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Adaptive recursive sliding mode based trajectory tracking control for cable-driven continuum robots
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DOI：10.1016/j.isatra.2024.02.016.png)
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摘要
En 中文
To improve the transient response, accuracy and robustness of trajectory tracking control for cable-driven continuum robots (CDCRs), a recursive integral terminal sliding mode control combined with an adaptive disturbance observer (ADO-RITSMC) is proposed. The recursive integral terminal sliding mode control (RITSMC) guarantees fast transient response and high tracking accuracy with a fast zero convergence of the tracking error without chattering. To attenuate the effect of uncertain dynamics, an adaptive disturbance observer (ADO) is constructed to derive uncertain dynamics. Particularly, an improved grey wolf optimizer (IGWO) is merged into the ADO to enhance the estimating accuracy of uncertain dynamic factors. Simulation and experiment results demonstrate the superiority of the ADO-RITSMC in enabling fast transient response, high accuracy and strong robustness of trajectory tracking control.
Keyword:
Cable-driven continuum robots
Trajectory tracking
ADO-RITSMC
RITSMC
IGWO
期刊
IF:
6.5
论文数:
6.0K
被引数:
2.0W
机构
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