Launching drifter observations in the presence of uncertainty

N Chen, E Lunasin, S Wiggins - Physica D: Nonlinear Phenomena, 2024 - Elsevier
Determining the optimal locations for placing extra observational measurements has
practical significance. However, the exact underlying flow field is never known in practice …

Optimal sensor placement for structural parameter identification

C Chisari, L Macorini, C Amadio… - Structural and …, 2017 - Springer
The identification of model material parameters is often required when assessing existing
structures, in damage analysis and structural health monitoring. A typical procedure …

Comparison of model order reduction methods for optimal sensor placement for thermo-elastic models

P Benner, R Herzog, N Lang, I Riedel… - Engineering …, 2019 - Taylor & Francis
In this article an optimal sensor placement problem for a thermo-elastic solid body model is
considered. Temperature sensors are placed in a near-optimal way so that their …

Real time parameter identification and solution reconstruction from experimental data using the proper generalized decomposition

E Nadal, F Chinesta, P Díez, FJ Fuenmayor… - Computer Methods in …, 2015 - Elsevier
Some industrial processes are modelled by parametric partial differential equations.
Integrating computational modelling and data assimilation into the control process requires …

Optimal sensor placement for joint parameter and state estimation problems in large-scale dynamical systems with applications to thermo-mechanics

R Herzog, I Riedel, D Uciński - Optimization and Engineering, 2018 - Springer
We consider large-scale dynamical systems in which both the initial state and some
parameters are unknown. These unknown quantities must be estimated from partial state …

A sparse control approach to optimal sensor placement in PDE-constrained parameter estimation problems

I Neitzel, K Pieper, B Vexler, D Walter - Numerische Mathematik, 2019 - Springer
We present a systematic approach to the optimal placement of finitely many sensors in order
to infer a finite-dimensional parameter from point evaluations of the solution of an associated …

Characteristic diagram based correction algorithms for the thermo-elastic deformation of machine tools

C Naumann, I Riedel, S Ihlenfeldt, U Priber - Procedia Cirp, 2016 - Elsevier
This paper presents a characteristic diagram based approach to the correction of thermally
induced tool center point displacements of machine tools. The entire process from the …

A temperature sensor clustering method for thermal error modeling of heavy milling machine tools

F Li, T Li, H Wang, Y Jiang - Applied Sciences, 2017 - mdpi.com
A clustering method is an effective way to select the proper temperature sensor location for
thermal error modeling of machine tools. In this paper, a new temperature sensor clustering …

[PDF][PDF] Data assimilation and sensor selection for configurable forward models: Challenges and opportunities for model order reduction methods

N Aretz - 2022 - scholar.archive.org
Abstract Models are fundamental for numerical approximations since they introduce physical
laws to drive the simulations. However, models are imperfect, causing uncertainty in the …

Optimum experimental design by shape optimization of specimens in linear elasticity

T Etling, R Herzog - SIAM Journal on Applied Mathematics, 2018 - SIAM
The identification of Lamé parameters in linear elasticity is considered. An optimum
experimental design problem is formulated, which aims at minimizing the size of an …