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Capturability-based Pattern Generation for Walking with Variable Height

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arxiv 1801.07022 v2 pith:3SP45XZM submitted 2018-01-22 cs.RO math.OC

Capturability-based Pattern Generation for Walking with Variable Height

classification cs.RO math.OC
keywords walkinganalysiscaptureheightinputsinvertedmodelpendulum
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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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.

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