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Adaptive Step Duration for Accurate Foot Placement: Achieving Robust Bipedal Locomotion on Terrains with Restricted Footholds
Simulation study of adaptive step timing and foot placement on constrained stepping-stone terrain.
Zhaoyang Xiang
,
Victor Paredes
,
Guillermo A Castillo
,
Ayonga Hereid
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Video
DOI
arXiv
Real-time safe bipedal robot navigation using linear discrete control barrier functions
Digit simulation study of obstacle avoidance with linear discrete control barrier functions.
Chengyang Peng
,
Victor Paredes
,
Guillermo A Castillo
,
Ayonga Hereid
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Video
DOI
arXiv
Moving past point-contacts: Extending the ALIP model to humanoids with non-trivial feet using hierarchical, full-body momentum control
The Angular-Momentum Linear Inverted Pendulum (ALIP) model is a promising motion planner for bipedal robots. However, it relies on two …
Victor C Paredes
,
Daniel A Hagen
,
Samuel W Chesebrough
,
Riley Swann
,
Denis Garagić
,
Ayonga Hereid
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Project
IEEE
Safe whole-body task space control for humanoid robots
Complex robotic systems require whole-body controllers to handle contact interactions, handle closed kinematic chains, and track …
Victor C Paredes
,
Ayonga Hereid
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Video
IEEE
Data-driven latent space representation for robust bipedal locomotion learning
This paper presents a novel framework for learning robust bipedal walking by combining a data-driven state representation with a …
Guillermo A Castillo
,
Bowen Weng
,
Wei Zhang
,
Ayonga Hereid
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Video
IEEE
Template model inspired task space learning for robust bipedal locomotion
This work presents a hierarchical framework for bipedal locomotion that combines a Reinforcement Learning (RL)-based high-level (HL) …
Guillermo A Castillo
,
Bowen Weng
,
Shunpeng Yang
,
Wei Zhang
,
Ayonga Hereid
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Video
arXiv
Towards standardized disturbance rejection testing of legged robot locomotion with linear impactor: A preliminary study, observations, and implications
Dynamic locomotion in legged robots is close to industrial collaboration, but a lack of standardized testing obstructs …
Bowen Weng
,
Guillermo A Castillo
,
Yun-Seok Kang
,
Ayonga Hereid
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Project
Video
IEEE
Time-Varying ALIP Model and Robust Foot-Placement Control for Underactuated Bipedal Robotic Walking on a Swaying Rigid Surface
Controller design for bipedal walking on dynamic rigid surfaces (DRSes), which are rigid surfaces moving in the inertial frame (e.g., …
Yuan Gao
,
Yukai Gong
,
Victor Paredes
,
Ayonga Hereid
,
Yan Gu
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IEEE
arXiv
Safe Bipedal Path Planning via Control Barrier Functions for Polynomial Shape Obstacles Estimated Using Logistic Regression
Safe path planning is critical for bipedal robots to operate in safety-critical environments. Common path planning algorithms, such as …
Chengyang Peng
,
Octavian Donca
,
Guillermo Castillo
,
Ayonga Hereid
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Project
Video
IEEE
On safety testing, validation, and characterization with scenario-sampling: A case study of legged robots
The dynamic response of the legged robot locomotion is non-Lipschitz and can be stochastic due to environmental uncertainties. To test, …
Bowen Weng
,
Guillermo A Castillo
,
Wei Zhang
,
Ayonga Hereid
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Project
IEEE
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