Browsing Τμήμα Ηλεκτρολόγων Μηχανικών και Μηχανικών Υπολογιστών / Department of Electrical and Computer Engineering by Submit Date
Now showing items 1-20 of 2853
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Semantically Enhanced Online Configuration of Feedback Control Schemes
(2018)Recent progress toward the realization of the “Internet of Things” has improved the ability of physical and soft/cyber entities to operate effectively within large-scale, heterogeneous systems. It is important that such ...
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Conference Object
Adaptive multi-model monitoring of recurrent mobility patterns
(2019)Multi-model event-triggering is a highly promising technique for efficient monitoring of processes where instead of continuous or even periodic triggering of events, communication and control is only applied after some ...
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Article
Distributed Design of Sensor Fault-Tolerant Control for Preserving Comfortable Indoor Conditions in Buildings⁎⁎This work was supported by the European Research Council under the ERC Advanced Grant ERC-2011-AdG-291508 and by the European Union’s Horizon 2020 research and innovation programme under grant agreement No 739551 (KIOS CoE).
(2018)This paper proposes a distributed fault-tolerant control (FTC) scheme that can preserve thermal comfort conditions in a multi-zone building despite the presences of faulty temperature sensors. The proposed methodology ...
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Centralized Fault Detection of Complex Uncertain Hybrid Systems ⁎⁎This work has been supported by the European Union’s Horizon 2020 research and innovation programme under grant agreement No 739551 (KIOS CoE) and from the Government of the Republic of Cyprus through the Directorate General for European Programmes, Coordination and Development.
(2018)This paper presents a centralized fault detection scheme for hybrid systems with nonlinear uncertain continuous dynamics and measurement noise. The scheme features a modular observer based on a modified hybrid automaton ...
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Conference Object
Reducing Vulnerability to Cyber-Physical Attacks in Water Distribution Networks
(2018)Cyber-Physical Systems (CPS), such as Water Distribution Networks (WDNs), deploy digital devices to monitor and control the behavior of physical processes. These digital devices, however, are susceptible to cyber and ...
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Conference Object
Distributed Sensor Fault Accommodation of Multi-Zone HVAC Systems
(2018)This paper presents a distributed methodology for controlling multi-zone Heating, Ventilation and Air-Conditioning (HVAC) systems and a fault accommodation scheme for reconfiguring the distributed controller in the presence ...
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COMOB: A MATLAB toolbox for sensor placement and contaminant event monitoring in multi-zone buildings
(2019)The monitoring of the indoor air quality against the presence of contaminant sources is of paramount importance since it directly influences the occupants comfort, productivity, health and safety. Various approaches exist ...
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Comparative analysis of parameter extraction techniques for the electrical characterization of multi-junction CPV and m-Si technologies
(2018)Modelling the current-voltage (I-V) characteristics of photovoltaic (PV) modules under real operating conditions is crucial for the better understanding of each technology. The most commonly used model for the electrical ...
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Conference Object
ALCHEMI – A low cost, high efficiency, optoelectronic HCPV module for 1000× operation
(2018)his paper summarizes the current status of the ALCHEMI project, a European collaborative undertaking under the Solar-Era.Net co-fund scheme. The project’s aim is to develop novel, low cost, HCPV modules that operate at ...
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Optimal Estimation via Nonanticipative Rate Distortion Function and Applications to Time-Varying Gauss--Markov Processes
(2018)In this paper, we develop finite-time horizon causal filters for general processes taking values in Polish spaces using the nonanticipative rate distortion function ($NRDF$). Subsequently, we apply the $NRDF$ to design ...
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Conference Object
Control-Coding Capacity of Decision Models Driven by Correlated Noise and Gaussian Application Examples
(2018)We characterize the n -finite time feedback information (FTFI) control-coding capacity of decision models (DMs) driven by correlated noise. Under information stability the per unit limit, called control-coding (CC) capacity ...
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Performance Index for Optimizing Sensor Fault Detection of a Class of Nonlinear Systems
(2018)This paper develops a performance index that can be used to find the optimal design parameters of the observer-based residual generator and adaptive threshold of a fault detection scheme for a class of nonlinear systems. ...
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Effective Prediction of Road Segment Occupancy for the Route-Reservation Architecture
(2018)The effect of traffic congestion within an urban region can be eliminated by curbing the number of vehicles that use the congested part of the transport network. To do so, earlier work by the authors introduced a novel ...
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Conference Object
Online Approximation of Prediction Intervals Using Artificial Neural Networks
(Springer International Publishing, 2018)Prediction intervals offer a means of assessing the uncertainty of artificial neural networks’ point predictions. In this work, we propose a hybrid approach for constructing prediction intervals, combining the Bootstrap ...
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Jointly-optimized Searching and Tracking with Random Finite Sets
(2019)In this paper we investigate the problem of joint searching and tracking of multiple mobile targets by a group of mobile agents. The targets appear and disappear at random times inside a surveillance region and their ...
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Conference Object
Optimization Based Partitioning Selection for Improved Contaminant Detection Performance
(2018)Indoor Air Quality monitoring is an essential ingredient of intelligent buildings. The release of various airborne contaminants into the buildings, compromises the health and safety of occupants. Therefore, early contaminant ...
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Conference Object
Queue-Based Resampling for Online Class Imbalance Learning
(Springer International Publishing, 2018)Online class imbalance learning constitutes a new problem and an emerging research topic that focusses on the challenges of online learning under class imbalance and concept drift. Class imbalance deals with data streams ...
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Conference Object
Effective Multi-region Traffic Control and Demand Management Using an Overlay Route-Reservation Scheme
(2018)In this work, we assume that a heterogeneous urban area is partitioned into multiple homogeneous regions. The proposed approach creates an overlay graph which is used by the reservation architecture to control the traffic ...
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A Data-Driven Bandwidth Allocation Framework With QoS Considerations for EONs
(2019)This paper proposes a data-driven bandwidth allocation (BA) framework for periodically and dynamically reconfiguring an elastic optical network according to predictive BA (PBA) models. The proposed framework is scalable ...