A review of current state-of-the-art control methods for lower-limb powered prostheses

R Gehlhar, M Tucker, AJ Young, AD Ames - Annual reviews in control, 2023 - Elsevier
Lower-limb prostheses aim to restore ambulatory function for individuals with lower-limb
amputations. While the design of lower-limb prostheses is important, this paper focuses on …

Active learning in robotics: A review of control principles

AT Taylor, TA Berrueta, TD Murphey - Mechatronics, 2021 - Elsevier
Active learning is a decision-making process. In both abstract and physical settings, active
learning demands both analysis and action. This is a review of active learning in robotics …

Safe control with learned certificates: A survey of neural lyapunov, barrier, and contraction methods for robotics and control

C Dawson, S Gao, C Fan - IEEE Transactions on Robotics, 2023 - ieeexplore.ieee.org
Learning-enabled control systems have demonstrated impressive empirical performance on
challenging control problems in robotics, but this performance comes at the cost of reduced …

Legged locomotion in challenging terrains using egocentric vision

A Agarwal, A Kumar, J Malik… - Conference on robot …, 2023 - proceedings.mlr.press
Animals are capable of precise and agile locomotion using vision. Replicating this ability
has been a long-standing goal in robotics. The traditional approach has been to decompose …

Rma: Rapid motor adaptation for legged robots

A Kumar, Z Fu, D Pathak, J Malik - arxiv preprint arxiv:2107.04034, 2021 - arxiv.org
Successful real-world deployment of legged robots would require them to adapt in real-time
to unseen scenarios like changing terrains, changing payloads, wear and tear. This paper …

Deep whole-body control: learning a unified policy for manipulation and locomotion

Z Fu, X Cheng, D Pathak - Conference on Robot Learning, 2023 - proceedings.mlr.press
An attached arm can significantly increase the applicability of legged robots to several
mobile manipulation tasks that are not possible for the wheeled or tracked counterparts. The …

Control barrier functions: Theory and applications

AD Ames, S Coogan, M Egerstedt… - 2019 18th European …, 2019 - ieeexplore.ieee.org
This paper provides an introduction and overview of recent work on control barrier functions
and their use to verify and enforce safety properties in the context of (optimization based) …

Control barrier function based quadratic programs for safety critical systems

AD Ames, X Xu, JW Grizzle… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Safety critical systems involve the tight coupling between potentially conflicting control
objectives and safety constraints. As a means of creating a formal framework for controlling …

Safe nonlinear control using robust neural lyapunov-barrier functions

C Dawson, Z Qin, S Gao, C Fan - Conference on Robot …, 2022 - proceedings.mlr.press
Safety and stability are common requirements for robotic control systems; however,
designing safe, stable controllers remains difficult for nonlinear and uncertain models. We …

Reinforcement learning for safety-critical control under model uncertainty, using control lyapunov functions and control barrier functions

J Choi, F Castaneda, CJ Tomlin, K Sreenath - arxiv preprint arxiv …, 2020 - arxiv.org
In this paper, the issue of model uncertainty in safety-critical control is addressed with a data-
driven approach. For this purpose, we utilize the structure of an input-ouput linearization …