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Adaptive Compliance Control of Flexible Link Manipulator in Unknown Environment

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Intelligent Robotics and Applications (ICIRA 2022)

Abstract

The present work proposes an Adaptive Compliant Control scheme based on a closed-form output-redefined and perturbed dynamic model of a Single-link Flexible Manipulator (SLFM) in Unknown Environment. The control scheme is composed of inner and outer controllers. The inner control is designed based on Two-Time Scale Adaptive Robust Control (TTARC) to ensure fast and precise motion control, while the outer control is based on the impedance dynamics aiming to offer a desired compliant behavior in constrained motion. External force is estimated based on the extended Kalman Filter (EKF). The stability of the closed-loop system is verified through Lyapunov theory. The effectiveness of the overall control scheme is verified through simulation.

This work was supported by the National Natural Science Foundation of China (Nos 51675471 and 51375432) and Science Fund for Creative Research Groups of National Natural Science Foundation of China (No. 51821093), and also supported by the Fundamental Research Funds for the Central Universities (2019QNA4002).

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Correspondence to Xiaocong Zhu .

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Yannick, C., Zhu, X., Cao, J. (2022). Adaptive Compliance Control of Flexible Link Manipulator in Unknown Environment. In: Liu, H., et al. Intelligent Robotics and Applications. ICIRA 2022. Lecture Notes in Computer Science(), vol 13457. Springer, Cham. https://doi.org/10.1007/978-3-031-13835-5_70

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  • DOI: https://doi.org/10.1007/978-3-031-13835-5_70

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-031-13834-8

  • Online ISBN: 978-3-031-13835-5

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