Hagfish are capable of not only forming knots, but also sliding them along the length of their bodies. This remarkable behavior is used by the animal for a wide variety of purposes, such as feeding and manipulation. Clearly of interest to biologists, this knotting behavior is also relevant to other fields, such as bioinspired soft robotics. However, this knot-sliding behavior has been challenging to model and has not been simulated on a computer. In this paper, we present the first physics-based simulation of the knot-sliding behavior of hagfish. We show that a contact-based inverse dynamics approach, motivated by the biological concept called positive thigmotaxis, works very well for this challenging control problem.
CITATION STYLE
Hwang, Y., Uyeno, T. A., & Sueda, S. (2019). Bioinspired Simulation of Knotting Hagfish. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 11844 LNCS, pp. 75–86). Springer. https://doi.org/10.1007/978-3-030-33720-9_6
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