Abstract
Patients with lumbar injuries are becoming more common and there is a shortage of intelligent rehabilitation equipment. A wearable lumbar rehabilitation robot for the treatment of low back pain disease is designed to help patients recover their lumbar motion. Firstly, the motion characteristics of the human lumbar spine and its range of motion is determined, and based on the size and range of motion of the human lumbar spine, the configuration design of the lumbar rehabilitation robot is proposed, and a 2-PUU/2-PUS parallel mechanism with three rotations and one translation is proposed; then the degree of freedom(DoF) analysis is carried out based on the screw theory; Finally, the kinematic inverse solution analysis is performed based on the Euler transformation and the geometrical characteristics of this parallel mechanism respectively, and validated based on the established virtual prototype model, and the results show that the mechanism motion characteristics meet the requirements of lumbar rehabilitation.
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Acknowledgment
This research work was supported by the National Natural Science Foundation of China (Project 52075145), the Science and Technology Program of Hebei (Project 20281805Z) and the Central Government Guides Basic Research Projects of Local Science and Technology Development Funds (Project 206Z1801G) and the Natural Science Foundation of Hebei Grant Numbers E2022202130.
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Qi, K., Fu, K., Wei, J., Lui, C., Song, J., Zhang, J. (2023). Kinematics Analysis of the Wearable Waist Rehabilitation Robot. In: Yang, H., et al. Intelligent Robotics and Applications. ICIRA 2023. Lecture Notes in Computer Science(), vol 14273. Springer, Singapore. https://doi.org/10.1007/978-981-99-6498-7_15
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DOI: https://doi.org/10.1007/978-981-99-6498-7_15
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