Browsing 007 Πολυτεχνική Σχολή / Faculty of Engineering by Submit Date
Now showing items 1-20 of 5273
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Book
Direct and large-eddy simulation X
(Springer, 2018)
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Conference Object Open Access
Development of an innovative compact hybrid electrical-thermal storage system for historic building integrated applications in the Mediterranean climate
(2019-04)Currently in the EU, there are limited examples of operationally integrated solutions capable of achieving optimal interaction of energy networks, combining both electricity and heat-cooling energy supply and storage. There ...
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Article
The nanostructure, wear and corrosion performance of arc-evaporated CrBxNy nanocomposite coatings
(2009)The composition, nanostructure, tribological and corrosion behaviour of reactive arc evaporated CrBxNy coatings have been studied and compared to CrN. The CrBxNy coatings were deposited on a commercial Oerlikon Balzers RCS ...
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Article
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
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Article
Nanostructure, mechanical and tribological properties of reactive magnetron sputtered TiCx coatings
(2008)This study describes the correlation between microstructure, mechanical and tribological properties of TiCx coatings (with x being in the range of 0–1.4), deposited by reactive magnetron sputtering from a Ti target in ...
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Article
Deposition and nanotribological characterization of Sub-100-nm thick protective Ti-based coatings for miniature applications
(2011)Ti-based protective thin films with thicknesses below 100 nm, intended for miniature applications were deposited using physical vapor deposition magnetron sputtering. X-ray diffraction (XRD), scanning electron microscopy, ...
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Article
Tribological properties of twin electron-beam evaporated Cr-N and Al-Cr-N coatings under laboratory sliding and drill experiments
(2008)The tribological behavior of substoichiometric Cr-N and Al-Cr-N coatings prepared by twin electron-beam evaporation at 450°C was studied. Al-Cr-N coatings with Al to Cr ratios in the range of 1-8 (and nitrogen concentrations ...
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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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Article
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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Article
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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Article
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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Article
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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Article
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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Article
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 ...