Capturability-based Pattern Generation for Walking with Variable Height
Abstract
Capturability analysis of the linear inverted pendulum (LIP) model enabled walking with constrained height based on the capture point. We generalize this analysis to the variable-height inverted pendulum (VHIP) and show how it enables 3D walking over uneven terrains based on capture inputs. Thanks to a tailored optimization scheme, we can compute these inputs fast enough for real-time model predictive control. We implement this approach as open-source software and demonstrate it in dynamic simulations.
Video
Content
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Paper |
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Presentation given at NTU on 14 May 2018 |
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Capture Problem Solver (C++) |
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Walking controller (C++) |
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Walking trajectory generator (Python) |
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Walking trajectory generator manual: HTML or PDF |
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10.1109/TRO.2019.2923971 |
BibTeX
@article{caron2019tro,
title = {Capturability-based Pattern Generation for Walking with Variable Height},
author = {Caron, St{\'e}phane and Escande, Adrien and Lanari, Leonardo and Mallein, Bastien},
journal = {IEEE Transactions on Robotics},
year = {2020},
month = apr,
volume = {36},
number = {2},
pages = {517--536},
url = {https://hal.archives-ouvertes.fr/hal-01689331},
publisher = {IEEE},
doi = {10.1109/TRO.2019.2923971},
}
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