Impact of COVID-19 on IoT adoption in healthcare, smart homes, smart buildings, smart cities, transportation and industrial IoT

M Umair, MA Cheema, O Cheema, H Li, H Lu - Sensors, 2021 - mdpi.com
COVID-19 has disrupted normal life and has enforced a substantial change in the policies,
priorities and activities of individuals, organisations and governments. These changes are …

Seismic response prediction of structures based on Runge-Kutta recurrent neural network with prior knowledge

T Wang, H Li, M Noori, R Ghiasi, SC Kuok… - Engineering …, 2023 - Elsevier
In the seismic analysis of structural systems, dynamic response prediction is an essential
problem and is significant in every stage during the structural life cycle. Conventionally …

Handling missing data in multivariate time series using a vector autoregressive model-imputation (VAR-IM) algorithm

F Bashir, HL Wei - Neurocomputing, 2018 - Elsevier
Imputing missing data from a multivariate time series dataset remains a challenging
problem. There is an abundance of research on using various techniques to impute missing …

Sampling and sampled-data models: The interface between the continuous world and digital algorithms

GC Goodwin, JC Aguero, MEC Garridos… - IEEE control systems …, 2013 - ieeexplore.ieee.org
Modern signal processing and control algorithms are invariably implemented digitally, yet
most real-world systems evolve in continuous time. Hence, the interaction between sampling …

A two-filter approach for state estimation utilizing quantized output data

AL Cedeño, R Albornoz, R Carvajal, BI Godoy… - Sensors, 2021 - mdpi.com
Filtering and smoothing algorithms are key tools to develop decision-making strategies and
parameter identification techniques in different areas of research, such as economics …

On the uncertainty identification for linear dynamic systems using stochastic embedding approach with gaussian mixture models

R Orellana, R Carvajal, P Escárate, JC Agüero - Sensors, 2021 - mdpi.com
In control and monitoring of manufacturing processes, it is key to understand model
uncertainty in order to achieve the required levels of consistency, quality, and economy …

EM-based identification of continuous-time ARMA models from irregularly sampled data

F Chen, JC Agüero, M Gilson, H Garnier, T Liu - Automatica, 2017 - Elsevier
In this paper we present a novel algorithm for identifying continuous-time autoregressive
moving-average models utilizing irregularly sampled data. The proposed algorithm is based …

Finite Impulse Response Errors-in-Variables System Identification Utilizing Approximated Likelihood and Gaussian Mixture Models

AL Cedeño, R Orellana, R Carvajal, BI Godoy… - IEEE …, 2023 - ieeexplore.ieee.org
In this paper a Maximum likelihood estimation algorithm for Finite Impulse Response Errors-
in-Variables systems is developed. We consider that the noise-free input signal is Gaussian …

On filtering methods for state-space systems having binary output measurements

AL Cedeño, R Albornoz, R Carvajal, BI Godoy… - IFAC-PapersOnLine, 2021 - Elsevier
In this paper we develop two filtering algorithms for state-space systems with binary outputs.
We approximate the conditional probability mass function of the output signal given the state …

A rank-constrained optimization approach: Application to factor analysis

RA Delgado, JC Agüero, GC Goodwin - IFAC Proceedings Volumes, 2014 - Elsevier
In this paper, we present a general method for rank-constrained optimization. We use an
iterative convex optimization procedure where it is possible to include any extra convex …