Perceptive locomotion through nonlinear model-predictive control

R Grandia, F Jenelten, S Yang… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Dynamic locomotion in rough terrain requires accurate foot placement, collision avoidance,
and planning of the underactuated dynamics of the system. Reliably optimizing for such …

Learning plastic matching of robot dynamics in closed-loop central pattern generators

F Ruppert, A Badri-Spröwitz - Nature Machine Intelligence, 2022 - nature.com
Animals achieve agile locomotion performance with reduced control effort and energy
efficiency by leveraging compliance in their muscles and tendons. However, it is not known …

Trajectotree: Trajectory optimization meets tree search for planning multi-contact dexterous manipulation

C Chen, P Culbertson, M Lepert… - 2021 IEEE/RSJ …, 2021 - ieeexplore.ieee.org
Dexterous manipulation tasks often require contact switching, where fingers make and break
contact with the object. We propose a method that plans trajectories for dexterous …

Contextual tuning of model predictive control for autonomous racing

LP Fröhlich, C Küttel, E Arcari, L Hewing… - 2022 IEEE/RSJ …, 2022 - ieeexplore.ieee.org
Learning-based model predictive control has been widely applied in autonomous racing to
improve the closed-loop behaviour of vehicles in a data-driven manner. When …

Robust trajectory optimization over uncertain terrain with stochastic complementarity

L Drnach, Y Zhao - IEEE Robotics and Automation Letters, 2021 - ieeexplore.ieee.org
Trajectory optimization with contact-rich behaviors has recently gained attention for
generating diverse locomotion behaviors without pre-specified ground contact sequences …

Robust walking based on MPC with viability guarantees

MH Yeganegi, M Khadiv, A Del Prete… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Model predictive control (MPC) has shown great success for controlling complex systems,
such as legged robots. However, when closing the loop, the performance and feasibility of …

Abstraction-based planning for uncertainty-aware legged navigation

J Jiang, S Coogan, Y Zhao - IEEE Open Journal of Control …, 2023 - ieeexplore.ieee.org
This article addresses the problem of temporal-logic-based planning for bipedal robots in
uncertain environments. We first propose an Interval Markov Decision Process abstraction of …

Dynamic multi-team racing: Competitive driving on 1/10-th scale vehicles via learning in simulation

P Werner, T Seyde, P Drews, TM Balch… - … Conference on Robot …, 2023 - openreview.net
Autonomous racing is a challenging task that requires vehicle handling at the dynamic limits
of friction. While single-agent scenarios like Time Trials are solved competitively with …

[PDF][PDF] Model learning and contextual controller tuning for autonomous racing

LP Fröhlich, C Küttel, E Arcari, L Hewing… - arxiv preprint arxiv …, 2021 - academia.edu
Model predictive control has been widely used in the field of autonomous racing and many
data-driven approaches have been proposed to improve the closed-loop performance and …

Robust humanoid locomotion using trajectory optimization and sample-efficient learning

MH Yeganegi, M Khadiv… - 2019 IEEE-RAS 19th …, 2019 - ieeexplore.ieee.org
Trajectory optimization (TO) is one of the most powerful tools for generating feasible motions
for humanoid robots. However, including uncertainties and stochasticity in the TO problem to …