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Optimal Dynamics Control in Trajectory Tracking of Industrial Robots Based on Adaptive Gaussian Pseudo-Spectral Algorithm

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Vydáno v:Algorithms vol. 18, no. 1 (2025), p. 18
Hlavní autor: Zhang, Jing
Další autoři: Zhu, Xiaokai, Chen, Te, Dou, Guowei
Vydáno:
MDPI AG
Témata:
Control theory
Spectral control
Kinematics
Collocation methods
Motion control
Reconstruction
Tracking
Optimal control
Energy consumption
Efficiency
Industrial robots
Spectral methods
Adaptive algorithms
Parameterization
Control algorithms
Dynamic programming
Coordinate transformations
Trajectory optimization
Lagrange multiplier
Robot dynamics
Design
Control methods
Constraints
Optimization algorithms
Collocation
Robot control
Underwater robots
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Abstrakt:A pseudo-spectral control algorithm based on adaptive Gauss collocation point reconstruction is proposed to efficiently solve the optimal dynamics control problem of industrial robots. A mathematical model for the kinematic relationship and dynamic optimization control of industrial robots has been established. On the basis of deriving the Legendre–Gauss collocation formula, a two-stage adaptive Gauss collocation strategy for industrial robot dynamics control variables was designed to improve the dynamics optimization control effect of industrial robot by improving the solution efficiency of constrained optimization problems. The results show that compared with the control variable parameterization method and the traditional Gaussian pseudo-spectral method, the proposed dynamic optimal control method based on an adaptive Gaussian point reconstruction algorithm can effectively improve the solving time and efficiency of constrained optimization problems, thereby further enhancing the dynamic optimization control and trajectory tracking effect of industrial robots.
ISSN:1999-4893
DOI:10.3390/a18010018
Zdroj:Engineering Database