Trajectory Planning of Multi-dimensional Actuator based on Improved S-shaped Velocity Curve

Guo, Xiwen; Siao, Wu; Wang, Qunjing; Yan, Wen; Wu, Tao

doi:10.46904/eea.20.68.4.1108009

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2023

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Cited by 2 publications

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Experimental Application of the Adaptive Second Order Sliding Mode Control for a Robotic System

Abdelhedi,

Benabdallh,

Bouteraa

et al. 2023

2023 9th International Conference on Control, Decision and Information Technologies (CoDIT)

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Experimental Application of the Adaptive Second Order Sliding Mode Control for a Robotic System

Abdelhedi,

Benabdallh,

Bouteraa

et al. 2023

2023 9th International Conference on Control, Decision and Information Technologies (CoDIT)

View full text Add to dashboard Cite

A Real-time Look-ahead Trajectory Planning Methodology for Multi Small Line Segments Path

Zhang

Liu

Yan³

et al. 2023

Chin. J. Mech. Eng.

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When a robot is required to machine a complex curved workpiece with high precision and speed, the tool path is typically dispersed into a series of points and transmitted to the robot. The conventional trajectory planning method requires frequent starts and stops at each dispersed point to complete the task. This method not only reduces precision but also causes damage to the motors and robot. A real-time look-ahead algorithm is proposed in this paper to improve precision and minimize damage. The proposed algorithm includes a path-smoothing algorithm, a trajectory planning method, and a bidirectional scanning module. The path-smoothing method inserts a quintic Bezier curve between small adjacent line segments to achieve $$G^{2}$$ G 2 continuity at the junctions. The trajectory planning method utilizes a quartic polynomial and a double-quartic polynomial that can achieve a constant velocity at the velocity limitation. The bidirectional scanning module calculates the velocity at each trajectory planning segment point, simplifying calculation complexity and can be run in real time. The feasibility of the proposed algorithm is verified through simulations and experiments, which can be run in real time. In addition, high machining precision can be achieved by adjusting the relevant parameters.

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Trajectory Planning of Multi-dimensional Actuator based on Improved S-shaped Velocity Curve

Cited by 2 publications

References 14 publications

Experimental Application of the Adaptive Second Order Sliding Mode Control for a Robotic System

Experimental Application of the Adaptive Second Order Sliding Mode Control for a Robotic System

A Real-time Look-ahead Trajectory Planning Methodology for Multi Small Line Segments Path

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