no code implementations • 7 May 2024 • Rodrigo A. González, Paulina Quintanilla
This study presents a grey-box recursive identification technique to estimate key parameters in a mineral flotation process across two scenarios.
no code implementations • 13 Apr 2024 • Rodrigo A. González, Koen Classens, Cristian R. Rojas, James S. Welsh, Tom Oomen
Block coordinate descent is an optimization technique that is used for estimating multi-input single-output (MISO) continuous-time models, as well as single-input single output (SISO) models in additive form.
no code implementations • 13 Apr 2024 • Rodrigo A. González, Siqi Pan, Cristian R. Rojas, James S. Welsh
In this paper, we address the consistency of the simplified refined instrumental variable method for continuous-time systems (SRIVC) and its closed-loop variant CLSRIVC when they are applied on data that is generated from a feedback loop.
no code implementations • 2 Jan 2024 • Rodrigo A. González, Koen Classens, Cristian R. Rojas, James S. Welsh, Tom Oomen
When identifying electrical, mechanical, or biological systems, parametric continuous-time identification methods can lead to interpretable and parsimonious models when the model structure aligns with the physical properties of the system.
no code implementations • 29 Sep 2023 • Max van Meer, Rodrigo A. González, Gert Witvoet, Tom Oomen
Switched Reluctance Motors (SRMs) enable power-efficient actuation with mechanically simple designs.
no code implementations • 31 May 2023 • Rodrigo A. González, Cristian R. Rojas, Siqi Pan, James S. Welsh
The Refined Instrumental Variable method for discrete-time systems (RIV) and its variant for continuous-time systems (RIVC) are popular methods for the identification of linear systems in open-loop.
no code implementations • 6 Apr 2023 • Rodrigo A. González, Cristian R. Rojas, Siqi Pan, James S. Welsh
The identification of electrical, mechanical, and biological systems using data can benefit greatly from prior knowledge extracted from physical modeling.
no code implementations • 6 Apr 2023 • Rodrigo A. González, Angel L. Cedeño, María Coronel, Juan C. Agüero, Cristian R. Rojas
This paper concerns the identification of continuous-time systems in state-space form that are subject to Lebesgue sampling.
no code implementations • 6 Apr 2023 • Rodrigo A. González, Koen Tiels, Tom Oomen
Control applications are increasingly sampled non-equidistantly in time, including in motion control, networked control, resource-aware control, and event-triggered control.
no code implementations • 10 Mar 2023 • Rodrigo A. González, Koen Tiels, Tom Oomen
Sampling in control applications is increasingly done non-equidistantly in time.
no code implementations • 19 Mar 2021 • Rodrigo A. González, Cristian R. Rojas, Håkan Hjalmarsson
In continuous-time system identification, the intersample behavior of the input signal is known to play a crucial role in the performance of estimation methods.
no code implementations • L4DC 2020 • Rodrigo A. González, Cristian R. Rojas
In this paper, we study non-asymptotic deviation bounds of the least squares estimator in Gaussian AR($n$) processes.