A high-performance Monte Carlo simulation toolbox for uncertainty quantification of closed-loop systems

MR Wahlgreen, AT Reenberg… - 2021 60th IEEE …, 2021 - ieeexplore.ieee.org
We apply Monte Carlo simulation for performance quantification and tuning of controllers in
nonlinear closed-loop systems. Computational feasibility of large-scale Monte Carlo …

Nonlinear model predictive control and system identification for a dual-hormone artificial pancreas

AT Reenberg, TKS Ritschel, EB Lindkvist… - IFAC-PapersOnLine, 2022 - Elsevier
In this work, we present a switching nonlinear model predictive control (NMPC) algorithm for
a dual-hormone artificial pancreas (AP), and we use maximum likelihood estimation (MLE) …

High-performance uncertainty quantification in large-scale virtual clinical trials of closed-loop diabetes treatment

AT Reenberg, TKS Ritschel… - 2022 American …, 2022 - ieeexplore.ieee.org
In this paper, we propose a virtual clinical trial for assessing the performance and identifying
risks in closed-loop diabetes treatments. Virtual clinical trials enable fast and risk-free tests …

Simulation of NMPC for a Laboratory Adiabatic CSTR with an Exothermic Reaction

JB Jørgensen, TKS Ritschel, D Boiroux… - 2020 European …, 2020 - ieeexplore.ieee.org
In this paper, we present nonlinear system identification and nonlinear model predictive
control (NMPC) for a laboratory-scale adiabatic continuous stirred tank reactor (CSTR) with …

Nonlinear model predictive control for an exothermic reaction in an adiabatic CSTR

MR Wahlgreen, E Schroll-Fleischer, D Boiroux… - IFAC-PapersOnLine, 2020 - Elsevier
We model and simulate an exothermic reaction conducted in an adiabatic continuous stirred
tank reactor (CSTR). The system has multiple steady states in part of its operating window …

Efficient computation of the continuous-discrete extended Kalman filter sensitivities applied to maximum likelihood estimation

D Boiroux, TKS Ritschel, NK Poulsen… - 2019 IEEE 58th …, 2019 - ieeexplore.ieee.org
In this paper, we present and compare different methods for computing the likelihood
function and its gradient. We consider nonlinear continuous-discrete models described by a …

Review of algorithms for improving control of blood glucose levels

J Tašić, G Eigner, L Kovács - 2020 IEEE 18th International …, 2020 - ieeexplore.ieee.org
In this study, we review recently proposed advanced methods based on various techniques
in order to improve blood glucose control while avoiding an increased risk of hypoglycemia …

Initial titration for people with type 1 diabetes using an artificial pancreas

M Sejersen, D Boiroux, SE Engell, TKS Ritschel… - IFAC-PapersOnLine, 2021 - Elsevier
For people with type 1 diabetes and some with type 2 diabetes, the problem of insulin
titration, ie finding an adequate basal rate of insulin, is a complex and time-consuming task …

Large-scale virtual clinical trials of closed-loop treatments for people with type 1 diabetes

TKS Ritschel, AT Reenberg, JB Jørgensen - IFAC-PapersOnLine, 2022 - Elsevier
We propose a virtual clinical trial for assessing the safety and efficacy of closed-loop
diabetes treatments prior to an actual clinical trial. Such virtual trials enable rapid and risk …

範囲モデル予測型血糖値制御で用いられる入力ペナルティ関数の学習

飯村由信, 若生将史 - 計測自動制御学会論文集, 2024 - jstage.jst.go.jp
抄録 Maintaining appropriate blood glucose levels within an acceptable range is essential
for patients with type 1 diabetes. Zone model predictive control seeks to maintain its output …