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Modeling Fabric-Type Actuator Using Point Clouds by Deep Learning
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DOI：10.1109/ACCESS.2022.3204652.png)
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摘要
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Flexible actuators are popular in the consumer and medical fields because of their flexibility and compliance. However, they are typically difficult to model because of their viscoelasticity and nonlinearity. This letter proposes a method for correcting the deformation of the simulated flexible robots to make it similar to the deformation of real robots using point clouds by deep learning. Long short-term memory (LSTM) can simulate the next frame of actuator deformation from the previous frames of deformations. In this study, we presented the robots with four different muscle structures. We found that using an encoder-LSTM-decoder network can improve the similarity between the deformation of a learned muscle structure and the real deformation and is also effective in correcting the deformation of the unlearned structures. Our correction method reduced the average Chamfer distance of the simulated point clouds of the basic-type structure actuator from 15.89 to 7.81. This research can provide a new concept for future flexible robot modeling using point clouds.
Keyword:
Soft robotics
Actuators
Point cloud compression
Deep learning
Muscles
Computational modeling
Solid modeling
Soft actuators
deep learning
modeling for soft robots
McKibben Artificial muscle
point cloud
期刊
IF:
3.6
论文数:
9.8W
被引数:
29.4W
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