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Mostrando ítems 11-20 de 25
Artículo
The role of congestion in probabilistic broadcasting for ubiquitous wireless multi-hop networks through mediation analysis
(Elsevier, 2015-06)
Broadcast schemes play an important role in the performance of mobile ad hoc networks, which are a clear example of ubiquitous wireless multi-hop networks where nodes collaborate in a distributed way. They are widely ...
Artículo
Multilayer optical strip for illumination, imaging and analysis
(TechConnect, 2015-06)
An optical device (multilayer optical strip, MOS) is presented. It is composed of a small-sized, strip-shaped, multilayer, planar structure connected to a control unit. Active and passive optical elements allow for controlling ...
Ponencia
Open-Phase Fault Operation of 5-Phase Induction Motor Drives using DTC Techniques
(Institute of Electrical and Electronics Engineers, 2015)
Direct torque control (DTC) is extensively used in conventional three-phase drives as an alternative to field-oriented control methods. The standard DTC technique was originally designed to regulate two independent ...
Artículo
Predictive optimal switching sequence direct power control for grid connected power converters
(2015)
Grid connected power converters play a key role in several applications such as integration of renewable energy sources and motor drives. For this reason, the development of high performance control strategies for this ...
Artículo
Spacecraft magnetic attitude control using approximating sequence Riccati equations
(Institute of Electrical and Electronics Engineers (IEEE), 2015)
This paper presents the results of a spacecraft attitude control system based on magnetic actuators designed for low Earth orbits. The control system is designed by using a nonlinear control technique based on the approximating ...
Artículo
Customer preferences versus managerial decision-making in open innovation communities: the case of Starbucks
(2015)
Customers can participate in open innovation communities posting innovation ideas, which in turn can receive comments and votes from the rest of the community, highlighting user preferences. However, the final decision ...
Artículo
A quantitative study of the evolution of open source software communities
(World Academy of Science, Engineering and Technology, 2015)
Typically, virtual communities exhibit the well-known phenomenon of participation inequality, which means that only a small percentage of users is responsible of the majority of contributions. However, the sustainability ...
Artículo
A New Fast Peak Current Controller for Transient Voltage Faults for Power Converters
(MDPI, 2015-12-22)
Power converters are the basic unit for the transient voltage fault ride through capability for most renewable distributed generators (DGs). When a transient fault happens, the grid voltage will drop suddenly and probably ...
Artículo
The moderating role of prior experience in technological acceptance models for ubiquitous computing services in urban environments
(2015)
Ubiquitous computing services constitute a new information technology that can be used in thousands of potential applications and environments. Ubiquitous computing is also changing the classic paradigm of information ...
Artículo
A methodology for structured ontology construction applied to intelligent transportation systems
(Elsevier, 2015-10)
The number of computers installed in urban and transport networks has grown tremendously in recent years, also the local processing capabilities and digital networking currently available. However, the heterogeneity of ...