Search Results for author: Simon Muntwiler

Found 8 papers, 1 papers with code

MHE under parametric uncertainty -- Robust state estimation without informative data

no code implementations21 Dec 2023 Simon Muntwiler, Johannes Köhler, Melanie N. Zeilinger

In this paper, we study state estimation for general nonlinear systems with unknown parameters and persistent process and measurement noise.

Friction

Nonlinear Functional Estimation: Functional Detectability and Full Information Estimation

no code implementations21 Dec 2023 Simon Muntwiler, Johannes Köhler, Melanie N. Zeilinger

Together, we present a unified framework to study functional estimation with a detectability condition, which is necessary and sufficient for the existence of a stable functional estimator, and a corresponding functional estimator design.

A Stiffness-Oriented Model Order Reduction Method for Low-Inertia Power Systems

no code implementations16 Oct 2023 Simon Muntwiler, Ognjen Stanojev, Andrea Zanelli, Gabriela Hug, Melanie N. Zeilinger

The fast modes are then truncated in the rotated coordinate system to obtain a lower-order model with reduced stiffness.

LQG for Constrained Linear Systems: Indirect Feedback Stochastic MPC with Kalman Filtering

no code implementations1 Dec 2022 Simon Muntwiler, Kim P. Wabersich, Robert Miklos, Melanie N. Zeilinger

We present an output feedback stochastic model predictive control (SMPC) approach for linear systems subject to Gaussian disturbances and measurement noise and probabilistic constraints on system states and inputs.

Model Predictive Control

A Lyapunov function for robust stability of moving horizon estimation

no code implementations25 Feb 2022 Julian D. Schiller, Simon Muntwiler, Johannes Köhler, Melanie N. Zeilinger, Matthias A. Müller

We provide a novel robust stability analysis for moving horizon estimation (MHE) using a Lyapunov function.

Learning-based Moving Horizon Estimation through Differentiable Convex Optimization Layers

1 code implementation8 Sep 2021 Simon Muntwiler, Kim P. Wabersich, Melanie N. Zeilinger

In a numerical example of estimating temperatures of a group of manufacturing machines, we show the performance of tuning the unknown system parameters and the benefits of integrating physical state constraints in the MHE formulation.

Data-Driven Distributed Stochastic Model Predictive Control with Closed-Loop Chance Constraint Satisfaction

no code implementations6 Apr 2020 Simon Muntwiler, Kim P. Wabersich, Lukas Hewing, Melanie N. Zeilinger

Distributed model predictive control methods for uncertain systems often suffer from considerable conservatism and can tolerate only small uncertainties due to the use of robust formulations that are amenable to distributed design and optimization methods.

Model Predictive Control

Distributed Model Predictive Safety Certification for Learning-based Control

no code implementations5 Nov 2019 Simon Muntwiler, Kim P. Wabersich, Andrea Carron, Melanie N. Zeilinger

While distributed algorithms provide advantages for the control of complex large-scale systems by requiring a lower local computational load and less local memory, it is a challenging task to design high-performance distributed control policies.

Model Predictive Control

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