Set-theoretic approaches in analysis, estimation and control of nonlinear systems

B Chachuat, B Houska, R Paulen, N Peri'c… - IFAC-PapersOnLine, 2015 - Elsevier
This paper gives an overview of recent developments in set-theoretic methods for nonlinear
systems, with a particular focus on the activities in our own research group. Central to these …

Robust optimization for MPC

B Houska, ME Villanueva - Handbook of model predictive control, 2019 - Springer
This chapter aims to give a concise overview of numerical methods and algorithms for
implementing robust model predictive control (MPC). We introduce the mathematical …

[PDF][PDF] A computationally inexpensive algorithm for determining outer and inner enclosures of nonlinear mappings of ellipsoidal domains

A Rauh, L Jaulin - International Journal of Applied Mathematics …, 2021 - intapi.sciendo.com
A wide variety of approaches for set-valued simulation, parameter identification, state
estimation as well as reachability, observability and stability analysis for nonlinear discrete …

Rapid and accurate reachability analysis for nonlinear dynamic systems by exploiting model redundancy

K Shen, JK Scott - Computers & Chemical Engineering, 2017 - Elsevier
A new method is presented for enclosing the reachable sets of nonlinear ordinary differential
equations subject to a range of inputs. Reachable set enclosures are used for uncertainty …

Convergence-order analysis for differential-inequalities-based bounds and relaxations of the solutions of ODEs

SD Schaber, JK Scott, PI Barton - Journal of Global Optimization, 2019 - Springer
For the performance of global optimization algorithms, the rate of convergence of convex
relaxations to the objective and constraint functions is critical. We extend results from …

Towards rigorous robust optimal control via generalized high‐order moment expansion

B Houska, JC Li, B Chachuat - Optimal Control Applications …, 2018 - Wiley Online Library
This study is concerned with the rigorous solution of worst‐case robust optimal control
problems having bounded time‐varying uncertainty and nonlinear dynamics with affine …

Experimental validation of ellipsoidal techniques for state estimation in marine applications

A Rauh, Y Gourret, K Lagattu, B Hummes, L Jaulin… - Algorithms, 2022 - mdpi.com
A reliable quantification of the worst-case influence of model uncertainty and external
disturbances is crucial for the localization of vessels in marine applications. This is …

Global optimization in Hilbert space

B Houska, B Chachuat - Mathematical programming, 2019 - Springer
We propose a complete-search algorithm for solving a class of non-convex, possibly infinite-
dimensional, optimization problems to global optimality. We assume that the optimization …

Guaranteed safe path and trajectory tracking via reachability analysis using differential inequalities

X Yang, B Mu, D Robertson, J Scott - Journal of Intelligent & Robotic …, 2023 - Springer
In many automated motion planning systems, vehicles are tasked with tracking a reference
path or trajectory that is safe by design. However, due to various uncertainties, real vehicles …

An efficient implementation of graph-based invariant set algorithm for constrained nonlinear dynamical systems

B Decardi-Nelson, J Liu - Computers & Chemical Engineering, 2022 - Elsevier
The graph-based invariant set (GIS) algorithm is a promising set-based technique for
computing the largest (with respect to inclusion) control invariant set of general discrete-time …