 times, improves the dynamic control accuracy of CMOR.
引用
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页数:17
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