Optimization method for operation configuration of space manipulator for on-orbit assembly
Pages 14 - 20
Abstract
Aiming at the insertion requirements of large space structures during the on-orbit assembly process, a redundant manipulator operation configuration selection method using joint angle variation as a performance evaluation index is proposed, which achieves operation configuration optimization among multiple sets of inverse solutions. At the same time, the risk of collision during installation is reduced. Firstly, the joint angle parameterization method is used to solve all feasible solutions of the redundant manipulator. Then, trapezoidal velocity planning is employed to analyse the operation configuration after the end effector of the manipulator moves a certain distance in different directions of the coordinate system, and the joint weight coefficient is introduced to calculate the weighted value of the angle variation. Finally, select the operation configuration corresponding to the minimum weighted value as the initial configuration for the manipulator. The calculation results show that this method can select an effective solution that satisfies the posture constraints from multiple sets of inverse solutions, giving full play to the redundant characteristics of the SSRMS-type manipulator and ensuring the safety and reliability of the on-orbit assembly process.
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Index Terms
- Optimization method for operation configuration of space manipulator for on-orbit assembly
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Published In
June 2024
399 pages
ISBN:9798400709937
DOI:10.1145/3687488
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Published: 18 November 2024
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ICCIR 2024
ICCIR 2024: 2024 4th International Conference on Control and Intelligent Robotics
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