Real-time trajectory adaptation for quadrupedal locomotion using deep reinforcement learning

S Gangapurwala, M Geisert, R Orsolino… - … on Robotics and …, 2021 - ieeexplore.ieee.org
We present a control architecture for real-time adaptation and tracking of trajectories
generated using a terrain-aware trajectory optimization solver. This approach enables us to …

Reaching through latent space: From joint statistics to path planning in manipulation

CM Hung, S Zhong, W Goodwin… - IEEE Robotics and …, 2022 - ieeexplore.ieee.org
We present a novelapproach to path planning for robotic manipulators, in which paths are
produced via iterative optimisation in the latent space of a generative model of robot poses …

Leveraging scene embeddings for gradient-based motion planning in latent space

J Yamada, CM Hung, J Collins… - … on Robotics and …, 2023 - ieeexplore.ieee.org
Motion planning framed as optimisation in structured latent spaces has recently emerged as
competitive with traditional methods in terms of planning success while significantly …

Neural hybrid automata: Learning dynamics with multiple modes and stochastic transitions

M Poli, S Massaroli, L Scimeca… - Advances in …, 2021 - proceedings.neurips.cc
Effective control and prediction of dynamical systems require appropriate handling of
continuous-time and discrete, event-triggered processes. Stochastic hybrid systems (SHSs) …

Vae-loco: Versatile quadruped locomotion by learning a disentangled gait representation

AL Mitchell, WX Merkt, M Geisert… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Quadruped locomotion is rapidly maturing to a degree where robots are able to realize
highly dynamic maneuvers. However, current planners are unable to vary key gait …

Next steps: Learning a disentangled gait representation for versatile quadruped locomotion

AL Mitchell, W Merkt, M Geisert… - … on Robotics and …, 2022 - ieeexplore.ieee.org
Quadruped locomotion is rapidly maturing to a degree where robots now routinely traverse a
variety of unstructured terrains. However, while gaits can be varied typically by selecting …

Parameter-adaptive variational autoencoder for linear/nonlinear blind source separation

YH Wei, YQ Ni - Journal of Civil Structural Health Monitoring, 2024 - Springer
Blind source separation (BSS) serves as an important technique in the field of structural
health monitoring (SHM), particularly for solving modal decomposition tasks. This study …

Learning to Navigate from Scratch using World Models and Curiosity: the Good, the Bad, and the Ugly

D de Tinguy, S Remmery, P Mazzaglia… - arXiv preprint arXiv …, 2023 - arxiv.org
Learning to navigate unknown environments from scratch is a challenging problem. This
work presents a system that integrates world models with curiosity-driven exploration for …

Gaitor: Learning a Unified Representation Across Gaits for Real-World Quadruped Locomotion

AL Mitchell, W Merkt, A Papatheodorou… - arXiv preprint arXiv …, 2024 - arxiv.org
The current state-of-the-art in quadruped locomotion is able to produce robust motion for
terrain traversal but requires the segmentation of a desired robot trajectory into a discrete set …

Oscillating latent dynamics in robot systems during walking and reaching

O Parker Jones, AL Mitchell, J Yamada, W Merkt… - Scientific Reports, 2024 - nature.com
Sensorimotor control of complex, dynamic systems such as humanoids or quadrupedal
robots is notoriously difficult. While artificial systems traditionally employ hierarchical …