Abstract
A heterogeneous double-drive universal joint (HDD-UJ) that can realize yaw motion and pitching motion is proposed. The virtual prototype model of the HDD-UJ is designed to determine the driving mechanism and motion form of the joint. By deducing the mathematical model of the displacement field of the āCā-shaped electrostrictive driving block, combined with the structural characteristics of the HDD-UJ, a motion regulation strategy is proposed and its mathematical model is established. Finally, in order to verify the rationality and effectiveness of the motion regulation strategy, the simulation experiments under three conditions of ideal, error, and regulation are carried out. The experimental results show that the HDD-UJ combines the electrostrictive material with the motion regulation strategy, which greatly reduces the joint motion error and improves the motion stability.
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Acknowledgements
This work was supported by Chongqing Graduate Research and Innovation Project (Grant No. CYS18223), Chongqing Technology Innovation and Application Demonstration Project (Grant No. cstc2018jszx-cyzdX0175) and Chongqing University of Arts and Sciences Graduate School Research Project (Grant No. M2018 ME16).
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Li, Z., Luo, T. (2019). Research on HDD-UJ Robot Joint Structure Design and Motion Regulation Strategy. In: Yu, H., Liu, J., Liu, L., Ju, Z., Liu, Y., Zhou, D. (eds) Intelligent Robotics and Applications. ICIRA 2019. Lecture Notes in Computer Science(), vol 11741. Springer, Cham. https://doi.org/10.1007/978-3-030-27532-7_21
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DOI: https://doi.org/10.1007/978-3-030-27532-7_21
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