1 code implementation • 1 May 2022 • Tenavi Nakamura-Zimmerer, Qi Gong, Wei Kang
The proposed architectures are compared against standard neural network feedback controllers through numerical simulations of two high-dimensional nonlinear optimal control problems: stabilization of an unstable Burgers-type partial differential equation, and altitude and course tracking for an unmanned aerial vehicle.
no code implementations • 15 Sep 2021 • Tenavi Nakamura-Zimmerer, Qi Gong, Wei Kang
In this paper we use numerical simulations to demonstrate that typical test accuracy metrics do not effectively capture the ability of an NN controller to stabilize a system.
no code implementations • 11 Sep 2020 • Tenavi Nakamura-Zimmerer, Qi Gong, Wei Kang
In this paper we propose a new computational method for designing optimal regulators for high-dimensional nonlinear systems.
BIG-bench Machine Learning Physics-informed machine learning
no code implementations • 21 Nov 2019 • Tenavi Nakamura-Zimmerer, Daniele Venturi, Qi Gong, Wei Kang
Uncertainty propagation in nonlinear dynamic systems remains an outstanding problem in scientific computing and control.
1 code implementation • 11 Jul 2019 • Tenavi Nakamura-Zimmerer, Qi Gong, Wei Kang
In this paper, we propose a data-driven method to approximate semi-global solutions to HJB equations for general high-dimensional nonlinear systems and compute candidate optimal feedback controls in real-time.