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Filippos Sofos, Christos G. Papakonstantinou, Maria Valasaki and Theodoros E. Karakasidis
Provide the compressive strength of fiber reinforced polymer confined concrete specimens with machine learning tools based on real, experimental measurements.
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Georgios I. Papakonstantinou, Eleftherios Meletis, Konstantinos Petrotos, Polychronis Kostoulas, Nikolaos Tsekouras, Maria C. Kantere, Nikolaos Voulgarakis, Dimitrios Gougoulis, Leonidas Filippopoulos, Georgios Christodoulopoulos, Labrini V. Athanasiou and Vasileios G. Papatsiros
The present study aimed to investigate the effects of a commercial phytogenic feed additive (PFA) on the prevention of post-weaning diarrhea and oxidative stress in piglets. The concentrations of thiobarbituric acid reactive substances (TBARS) and protei...
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Charalampos Papakonstantinou, Ioannis Daramouskas, Vaios Lappas, Vassilis C. Moulianitis and Vassilis Kostopoulos
This paper addresses the problem of singularity avoidance for a 4-Control Moment Gyroscope (CMG) pyramid cluster, as used for the attitude control of a satellite using machine learning (ML) techniques. A data-set, generated using a heuristic algorithm, r...
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Charalampos Papakonstantinou, Georgios Moraitis, Vaios Lappas and Vassilis Kostopoulos
In this paper, a low-cost, miniature spacecraft attitude control simulator is presented for testing miniature actuators such as Nano Control Moment Gyroscopes (CMGs) for simple maneuvers. The experimental setup is composed by an attitude control system (...
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Kallianiotis Anastasios, Papakonstantinou Despina, Giouzelis Nikolas and Kaliampakos Dimitrios
In order to achieve a comprehensive study regarding evacuation efficiency in underground space, globally accepted regulations and standards include, among other parameters, the maximum unimpeded travel speed of occupants in case of emergency evacuation. ...
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Apostolos Papakonstantinou, Marios Batsaris, Spyros Spondylidis and Konstantinos Topouzelis
Marine litter (ML) accumulation in the coastal zone has been recognized as a major problem in our time, as it can dramatically affect the environment, marine ecosystems, and coastal communities. Existing monitoring methods fail to respond to the spatiote...
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Charalampos Papakonstantinou, Vaios Lappas and Vassilis Kostopoulos
This paper addresses the problem of singularity avoidance in a cluster of four Single-Gimbal Control Moment Gyroscopes (SGCMGs) in a pyramid configuration when used for the attitude control of a satellite by introducing a new gimballed control moment gyr...
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Ermioni-Eirini Papadopoulou, Vlasios Kasapakis, Christos Vasilakos, Apostolos Papakonstantinou, Nikolaos Zouros, Athanasia Chroni and Nikolaos Soulakellis
Augmented reality (AR), in conjunction with 3D geovisualization methods, can provide significant support in monitoring geoconservation activities in protected geosites, such as the excavation process in fossil sites. The excavation process requires a mon...
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Nikolaos Soulakellis, Christos Vasilakos, Stamatis Chatzistamatis, Dimitris Kavroudakis, Georgios Tataris, Ermioni-Eirini Papadopoulou, Apostolos Papakonstantinou, Olga Roussou and Themistoklis Kontos
Geoinformatics plays an essential role during the recovery phase of a post-earthquake situation. The aim of this paper is to present the methodology followed and the results obtained by the utilization of Unmanned Aircraft Systems (UASs) 4K-video footage...
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Apostolos Papakonstantinou, Konstantinos Topouzelis and Gerasimos Pavlogeorgatos
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