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 …

Global planning for contact-rich manipulation via local smoothing of quasi-dynamic contact models

T Pang, HJT Suh, L Yang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The empirical success of reinforcement learning (RL) in contact-rich manipulation leaves
much to be understood from a model-based perspective, where the key difficulties are often …

Optimal design of nonlinear model predictive controller based on new modified multitracker optimization algorithm

M Elsisi - International Journal of Intelligent Systems, 2020 - Wiley Online Library
The controller design for the robotic manipulator faces different challenges such as the
system's nonlinearities and the uncertainties of the parameters. Furthermore, the tracking of …

Learning lyapunov functions for hybrid systems

S Chen, M Fazlyab, M Morari, GJ Pappas… - Proceedings of the 24th …, 2021 - dl.acm.org
We propose a sampling-based approach to learn Lyapunov functions for a class of discrete-
time autonomous hybrid systems that admit a mixed-integer representation. Such systems …

Linear encodings for polytope containment problems

S Sadraddini, R Tedrake - 2019 IEEE 58th conference on …, 2019 - ieeexplore.ieee.org
The polytope containment problem is deciding whether a polytope is a contained within
another polytope. The complexity heavily depends on how the polytopes are represented …

Consensus complementarity control for multi-contact mpc

A Aydinoglu, A Wei, WC Huang… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
We propose a hybrid model predictive control algorithm, consensus complementarity
control, for systems that make and break contact with their environment. Many state-of-the …

Active learning for nonlinear system identification with guarantees

H Mania, MI Jordan, B Recht - arXiv preprint arXiv:2006.10277, 2020 - arxiv.org
While the identification of nonlinear dynamical systems is a fundamental building block of
model-based reinforcement learning and feedback control, its sample complexity is only …

Towards tight convex relaxations for contact-rich manipulation

BP Graesdal, SYC Chia, T Marcucci, S Morozov… - arXiv preprint arXiv …, 2024 - arxiv.org
We present a novel method for global motion planning of robotic systems that interact with
the environment through contacts. Our method directly handles the hybrid nature of such …

Real-time multi-contact model predictive control via admm

A Aydinoglu, M Posa - 2022 International Conference on …, 2022 - ieeexplore.ieee.org
We propose a hybrid model predictive control algorithm, consensus complementarity control
(C3), for systems that make and break contact with their environment. Many state-of-the-art …

Tactile tool manipulation

Y Shirai, DK Jha, AU Raghunathan… - 2023 IEEE International …, 2023 - ieeexplore.ieee.org
Humans can effortlessly perform very complex, dexterous manipulation tasks by reacting to
sensor observations. In contrast, robots can not perform reactive manipulation and they …